Journal articleInt J Parasitol · February 2026
Small wildlife species host flea and tick species that can also infest or transmit pathogens to domestic animals and humans, including Anaplasma, Babesia, Bartonella, Borrelia, Ehrlichia, and Rickettsia species. Despite their zoonotic potential, little is ...
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Journal articlePathogens · December 19, 2025
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a medical condition characterized by extreme fatigue lasting at least 6 months. Based upon case reports, patients infected with Babesia or Bartonella spp. have reported a history of chronic fat ...
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Journal articleJ Clin Microbiol · December 17, 2025
Bartonella species, emerging vector-borne pathogens of dogs, are increasingly associated with severe, chronic sequelae, as well as potentially life-threatening diseases, such as endocarditis and myocarditis. Diagnosis of bartonelloses is mainly based on PC ...
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Journal articleVeterinary Record Case Reports · December 1, 2025
Fever, non-regenerative anaemia and leukopenia were documented in a 7-year-old, entire, male Akita Inu dog. The serum biochemistry and urinalysis were unremarkable. Tests for infectious agents were negative, except for SNAP 4Dx seropositive for Anaplasma p ...
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Journal articleEmerg Infect Dis · November 2025
In 2020, a novel spotted fever group Rickettsia was described in 3 clinically ill dogs in the United States. Using naturally infected canine blood, the novel Rickettsia sp. was isolated in epithelial (Vero E6) and mononuclear (DH82 and 030D) cell lines. Th ...
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Journal articleMicrobiol Spectr · October 7, 2025
Bartonella pose a significant health risk to military working dogs (MWDs), and these zoonotic organisms may also cause disease in humans. According to the U.S. Army zoonotic disease surveillance program, there was a 47.4% seroprevalence for Bartonella spp. ...
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Journal articleAnimals (Basel) · July 11, 2025
The domestic cat is the primary reservoir host of three flea-borne Bartonella species, one of which (Bartonella henselae) causes reduced fertility and reproductive failure in experimentally infected cats. Vertical transmission of Bartonella has been docume ...
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Journal articlePathogens · June 6, 2025
Piroplasmids (Babesia spp., Rangelia spp., Theileria spp., Cytauxzoon spp.) are tick-borne apicomplexan protozoa that infect, depending on the species, erythrocytes and leucocytes in a wide variety of mammals and birds. The genera Bartonella and Borrelia i ...
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Journal articlePathogens · April 26, 2025
Bartonella henselae is an important zoonotic pathogen with a wide range of clinical manifestations in humans. Despite advances in understanding its pathogenesis, there is no broadly applicable laboratory animal model for bartonellosis. This study aimed to ...
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Journal articleJ Vet Diagn Invest · March 2025
A 13-y-old, spayed female dog had regenerative anemia, lymphopenia, hypoalbuminemia, and elevated hepatic biochemical parameters. Liver biopsy revealed hepatic peliosis (hepatic sinusoidal angiectasis), frequently associated with perisinusoidal fibrosis. T ...
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Journal articlePathogens · February 4, 2025
Domestic and wild felids are frequently parasitized by apicomplexan protozoa in the genus Cytauxzoon. Expanding species diversity has recently been described within this genus, with potential implications for epidemiology and pathogenesis. In light of thes ...
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Journal articleCommun Biol · January 29, 2025
The Bartonella genus of bacteria encompasses ubiquitous species, some of which are pathogenic in humans and animals. Bartonella henselae, the causative agent of Cat Scratch disease, is responsible for a large portion of human Bartonella infections. These b ...
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Journal articlePathogens · January 23, 2025
This study reinforces the value of a One Health approach to infectious disease outbreak investigations. After the onset of neuropsychiatric symptoms in their son, our investigation focused on a family composed of a mother, father, two daughters, the son, t ...
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Journal articleMethods Mol Biol · 2025
In recent years, discovery proteomics has emerged as a pivotal tool in biological research, especially when studying the intricate relationships among multiple organisms. To delve deeper into these interactions, we pioneered a bottom-up proteomics workflow ...
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Journal articleJ Cent Nerv Syst Dis · 2025
BACKGROUND: In conjunction with more sensitive culture and molecular diagnostic testing modalities, simultaneous or sequential infection with more than 1 vector borne zoonotic pathogen is being increasingly documented in human patients. On a frequent basis ...
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Journal articlePLoS One · 2025
INTRODUCTION: The potential role of pathogens, particularly vector-transmitted infectious agents, as a cofactor or cause of neoplasia has not been intensively investigated. We previously reported a potential link between Bartonella spp. bacteremia and sple ...
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Journal articleTransbound Emerg Dis · 2025
In mammals, detection of Wolbachia bacteria can be used to diagnose filarial infection, while antibiotic treatment to eliminate Wolbachia can assist in eliminating filarial infections. Because Wolbachia are necessary for survival of several filarioids and ...
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Journal articlePathogens · December 11, 2024
More than one-hundred Babesia species that affect animals and humans have been described, eight of which have been associated with emerging and underdiagnosed zoonoses. Most diagnostic studies in humans have used serology or molecular assays based on the 1 ...
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Journal articleJ Vet Cardiol · December 2024
INTRODUCTION/OBJECTIVES: Risk factors for severe disease in boxer dogs with arrhythmogenic right ventricular cardiomyopathy (ARVC) are not well understood. This study's objective was to determine whether Striatin genotype or canine vector-borne pathogen (C ...
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Journal articleVector Borne Zoonotic Dis · November 2024
Background: Lyme disease, caused by infection with Borrelia burgdorferi, is the most common vector-borne disease in the United States. The standard two-tier testing (STTT) algorithm suffers from low sensitivity, misinterpretation, and long turnaround time, ...
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Journal articleParasit Vectors · October 5, 2024
BACKGROUND: Bartonella species are fastidious, intracellular bacteria responsible for an expanding array of human pathologies. Most are considered to be transmitted by direct inoculation with infected bodily fluids from a mammalian reservoir species or vec ...
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Journal articleEmerg Infect Dis · October 2024
Bartonella spp. are opportunistic, vectorborne bacteria that can cause disease in both animals and humans. We investigated the molecular occurrence of Bartonella spp. in 634 phlebotomine sand fly specimens, belonging to 44 different sand fly species, sampl ...
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Journal articleSci Rep · August 12, 2024
This study aimed to determine the sequence type (ST) of Bartonella henselae infecting small Indian mongooses from Saint Kitts via multi-locus sequence typing (MLST). This investigation used stored EDTA blood (n = 22) samples from mongooses previously ident ...
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Journal articleParasit Vectors · July 11, 2024
BACKGROUND: In recent years, Babesia and Bartonella species co-infections in patients with chronic, nonspecific illnesses have continued to challenge and change the collective medical understanding of "individual pathogen" vector-borne infectious disease d ...
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Journal articleParasit Vectors · May 9, 2024
BACKGROUND: Feline-associated hemotropic Mycoplasma (hemoplasmas) are believed to be transmitted by two primary mechanisms: (1) direct transmission via fighting and (2) vector-borne transmission by the cat flea (Ctenocephalides felis). While the efficiency ...
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Journal articleComp Immunol Microbiol Infect Dis · May 2024
There is currently sparse information on the possible effect of long-term storage of serum specimens for the retrospective serodiagnosis of canine monocytic ehrlichiosis (CME). The aim of this study was to assess the agreement between the original serologi ...
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Journal articleMicrobiol Spectr · April 2, 2024
UNLABELLED: Vector-borne infections may underlie some rheumatic diseases, particularly in people with joint effusions. This study aimed to compare serum and synovial fluid antibodies to B. burgdorferi and Bartonella spp. in patients with rheumatic diseases ...
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Journal articleTrends Parasitol · April 2024
Ctenocephalides felis, the cat flea, is among the most prevalent and widely dispersed vectors worldwide. Unfortunately, research on C. felis and associated pathogens (Bartonella and Rickettsia spp.) lags behind that of other vectors and vector-borne pathog ...
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Journal articleJ Vet Cardiol · February 2024
An 11-year-old spayed female domestic shorthaired cat was diagnosed with severe dilated cardiomyopathy (DCM) and congestive heart failure. The cat had been eating cat foods that were high in pulses (e.g. peas, lentils, chickpeas). Neither plasma nor whole ...
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Journal articlePLoS One · 2024
Bartonellosis refers to disease caused by the Bartonella genus of bacteria. The breadth of disease manifestations associated with Bartonella is currently expanding and includes regional lymphadenopathy, rheumatic, ocular, and neurological disorders. The de ...
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Journal articleFront Psychiatry · 2024
INTRODUCTION: The potential role of pathogens, particularly vector-transmitted infectious agents, as a cause of psychosis has not been intensively investigated. We have reported a potential link between Bartonella spp. bacteremia and neuropsychiatric sympt ...
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Journal articlePLoS One · 2024
Mild Cognitive Impairment (MCI) is a neurological disorder at the transition between normal cognitive decline and dementia. Despite the potential role of neuroinflammation in the pathogenesis of MCI, infectious triggers remain mostly unknown. Infection wit ...
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Journal articleAlzheimers Dement · November 2023
Microbial infections of the brain can lead to dementia, and for many decades microbial infections have been implicated in Alzheimer's disease (AD) pathology. However, a causal role for infection in AD remains contentious, and the lack of standardized detec ...
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Journal articlePathogens · July 18, 2023
Pathogen environmental stability is an often-neglected research priority for pathogens that are known to be vector-transmitted. Bartonella henselae, the etiologic agent of Cat Scratch Disease, has become a "pathogen of interest" in several serious human il ...
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Journal articleJ Vet Diagn Invest · July 2023
A validated second-generation SNAP 4Dx Plus (Idexx) incorporates new peptides for improved detection of antibodies against Anaplasma and Ehrlichia tick-borne pathogens in dogs. We compared the first- and second-generation SNAP 4Dx Plus using dogs naturally ...
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Journal articleVector Borne Zoonotic Dis · July 2023
Background: Exposure to zoonotic diseases is a significant occupational risk in veterinary medicine. In this study, we characterized personal protective equipment use, injury frequency, and Bartonella seroreactivity in Washington State veterinary workers. ...
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Journal articleMicrobiol Spectr · June 15, 2023
Bacteria of the genus Bartonella, a member of the Alphaproteobacteria, are fastidious, Gram-negative, aerobic bacilli that comprise numerous species, subspecies, and genotypes. Bartonella henselae, with a worldwide distribution, infects cats, dogs, horses, ...
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Journal articlePathogens · February 22, 2023
The effect of Bartonella henselae on the microbiome of its vector, Ctenocephalides felis (the cat flea) is largely unknown, as the majority of C. felis microbiome studies have utilized wild-caught pooled fleas. We surveyed the microbiome of laboratory-orig ...
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Journal articleRapid Commun Mass Spectrom · February 2023
RATIONALE: Discovery proteomics has been popularized to be essential in the investigator's biological toolbox. Many biological problems involve the interplay of multiple organisms. Herein, a bottom-up proteomics workflow was developed to study a system con ...
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Journal articleFront Microbiol · 2023
Surveillance of the fleas and flea-borne pathogens infecting cats is important for both human and animal health. Multiple zoonotic Bartonella and Rickettsia species are known to infect the most common flea infesting cats and dogs worldwide: Ctenocephalides ...
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Journal articleFront Psychiatry · 2023
Poly-microbial vector-borne infections may have contributed to neuropsychiatric symptoms in a boy diagnosed with autism spectrum disorder. Targeted antimicrobial treatment resulted in substantial improvement in cognitive (such as learning disabilities, foc ...
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Journal articleJFMS Open Rep · 2023
CASE SUMMARY: A 10-year-old domestic shorthair cat presented for lethargy, anorexia and labored breathing. Significant pleural and pericardial effusions prompted thoracocentesis and pericardiocentesis. Cytologic evaluation of the pericardial effusion revea ...
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Journal articleAm J Ophthalmol Case Rep · December 2022
PURPOSE: Cat scratch disease (CSD) frequently has ophthalmologic manifestations. The ophthalmologist's approach to treating neuroretinitis is familiar, but few eye care providers are comfortable answering the next question of "what do I do with my cat?" Pu ...
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Journal articleParasit Vectors · November 8, 2022
Large populations of unowned cats constitute an animal welfare, ecological, societal and public health issue worldwide. Their relocation and homing are currently carried out in many parts of the world with the intention of relieving suffering and social pr ...
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Journal articleParasit Vectors · October 31, 2022
BACKGROUND: Ctenocephalides felis, the cat flea, is the most common ectoparasite of cats and dogs worldwide. As a cause of flea allergy dermatitis and a vector for two genera of zoonotic pathogens (Bartonella and Rickettsia spp.), the effect of the C. feli ...
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Journal articleInfect Immun · October 20, 2022
Lyme disease (LD) is a tick-transmitted bacterial infection caused by Borreliella burgdorferi and other closely related species collectively referred to as the LD spirochetes. The LD spirochetes encode an uncharacterized family of proteins originally desig ...
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Journal articleVet Parasitol Reg Stud Reports · October 2022
In 2020, Rickettsia typhi was diagnosed in a dog from Houston, Texas, USA based upon R. typhi IFA seroreactivity in both acute and convalescent sera, and PCR with DNA sequencing of 4 different gene regions, all of which were 100% identical to R. typhi. The ...
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Journal articleJ Vet Intern Med · July 2022
BACKGROUND: Reference intervals for platelets and white blood cell (WBCs) counts are lower in greyhounds than other breeds. Proteinuria is common. Vector-borne diseases (VBD) cause thrombocytopenia, leukopenia, and proteinuria. Racing greyhounds are common ...
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Journal articlePathogens · January 28, 2022
Bartonella spp. comprise a genus of Gram-negative alphaproteobacteria that are slow growing, fastidious, and facultative intracellular pathogens with zoonotic potential. Immunofluorescent antibody assays (IFAs), Western blot (WB), and enzyme-linked immunos ...
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Journal articleParasit Vectors · January 4, 2022
BACKGROUND: There is limited clinical or epidemiological knowledge regarding Bartonella infection in cats, and no serological studies have compared the presence of antibodies against different Bartonella species. Moreover, there are limited feline Bartonel ...
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Journal articleJ Vet Intern Med · January 2022
BACKGROUND: Improved understanding of Bartonella spp. serology in dogs may aid clinical decision making. OBJECTIVE: Describe demographic and geographic patterns of Bartonella spp. seroreactivity in dogs, and describe hematologic and serum biochemical abnor ...
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Journal articleFront Cell Infect Microbiol · 2022
Among the Ctenocephalides felis felis-borne pathogens, Bartonella henselae, the main aetiological agent of cat scratch disease (CSD), is of increasing comparative biomedical importance. Despite the importance of B. henselae as an emergent pathogen, prevent ...
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Journal articleJFMS Open Rep · 2022
CASE SUMMARY: A 1-year-old male intact domestic shorthair cat was evaluated for acute onset non-weightbearing left forelimb lameness and generalized peripheral lymphadenopathy. CT identified a monostotic aggressive bone lesion with an incomplete fracture o ...
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Journal articleTop Companion Anim Med · 2022
Veterinarians often test for serologic evidence of vector-borne infections in sick dogs presenting with clinical signs or to screen for subclinical chronic infections. Additional peptide targets for the detection of antibodies to Anaplasma phagocytophilum, ...
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Journal articlePathogens · November 11, 2021
We describe the development, optimization, and validation of a multiplex droplet digital PCR (ddPCR) assay for the simultaneous detection of Babesia, Bartonella, and Borrelia spp. DNA from several sample matrices, including clinical blood samples from anim ...
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Journal articlePathogens · September 21, 2021
Reservoir to multiple species of zoonotic pathogens, free-roaming cats (FRCs) interact with domestic and wild animals, vectors, and humans. To assess the potential for feline vector-borne pathogens to be vertically transmitted, this study surveyed ear tip ...
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Journal articlePathogens · June 23, 2021
Currently, a gold standard diagnostic test for Bartonella infection in dogs is lacking. This represents a critical limitation for the development and evaluation of new diagnostic tests, as well as for the diagnosis of, and research on, bartonellosis in dog ...
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Journal articleParasitol Res · June 2021
Acanthocheilonema reconditum is a filarial parasite transmitted by arthropods (fleas, lice, and ticks) that infect dogs. There is minimal published data available to date on potential haematological and biochemical changes associated with this parasitic in ...
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Journal articleVector Borne Zoonotic Dis · June 2021
Recently, infections with emerging zoonotic bacteria of the genus Bartonella have been reported in association with a range of central nervous system (CNS) symptoms. Currently, it remains unknown if Bartonella spp. infection is associated with symptoms of ...
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Journal articlePathogens · March 17, 2021
Cat-associated Bartonella species, which include B. henselae, B. koehlerae, and B. clarridgeiae, can cause mild to severe illness in humans. In the present study, we evaluated 1362 serum samples obtained from domestic cats across the U.S. for seroreactivit ...
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Journal articlePathogens · March 11, 2021
Cats are the primary reservoir host for Bartonella henselae(B. henselae), an etiological agent of human bartonellosis, including cat scratch disease. Although Bartonella DNA has been amplified from salivary swabs from cats, dogs and humans, we are not awar ...
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Journal articlePathogens · March 10, 2021
Bartonella bacilliformis (B. bacilliformis), Bartonella henselae (B. henselae), and Bartonella quintana (B. quintana) are bacteria known to cause verruga peruana or bacillary angiomatosis, vascular endothelial growth factor (VEGF)-dependent cutaneous lesio ...
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Journal articleJ Vet Intern Med · March 2021
BACKGROUND: Leishmania infantum infections are reported in foxhounds throughout the United States (US) and Canada, but only rarely in other dog breeds. A seroprevalence report from 2006 documented leishmaniosis in foxhounds (8.9%) tested in the US between ...
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Journal articleAm J Vet Res · January 2021
OBJECTIVE: To compare the performance of 5 synthetic peptide-based ELISAs with that of 3 commercially available immunofluorescent assays (IFAs) for serologic diagnosis of anaplasmosis and ehrlichiosis in dogs. SAMPLE: A convenience set of 109 serum samples ...
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Journal articleFront Med (Lausanne) · 2021
Lyme disease (also known as Lyme borreliosis) is the most common vector-borne disease in the United States with an estimated 476,000 cases per year. While historically, the long-term impact of Lyme disease on patients has been controversial, mounting evide ...
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Journal articlePathogens · December 4, 2020
Bartonella species are globally important emerging pathogens that were not known to infect animals or humans in North America prior to the human immunodeficiency virus (HIV) epidemic. Ongoing improvements in diagnostic testing modalities have allowed for t ...
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Journal articleEmerg Infect Dis · December 2020
In 2018 and 2019, spotted fever was suspected in 3 dogs in 3 US states. The dogs had fever and hematological abnormalities; blood samples were Rickettsia seroreactive. Identical Rickettsia DNA sequences were amplified from the samples. Multilocus phylogene ...
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Journal articleVet Microbiol · December 2020
Mycoplasma haemocanis (Mhc) and "Candidatus Mycoplasma haematoparvum" (CMhp) are the main haemoplasma species known to infect dogs. The aim of this study was to determine the prevalence of haemoplasma species infections in hunting dogs from southern Italy ...
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Journal articleParasit Vectors · November 10, 2020
The Companion Vector-Borne Diseases (CVBD) World Forum is a working group of leading international experts who meet annually to evaluate current scientific findings and future trends concerning the distribution, pathogenesis, clinical presentation, diagnos ...
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Journal articleJ Microbiol Methods · September 2020
This report describes the development, optimization, and validation of a ddPCR assay for the detection of Bartonella spp. DNA within several sample matrices, including clinical blood samples from patients with or without documented Bartonella spp. bacterem ...
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Journal articleParasitol Res · September 2020
Hepatozoon canis is a hemoprotozoan organism that infects domestic and wild carnivores throughout much of Europe. The parasite is mainly transmitted through the ingestion of infected ticks containing mature oocysts. The aims of the present survey were to d ...
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Journal articleClin Case Rep · August 2020
We demonstrate Bartonella spp are abundant in skin lesions resembling striae distensae. These striae distensae-like lesions, coincidental with sudden onset of neuropsychiatric symptoms, indicate testing for suspected Bartonella spp. infection. ...
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Journal articleJ Vet Intern Med · July 2020
BACKGROUND: Bartonella spp. comprise a genus of bacteria that frequently cause persistent, often subclinical infection. Although many Bartonella spp. have been implicated in a variety of clinical presentations, Bartonella rochalimae has yet to be documente ...
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Journal articlePathogens · March 4, 2020
Bartonella spp. are increasingly implicated in association with a spectrum of zoonotic infectious diseases. One hundred sanitary workers in La Rioja, Spain completed a questionnaire and provided blood specimens for Bartonella spp. serology and Bartonella a ...
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Journal articleJ Vet Intern Med · March 2020
BACKGROUND: Proteinuria is a risk factor for progressive kidney injury in dogs. Enhanced understanding of potential associations between canine vector-borne diseases (CVBD) and proteinuria is needed. OBJECTIVES: To determine the proportion of evaluated pro ...
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Journal articleJournal of clinical microbiology · March 2020
Bartonella spp. are etiological agents of life-threatening zoonotic diseases in dogs worldwide. Due to the poor sensitivity of immunofluorescent-antibody assays (IFAs), a reliable serodiagnostic test for canine bartonelloses is of clinical importanc ...
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Journal articleJ Vet Intern Med · January 2020
BACKGROUND: Dynamics of infection by Bartonella and Rickettsia species, which are epidemiologically associated in dogs, have not been explored in a controlled setting. OBJECTIVES: Describe an outbreak investigation of occult Bartonella spp. infection among ...
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Journal articlePLoS One · 2020
Hemangiosarcoma (HSA), a locally invasive and highly metastatic endothelial cell neoplasm, accounts for two-thirds of all cardiac and splenic neoplasms in dogs. Bartonella spp. infection has been reported in association with neoplastic and non-neoplastic v ...
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Journal articleFront Cell Infect Microbiol · 2020
Ehrlichia chaffeensis is an obligate intracellular bacterium that invades monocytes to cause the emerging and potentially severe disease, monocytic ehrlichiosis. Ehrlichial invasion of host cells, a process that is essential for the bacterium's survival an ...
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Journal articleActa Trop · December 2019
Certain vector-borne organisms serve as etiological agents of equine disease. After previously identifying a new Ehrlichia species in horses from Mérida, we aimed to determine the infection frequency and screen for a wide range of vector-borne organisms fr ...
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Journal articleEmerg Infect Dis · December 2019
Dogs are the main reservoir of Leishmania infantum and in some countries have been regularly culled as part of government policy to control visceral leishmaniasis. At the 13th Symposium of the Companion Vector-Borne Diseases World Forum in Windsor, UK, Mar ...
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Journal articleJ Vet Intern Med · September 2019
BACKGROUND: Babesiosis is an important cause of thrombocytopenia and hemolytic anemia in dogs. Babesia vulpes, reported in European dogs and North American foxes, rarely has been reported in domestic North American dogs. Newly optimized polymerase chain re ...
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Journal articleVector Borne Zoonotic Dis · August 2019
Bartonella henselae is a zoonotic vector-borne pathogen affecting both humans and dogs. Little is known about the epidemiology of B. henselae in dogs, including risk factors associated with exposure. The objectives of this study were to map the current dis ...
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Journal articleJ Vet Intern Med · July 2019
A 2-year-old female intact pregnant Beagle was evaluated after the owner surrendered her to a shelter. Prepartum and 2 months postpartum at the time of routine spay, the dam was whole-blood polymerase chain reaction (PCR) positive for Ehrlichia ewingii. Sh ...
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Journal articleVaccine · April 17, 2019
As Ixodes ticks spread to new regions, the incidence of Lyme disease (LD) in companion animals and humans will increase. Preventive strategies for LD in canines center on vaccination and tick control (acaricides). Both subunit and bacterin based LD veterin ...
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Journal articleVet J · April 2019
Canine monocytic ehrlichiosis (CME), caused by Ehrlichia canis, a gram-negative, obligate intracellular bacterium, is a tick-borne disease of worldwide distribution. Experimentally, the course of E. canis infection can be sequentially divided into acute, s ...
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Journal articleJ Vet Intern Med · March 2019
BACKGROUND: Ehrlichia ewingii is the most seroprevalent Ehrlichia-infecting dogs in the southern and mid-western United States. Fever, lameness, and polyarthritis are commonly reported findings in dogs naturally infected with E. ewingii. OBJECTIVES: To eva ...
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Journal articleMed Microbiol Immunol · February 2019
The genus Bartonella consists of globally distributed and highly diverse alpha-proteobacteria that infect a wide-range of mammals. Medically, Bartonella spp. constitute emerging, vector-borne, zoonotic, intravascular organisms that induce long-lasting bact ...
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Journal articleTicks Tick Borne Dis · February 2019
The objective of this work was to determine the prevalence of Borrelia and Bartonella species in Ixodes spp. ticks collected from 16 USA states. Genus PCR amplification and sequence analysis of Bartonella and Borrelia 16SsRNA-23SsRNA intergenic regions wer ...
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Journal articleVet Microbiol · February 2019
Infective endocarditis, an infrequent clinical syndrome in dogs, is typically associated with nondescript clinical signs such as fever, malaise and loss of appetite. Although an uncommonly reported infection in dogs, Pasteurella canis is an emerging pathog ...
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Journal articleJ Cent Nerv Syst Dis · 2019
BACKGROUND: With the advent of more sensitive culture and molecular diagnostic testing modalities, Bartonella spp. infections have been documented in blood and/or cerebrospinal fluid specimens from patients with diverse neurological symptoms. Pediatric acu ...
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Journal articleAnkara Universitesi Veteriner Fakultesi Dergisi · January 1, 2019
A case of pyogranulomatous myocarditis and diaphragmatic myositis caused by Bartonella henselae in an 18 months old tricolor female cat in Turkey was reported in this study. The cat had flea infestation before clinical disease onset. The cat showed clinica ...
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Journal articleParasit Vectors · December 4, 2018
Bartonellosis is a vector-borne zoonotic disease with worldwide distribution that can infect humans and a large number of mammals including small companion animals (cats and dogs). In recent years, an increasing number of studies from around the world have ...
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Journal articleVet Dermatol · December 2018
BACKGROUND: Bartonella henselae, a Gram-negative, zoonotic, alpha-proteobacteria has been previously implicated in association with cutaneous vasoproliferative lesions (bacillary angiomatosis), nodular panniculitis and multifocal erythema (erythema multifo ...
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Journal articleVet Parasitol Reg Stud Reports · December 2018
Data concerning combined molecular and serological prevalence of emerging canine tick-borne pathogens in Serbia are lacking. A large population of outdoor living dogs in Belgrade, Serbia's' capital, present an excellent population for epidemiology study. B ...
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Journal articleTop Companion Anim Med · December 2018
Vector-borne agents comprise medically important infections affecting dogs throughout much of the world. Sensitive detection of antibodies directed at tick-borne disease-causing organisms in dogs is diagnostically important for veterinarians, pets and thei ...
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Journal articleJ Vet Intern Med · November 2018
BACKGROUND: Babesiosis caused by Babesia gibsoni is recognized throughout the world and can be difficult to treat. Resistance to atovaquone is associated with mutations in the B. gibsoni mitochondrial genome, specifically the M128 position of cytochrome b ...
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Journal articleJ Vet Intern Med · November 2018
BACKGROUND: Because of poor sensitivity and questionable specificity of immunofluorescent antibody assays (IFAs), serological diagnosis of Bartonella species infections in dogs remains challenging. Despite limitations, IFA testing is the historical "gold s ...
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Journal articleTicks Tick Borne Dis · September 2018
Canine babesiosis is caused by haemoprotozoan organisms of the genus Babesia which are transmitted by the bite of a hard tick. The aim of this survey was to determine the prevalence and risk factors associated with Babesia species infections in hunting dog ...
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Journal articleJ Comp Pathol · July 2018
Endomyocarditis is a commonly detected post-mortem finding in domestic cats presenting for sudden onset cardiovascular death, yet the aetiology remains unresolved. Cats are documented reservoir hosts for Bartonella henselae, the infectious cause of cat scr ...
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Journal articleJ Clin Microbiol · May 2018
Bartonella spp. are bacteria of worldwide distribution that cause asymptomatic to fatal infections in animals and humans. The most common zoonotic species is Bartonella henselae, for which cats are the major natural reservoir host. To better understand Bar ...
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Journal articleJ Small Anim Pract · May 2018
OBJECTIVES: To evaluate doxycycline treatment efficacy and post-treatment pathogen persistence in dogs naturally infected with Anaplasma phagocytophilum in endemic regions of the USA. MATERIALS AND METHODS: Symptomatic dogs in four US states (MN, WI, CT an ...
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Journal articleJ Wildl Dis · April 2018
Mycoplasma spp. are known from several chelonian and other reptilian species. We determined if turtles obtained by the Turtle Rescue Team at North Carolina State University are carriers of hemotropic Mycoplasma or Bartonella spp. Spleen samples were collec ...
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Journal articleMedicine (Baltimore) · April 2018
INTRODUCTION: Systemic Bartonella spp. infections are being increasingly reported in association with complex medical presentations. Individuals with frequent arthropod exposures or animal contact appear to be at risk for acquiring long standing infections ...
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Journal articleJ Vet Diagn Invest · March 2018
Canine anaplasmosis is a tick-borne disease of dogs that results following infection with Anaplasma phagocytophilum or Anaplasma platys. The SNAP 4Dx Plus test (IDEXX Laboratories) and the VetScan Canine Anaplasma Rapid test (Abaxis) are commercial in-hous ...
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Journal articleVet Clin Pathol · March 2018
Ineffective erythropoiesis was diagnosed in an 8-year-old male castrated Labrador Retriever. Despite treatment with immunosuppressive therapy for suspected immune-mediated erythrocyte maturation arrest, resolution of the nonregenerative anemia was not achi ...
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Journal articleTicks Tick Borne Dis · March 2018
The discovery and characterization of emerging tick-borne organisms are critical for global health initiatives to improve animal and human welfare (One Health). It is possible that unknown tick-borne organisms underlie a subset of undiagnosed illness in wi ...
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Journal articleVet Microbiol · March 2018
Many mammals are established hosts for the vector borne bacterial genus, Bartonella. Small Indian mongooses (Herpestes auropunctatus) have only been reported as a possible host for Bartonella henselae in southern Japan. Confirming Bartonella presence in mo ...
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Journal articleJ Vet Intern Med · January 2018
BACKGROUND: Improved understanding of Bartonella species seroepidemiology in dogs may aid clinical decision making and enhance current understanding of naturally occurring arthropod vector transmission of this pathogen. OBJECTIVES: To identify demographic ...
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Journal articleParasit Vectors · November 7, 2017
BACKGROUND: The genus Bartonella includes fastidious, facultative intracellular bacteria mainly transmitted by arthropods and distributed among mammalian reservoirs. Bartonella spp. implicated as etiological agents of zoonoses are increasing. Apart from th ...
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Journal articleParasitol Res · October 2017
Canine vector-borne diseases (CVBDs) are caused by a range of pathogens transmitted to dogs by arthropods. The present study investigates Ehrlichia canis, Anaplasma spp., Borrelia burgdorferi sensu lato, and Dirofilaria immitis seroprevalences in hunting d ...
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Journal articleZoonoses Public Health · September 2017
Patients receiving immunosuppressive cancer treatments in settings where there is a high degree of human-animal interaction may be at increased risk for opportunistic zoonotic infections or reactivation of latent infections. We sought to determine the sero ...
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Journal articleBMC Vet Res · August 15, 2017
BACKGROUND: Vector-borne diseases of dogs in Australian Aboriginal communities are relatively unexplored. These dogs represent a unique group with variable ecto- and endo-parasitic burdens, nutritional stresses and a general lack of veterinary intervention ...
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Journal articleJ Vet Intern Med · July 2017
BACKGROUND: Studies investigating the prevalence of vector-borne pathogens in southern California dogs are limited. Occult infections might be misdiagnosed as idiopathic immune-mediated disease. HYPOTHESIS/OBJECTIVES: (1) To determine the prevalence of vec ...
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Journal articleVet Clin Pathol · June 2017
BACKGROUND: Previous reports suggest an association between Bartonella infection and effusions in dogs and human beings. OBJECTIVES: The aims of this study were to determine the prevalence of Bartonella infection in canine effusions and to investigate hist ...
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Journal articleClin Case Rep · June 2017
Recently, BAPGM enrichment culture has documented Bartonella bacteremia in previously healthy, "nonimmunocompromised" patients following arthropod exposures. Neurobartonellosis should be among the differential diagnoses for patients with persistent or recu ...
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Journal articleParasit Vectors · March 7, 2017
BACKGROUND: Babesiosis is a protozoal, tick transmitted disease found worldwide in humans, wildlife and domesticated animals. Commonly used approaches to diagnose babesiosis include microscopic examination of peripheral blood smears, detection of circulati ...
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Journal articleMil Med · March 2017
OBJECTIVES: As a result of extensive field-related activities, military working dogs (MWDs) have an increased occupational risk for acquiring vector-borne infectious diseases. METHODS: Indirect fluorescent antibody, Bartonella alpha-proteobacteria growth m ...
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Journal articleJ Vet Intern Med · March 2017
Respiratory tract disease can be associated with primary or secondary bacterial infections in dogs and cats and is a common reason for use and potential misuse, improper use, and overuse of antimicrobials. There is a lack of comprehensive treatment guideli ...
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Journal articleVet Dermatol · February 2017
BACKGROUND: Bartonellosis is a zoonotic infectious disease of worldwide distribution, caused by an expanding number of recently discovered Bartonella spp. OBJECTIVES: This review serves as an update on comparative medical aspects of this disease, including ...
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Journal articleVet Parasitol Reg Stud Reports · January 2017
Following recent tick exposure in Arkansas, a 2-year-old, female spayed Labradoodle was examined because of a one-week history of lethargy and shifting-leg lameness. The dog was febrile, had prominent lymph nodes, dull mentation, a stiff gait, and left for ...
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Journal articleJ Vet Cardiol · September 2016
INTRODUCTION: To describe the clinical presentation, clinicopathological abnormalities and outcomes of a series of cats diagnosed with infective endocarditis (IE) at two tertiary care referral institutions. ANIMALS: Thirteen client-owned cats presenting to ...
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Journal articleJ Vet Cardiol · September 2016
Infective endocarditis, an inflammation of the endocardial surface due to invasion by an infectious agent, is more common in middle sized to large breed dogs. We herein report a case of mitral valve endocarditis in a 9-year-old male-castrated Weimaraner ca ...
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Journal articleParasit Vectors · May 10, 2016
BACKGROUND: The genus Bartonella is comprised of a rapidly increasing number of pathogenic species that induce a seemingly diverse spectrum of neurological symptoms. During the 12 year period that followed the initial onset of neurological and gastrointest ...
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Journal articleParasit Vectors · May 10, 2016
BACKGROUND: Leishmania infantum is a canine zoonotic vector-borne protozoan pathogen transmitted by phlebotomine sand flies, whereas Anaplasma platys is a bacterium most likely transmitted by ticks. While vertical transmission of L. infantum from pregnant ...
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Journal articleTicks Tick Borne Dis · March 2016
Anaplasma phagocytophilum is an Ixodes species tick-transmitted bacterium that is capable of infecting a variety of host species, although there is a diversity of bacterial strains with differing host tropism. Recent analysis of A. phagocytophilum strains ...
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Journal articlePLoS Negl Trop Dis · March 2016
Bacteria from the genus Bartonella are emerging blood-borne bacteria, capable of causing long-lasting infection in marine and terrestrial mammals, including humans. Bartonella are generally well adapted to their main host, causing persistent infection with ...
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Journal articleJ Comp Pathol · July 2015
Canine cutaneous histiocytoma (CCH) is a common, benign neoplastic proliferation of histiocytes of Langerhans cell origin that often ulcerate, become secondarily infected and regress spontaneously. Bartonella is a fastidious genus of facultative intracellu ...
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Journal articleParasit Vectors · June 12, 2015
BACKGROUND: With the exception of Bartonella spp. or Cytauxzoon felis, feline vector-borne pathogens (FVBP) have been less frequently studied in North America and are generally under-appreciated as a clinical entity in cats, as compared to dogs or people. ...
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Journal articleParasit Vectors · June 12, 2015
Bartonella henselae, a flea-transmitted bacterium, causes chronic, zoonotic, blood stream infections in immunocompetent and immunocompromised patients throughout the world. As an intra-erythrocytic and endotheliotropic bacterium, B. henselae causes a spect ...
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Journal articleJ Clin Microbiol · May 2015
Bartonella species constitute emerging, vector-borne, intravascular pathogens that produce long-lasting bacteremia in reservoir-adapted (natural host or passive carrier of a microorganism) and opportunistic hosts. With the advent of more sensitive and spec ...
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Journal articleRes Vet Sci · April 2015
Because of the relatively low biodiversity within arctic ecosystems, arctic foxes, Vulpes lagopus, could serve as sentinels for the study of changes in the ecology of vector-borne zoonotic pathogens. The objective of this study was to determine the molecul ...
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Journal articleVet Dermatol · February 2015
BACKGROUND: Bartonella henselae, a Gram-negative, zoonotic Alphaproteobacteria that infects erythrocytes, endothelial cells and dendritic cells, has previously been implicated as a cause of panniculitis in dogs and a human. ANIMAL AND OWNER: An 8-year-old, ...
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Journal articleEmerg Infect Dis · February 2015
Ehrlichia sp. DNA was amplified from 4 Ehrlichia-seroreactive horses from Mérida, Nicaragua. Sequencing of 16S rDNA, sodB, and groEL genes indicated that the bacterium is most likely a novel Ehrlichia species. The tick vector and the potential for canine a ...
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Journal articleJ Clin Microbiol · January 2015
Human exposure to Bartonella clarridgeiae has been reported only on the basis of antibody detection. We report for the first time an asymptomatic human blood donor infected with B. clarridgeiae, as documented by enrichment blood culture, PCR, and DNA seque ...
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Journal articlePLoS Negl Trop Dis · January 2015
Bartonella species are blood-borne, re-emerging organisms, capable of causing prolonged infection with diverse disease manifestations, from asymptomatic bacteremia to chronic debilitating disease and death. This pathogen can survive for over a month in sto ...
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Journal articleJ Vet Emerg Crit Care (San Antonio) · 2015
OBJECTIVE: To describe the clinical course and successful management of a febrile dog with polyarthritis, splenic vasculitis, thrombosis, and infarction that was infected with Bartonella henselae. CASE SUMMARY: An 8-year-old female spayed Labrador Retrieve ...
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Journal articleJFMS Open Rep · 2015
CASE SERIES SUMMARY: At different time points spanning 6 months, three adopted feral flea-infested cats, residing in the household of a veterinary technician, became acutely anorexic, lethargic and febrile. Enrichment blood culture/PCR using Bartonella alp ...
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Journal articleJ Vet Intern Med · January 2015
BACKGROUND: Recently, a potential association was identified between Bartonella exposure and arthritides in mammalian species other than cats. HYPOTHESIS/OBJECTIVES: We hypothesized that Bartonella exposure is associated with more severe degenerative joint ...
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Journal articleParasit Vectors · December 2, 2014
BACKGROUND: Bone marrow (BM) is a major hematopoietic organ that can harbour a variety of vector-borne pathogens; however, knowledge of BM pathological changes in dogs infected with vector-borne pathogens is limited. Thus, the aim of the present study was ...
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Journal articleAm J Trop Med Hyg · December 2014
This article presents two case reports of Anaplasma platys detection in two women from Venezuela. Both patients were exposed to Rhipicephalus sanguineus, the presumed tick vector, and experienced chronic, nonspecific clinical signs including headaches and ...
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Journal articleEmerg Infect Dis · December 2014
We investigated whether Bartonella spp. could cause endocarditis in coyotes or localize to cardiac valves before lesions develop. Bartonella DNA was amplified more often from coyote cardiac valves than spleen. Bartonella infection apparently leads to cardi ...
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Journal articleVet Microbiol · November 7, 2014
Recent evidence suggest that Bartonella species may cause polyarthritis and lameness in dogs. Canine leishmaniosis (CanL) due to Leishmania infantum is a multi-systemic disease often occurring in association with arthritis. We hypothesized that concurrent ...
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Journal articleJ Clin Microbiol · November 2014
We developed a sensitive and specific sodB-based quantitative PCR assay to detect Ehrlichia spp. The assay's limit of detection was 5 copies/reaction, and it did not amplify nonspecific DNA. Compared with a 16S rRNA gene PCR target, the sodB target may off ...
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Journal articleVector Borne Zoonotic Dis · October 2014
Vector-borne disease (VBD) pathogens remain an emerging health concern for animals and humans throughout the world. Surveillance studies of ticks and humans have made substantial contributions to our knowledge of VBD epidemiology trends, but long-term VBD ...
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Journal articleVector Borne Zoonotic Dis · October 2014
After raccoons were trapped and removed from under a house in New York, the owner and her two Papillon dogs became infested with numerous rat mites (Ornithonyssus bacoti). Two weeks later, both dogs developed pruritus, progressively severe vesicular lesion ...
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Journal articleCan Vet J · October 2014
This report describes a 2-year-old collie dog with pulmonary nodules, visualized by computed tomographic (CT) scan, with evidence of Bartonella henselae bacteremia and pyogranulomatous lymphadenitis. Clinical signs resolved with antimicrobial therapy. ...
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Journal articleJ Clin Microbiol · September 2014
Bartonella henselae is increasingly associated with a variety of pathological entities, which are often similar in dogs and human patients. Following an acute flea infestation, a dog developed an unusual clinical presentation for canine bartonellosis. Comp ...
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Journal articleVet Microbiol · August 27, 2014
Based upon prior studies, domestic cats have been shown to be the natural reservoir for Bartonella henselae, Bartonella clarridgeiae and Bartonella koehlerae. However, other Bartonella species, such as Bartonella vinsonii subsp. berkhoffii, Bartonella quin ...
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Journal articleJ Feline Med Surg · August 2014
Anaplasma platys (Apl), 'Candidatus Mycoplasma haemominutum' (CMh), Bartonella henselae (Bh) and Bartonella koehlerae (Bk) were confirmed by polymerase chain reaction (PCR) amplification and DNA sequencing in a cat diagnosed with multiple myeloma. Other in ...
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Journal articleVector Borne Zoonotic Dis · August 2014
BACKGROUND: Bartonella species are important emerging pathogens in human and veterinary medicine. In the context of their daily activities, veterinary professionals have frequent animal contact and arthropod exposures. Detection of Bartonella spp. using tr ...
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Journal articleJ Am Vet Med Assoc · July 1, 2014
OBJECTIVE: To evaluate the performance of an in-clinic ELISA designed for detection of heartworm antigen and antibodies against 5 tick-borne pathogens. DESIGN: Validation study. SAMPLE: 1,601 serum or matched serum, plasma, and blood samples from dogs. PRO ...
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Journal articleParasit Vectors · July 1, 2014
BACKGROUND: Anaplasmosis, caused by Anaplasma phagocytophilum and Anaplasma platys, and ehrlichiosis, caused by Ehrlichia chaffeensis, Ehrlichia ewingii, the "Panola Mountain Ehrlichia" and Ehrlichia muris-like pathogens have been identified as emerging ti ...
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Journal articleVet Microbiol · June 4, 2014
Since 2002, vegetative valvular endocarditis (VVE), septicemia and meningoencephalitis have contributed to an Unusual Mortality Event (UME) of northern sea otters in southcentral Alaska. Streptococcal organisms were commonly isolated from vegetative lesion ...
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Journal articleJ Clin Microbiol · June 2014
Anaplasma platys is an obligate intracellular rickettsial pathogen that infects platelets of dogs, forming basophilic intracellular morulae. In the present report, cellular inclusions were documented in bone marrow thrombocyte precursors of two young natur ...
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Journal articleVet Dermatol · June 2014
BACKGROUND: Superficial bacterial folliculitis (SBF) is usually caused by Staphylococcus pseudintermedius and routinely treated with systemic antimicrobial agents. Infection is a consequence of reduced immunity associated with alterations of the skin barri ...
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Journal articleMed Microbiol Immunol · April 2014
We report the first documented case of Bartonella henselae infection in a dog from France and the first isolation of B. henselae from a dog with fever of unknown origin. This observation contributes to the "One Health" concept focusing on zoonotic pathogen ...
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Journal articleMed Microbiol Immunol · April 2014
After a short-term fever, complex regional pain syndrome, characterized by hyperalgesia, intermittent swelling, erythema and cyanosis of both feet, was diagnosed in a female veterinarian. The woman was infected with Bartonella koehlerae and she was also Ba ...
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Journal articleParasit Vectors · March 26, 2014
BACKGROUND: Canine vector-borne diseases (CVBD) are caused by a diverse array of pathogens with varying biological behaviors that result in a wide spectrum of clinical presentations and laboratory abnormalities. For many reasons, the diagnosis of canine ve ...
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Journal articleParasit Vectors · March 24, 2014
BACKGROUND: Hemotropic mycoplasmas are epicellular erythrocytic bacteria that can cause infectious anemia in some mammalian species. Worldwide, hemotropic mycoplasmas are emerging or re-emerging zoonotic pathogens potentially causing serious and significan ...
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Journal articleParasit Vectors · March 24, 2014
BACKGROUND: Canine vector borne diseases (CVBDs) comprise illnesses caused by a spectrum of pathogens that are transmitted by arthropod vectors. Some dogs have persistent infections without apparent clinical, hematological or biochemical abnormalities, whe ...
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Journal articleJ Am Vet Med Assoc · March 1, 2014
OBJECTIVE--To evaluate the practices and perceptions of veterinarians in North Carolina regarding borreliosis in dogs in various geographic regions of the state. DESIGN--Cross-sectional survey. SAMPLE--Data from 208 completed surveys. PROCEDURES--Surveys w ...
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Journal articleClinical Microbiology Newsletter · March 1, 2014
Members of the genus Bartonella cause illnesses in humans and animals. Bartonella spp. are gram-negative, fastidious, facultative, intracellular pathogens transmitted by the bites of certain arthropods or by bites and scratches from infected animals. While ...
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Journal articleVet Parasitol · January 31, 2014
Several Bartonella spp. associated with fleas can induce a variety of clinical syndromes in both dogs and humans. However, few studies have investigated the prevalence of Bartonella in the blood of dogs and their fleas. The objectives of this study were to ...
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Journal articleInfect Ecol Epidemiol · 2014
INTRODUCTION: Tick-borne pathogens cause a spectrum of disease manifestations in both dogs and humans. Recognizing regional and temporal shifts in exposure are important as tick distributions change. To better delineate regional exposure to canine tick-bor ...
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Journal articleILAR J · 2014
In recent years, an increasing number of Bartonella species have been identified as zoonotic pathogens, transmitted by animal bites, scratches, arthropods and even by needle sticks. Considering the diversity of newly discovered Bartonella species and subsp ...
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Journal articleJ Vet Intern Med · 2014
BACKGROUND: Frequent exposure of Grenadian dogs to Rhipicephalus sanguineus results in Anaplasma platys, and Ehrlichia canis seroreactivity. During elective surgeries, substantial intraoperative hemorrhage occurs in some seroreactive dogs. OBJECTIVES: To a ...
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Journal articleJ Vet Intern Med · 2014
BACKGROUND: Little is known about the specificity of Bartonella spp. immunofluorescent antibody (IFA) assays in dogs. Bacteremia in sick dogs most often has been associated with Bartonella henselae (Bh), Bartonella vinsonii subspecies berkhoffii (Bvb), and ...
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Journal articleVet Immunol Immunopathol · November 15, 2013
The lack of a suitable infection model remains an important obstacle for the pathophysiological understanding of Bartonella spp. The following pilot study was designed to determine whether cell culture-grown Bartonella henselae SA2 and Bartonella vinsonii ...
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Journal articleJ Clin Microbiol · October 2013
PCR amplification targeting the 16S rRNA gene was used to test individuals with and without extensive arthropod and animal contact for the possibility of hemotropic mycoplasma infection. The prevalence of hemotropic mycoplasma infection (4.7%) was signific ...
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Journal articleComp Immunol Microbiol Infect Dis · September 2013
We compared clinicopathologic findings in dogs with Bartonella infection to Bartonella spp. negative dogs suspected of a vector-borne disease. Cases (n=47) and controls (n=93) were selected on the basis of positive or negative enrichment culture PCR result ...
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Journal articleParasit Vectors · August 23, 2013
BACKGROUND: Tick-borne diseases comprise a group of maladies that are of substantial medical and veterinary significance. A range of tick-borne pathogens, including diverse species of bacteria and protozoa, can infect both dogs and humans. Hence, the contr ...
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Journal articleJ Clin Microbiol · June 2013
Patients with infection from bacteremic Bartonella spp., tested using Bartonella Alphaproteobacteria growth medium (BAPGM), were retrospectively categorized into one of two groups that included those whose blood was collected once (group 1; n = 55) or thre ...
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Journal articleJ Clin Microbiol · May 2013
Here, we report latent infections with Bartonella quintana and a hemotropic Mycoplasma sp. in a research colony of cynomolgus monkeys (Macaca fascicularis). Sequence alignments, evolutionary analysis, and signature nucleotide sequence motifs of the hemotro ...
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Journal articleParasit Vectors · April 15, 2013
BACKGROUND: Bartonella species comprise a group of zoonotic pathogens that are usually acquired by vector transmission or by animal bites or scratches. METHODS: PCR targeting the Bartonella 16S-23S intergenic spacer (ITS) region was used in conjunction wit ...
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Journal articleParasit Vectors · April 15, 2013
BACKGROUND: Infection by two or more canine vector-borne disease (CVBD)-causing pathogens is common in subtropical and tropical regions where vectors are plentiful. Co-infections may potentiate disease pathogenesis, thereby altering clinical manifestations ...
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Journal articleParasit Vectors · April 15, 2013
BACKGROUND: During a two year period, a 27-year-old female veterinarian experienced migraine headaches, seizures, including status epilepticus, and other neurological and neurocognitive abnormalities. Prior to and during her illness, she had been actively ...
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Journal articleParasit Vectors · April 15, 2013
BACKGROUND: Bartonella henselae is a zoonotic, alpha Proteobacterium, historically associated with cat scratch disease (CSD), but more recently associated with persistent bacteremia, fever of unknown origin, arthritic and neurological disorders, and bacill ...
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Journal articleMed Microbiol Immunol · April 2013
Angiogenesis is an important physiological and pathological process. Bartonella is the only genus of bacteria known to induce pathological angiogenesis in the mammalian host. Bartonella-induced angiogenesis leads to the formation of vascular tumors includi ...
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Journal articleJ Comp Pathol · February 2013
In his homage to Lucretius ('Georgica'), Vergil is credited with stating: 'Felix qui potuit rerum cognoscere causas' ('Fortunate is he who knows the causes of things'). Based on numerous commentaries and publications it is obvious that clinicians, diagnost ...
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Journal articleJ Clin Microbiol · February 2013
A novel strain of Mycobacterium iranicum, a recently described nontuberculous Mycobacterium species, was isolated from the sputum of a woman. The source of infection was not determined; however, fomite transmission of inhaled aerosolized secretions from he ...
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Journal articleJ Med Microbiol · February 2013
Bartonella henselae is an infrequently reported cause of polyclonal plasmacytosis and hypergammaglobulinaemia. We herein document B. henselae infection in a 66-year-old patient who presented with hypergammaglobulinaemia, splenomegaly with polyclonal plasma ...
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Journal articleJ Vet Intern Med · 2013
BACKGROUND: Bartonella alpha-Proteobacteria growth medium (BAPGM) enrichment culture has proven useful for documenting Bartonella species infection and has facilitated growth of other fastidious bacteria from human samples. PURPOSE: To report non-Bartonell ...
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Journal articlePLoS One · 2013
Bed bugs (Cimex lectularius L.) have resurged in the United States and globally. Bed bugs are hematophagous ectoparasites of humans and other animals, including domestic pets, chickens, and bats, and their blood feeding habits contribute to their potential ...
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Journal articleComp Immunol Microbiol Infect Dis · December 2012
Mycoplasma haemocanis (Mhc) and Candidatus Mycoplasma haematoparvum (CMhp) have been described in dogs. Historically, microscopic visualization of hemotropic Mycoplasma spp. has occurred most often in immunocompromised or splenectomized dogs. The aim of th ...
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Journal articleEmerging Infectious Diseases · December 1, 2012
The One Health paradigm for global health recognizes that most new human infectious diseases will emerge from animal reservoirs. Little consideration has been given to the known and potential zoonotic infectious diseases of small companion animals. Cats an ...
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Journal articleVet J · November 2012
The aim of this study was to determine whether serum cardiac troponin I (cTnI) concentration measured on admission was associated with the clinical severity of canine monocytic ehrlichiosis and was predictive of clinical outcome (death or survival) in dogs ...
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Journal articleAm J Vet Res · September 2012
OBJECTIVE: To determine the prevalence of perinuclear antineutrophil cytoplasmic autoantibodies (pANCA) in dogs with confirmed or suspected immune-mediated hemolytic anemia (IMHA) or dogs infected with various vector-borne pathogens, including Rickettsia r ...
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Journal articleJ Vet Diagn Invest · September 2012
Canine granulomatous hepatitis is an uncommon morphologic diagnosis that has been associated with a variety of diseases, including a number of systemic infectious etiologies. Formalin-fixed, paraffin-embedded (FFPE) tissues are typically the only source of ...
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Journal articleMed Microbiol Immunol · August 2012
Bartonella species are highly fastidious, vector borne, zoonotic bacteria that cause persistent intraerythrocytic bacteremia and endotheliotropic infection in reservoir and incidental hosts. Based upon prior in vitro research, three Bartonella sp., B. baci ...
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Journal articleJ Comp Pathol · July 2012
The urinary bladder is a common site of bacterial infection with a majority of cases attributed to uropathogenic Escherichia coli. Sequelae of urinary tract infections (UTIs) include the loss of urothelial barrier function and subsequent clinical morbidity ...
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Journal articleVet Pathol · July 2012
Most cats infected with Bartonella henselae remain outwardly healthy carriers for years; however, self-limiting fever, transient anemia, neurologic dysfunction, lymphadenopathy, reproductive disorders, aortic valvular endocarditis, and neutrophilic myocard ...
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Journal articleEmerg Infect Dis · May 2012
Bartonella spp. infection has been reported in association with an expanding spectrum of symptoms and lesions. Among 296 patients examined by a rheumatologist, prevalence of antibodies against Bartonella henselae, B. koehlerae, or B. vinsonii subsp. berkho ...
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Journal articleVet Microbiol · April 23, 2012
Bartonella vinsonii subsp. berkhoffii is a recognized cause of endocarditis in dogs and human patients and has been associated with cardiac arrhythmias, myocarditis, granulomatous lymphadenitis, polyarthritis, and granulomatous rhinitis in dogs. Little is ...
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Journal articleParasit Vectors · March 20, 2012
The human-animal bond has been a fundamental feature of mankind's history for millennia. The first, and strongest of these, man's relationship with the dog, is believed to pre-date even agriculture, going back as far as 30,000 years. It remains at least as ...
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Journal articleParasit Vectors · February 8, 2012
BACKGROUND: This study evaluated the exposure of dogs to three different Ehrlichia spp. in the south and central regions of the United States where vector-borne disease prevalence has been previously difficult to ascertain, particularly beyond the metropol ...
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Journal articleVector Borne Zoonotic Dis · February 2012
The role of various vector-borne pathogens as a cause of disease in cats has not been clearly determined. The current study evaluated risk factors, clinical and laboratory abnormalities associated with Ehrlichia spp., Anaplasma spp., Neorickettsia spp., Le ...
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Journal articleBMC Infect Dis · January 23, 2012
BACKGROUND: Bartonella henselae (B. henselae) is considered a rare cause of granulomatous hepatitis. Due to the fastidious growth characteristics of the bacteria, the limited sensitivity of histopathological stains, and the non-specific histological findin ...
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Journal articleJ Vet Intern Med · 2012
BACKGROUND: Bartonella species bacteremia has been identified in numerous animal species. These bacteria cause, or have been associated with, a spectrum of clinical manifestations in dogs and human patients. The frequency of exposure to or infection with B ...
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Journal articleJ Vet Intern Med · 2012
BACKGROUND: Experimental infection of horses with Bartonella species is not documented. OBJECTIVES: Determine clinical signs, hematologic changes, duration of bacteremia, and pattern of seroconversion in Bartonella henselae or Bartonella bovis-inoculated h ...
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Journal articlePLoS Negl Trop Dis · 2012
Bartonellae are emerging vector-borne pathogens infecting erythrocytes and endothelial cells of various domestic and wild mammals. Blood samples were collected from domestic and wild canids in Iraq under the United States Army zoonotic disease surveillance ...
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Journal articleComp Immunol Microbiol Infect Dis · January 2012
It has been speculated that ticks may serve as vectors of Bartonella species. Circumstantial, clinical, epidemiological and serological evidence suggest that B. vinsonii subspecies berkhoffii (B. v. berkhoffii) might be transmitted by Rhipicephalus sanguin ...
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Journal articleDiagn Microbiol Infect Dis · December 2011
Serum and blood samples from 192 patients, who reported animal exposure (100.0%) and recent animal bites or scratches (88.0%), were screened for antibodies by indirect immunofluorescence assays and for bacteremia using the BAPGM (Bartonella alpha Proteobac ...
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Journal articleJ Clin Microbiol · November 2011
Bartonella henselae and B. koehlerae bacteremia was documented in two epithelioid hemangioendothelioma patients and B. koehlerae bacteremia in an asymptomatic partner of one of the patients. Considering the biology and clinically variable natural history o ...
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Journal articleVector Borne Zoonotic Dis · November 2011
Bartonella species comprise a genus of gram-negative, fastidious, intracellular bacteria that have been implicated in association with an increasing spectrum of disease manifestations in dogs and human patients. In this study, chronic canine and human dise ...
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Journal articleJ Clin Microbiol · September 2011
A young woman experiencing depression, anxiety, mood swings, severe headaches, muscle spasms, interphalangeal joint stiffness, decreased peripheral vision, diminished tactile sensation, and hallucinations was persistently Bartonella koehlerae seroreactive ...
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Journal articleEmerg Infect Dis · May 2011
Only indirect or circumstantial evidence has been published to support transmission of Rickettsia rickettsii by Amblyomma americanum (lone star) ticks in North America. This study provides molecular evidence that A. americanum ticks can function, although ...
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Journal articleEmerg Infect Dis · May 2011
In conjunction with efforts to assess pathogen exposure in feral pigs from the southeastern United States, we amplified Bartonella henselae, B. koehlerae, and B. vinsonii subsp. berkhoffii from blood samples. Feral pigs may represent a zoonotic risk for hu ...
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Journal articleJ Clin Microbiol · May 2011
"Candidatus Neoehrlichia mikurensis" is a new intracellular pathogen associated with human infection and death. "Candidatus Neoehrlichia mikurensis" infection in a chronically neutropenic dog from Germany was confirmed by DNA sequencing. The same organism ...
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Journal articleVet Microbiol · April 21, 2011
Longitudinal studies evaluating the evolution of clinical, haematological, biochemical findings in young dogs exposed for the first time to multiple vector-borne pathogens have not been reported. With the objective of assessing the evolution of clinical, h ...
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Journal articleJ Vet Diagn Invest · March 2011
Measurement of cytokine concentrations within body fluids is a means of recognizing subclinical and/or unresolved, infectious and inflammatory states in patients. In the urinary tract, such information may be useful for identifying patients with pyelonephr ...
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Journal articleInfect Immun · February 2011
During early urinary tract infection (UTI) the interplay between invading bacteria and the urothelium elicits a mucosal response aimed at clearing infection. Unfortunately, the resultant inflammation and associated local tissue injury are responsible for p ...
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Journal articleVet Med Int · 2011
Urinary tract disease is a common reason for use (and likely misuse, improper use, and overuse) of antimicrobials in dogs and cats. There is a lack of comprehensive treatment guidelines such as those that are available for human medicine. Accordingly, guid ...
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Journal articleJ Vet Intern Med · 2011
BACKGROUND: Among diseases that cause splenomegaly in dogs, lymphoid nodular hyperplasia (LNH), splenic hemangiosarcoma (HSA), and fibrohistiocytic nodules (FHN) are common diagnoses. The spleen plays an important role in the immunologic control or elimina ...
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Journal articleJ Vet Intern Med · 2011
BACKGROUND: Molecular diagnosis of canine bartonellosis can be extremely challenging and often requires the use of an enrichment culture approach followed by PCR amplification of bacterial DNA. HYPOTHESES: (1) The use of enrichment culture with PCR will in ...
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Journal articleCase Reports in Veterinary Medicine · January 1, 2011
A ten-year-old neutered male dog was examined for tetraparesis, vestibular dysfunction, ataxia, and vertebral column hyperesthesia of 10 days duration. On magnetic resonance imaging (MRI), there were multifocal, punctate, T2-hyperintense lesions in the bra ...
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Journal articleJ Am Anim Hosp Assoc · 2011
A 12 yr old Dalmatian was referred for evaluation of acute lethargy, fever, neurologic signs, and a recently ausculted heart murmur. Echocardiography in combination with blood cultures resulted in a diagnosis of nonhospital-acquired Serratia marcescens bac ...
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Journal articleJ Vet Intern Med · 2011
BACKGROUND: Several Bartonella species (spp.) have been identified in dogs diagnosed with infectious endocarditis (IE) or myocarditis. OBJECTIVE: To interrogate cardiac tissues of dogs with suspected IE for the presence of Bartonella spp. DNA of dogs in th ...
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Journal articleJ Am Anim Hosp Assoc · 2011
Eighteen clinically ill dogs, naturally infected with Anaplasma phagocytophilum, were examined at a veterinary practice in Baxter, Minnesota. A clinical examination, complete blood cell count, enzyme- linked immunosorbent assay (ELISA) for A phagocytophilu ...
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Journal articleJ Am Vet Med Assoc · December 1, 2010
CASE DESCRIPTION: A 1-year-old 32.5-kg (71.5-lb) sexually intact male foxhound-Treeing Walker Coonhound cross was evaluated because of a 2.5-month history of dermatologic lesions, weight loss, and diarrhea. CLINICAL FINDINGS: Physical examination revealed ...
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Journal articleAm J Vet Res · December 2010
OBJECTIVE: To evaluate the sensitivity and specificity of a commercially available in-clinic ELISA for detection of heartworm infection and tick-borne diseases in dogs. SAMPLE POPULATION: 846 serum, plasma, or blood samples obtained from dogs. PROCEDURES: ...
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Journal articleJ Clin Microbiol · October 2010
Two variants of an organism resembling the ovine hemoplasma, Mycoplasma ovis, were detected by PCR in blood samples from a veterinarian in Texas. Coinfection with similar variants has been described in sheep. This represents the first report of human infec ...
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Journal articleAm J Vet Res · October 2010
OBJECTIVE: To evaluate microtiter-plate format ELISAs constructed by use of different diagnostic targets derived from the Ehrlichia ewingii p28 outer membrane protein for detection of E ewingii antibodies in experimentally and naturally infected dogs. SAMP ...
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Journal articleVet Parasitol · September 20, 2010
Canine vector-borne diseases (CVBDs) are highly prevalent and increasing in distribution worldwide. A longitudinal study was conducted in southern Italy to determine the incidence of and protection against CVBD-causing pathogens in dogs treated with a comb ...
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Journal articleJ Clin Microbiol · September 2010
Canine vector-borne diseases (CVBDs) pose a diagnostic challenge, particularly when a dog is coinfected with more than one pathogen. The purpose of this study was to generate information about the diagnosis of CVBDs in young dogs following their first expo ...
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Journal articleParasit Vectors · August 24, 2010
BACKGROUND: Cats appear to be the primary reservoir host for Bartonella koehlerae, an alpha Proteobacteria that is most likely transmitted among cat populations by fleas (Ctenocephalides felis). Bartonella koehlerae has caused endocarditis in a dog and in ...
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Journal articleVet Dermatol · August 2010
A dog being treated with immunosuppressive doses of prednisone and azathioprine for pancytopenia of unknown origin, developed, over a 2-week period, multiple erythematous nodular lesions in the skin including footpads. Skin samples revealed lesions identic ...
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Journal articleJ Wildl Dis · July 2010
Trapper-killed North American river otters (Lontra canadensis) in North Carolina, USA, were screened for multiple vector-borne bacteria known to be pathogenic to mammals. Blood was collected from 30 carcasses in 2006, from 35 in 2007, and from one live ott ...
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Journal articleJ Feline Med Surg · June 2010
Stray cats trapped in various areas of Basseterre, the capital of St Kitts in the West Indies, were tested for infection with feline immunodeficiency virus (FIV) and feline leukemia virus (FeLV) using commercial kits. Of 99 (51 male and 48 female) cats tra ...
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Journal articleJ Clin Microbiol · June 2010
Bartonella vinsonii subsp. berkhoffii, Bartonella henselae, or DNA of both organisms was amplified and sequenced from blood, enrichment blood cultures, or autopsy tissues from four family members. Historical and microbiological results support perinatal tr ...
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Journal articleJ Feline Med Surg · June 2010
This report describes the clinical presentation, diagnosis and treatment of a cat with vegetative valvular endocarditis temporally associated with natural infection with Bartonella henselae. Lethargy, abnormal gait and weakness were the main clinical signs ...
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Journal articleParasit Vectors · April 8, 2010
BACKGROUND: Rhipicephalus sanguineus is a ubiquitous tick responsible for transmitting Ehrlichia canis and most likely Anaplasma platys to dogs, as either single or co-infections. The objective of this study was to assess the effects of either simultaneous ...
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Journal articleParasit Vectors · April 8, 2010
BACKGROUND: Bartonella vinsonii subsp. berkhoffii is an important, emerging, intravascular bacterial pathogen that has been recently isolated from immunocompetent patients with endocarditis, arthritis, neurological disease and vasoproliferative neoplasia. ...
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Journal articleTrends Parasitol · April 2010
Dogs and people are exposed to and susceptible to infection by many of the same tick-borne bacterial pathogens in the order Rickettsiales, including Anaplasma phagocytophilum, Ehrlichia canis, E. chaffeensis, E. ewingii, Rickettsia rickettsii, R. conorii, ...
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Journal articleTrends Parasitol · April 2010
Cat-scratch disease, flea-borne typhus, and plague are three flea-associated zoonoses of cats of concern in the USA. Although flea concentrations may be heaviest in coastal and temperate climates, fleas and flea-borne disease agents can occur almost anywhe ...
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Journal articleAppl Environ Microbiol · March 2010
Bartonella spp. can cause persistent bloodstream infections in humans and animals. To determine whether Bartonella henselae is present in questing Ixodes ricinus ticks, we analyzed the prevalence of B. henselae DNA among tick stages compared to the prevale ...
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Journal articleVector Borne Zoonotic Dis · March 2010
We evaluated the serological and molecular prevalence of selected organisms in 145 dogs during late spring (May/June) of 2005 and in 88 dogs during winter (February) of 2007 from the Hopi Indian reservation. Additionally, in 2005, 442 ticks attached to dog ...
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Journal articleEmerg Infect Dis · March 2010
As worldwide vectors of human infectious diseases, ticks are considered to be second only to mosquitoes. Each tick species has preferred environmental conditions and biotopes that determine its geographic distribution, the pathogens it vectors, and the are ...
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Journal articleJ Vet Emerg Crit Care (San Antonio) · February 2010
OBJECTIVE: To provide a review of clinically relevant observations related to Bartonella species as emerging pathogens in veterinary and human medicine. DATA SOURCES: Literature as cited in PubMed and as generated by each of the authors who have contribute ...
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Journal articleJ Clin Microbiol · February 2010
Using Bartonella henselae isolates from cats and a human, the activity of pradofloxacin was compared with those of enrofloxacin and azithromycin. By Etest and disc diffusion assay, pradofloxacin showed greater antimicrobial activity than did other antibiot ...
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Journal articleJ Vet Intern Med · 2010
BACKGROUND: Vector-transmitted microorganisms in the genera Ehrlichia, Anaplasma, Rickettsia, Bartonella, and Borrelia are commonly suspected in dogs with meningoencephalomyelitis (MEM), but the prevalence of these pathogens in brain tissue and cerebrospin ...
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Journal articleExp Appl Acarol · November 2009
Bartonella species are fastidious, gram negative bacteria, some of which are transmitted by arthropod vectors, including fleas, sandflies, and lice. There is very little information regarding the interaction and/or transmission capabilities of Bartonella s ...
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Journal articleVet Microbiol · September 18, 2009
This report describes the clinical presentation, isolation and treatment of two dogs naturally infected with Bartonella henselae and Bartonella vinsonii subsp. berkhoffii. Chronic and progressive polyarthritis was the primary complaint for dog #1, from whi ...
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Journal articleVet Pathol · September 2009
The genus Bartonella comprises a group of gram-negative, fastidious bacteria. Because of diagnostic limitations of culture and serologic testing, polymerase chain reaction (PCR) has become a powerful tool for the detection of Bartonella spp. in blood and t ...
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Journal articleJ Clin Microbiol · June 2009
In this report, we describe isolation of Bartonella vinsonii subsp. berkhoffii genotype II from a boy with epithelioid hemangioendothelioma and a dog with hemangiopericytoma. These results suggest that B. vinsonii subsp. berkhoffii may cause vasoproliferat ...
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Journal articleAnn N Y Acad Sci · May 2009
Bartonellae were first recognized to cause endocarditis in humans in 1993 when cases caused by Bartonella quintana, B. elizabethae, and B. henselae were reported. Since the first isolation of Bartonella vinsonii subspecies berkhoffii from a dog with endoca ...
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Journal articleJ Clin Microbiol · May 2009
This study reports the occurrence of "Bartonella rochalimae" in Europe and the presence of Bartonella vinsonii subsp. berkhoffii genotypes II and III in dogs in southern Italy and provides DNA sequencing evidence of a potentially new Bartonella sp. infecti ...
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Journal articleEmerg Infect Dis · May 2009
Multiple locus variable number tandem repeat analysis was performed on 178 Bartonella henselae isolates from 9 countries; 99 profiles were distributed into 2 groups. Human isolates/strains were placed into the second group. Genotype I and II isolates share ...
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Journal articleTrends Parasitol · May 2009
Despite recent achievements in scientific knowledge related to canine vector-borne diseases (CVBDs) of zoonotic concern, their management is still impaired by several neglected issues related to accurate diagnosis and effective treatment of both single and ...
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Journal articleTrends Parasitol · April 2009
Canine vector-borne diseases (CVBDs) comprise a group of globally distributed and rapidly spreading illnesses that are caused by a range of pathogens transmitted by arthropods including ticks, fleas, mosquitoes and phlebotomine sandflies. In addition to th ...
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Journal articleVet Microbiol · March 30, 2009
Although an organism primarily associated with non-clinical bacteremia in domestic cattle and wild ruminants, Bartonella bovis was recently defined as a cause of bovine endocarditis. The purpose of this study was to develop a B. bovis species-specific PCR ...
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Journal articleParasit Vectors · March 26, 2009
Bartonella spp. are important pathogens in human and veterinary medicine, and bartonellosis is considered as an emerging zoonosis that is being reported with increasing frequency. Of 22 known species and subspecies of Bartonella, seven have been isolated f ...
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Journal articleJ Microbiol Methods · March 2009
Broad range 16S rDNA PCR can be used to facilitate the diagnosis of infectious diseases of bacterial origin by detecting 16S rDNA sequences in patient samples. Post amplification sequencing facilitates identification of the infecting organism, but may not ...
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Journal articleJ Feline Med Surg · February 2009
The purpose of this study was to determine whether there are associations between Bartonella species antibody (enzyme-linked immunosorbent assay (ELISA) and Western blot (WB)) and polymerase chain reaction assay results in cats with and without fever. Afeb ...
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Journal articleJ Am Anim Hosp Assoc · 2009
Eighty-six dogs were selected based upon Ehrlichia (E.) canis SNAP 3Dx positive results to determine clinical relevance of annual E. canis screening. Immunofluorescence assay showed 72 (84%) of 86 dogs were seroreactive for E. canis. Polymerase chain react ...
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Journal articleJ Am Anim Hosp Assoc · 2009
Granulocytic anaplasmosis is an emerging infectious disease affecting dogs and humans in the United States and other regions of the world. Relatively few cases have been described in pregnant women, and perinatal transmission appears to occur infrequently ...
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Journal articleVet Res · 2009
Bartonella spp. are facultative intracellular bacteria that cause characteristic hostrestricted hemotropic infections in mammals and are typically transmitted by blood-sucking arthropods. In the mammalian reservoir, these bacteria initially infect a yet un ...
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Journal articleEmerg Infect Dis · January 2009
Candidatus Bartonella melophagi was isolated by blood culture from 2 women, 1 of whom was co-infected with B. henselae. Partial 16S rRNA, RNA polymerase B, and citrate synthase genes and 16S-23S internal transcribed spacer sequences indicated that human is ...
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Journal articleJ Wildl Dis · October 2008
Previously, we reported the isolation of Bartonella henselae from the blood of harbor porpoises (Phocoena phocoena) and loggerhead sea turtles (Caretta caretta) from the North Carolina coast. Hematologic, pathologic, and microbiologic findings surrounding ...
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Journal articleAvian Dis · September 2008
Seven psittacine birds and a toucan (Ramphastos toco) were diagnosed as infected with Coxiella-like bacteria, based on polymerase chain reaction and bacterial 16S rRNA gene sequence obtained from each bird's liver tissue. Most of the birds exhibited lethar ...
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Journal articleJ Clin Microbiol · September 2008
We detected infection with a Bartonella species (B. henselae or B. vinsonii subsp. berkhoffii) in blood samples from six immunocompetent patients who presented with a chronic neurological or neurocognitive syndrome including seizures, ataxia, memory loss, ...
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Journal articleJ Am Vet Med Assoc · August 15, 2008
OBJECTIVE: To determine whether infection with or exposure to Bartonella spp was associated with idiopathic rhinitis in dogs. DESIGN: Case-control study. ANIMALS: 44 dogs with idiopathic nasal discharge and 63 age- and weight-matched control dogs without n ...
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Journal articleVector Borne Zoonotic Dis · August 2008
A population of 731 naturally exposed pet dogs examined at a private practice in Baxter, Minnesota, an area endemic for Lyme disease and anaplasmosis, was tested by serological and molecular methods for evidence of exposure to or infection with selected ve ...
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Journal articleVet Microbiol · June 22, 2008
Spotted Fever Group Rickettsia is important cause of emerging and re-emerging infectious disease in people and dogs. Importantly, dogs can serve as sentinels for disease in people. Sensitive and specific diagnostic tests that differentiate among species of ...
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Journal articleVet Immunol Immunopathol · May 15, 2008
Bartonella species are important emerging zoonotic pathogens. Transmission of these organisms in nature may be much more complex than is currently appreciated. Cats can be infected with five Bartonella species, including, Bartonella henselae, Bartonella cl ...
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Journal articleJ Clin Microbiol · May 2008
The molecular characterization of a Bartonella vinsonii subsp. berkhoffii genotype III strain (NCSU strain 06-CO1) isolated from the blood of a military working dog diagnosed with endocarditis is reported in this study. Several genes were amplified and seq ...
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Journal articleMed Vet Entomol · March 2008
Bartonella species are gram-negative bacteria that infect erythrocytes, endothelial cells and macrophages, often leading to persistent blood-borne infections. Because of the ability of various Bartonella species to reside within erythrocytes of a diverse n ...
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Journal articleVet Parasitol · February 14, 2008
To identify the tick-borne pathogens in dogs from Grenada, we conducted a serologic survey for Ehrlichia canis in 2004 (104 dogs) and a comprehensive serologic and molecular survey for a variety of tick-borne pathogens in 2006 (73 dogs). In 2004 and 2006, ...
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Journal articleJ Vet Intern Med · 2008
BACKGROUND: Although lymphoma is the most common neoplastic process reported in dogs, its precise etiology is unknown. Golden Retrievers are more likely to develop lymphoma, suggesting a breed predisposition; however, other factors, including environment, ...
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Journal articleJ Vet Intern Med · 2008
BACKGROUND: Ehrlichiosis is a multisystemic disease with the potential to cause cardiomyocyte injury in naturally infected dogs. HYPOTHESIS: Myocardial injury occurs in dogs infected with Ehrlichia canis. ANIMALS: One-hundred and ninety-four dogs from Braz ...
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Journal articleJ Vet Intern Med · 2008
BACKGROUND: Canine leishmaniasis (CanL) is a common cause of epistaxis in dogs residing in endemic areas. The pathogenesis of CanL-associated epistaxis has not been fully explored because of the limited number of cases reported so far. HYPOTHESIS: Epistaxi ...
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Journal articleJ Vet Intern Med · 2008
BACKGROUND: Bartonella spp. are emerging zoonotic agents that have been found in a wide variety of domestic animals and wildlife and cause a number of clinical syndromes. Bartonella sp. infection has been identified in a growing number of animal species, i ...
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Journal articleVet Res · 2008
We present prevalence of Bartonella spp. for multiple cohorts of wild and captive cetaceans. One hundred and six cetaceans including 86 bottlenose dolphins (71 free-ranging, 14 captive in a facility with a dolphin experiencing debility of unknown origin, 1 ...
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Journal articleJ Med Entomol · January 2008
Four hundred and sixty-six questing Amblyomma americanum (L.) (Acari: Ixodidae) from Carolina County, VA, and 98 questing A. americanum from Chatham County, NC, were screened by polymerase chain reaction (PCR) for the Bartonella 16S-23S intergenic spacer r ...
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Journal articleEmerg Infect Dis · December 2007
Bartonella species, transmitted by arthropods or animal bites and scratches, are emerging pathogens in human and veterinary medicine. PCR and DNA sequencing were used to test oral swabs collected from dogs. Results indicated the presence of 4 Bartonella sp ...
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Journal articleCan Vet J · August 2007
A dog referred for lameness was diagnosed with culture-negative endocarditis. Antibodies to Bartonella spp. were detected. Antibiotic treatment resulted in transient clinical improvement, but the dog developed cardiac failure and was euthanized. Bartonella ...
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Journal articleEmerg Infect Dis · June 2007
Using PCR in conjunction with pre-enrichment culture, we detected Bartonella henselae and B. vinsonii subspecies berkhoffii in the blood of 14 immunocompetent persons who had frequent animal contact and arthropod exposure. ...
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Journal articleJ Microbiol Methods · May 2007
Historically, direct plating, lysis centrifugation, or freeze-thaw approaches have proven to be highly insensitive methods for confirming Bartonella species infection in dogs. A prospective study was designed to compare diagnostic methods for the detection ...
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Journal articleVet Microbiol · March 31, 2007
Effusive, fibrinous pericarditis is an uncommon disease entity in horses. In 2001, pericarditis occurred in conjunction with an epizootic in central Kentucky that was associated with exposure to eastern tent caterpillars (ETCs). Bacterial isolation from eq ...
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Journal articleJ Am Vet Med Assoc · March 1, 2007
CASE DESCRIPTION: 1 dog evaluated because of inappetence and lameness of the left hind limb of 1 day's duration and 1 dog evaluated because of inappetence, fever, and lymphadenopathy of 2 weeks' duration. CLINICAL FINDINGS: Histologic examination of excisi ...
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Journal articleUltrastruct Pathol · 2007
Bartonella spp. constitute emerging pathogens of worldwide distribution. Bacillary angiomatosis is the most frequent skin manifestation of bartonelloses; nevertheless, B. henselae infection should always be considered systemic, especially in immunodeficien ...
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Journal articleVector Borne Zoonotic Dis · 2007
For many vector-borne organisms, dogs can be used as sentinels to estimate the risk of human infection. The objective of this study was to use dogs as sentinels for multiple vector-borne organisms in order to evaluate the potential for human infection with ...
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Journal articleVet Res · 2007
The purpose of this study was to determine the serological and molecular prevalence of Bartonella spp. infection in a sick dog population from Brazil. At the São Paulo State University Veterinary Teaching Hospital in Botucatu, 198 consecutive dogs with cli ...
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Journal articleJ Vet Intern Med · 2007
BACKGROUND: Ineffective clearance of Ehrlichia canis after doxycycline administration has been reported despite the fact that the recommended treatment for canine ehrlichiosis is doxycycline. The effectiveness of doxycycline in clearing E canis infection f ...
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Journal articleVector Borne Zoonotic Dis · 2007
In the summer of 2006, an Amblyomma americanum tick was removed from a woman in central North Carolina, who subsequently developed a rash at the site of tick attachment. When examined by polymerase chain reaction (PCR) for Borrelia, Anaplasma, Ehrlichia, B ...
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Journal articleJ Clin Microbiol · January 2007
We report here the detection of Bartonella quintana, after putative bite transmission, in pre-enrichment blood cultures from a woman and from two feral barn cats. Prospective molecular epidemiological studies are necessary to characterize the risk of human ...
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Journal articleVet Microbiol · December 20, 2006
One hundred sixty-eight cat sera from Spain were tested for IgG antibodies to Rickettsia conorii (Rc), Ehrlichia canis (Ec), Anaplasma phagocytophilum (Ap) and Bartonella henselae (Bh) antigens using IFA and for FeLV antigen and FIV antibody by ELISA. For ...
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Journal articleEmerg Infect Dis · December 2006
We report serologic and molecular evidence of acute, febrile illness associated with Rickettsia conorii in 3 male Yorkshire terriers from Sicily (Italy). ...
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Journal articleEmerg Infect Dis · December 2006
We provide the first evidence that Bartonella quintana can infect dogs and cause typical signs of endocarditis. Using PCR and sequencing, we identified B. quintana in the blood of a dog from the United States with aortic valve endocarditis and probably als ...
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Journal articleCan Vet J · December 2006
Infectious diseases caused by pathogens transmitted by ticks and other insect vectors are an important cause of morbidity and mortality in both dogs and humans throughout North America. The purpose of this study was to determine the seroprevalence of selec ...
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Journal articleAnn N Y Acad Sci · October 2006
Rocky Mountain spotted fever (RMST) is an important cause of morbidity and mortality in people and dogs in the United States. Disease manifestations are strikingly similar in both species, and illness in dogs can precede illness in people. R. rickettsii ha ...
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Journal articleVet Parasitol · April 15, 2006
Cytauxzoonosis is an emerging tick borne infectious disease of domestic cats in the United States, caused by the organism Cytauxzoon felis (C. felis). In naturally infected domestic cats the disease is almost always fatal. Currently there are no commercial ...
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Journal articleMol Cell Probes · April 2006
Since the isolation of Bartonella vinsonii subspecies berkhoffii from a dog with endocarditis in 1993, this organism has emerged as an important pathogen in dogs and as an emerging pathogen in people. Current evidence indicates that coyotes, dogs and gray ...
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Journal articleJ Wildl Dis · April 2006
Piroplasmosis was first described in raccoons (Procyon lotor) in 1926, and the official description of a small piroplasm as Babesia lotori was done in 1981. Babesia microti-like gene sequences have been characterized in raccoons in both North American and ...
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Journal articleEmerg Infect Dis · March 2006
Among the many mammals infected with Bartonella spp., pets represent a large reservoir for human infection because most Bartonella spp. infecting them are zoonotic. Cats are the main reservoir for Bartonella henselae, B. clarridgeiae, and B. koehlerae. Dog ...
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Journal articleJ Am Vet Med Assoc · February 15, 2006
OBJECTIVE: To describe the demographic and clinical characteristics of feline cytauxzoonosis in the mid-Atlantic states and compare the Cytauxzoon felis 18S rRNA gene sequences from affected cats with sequences reported from affected cats in other regions. ...
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Journal articleAm J Vet Res · February 2006
OBJECTIVE: To examine the correlation between results for an indirect immunofluorescence assay (IFA) that uses Ehrlichia canis antigen as a substrate (ie, E canis-IFA), 2 western blot (WB) analyses, and a commercially available ELISA in the detection of E ...
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Journal articleVet Immunol Immunopathol · January 15, 2006
A carrier state develops in some Ehrlichia canis-infected dogs due to ineffective host defenses. The subsequent development of immune-mediated diseases or opportunistic infections in chronic ehrlichiosis suggests dysregulation of immunity; however, the imm ...
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Journal articleJ Vet Intern Med · 2006
The recommended treatment for canine ehrlichiosis is tetracycline or its analog doxycycline, although recent reports have documented ineffective clearing of Erchlichia canis after doxycycline administration. Imidocarb dipropionate is used as an alternative ...
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Journal articleVet Res · 2006
There is limited information regarding the prevalence of many vector borne pathogens in Europe and especially in Spanish dogs. We investigated 206 sick and 260 clinically healthy dogs from three different regions in northeastern Spain for antibodies to Ric ...
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Journal articleEmerg Infect Dis · December 2005
We identified a Bartonella quintana strain by polymerase chain reaction amplification, cloning, and sequencing of DNA extracted from lysed erythrocytes and cultured colonies grown from peripheral blood collected from a captive-bred cynomolgus monkey (Macac ...
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Journal articleEmerg Infect Dis · December 2005
We report detection of Bartonella henselae DNA in blood samples from 2 harbor porpoises (Phocoena phocoena). By using real-time polymerase chain reaction, we directly amplified Bartonella species DNA from blood of a harbor porpoise stranded along the north ...
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Journal articleAm J Vet Res · December 2005
OBJECTIVE: To assess the potential clinical relevance of seroreactivity to Bartonella henselae antigens in dogs. ANIMALS: 40 dogs seroreactive to B henselae and 45 dogs that did not seroreact to B henselae. PROCEDURE: A case-control study was conducted. Cl ...
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Journal articleJ Mol Diagn · October 2005
Ehrlichia species are the etiological agents of emerging and life-threatening tick-borne human zoonoses, in addition to causing serious and fatal infections in companion animals and livestock. We developed the first tricolor TaqMan real-time polymerase cha ...
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Journal articleJ Am Vet Med Assoc · September 15, 2005
OBJECTIVE: To identify the geographic distribution of babesiosis among dogs in the United States and determine, for dogs other than American Pit Bull Terriers (APBTs), whether infection was associated with a recent dog bite. DESIGN: Retrospective study. AN ...
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Journal articleCan Vet J · September 2005
A 7-year-old Labrador retriever had nonspecific clinical signs that included lethargy, malaise, and difficult ambulation. The dog was native to Vancouver Island, British Columbia, and had never left this area. Morulae were identified in polymorphonuclear c ...
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Journal articleJ Clin Microbiol · August 2005
Isolates of Borrelia turicatae, Borrelia parkeri, and the Florida canine borrelia (FCB) were examined to further phylogenetically characterize the identities of these spirochetes in the United States. DNA sequences of four chromosomal loci (the 16S rRNA ge ...
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Journal articleJ Am Vet Med Assoc · June 15, 2005
A 7-month-old sexually intact male Cocker Spaniel was admitted to the North Carolina State University Veterinary Teaching Hospital for evaluation of lethargy, panting, and excessive salivation that had become progressively severe during a 5-hour period. De ...
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Journal articleJ Clin Microbiol · June 2005
Bacteria of the genus Bartonella, a member of the Alphaproteobacteria, are fastidious, gram-negative, aerobic bacilli that comprise numerous species, subspecies, and subtypes. In human and veterinary medicine, species isolation remains a vital component of ...
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Journal articleJ Clin Microbiol · May 2005
Infection with a Bartonella species was implicated in three cases of epistaxis in dogs, based upon isolation, serology, or PCR amplification. These cases, in conjunction with previously published reports, support a potential role for Bartonella spp. as a c ...
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Journal articleJ Clin Microbiol · March 2005
PCR targeting the 16S-23S rRNA gene intergenic transcribed spacer (ITS) region has been proposed as a rapid and reliable method for the detection of Bartonella species DNA in clinical samples. Because of variation in ITS sequences among Bartonella species, ...
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Journal articleJ Mol Microbiol Biotechnol · 2005
Bacteriophages enhance bacterial survival, facilitate bacterial adaptation to new environmental conditions, assist in the adaptation to a new host species, and enhance bacterial evasion or inactivation of host defense mechanisms. We describe the detection ...
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Journal articleVector Borne Zoonotic Dis · 2005
Lyme disease is the most frequently reported human vector-associated disease in the United States. Infection occurs after the bite of an Ixodid tick that is infected with Borrelia burgdorferi. Dogs have often been reported to serve as effective sentinel an ...
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Journal articleJ Am Vet Med Assoc · November 1, 2004
OBJECTIVE: To compare seroprevalences of antibodies against Bartonella henselae and Toxoplasma gondii and fecal shedding of Cryptosporidium spp, Giardia spp, and Toxocara cati in feral and pet domestic cats. DESIGN: Prospective cross-sectional serologic an ...
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Journal articleVet Parasitol · October 5, 2004
Babesia canis has generally been considered the only large Babesia to infect dogs. Here we describe the molecular characterization of a large Babesia species that was detected in the blood and bone marrow of a dog with clinical and hematological abnormalit ...
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Journal articleJ Feline Med Surg · October 2004
Objectives of this study were to determine prevalence of infection in feral cats in Northern Florida with a select group of infectious organisms and to determine risk factors for infection. Blood samples or sera from 553 cats were tested with a panel of an ...
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Journal articleJ Am Vet Med Assoc · September 15, 2004
Anaplasma phagocytophilum DNA was detected in blood of clinically ill cats from Massachusetts (n = 4) and Connecticut (1) by use of polymerase chain reaction assay and DNA sequencing. All 5 cats were allowed outdoors, and Ixodes scapularis were found on 3 ...
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Journal articleAm J Vet Res · September 2004
OBJECTIVE: To determine the prevalence of stray dogs in eastern Tennessee seropositive to Ehrlichia canis and examine the correlation between results for an ELISA, indirect immunofluorescent antibody (IFA) test, and polymerase chain reaction (PCR) assay. S ...
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Journal articleVector Borne Zoonotic Dis · 2004
Lyme disease is the most frequently reported human vector-associated disease in the United States. Infection occurs after the bite of an Ixodid tick that is infected with Borrelia burgdorferi. Dogs have often been reported to serve as effective sentinel an ...
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Journal articleJ Vet Med Educ · 2004
A retrospective study was conducted to describe the development and evolution of the combined internal medicine/PhD program, the Clinician Investigator (CI) Program, at North Carolina State University. Separate survey instruments were developed for individ ...
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Journal articleVet Radiol Ultrasound · 2004
Two dogs with testicular swelling were sonographically diagnosed with orchitis and were subsequently diagnosed with Rocky Mountain spotted fever (RMSF). Use of both gray scale and color Doppler sonography allowed for differentiation of orchitis from neopla ...
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Journal articleJ Am Anim Hosp Assoc · 2004
Nineteen dogs from Greece with chronic ehrlichiosis were studied. The dogs exhibited bicytopenia or pancytopenia, bone marrow hypoplasia, seroreactivity to Ehrlichia canis (E. canis) antigens, and had no history of drug or radiation exposure. Anorexia, dep ...
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Journal articleJ Vet Intern Med · 2004
Babesiosis caused by Babesia gibsoni (Asian genotype) is an emerging disease in dogs in the United States. To date, no drugs have been shown to eliminate B. gibsoni (Asian genotype) infections from dogs. Twenty-two dogs that remained persistently infected ...
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Journal articleJ Am Anim Hosp Assoc · 2004
Bartonella vinsonii (B. vinsonii) subspecies berkhoffii is a recently recognized cause of endocarditis, myocarditis, and granulomatous disease in dogs. In an effort to elucidate other potential disease manifestations, the case records of 24 dogs that were ...
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Journal articleJ Vet Intern Med · 2004
The presence of antinuclear antibodies (ANAs) is used to support a clinical diagnosis of systemic lupus erythematosus (SLE) in dogs. However, clinicians must interpret the detection of ANAs with caution, particularly in light of increasing evidence that do ...
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Journal articleVet Res · 2004
In contrast to the large body of literature regarding Bartonella henselae in humans and cats, there is little information about B. henselae as an infectious agent in dogs. Due to the paucity of information regarding the B. henselae serology in dogs, we per ...
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Journal articleVet Ophthalmol · December 2003
A 2-year old, neutered, female spaniel mixed breed was referred to the North Carolina State University Veterinary Teaching Hospital for evaluation of bilateral anterior uveitis. The dog was febrile and, in addition to anterior uveitis, multifocal hyporefle ...
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Journal articleJ Am Vet Med Assoc · November 1, 2003
A 12-year-old castrated male West Highland White Terrier was referred because of recurrent episodes of collapsing. The dog was mildly anemic and severely thrombocytopenic and had high serum alanine aminotransferase activity. Infection with Bartonella vinso ...
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Journal articleJ Clin Microbiol · November 2003
A Capnocytophaga sp. was inadvertently isolated from a cat with chronic sinusitis and rhinitis when cytopathic effects were observed in Crandall-Reese feline kidney cells that had been inoculated with oropharyngeal swab samples. Although Capnocytophaga spp ...
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Journal articleCompendium on Continuing Education for the Practicing Veterinarian · October 1, 2003
Increasing evidence indicates that tick infestation can result in the transmission of a broad spectrum of bacterial and protozoal organisms to dogs. Anaplasma, Babesia, Bartonella, Borrelia, Coxiella, Ehrlichia, Hepatozoon, and Rickettsia species are the m ...
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Journal articleJ Clin Microbiol · September 2003
Canine babesiosis has recently been recognized as an emerging infectious disease of dogs in North America. We sought to develop a seminested PCR to detect and differentiate Babesia gibsoni (Asian genotype), B. canis subsp. vogeli, B. canis subsp. canis, an ...
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Journal articleJ Vet Diagn Invest · July 2003
Bartonella vinsonii subspecies berkhoffii is a recently recognized zoonotic pathogen that causes endocarditis, granulomatous rhinitis, and granulomatous lymphadenitis in dogs. Isolation of B. vinsonii (berkhoffii) from blood or tissue samples is frequently ...
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Journal articleClin Diagn Lab Immunol · July 2003
Canine monocytic ehrlichiosis, caused by Ehrlichia canis or Ehrlichia chaffeensis, can result in clinical disease in naturally infected animals. Coinfections with these agents may be common in certain areas of endemicity. Currently, a species-specific meth ...
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Journal articleAnn N Y Acad Sci · June 2003
Bartonella spp. are emerging vector-borne pathogens that cause persistent, often asymptomatic bacteremia in their natural hosts. As our knowledge progresses, it appears that chronic infection may actually predispose the host to mild, insidious nonspecific ...
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Journal articleJ Am Vet Med Assoc · April 15, 2003
OBJECTIVE: To determine historical, physical examination, hematologic, and serologic findings in dogs with Ehrlichia ewingii infection. DESIGN: Retrospective study. ANIMALS: 15 dogs. PROCEDURE: In all dogs, infection with E ewingii was confirmed with a pol ...
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Journal articleJ Am Vet Med Assoc · April 1, 2003
A 2.5-year-old spayed female German Shepherd Dog was referred for evaluation of progressive anemia, lethargy, and weight loss. Seventeen days earlier, the dog had received a whole blood transfusion to manage hemorrhage after ovariohysterectomy. Mild fever, ...
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Journal articleJ Am Anim Hosp Assoc · 2003
The medical records of 39 dogs with acute nontraumatic hemoabdomen were identified and reviewed. Anemia and hypoalbuminemia were identified in 36/37 (97%) and 25/33 (76%) dogs, respectively. Coagulopathies were identified in 26/31 (84%) dogs. When a defini ...
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Journal articleJ Am Vet Med Assoc · January 1, 2003
A 4-year-old Basset Hound and a 6-year-old Doberman Pinscher were referred for diagnostic evaluation following documentation of persistently increased hepatic enzyme activities and hepatic dysfunction. Histologic evaluation of hepatic biopsy specimens from ...
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Journal articleJ Am Anim Hosp Assoc · 2003
Stray dogs (n=359) and kennel dogs (n=149) from North Carolina were tested for evidence of antiBabesia antibodies. AntiBabesia antibodies were detected in 21/359 and 22/149 of the stray and kennel dogs, respectively. A total of 57 dogs from both groups wer ...
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Journal articleEmerg Infect Dis · December 2002
A naturally occurring infection of Ehrlichia chaffeensis in lemurs is described. DNA of Ehrlichia chaffeensis was identified by polymerase chain reaction in peripheral blood from six of eight clinically ill lemurs. Organisms were cultured from the blood of ...
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Journal articleJ Clin Microbiol · December 2002
Bartonella henselae or Bartonella elizabethae DNA from EDTA-anticoagulated blood samples obtained from four dogs was amplified and sequenced. The results showed that B. elizabethae should be added to the list of Bartonella species (i.e., B. vinsonii subsp. ...
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Journal articleInt J Syst Evol Microbiol · November 2002
A variety of genes and analytical methods have been applied to the study of phylogenetic relationships within the genus Bartonella, but so far the results have been inconsistent. While previous studies analysed single protein-encoding genes, we have analys ...
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Journal articleJ Clin Microbiol · November 2002
Tritrichomonas foetus, a venereal pathogen of cattle, was recently identified as an inhabitant of the large intestine in young domestic cats with chronic diarrhea. Recognition of the infection in cats has been mired by unfamiliarity with T. foetus in cats ...
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Journal articleAm J Vet Res · October 2002
OBJECTIVE: To determine whether Haemobartonella canis and Mycoplasma haemofelis (formerly known as H felis [large form]) can be differentiated by use of comparative analysis of gene sequences. SAMPLE POPULATION: Blood samples obtained from 3 dogs infected ...
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Journal articleJ Clin Microbiol · September 2002
We determined the value of four serological assays for the diagnosis of canine monocytic ehrlichiosis by comparing them to the indirect fluorescent-antibody assay "gold standard." The specificity of Dip-S-Ticks was significantly lower than that of all of t ...
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Journal articleJ Am Vet Med Assoc · May 1, 2002
A 3-year-old spayed female Whippet was examined for cough and respiratory distress. Lung lobe torsion with pleural effusion was diagnosed, and lung lobectomy was performed. Pleural effusion recurred during the following 27 months; conventional bacteriologi ...
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Journal articleJ Vet Intern Med · 2002
Currently, the pathogenic role of Ehrlichia canis in cats has been proposed predominantly on the basis of the serologic evidence of natural infection and the infrequent detection of morulae-like structures within the cytoplasm of leukocytes in cats. The pu ...
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Journal articleJ Vet Intern Med · 2002
Within the past several decades, the number of Ehrlichia spp. recognized to infect cats, dogs, and human beings has expanded substantially. The recent application of advanced techniques in molecular biology has changed how ehrlichiosis is diagnosed and has ...
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Journal articleJ Vet Intern Med · 2002
Although endemic throughout much of the world, autochthonous visceral leishmaniasis has been reported on only 3 previous occasions in North America. After diagnosis of visceral leishmaniasis in 4 foxhounds from a kennel in Dutchess County, New York (index ...
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Journal articleVet Radiol Ultrasound · 2002
p-[18F]Fluorobenzylguanidine ([18F]PFBG) is a norepinephrine analog that has been developed as a positron emission tomography (PET) imaging radiopharmaceutical. Myocardial sympathetic innervation, neuroendocrine structures, and tumors can be noninvasively ...
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Journal articleVet Immunol Immunopathol · December 2001
Following natural infection with Bartonella, dogs and humans develop comparable disease manifestations including endocarditis, peliosis hepatis, and granulomatous disease. As the immunologic response to infection in these hosts has not been clearly establi ...
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Journal articleJ Clin Microbiol · December 2001
We have encountered a previously unrecognized specificity problem when using the small-subunit ribosomal DNA (16S rDNA)-based PCR primers recommended for use in the identification of Ehrlichia equi in clinical samples. These PCR primers annealed to E. plat ...
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Journal articleAm J Vet Res · November 2001
OBJECTIVE: To determine whether infection with Tritrichomonas foetus causes diarrhea in specific-pathogen-free or Cryptosporidium coinfected cats. ANIMALS: 4 cats with subclinical cryptosporidiosis (group 1) and 4 specific-pathogen-free cats (group 2). PRO ...
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Journal articleJ Clin Microbiol · July 2001
The major antigenic protein 2 (MAP2) of Ehrlichia canis was cloned and expressed. The recombinant protein was characterized and tested in an enzyme-linked immunosorbent assay (ELISA) format for potential application in the serodiagnosis of canine monocytic ...
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Journal articleJ Am Vet Med Assoc · April 1, 2001
OBJECTIVE: To determine whether the geographic distribution of deer ticks (Ixodes scapularis) was associated with the distribution of dogs seropositive for various tick-transmitted disease organisms (ie, Borrelia burgdorferi, Rickettsia rickettsii, the hum ...
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Journal articleVeterinary Technician · April 1, 2001
Tick-borne diseases pose an increasing threat to companion animals, and two of these diseases - canine ehrlichiosis and Lyme disease - have the focus of various research projects. When a decision is made to test a dog for exposure to the agents of ehrlichi ...
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Journal articleJ Clin Microbiol · March 2001
Very recently, Bartonella organisms have been isolated from large ruminants (deer, elk, and dairy and beef cattle) located in the United States and in France. In this study, we report the serologic, microbiologic, and molecular findings related to the isol ...
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Journal articleTrends Parasitol · February 2001
Tick-transmitted infections are an emerging problem in dogs. In addition to causing serious disease in traditional tropical and semi-tropical regions, they are now increasingly recognized as a cause of disease in dogs in temperate climates and urban enviro ...
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Journal articleJ Vet Intern Med · 2001
Forty-nine dogs from Thailand were evaluated for serologic evidence of exposure or polymerase chain reaction (PCR) evidence of infection with vectorborne pathogens, including Ehrlichia sp. (Ehrlichia canis, Ehrlichia chaffeensis, Ehrlichia equi, and Ehrlic ...
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Journal articleJ Clin Microbiol · January 2001
Ehrlichia canis causes a potentially fatal rickettsial disease of dogs that requires rapid and accurate diagnosis in order to initiate appropriate therapy leading to a favorable prognosis. We recently reported the cloning of two immunoreactive E. canis pro ...
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Journal articleJ Clin Microbiol · January 2001
As part of a larger study to investigate tick-borne infections in dogs from Thailand and Venezuela, documentation of coinfection with three Ehrlichia species in two dogs, one from each country, became the focus of the present study. Although neither dog ha ...
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Journal articleInfect Immun · January 2001
Bartonella henselae is known to cause central nervous system (CNS) disease in humans, and neurological signs have been observed in experimentally infected cats. However, the pathogenesis of CNS disease remains unclear. This study was undertaken to determin ...
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Journal articleJ Am Anim Hosp Assoc · 2001
Rocky Mountain spotted fever (RMSF) was diagnosed in 30 dogs examined at North Carolina State University, Veterinary Teaching Hospital between 1984 and 1997. Historical, physical examination, and laboratory abnormalities were reviewed. Diagnostic criteria ...
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Journal articleJ Clin Microbiol · November 2000
Bartonella vinsonii subsp. berkhoffii was originally isolated from a dog suffering infectious endocarditis and was recently identified as a zoonotic agent causing human endocarditis. Following the coyote bite of a child who developed clinical signs compati ...
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Journal articleClin Microbiol Rev · July 2000
Recent observations have begun to support a role for Bartonella spp. as animal as well as human pathogens. Bartonella spp. are vector-transmitted, blood-borne, intracellular, gram-negative bacteria that can induce prolonged infection in the host. Persisten ...
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Journal articleVet Immunol Immunopathol · June 30, 2000
Until recently, it was presumed that Bartonella vinsonii only infected voles, a species of North American rodents. In April of 1993, however, our laboratory isolated a novel subspecies of B. vinsonii (B. vinsonii subsp. berkhoffii) from the blood of a dog ...
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Journal articleJ Clin Microbiol · May 2000
Five species of Bartonella have been reported to infect humans and cause a variety of diseases that can be difficult to diagnose. Four species of Bartonella have been reported to infect cats and dogs, and two of these species are considered to be zoonotic ...
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Journal articleJ Feline Med Surg · March 2000
Bartonella spp antibodies were measured in the serum and aqueous humour of cats with and without uveitis and polymerase chain reaction (PCR) for Bartonella spp DNA was performed on aqueous humour from most of the cats. Serum and aqueous humour were assayed ...
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Journal articleJ Am Vet Med Assoc · February 15, 2000
A 6-year-old spayed female Golden Retriever was examined because of generalized weakness and abdominal distention. Abdominal ultrasonography revealed a large quantity of peritoneal fluid. In addition, the liver appeared larger than normal and contained mul ...
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Journal articleJ Vet Intern Med · 2000
Ehrlichia canis, E. equi, and E. risticii seroprevalence was determined by microimmunofluorescent antibody testing (IFA) in a sequential population of 1,845 sick dogs admitted during a 1-year period to the North Carolina State University Veterinary Teachin ...
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Journal articleJ Vet Intern Med · 2000
Shortly after removal of an engorged tick from the left ear, a 4-year-old Greyhound was referred for evaluation of fever and a rapidly enlarging mass in the region of the left submandibular lymph node. Histopathologic evaluation of the lymph node resulted ...
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Journal articleJ Wildl Dis · January 2000
Serum samples from 28 free-ranging Florida panthers (Puma concolor coryi) and seven mountain lions from Texas (P. concolor stanleyana) living in south Florida (USA) between 1997 to 1998 were tested for antibodies to Bartonella henselae. Twenty percent (7/3 ...
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Journal articleJ Am Vet Med Assoc · January 1, 2000
Membranoproliferative glomerulonephropathy was diagnosed in 5 of 7 adult Beagles from the same litter. Dogs were raised in more than 1 area of the United States. One died without evidence of renal disease when it was 3 years old. At 8 years of age, 2 dogs ...
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Journal articleJ Am Vet Med Assoc · November 15, 1999
OBJECTIVE: To establish clinical features, course of illness, and treatment outcome of cats with diarrhea and concurrent infection with Trichomonas organisms. Prevalence of fecal trichomonads in a geographically comparable population of healthy indoor and ...
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Journal articleJ Clin Microbiol · November 1999
Cardiac arrhythmias, endocarditis, or myocarditis was identified in 12 dogs, of which 11 were seroreactive to Bartonella vinsonii subspecies berkhoffii antigens. Historical abnormalities were highly variable but frequently included substantial weight loss, ...
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Journal articleJ Infect Dis · September 1999
We examined the clinical and laboratory findings of a consecutive series of patients from central North Carolina presenting with fever and a history of tick bite within the preceding 14 days. Evidence of a tick-transmitted pathogen was detected in 16 of 35 ...
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Journal articleJ Clin Microbiol · August 1999
Both dogs and humans can be coinfected with various Ehrlichia, Bartonella, Rickettsia, and Babesia species. We investigated a kennel of sick Walker Hounds and their owners in southeastern North Carolina for evidence of tick-borne infections and associated ...
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Journal articleJ Clin Microbiol · May 1999
Human Bartonella infections result in diverse medical presentations, whereas many cats appear to tolerate chronic bacteremia without obvious clinical abnormalities. Eighteen specific-pathogen-free cats were inoculated with Bartonella henselae- and/or Barto ...
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Journal articleAntimicrob Agents Chemother · April 1999
Dogs were experimentally inoculated with Rickettsia rickettsii (canine origin) in order to compare the efficacies of azithromycin and trovafloxacin to that of the current antibiotic standard, doxycycline, for the treatment of Rocky Mountain spotted fever. ...
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Journal articleJ Vet Intern Med · 1999
The purpose of this retrospective study is to report the clinical signs, clinicopathological findings, and response to therapy of 62 dogs from North Carolina and Virginia. Ehrlichiosis was diagnosed in all of these dogs, and previous retrospective studies ...
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Journal articleJ Am Anim Hosp Assoc · 1999
The recognition of canine babesiosis in North Carolina caused by Babesia gibsoni documents the expansion of the previously reported endemic area of this disease. Clinical signs ranged from severe hemolytic anemia and thrombocytopenia to subclinical infecti ...
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Journal articleJ Am Anim Hosp Assoc · 1999
Antiplatelet antibodies were detected in the sera of dogs with naturally occurring and experimentally induced Rickettsia rickettsii and Ehrlichia canis infections. This is the first known report documenting elevated platelet-associated immunoglobulin (PAIg ...
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Journal articleJ Clin Microbiol · September 1998
Historically, disease manifestations in dogs seroreactive to Ehrlichia canis antigens by indirect immunofluorescent antibody testing have been attributed to infection with either E. canis or Ehrlichia ewingii. A 1996 study by Dawson and colleagues provided ...
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Journal articleAntimicrob Agents Chemother · February 1998
Dogs were experimentally inoculated with Ehrlichia canis Florida to assess the efficacy of doxycycline hyclate for the treatment of acute ehrlichiosis. Treatment with doxycycline eliminated infection in eight of eight dogs. Untreated infected control dogs ...
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Journal articleVet Parasitol · January 31, 1998
Antibody reactivity against seven bacterial or protozoal pathogens was measured in sera derived from 40 dogs suspected of a tick-borne disease. Sera from 73% (29/40) of the dogs reacted with three or more test antigens. Seroreactivity was most prevalent to ...
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Journal articleVet Clin Pathol · 1998
Peripheral blood and lymph node tissue from 12 dogs with lymphoma was immunophenotyped. Additionally, the bone marrow was immunophenotyped in 6 dogs. The lymphomas were characterized as B-cell in 11 dogs and T-cell in 1 dog. Immunophenotypic patterns in th ...
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Journal articleEmerg Infect Dis · 1998
We monitored by blood culture and immunofluorescence assay (IFA) bartonella infection in one dog and eight cats in a household to determine the prevalence and persistence of the infection as well as its transmissibility to humans. Ectoparasite control was ...
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Journal articleJ Vet Intern Med · 1998
Medical records of 3 dogs from North Carolina and 3 dogs from Virginia with ehrlichial morulae in circulating neutrophils were studied retrospectively. Two clinically distinct disease syndromes, including chronic, moderate to severe anemia (n = 3) and poly ...
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Journal articleEmerg Infect Dis · 1998
Well-documented cases of simultaneous human infection with more than one tick-borne pathogen are rare. To our knowledge only two dual infections have been reported: simultaneous human infection with the agent of human granulocytic ehrlichiosis and Borrelia ...
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Journal articleAntimicrob Agents Chemother · November 1997
Enrofloxacin and doxycycline are antimicrobial agents used to treat bacterial diseases of cats. In vitro susceptibility data indicate that either drug should be effective against Bartonella species. In vivo efficacies of these drugs for eradication of chro ...
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Journal articleJ Clin Microbiol · July 1997
Shortly after adopting a 6-week-old cat, a veterinarian was bitten on the left index finger. Within 3 weeks, he developed headache, fever, and left axillary lymphadenopathy. Initial blood cultures from the cat and veterinarian were sterile. Repeat cultures ...
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Journal articleAm J Vet Res · May 1997
OBJECTIVES: To determine seroprevalence to Bartonella vinsonii subsp berkhoffii in a population of sick dogs from North Carolina and Virginia and to evaluate potential risk factors associated with increased likelihood of exposure to the organism. SAMPLE PO ...
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Journal articleAm J Vet Res · May 1997
OBJECTIVES: To determine persistence of bacteremia, pathogenicity, and immunoglobulin kinetics after blood transmission of Bartonella henselae in cats. ANIMALS: 18 specific-pathogen-free (SPF) cats (16 weeks old) received blood or urine from 4 adult cats ( ...
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Journal articleVet Radiol Ultrasound · 1997
Sixteen beagle dogs were injected intradermally with Rickettsia rickettsii. The dogs were divided into four groups (n = 4): 1) infected, non-treated control; 2) infected, treated with doxycycline; 3) infected, treated with doxycycline and an anti-inflammat ...
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Journal articleJ Vet Intern Med · 1997
The objective of this study was to evaluate retrospectively demographic and clinicopathologic factors that may be associated with the diagnosis and outcome of acute renal failure (ARF) in dogs presented to a large referral hospital. Medical records of dogs ...
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Journal articleJ Vet Diagn Invest · January 1997
Historically, considerable variation has been reported in the type and severity of clinical and hematologic abnormalities associated with canine ehrlichiosis. Because of difficulties associated with the isolation of intracellular monocytic Ehrlichia specie ...
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Journal articleAntimicrob Agents Chemother · January 1997
Dogs were experimentally inoculated with Rickettsia rickettsii to determine if anti-inflammatory or immunosuppressive dosages of prednisolone, when administered in conjunction with an antirickettsial antibiotic (doxycycline), induced therapeutically releva ...
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Journal articleInt J Syst Bacteriol · July 1996
Two bacterial strains, one isolated from the blood of a dog with valvular endocarditis and one isolated from the blood of a healthy dog, were similar to Bartonella species, as determined by a number of phenotypic criteria, including growth characteristics, ...
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Journal articleVet Microbiol · May 1996
Bartonella henselae, the predominant cause of cat scratch disease, and Bartonella quintana, the cause of trench fever, are closely related Bartonella species that induce cross-reactivity when cat or human sera are tested using an indirect immunofluorescenc ...
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Journal articleAm J Vet Res · April 1996
OBJECTIVE: To characterize the pathogenic potential of a unique Borrelia isolate obtained from a dog from Florida (FCB isolate). DESIGN: Prospective experimental infection. ANIMALS: 32 preweanling Swiss Webster mice and 12 adult male Hartley guinea pigs we ...
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Journal articleJ Clin Microbiol · December 1995
Recent evidence supports a causal relationship between Bartonella (Rochalimaea) henselae, cat-scratch disease (CSD), and bacillary angiomatosis. Cats appear to be the primary reservoir. Blood from 19 cats owned by 14 patients diagnosed with CSD was culture ...
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Journal articleJ Am Vet Med Assoc · July 1, 1995
An unusual pattern of seroreactivity to antigens of rickettsial organisms (Rickettsia rickettsii, R rhipicephali, R montana, and R bellii), particularly to R bellii antigen, was detected in 3 dogs during a 2-month period. Thus, studies were initiated to cl ...
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Journal articleJ Clin Microbiol · June 1995
Recent reports in the medical literature emphasize the risk of zoonotic disease and the high degree of prevalence of asymptomatic feline infection with Bartonella (Rochalimaea) henselae. While investigating Bartonella bacteremia in cats, we used transmissi ...
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Journal articleJ Am Vet Med Assoc · April 1, 1995
A 2-year-old spayed female Shetland Sheepdog had recurrent episodes of discolored urine. Treatments administered for presumed urinary tract infection did not prevent recurrence. Episodes of pigmenturia appeared to correlate with stressful situations or exc ...
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Journal articleJ Vet Intern Med · 1995
Glomerulonephritis (GN) is a leading cause of chronic renal failure in dogs. However, little is known about the efficacy of available treatment options for GN in this species. The purpose of this study was to determine the effects of cyclosporine (Cy) admi ...
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Journal articleJ Am Anim Hosp Assoc · 1995
Hypercalcemia was found in a dog examined for episodic weakness and disorientation. A right adrenal mass identified on abdominal ultrasonographic examination was diagnosed as a pheochromocytoma based on increased 1231-metaiodobenzylguanidine uptake and cha ...
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Journal articleJ Clin Microbiol · January 1995
Vegetative valvular endocarditis involving the aortic and, to a lesser extent, mitral valves was diagnosed echocardiographically in a 3-year-old spayed female Labrador retriever. Historically, the dog had been treated with tetracycline hydrochloride and pr ...
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Journal articleComp Biochem Physiol A Physiol · December 1994
Skeletal muscle and fibroblast biopsies obtained from a normal dog and an old English sheep dog with exertional myopathy and lactic acidosis were examined for mitochondrial enzyme activities and mitochondrially coded mRNAs. The fibroblast cultures of the a ...
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Journal articleJ Clin Microbiol · February 1994
Spirochetemia is a rarely reported observation in dogs. We describe the clinical, hematologic, and immunodiagnostic features of two spirochetemic dogs from northern Florida and the subsequent isolation and preliminary characterization of a Borrelia species ...
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Journal articleJ Vet Intern Med · 1994
An 11-year-old castrated male mixed breed dog was referred for evaluation of muscle twitching, polyuria, polydipsia, anorexia, and periocular alopecia. Primary hypoparathyroidism was diagnosed by documenting decreased serum concentrations of parathyroid ho ...
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Journal articleJ Vet Intern Med · 1994
Ten percent (214/2,059) of all dogs with cancer at North Carolina State University Veterinary Teaching Hospital had thrombocytopenia. The thrombocytopenia was associated with infectious/inflammatory etiologies in 4%, miscellaneous disorders (therapy, bone ...
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Journal articleAm J Trop Med Hyg · January 1994
A polymerase chain reaction (PCR) for amplifying ribosomal DNA of Rickettsia rickettsii was performed on blood clots and urine samples from 10 patients with suspected Rocky Mountain spotted fever (RMSF) and five controls with nonrickettsial diseases. The r ...
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Journal articleJournal of the American Animal Hospital Association · December 1, 1993
Acute renal failure secondary to membranous glomerulopathy was diagnosed in a dog with retrobulbar cellulitis. Renal function deteriorated rapidly during a period of approximately 72 hours. The historical progression of illness, laboratory findings, and li ...
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Journal articleJ Am Vet Med Assoc · September 1, 1993
The medical records of 101 dogs with acute pancreatitis, diagnosed on the basis of medical histories of acute vomiting, with serum lipase or amylase activity greater than the reference range, or with gross signs of pancreatitis at surgery or histopathologi ...
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Journal articleAm J Trop Med Hyg · August 1993
Although Brazilian spotted fever is known to occur in several adjacent states, infection with spotted fever group (SFG) rickettsiae has not previously been documented in the Brazilian state of Espirito Santo. We report a cluster of two proven and four susp ...
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Journal articleVeterinary Radiology Ultrasound · January 1, 1993
A 13‐year‐old neutered female Yorkshire terrier presented with a history of progressive episodic weakness and disorientation of 4 months duration. Physical and neurologic examinations were normal at presentation. Abdominal ultrasound revealed a mass involv ...
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Journal articleJ Vet Intern Med · 1993
The prevalence of feline thrombocytopenia (< 200,000 platelets/microL) at North Carolina State University, College of Veterinary Medicine Teaching Hospital, from January 1985 to March 1990, was 1.2% (41/3300). Cats were divided into six categories based on ...
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Journal articleJ Vet Intern Med · 1993
Visceral leishmaniasis was diagnosed by cytology and positive indirect immunofluorescent antibody titers to Leishmania donovani in a 7-month-old female Basenji dog from Texas. Clinical and laboratory findings included weight loss, hematochezia, hyperglobul ...
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Journal articleAm J Vet Res · January 1993
Indirect immunofluorescent antibody (IFA), latex agglutination (LA), and enzyme immunoassay (EIA) methods were compared for evaluation of the serum antibody responses of dogs experimentally and naturally exposed to spotted fever-group rickettsiae. Selected ...
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Journal articleJ Am Vet Med Assoc · September 1, 1992
Two Old English Sheepdog littermates were evaluated for weakness that developed during periods of minimally intense exercise. Lactic acidosis accompanied by increased muscle enzyme activity, an increased lactate/pyruvate ratio, and increased venous PO2 sup ...
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Journal articleAm J Vet Res · February 1992
The effects of 3 experimental diets that varied only in the source of dietary protein (ie, poultry, cereal, red meat) were compared in Basenjis (n = 8) with immunoproliferative enteropathy and healthy Beagles (n = 8). Significant differences in fecal chara ...
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Journal articleJ Am Vet Med Assoc · January 1, 1992
An indirect fluorescent antibody test was used to serologically survey Greyhounds from 10 kennels that are part of the racing Greyhound industry in Florida. Age of dogs ranged from 11 months to 11 years. Additionally, 50 adult non-Greyhound pet dogs were c ...
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Journal articleVet Hum Toxicol · December 1991
Zinc may be extremely toxic when absorbed from a metallic foreign body retained in the stomach. The most common cause of zinc toxicosis in dogs appears associated with accidental ingestion of copper-coated zinc pennies minted after 1982. In a retrospective ...
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Journal articleAntimicrob Agents Chemother · November 1991
Dogs were experimentally inoculated with Rickettsia rickettsii to characterize the comparative efficacies of chloramphenicol, enrofloxacin, and tetracycline for the treatment of Rocky Mountain spotted fever (RMSF). All three antibiotics were equally effect ...
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Journal articleJ Am Vet Med Assoc · September 15, 1991
Rostral and middle cranial fossa tumors affecting the optic chiasm and resulting in acute visual deficits were diagnosed in 7 dogs and 1 cat. Blindness and dilated nonresponsive pupils were the primary signs in all animals. Other concurrent neurologic defi ...
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Journal articleJ Am Vet Med Assoc · February 1, 1991
Three weeks after initiation of griseofulvin treatment for dermatophytosis (40 mg/kg of body weight, q 12 h), an 8-yr-old domestic shorthair cat developed depression, vomiting, and pyrexia. Abnormalities found during physical examination included bilateral ...
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Journal articleJ Vet Intern Med · 1991
Intrahepatic postsinusoidal obstruction, similar to congenital Budd-Chiari syndrome in human patients, was diagnosed in a young Basenji dog. Sonographic, radiographic, and manometric studies were used in antemortem localization of this unusual functional l ...
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Journal articleVet Clin Pathol · 1991
Thrombocytopenia was documented in 987 of 18,910 (5.2%) dogs admitted to North Carolina State University, College of Veterinary Medicine, Veterinary Teaching Hospital, between 1983 and 1989. Classifying thrombocytopenic dogs by etiologic groups revealed th ...
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Journal articleJ Vet Intern Med · 1991
Gastric acid secretion was studied in 13 Basenji dogs with immunoproliferative enteropathy. Considerable variation in the severity of gastritis and enteritis existed among dogs. Basenji dogs were categorized into two groups on the basis of postmortem gastr ...
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Journal articleJ Am Vet Med Assoc · August 15, 1990
Early in life, Walker Hound pups from several litters, later determined to have peroneal and tibial neuropathy, had been given supplements of either evaporated milk and corn syrup mixed with well water or powdered bitch milk formula mixed with well water. ...
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Journal articleAm J Vet Res · August 1990
The kinetics of specific IgM and IgG antibody response was characterized in four 9-month-old Beagles after inoculation of 2 x 10(2) plaque-forming units (PFU) of Sheila Smith strain of Rickettsia rickettsii. Immunoglobulin M antibodies were first detected ...
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Journal articleVet Clin Pathol · 1990
Platelet aggregation studies were performed on nine Beagle dogs experimentally infected with Rickettsia rickettsia. Platelets from dogs with Rocky Mountain spotted fever tended to be more aggregable than controls. ...
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Journal articleAm J Vet Res · January 1990
The vascular permeability of the ocular fundus, alterations in the coagulation system, and plasma concentrations of thromboxane B2 (TXB2) and 6-keto-prostaglandin F1 alpha (6-keto-PGF1 alpha) were studied in dogs following intradermal inoculation with 5 x ...
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Journal articleJ Am Vet Med Assoc · March 15, 1989
Dogs were examined ophthalmoscopically to determine the prevalence and type of ocular lesions associated with naturally acquired Rocky Mountain spotted fever (RMSF). In a consecutive series of 11 dogs with serologically confirmed RMSF, 9 had ocular involve ...
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Journal articleJ Vet Intern Med · 1989
Direct immunofluorescence reaction for Rickettsia rickettsii was performed on formalin-fixed, paraffin-embedded cutaneous biopsy specimens collected from dogs with experimental Rocky Mountain spotted fever (RMSF). A technique of trypsin digestion of depara ...
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Journal articleVet Immunol Immunopathol · December 1988
Immunoglobulin isotypes in serum and intestinal secretions of Basenji dogs with chronic diarrhea, asymptomatic Basenji dogs, and healthy control dogs were quantitated and their molecular sizes characterized to detect alpha-chain, gamma-chain, or mu-chain f ...
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Journal articleAm J Vet Res · June 1988
Adult Beagles were used to evaluate clinical signs and serologic response after inoculation with, or exposure to, Borrelia burgdorferi. An indirect immunofluorescent assay (IFA) and 2 ELISA were used to monitor the serologic response to B burgdorferi. Feed ...
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Journal articleJ Am Vet Med Assoc · May 15, 1988
Zollinger-Ellison syndrome and myelofibrosis were diagnosed concurrently in a 10-year-old neutered female Brittany Spaniel. Documentation of gastric ulceration, hypergastrinemia, and gastrin-secreting islet cell tumor with splenic metastases facilitated th ...
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Journal articleJ Clin Microbiol · April 1988
Immunoblots were used to study the immunoglobulin G response to Borrelia burgdorferi in experimentally and naturally exposed dogs. Adsorption studies confirmed that the antibodies were specific for B. burgdorferi. Experimentally exposed dogs were asymptoma ...
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Journal articleAm J Vet Res · April 1988
An indirect immunofluorescence assay was used to detect antibodies against Borrelia burgdorferi in sera from 600 dogs in 1983 and 402 dogs in 1985. In 1983, the overall prevalence rate of dogs with B burgdorferi titers greater than or equal to 1:64 was 3.6 ...
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Journal articleJ Vet Intern Med · 1988
Antibodies to Ehrlichia canis, Ehrlichia platys, and spotted fever group (SFG) rickettsiae were detected by indirect immunofluorescence in sera from 27 ill individually owned thrombocytopenic dogs (platelet concentrations less than 200,000 platelets/microl ...
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Journal articleAm J Vet Res · January 1988
Female Beagles were inoculated intradermally with a sublethal dose of Rickettsia rickettsii and R montana. Three dogs (group 1) were inoculated with 2 X 10(2) plaque-forming units (PFU) of R rickettsia and were treated with tetracycline beginning on postin ...
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Journal articleVet Pathol · January 1988
Intestinal digestive and absorptive function and the gross and histologic appearance of the gastrointestinal tract were evaluated in Basenji dogs with chronic diarrhea, asymptomatic Basenji dogs, and healthy control dogs. Gastric rugal hypertrophy, lymphoc ...
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Journal articleAm J Vet Res · October 1987
A seroepidemiologic survey was conducted to determine the prevalence of antibodies reactive with 4 spotted fever-group (SFG) rickettsiae in sera of dogs from various geographic regions in North Carolina. Serum specimens were obtained from 600 dogs, and ant ...
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Journal articleAm J Vet Res · July 1987
Eight closely related Doberman Pinschers with chronic rhinitis and pneumonia had normal or increased numbers of structurally normal leukocytes. Serum concentrations of immunoglobulins and complement were above or within normal ranges. Lymphocyte transforma ...
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Journal articleAm J Vet Res · March 1987
Sera from 600 dogs from 6 geographic regions of North Carolina were analyzed for antibody activity to Babesia canis, using an indirect fluorescent antibody test. Overall, 3.8% of the dogs had an antibody titer greater than or equal to 1:80, which was consi ...
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Journal articleJ Vet Intern Med · 1987
Clinical, hematologic, and immunologic findings for 14 dogs with Ehrlichia canis monoclonal gammopathy were studied retrospectively. Epistaxis, anemia, thrombocytopenia, hypoalbuminemia, hypergammaglobulinemia, and proteinuria were documented in the majori ...
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Journal articleScience · October 24, 1986
Rhinosporidium seeberi, a fungus that is associated with polyp-like tumors in animals and man, was successfully cultivated. This organism stimulated proliferation of epithelial cells in vitro, producing polyp-like structures. Spores produced in culture req ...
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Journal articleVet Pathol · January 1986
Rhinosporidiosis was diagnosed in six dogs from the southeastern United States. All six dogs had unilateral nasal polyps with multiple small white sporangia visible beneath the surface. Microscopically, the polyps consisted of organisms and fibrovascular t ...
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Journal articleJ Am Vet Med Assoc · October 15, 1985
Idiopathic hyperaldosteronism was diagnosed in an 8-year-old castrated male Yorkshire Terrier, based on increased concentration of plasma aldosterone, hypertension, hypernatremia, decreased natriuresis, hypokalemia, and hyperkaluria. Unilateral adrenalecto ...
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Journal articleAm J Vet Res · October 1985
Within a period of 5 consecutive days after the initial observation of illness was made, 7 of 12 Siberian Husky dogs developed clinical signs of Rickettsia rickettsii infection. One dog died and was necropsied. Clinical signs of infection consisted of leth ...
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Journal articleJ Am Vet Med Assoc · May 1, 1985
A dog with exposure keratopathy developed secondary bilateral keratitis from which Aspergillus sp and Curvularia sp were identified. Mycotic keratitis, while rare in the dog, should be considered in the differential diagnosis of keratitis. ...
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Journal articleAm J Vet Res · June 1984
A total of 602 dogs at the Louisiana State University Veterinary Teaching Hospital were tested for antibodies to Dirofilaria immitis by enzyme-linked immunosorbent assay (ELISA), using a purified adult dirofilaria-derived antigen. Most dogs also were evalu ...
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Journal articleAm J Vet Res · March 1984
Eleven Basenjis with chronic diarrhea were evaluated for pathologic changes. Light microscopic and ultrastructural changes were characterized by lymphoplasmacytic infiltration of the lamina propria of the intestine and stomach and by evidence of degranulat ...
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Journal articleAm J Vet Res · February 1984
Eleven adult Basenji dogs with immunoproliferative small intestinal disease (IPSID) were studied. Two items of history related to the digestive tract were characteristic: (i) chronic intractable diarrhea in most dogs, and (ii) progressive emaciation. Anore ...
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Journal articleAm J Vet Res · October 1983
Serum protein concentrations and 4 immunologic factors were determined in 5 Basenji dogs with immunoproliferative small intestinal disease. There was no correlation between the total serum proteins, immunoglobulin G and immunoglobulin M concentrations, and ...
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Journal articleJ Am Vet Med Assoc · June 15, 1983
Three Basenji dogs with renal tubular dysfunction were studied. Hyposthenuria and diminished urine concentrating ability, indicative of nephrogenic diabetes insipidus, were documented. Metabolic acidosis, hyperchloremia, and reduction in glomerular filtrat ...
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Journal articleJ Am Vet Med Assoc · May 1, 1983
Babesiosis was diagnosed in five 11- to 18-day old Greyhound pups. In 3 pups, Babesia canis organisms were identified by examination of a Wright's-Giemsa-stained smear of blood. In 2 pups, the diagnosis was established by examination of a splenic impressio ...
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Journal articleAm J Vet Res · February 1983
A serologic survey was conducted to characterize the electrophoretic patterns of serum proteins in healthy Basenji dogs (n = 137) and Basenjis with chronic diarrhea (n = 32). Serum protein electrophoresis values for Basenjis were similar to previously repo ...
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Journal articleVeterinary Radiology · January 1, 1983
A six‐year‐old spayed female mixed‐breed dog was evaluated for coughing, dyspnea, exercise intolerance, and intermittent fever of four month's duration. Extensive alveolar, interstitial, and peribroncial infiltration was observed throughout the lung fields ...
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Journal articleJ Am Vet Med Assoc · January 15, 1980
Helminths similar to Strongyloides stercoralis were recovered from the jejunum and ileum of a 6-month-old Boston Terrier that was shedding unusually large eggs, both unembryonated and embryonated, as well as first-stage larvae in fresh feces. Clinical sign ...
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Journal articleJ Am Vet Med Assoc · July 15, 1979
Hyponatremia with simultaneous renal sodium loss was associated with the inappropriate secretion of antidiuretic hormone in a dog with heartworm disease. Antidiuresis caused expansion of extracellular fluid volume, which induced renal salt wasting and a ne ...
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Journal articleJournal of the American Animal Hospital Association · January 1, 1979
Ten dogs were evaluated clinically and electroencephalographically for various behavioral, psychomotor, and autonomic abnormalities. Rapid diffuse spindles (20 to 30 Hz) were recorded on the electroencephalogram in all cases. The correlation of this electr ...
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