Journal ArticleTranspl Infect Dis · November 4, 2024
BACKGROUND: Belatacept is a costimulatory blocker that can be used to prevent and treat rejection in lung transplant recipients (LuTRs). The epidemiology of infections in belatacept-treated LuTRs has not been systematically evaluated. METHODS: We performed ...
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Journal ArticleAnn Hematol · October 27, 2024
Infection risk during high-dose cytarabine (HiDAC) consolidation following induction therapy for acute myeloid leukemia (AML) is not well understood complicating decisions regarding antimicrobial prophylaxis during this period. We performed a retrospective ...
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Journal ArticlemedRxiv · July 11, 2024
UNLABELLED: Infections are increasingly recognized as a common complication of chimeric antigen receptor (CAR) T-cell therapy. The incidence of clinically-defined infection after CD19.CAR T-cell therapy for relapsed/refractory lymphoma ranges from 60-90% i ...
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Journal ArticleOpen Forum Infect Dis · July 2024
We evaluated use of maribavir (MBV) for treatment of 15 episodes of refractory/resistant cytomegalovirus infection in 13 solid organ transplant recipients. Treatment failure due to treatment-emergent MBV resistance or early virological recurrence after MBV ...
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Journal ArticleAm J Transplant · April 2024
Mollicute infections, caused by Mycoplasma and Ureaplasma species, are serious complications after lung transplantation; however, understanding of the epidemiology and outcomes of these infections remains limited. We conducted a single-center retrospective ...
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Journal ArticleClin Infect Dis · February 17, 2024
BACKGROUND: Invasive fungal infections have been described throughout the COVID-19 pandemic. Cryptococcal disease after infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been reported in several isolated case reports and 1 lar ...
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Journal ArticleClin Nutr · January 2024
BACKGROUND & AIMS: The COVID-19 pandemic continues to pose unprecedented challenges to worldwide health. While vaccines are effective, additional strategies to mitigate the spread/severity of COVID-19 continue to be needed. Emerging evidence suggests susce ...
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Journal ArticleACG Case Rep J · December 2023
Cytomegalovirus (CMV) and inflammatory bowel disease (IBD) are both immune-mediated complications that affect orthotopic liver transplantation patients. In this report, we present a 60-year-old man who underwent orthotopic liver transplantation for cryptog ...
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Journal ArticleInfect Immun · August 16, 2023
Patients receiving the Bruton's tyrosine kinase (BTK) inhibitor ibrutinib have an increased likelihood of fungal infections. The objectives of this study were to determine if Cryptococcus neoformans infection severity was isolate dependent with BTK inhibit ...
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Journal ArticleAm J Transplant · December 2022
Sensitized patients, those who had prior exposure to foreign human leukocyte antigens, are transplanted at lower rates due to challenges in finding suitable organs. Desensitization strategies have permitted highly sensitized patients to undergo kidney tran ...
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Journal ArticleTransplant Cell Ther · April 2022
Patients undergoing allogeneic (allo) and autologous (auto) hematopoietic cell transplantation (HCT) require extensive hospitalizations or daily clinic visits for the duration of their transplantation. Home HCT, wherein patients live at home and providers ...
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Journal ArticlePLoS One · 2022
INTRODUCTION: In order to study the role of the microbiome in hematopoietic stem cell transplantation (HCT), researchers collect stool samples from patients at various time points throughout HCT. However, stool collection requires active subject participat ...
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Journal ArticleClin Infect Dis · December 20, 2021
BACKGROUND: Enterococcus intestinal domination (EID), a state of dysbiosis wherein enterococci comprise ≥30% abundance within the microbiota, has been associated with Enterococcus bacteremia, graft-versus-host disease, and mortality in the allogeneic hemat ...
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Journal ArticleContemp Clin Trials Commun · December 2021
INTRODUCTION: Coccidioidomycosis is a fungal infection endemic in the southwestern United States (US). Primary pulmonary coccidioidomycosis (PPC) is a leading cause of community-acquired pneumonia (CAP) in this region, although its diagnosis is often delay ...
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Journal ArticleTranspl Infect Dis · August 2021
Toxoplasma gondii can cause severe opportunistic infection in immunocompromised individuals, but diagnosis is often delayed. We conducted a retrospective review of solid organ transplant (SOT) and hematopoietic stem cell transplant (HSCT) recipients with t ...
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Journal ArticleBlood · March 18, 2021
We previously described clinically relevant reductions in fecal microbiota diversity in patients undergoing allogeneic hematopoietic cell transplantation (allo-HCT). Recipients of high-dose chemotherapy and autologous HCT (auto-HCT) incur similar antibioti ...
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Journal ArticleTransplant Cell Ther · March 2021
Bloodstream infections (BSIs) occur in 20% to 45% of inpatient autologous and allogeneic hematopoietic cell transplant (HCT) patients. Daily bathing with the antiseptic chlorhexidine gluconate (CHG) has been shown to reduce the incidence of BSIs in critica ...
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Journal ArticleMed Mycol Case Rep · September 2020
We present a case of an invasive Curvularia infection in a patient who developed following bilateral orthotopic lung transplantation despite receiving post-transplant antifungal prophylaxis. This infection presented as mold colonies studding the interior s ...
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Journal ArticleJ Pediatr · July 2020
OBJECTIVE: To determine the prevalence of probiotic administration in infants born preterm over time, as well as the association between probiotic administration and select adverse outcomes. STUDY DESIGN: We performed a multicenter cohort study of infants ...
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Journal ArticleBiol Blood Marrow Transplant · March 2020
Cytomegalovirus (CMV) results in significant morbidity and mortality following hematopoietic cell transplantation (HCT). Establishing the cost and clinical impact is imperative to the selection of appropriate CMV preventative strategies. This is a retrospe ...
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Journal ArticleMed Mycol Case Rep · March 2020
Ibrutinib has revolutionized the treatment of chronic lymphoid malignancies. Despite its success, ibrutinib has been linked with several reports of invasive fungal infections. We present a case of CNS aspergillosis in a CLL patient on first line ibrutinib ...
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Journal ArticleN Engl J Med · February 27, 2020
BACKGROUND: Relationships between microbiota composition and clinical outcomes after allogeneic hematopoietic-cell transplantation have been described in single-center studies. Geographic variations in the composition of human microbial communities and dif ...
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Journal ArticleInfect Drug Resist · 2020
PURPOSE: We investigated the association between location of acquisition (LOA) of gram-positive (GP) bloodstream infections (BSI) in community hospitals and clinical outcomes. METHODS: We performed a multicenter cohort study of adult inpatients with GP BSI ...
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Journal ArticleMycoses · December 2019
BACKGROUND: Invasive fungal diseases (IFD) are life-threatening infections most commonly diagnosed in acute leukaemia patients with prolonged neutropenia and are uncommonly diagnosed in patients with lymphoproliferative diseases. OBJECTIVES: Following the ...
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Journal ArticleScience · November 29, 2019
Disruption of intestinal microbial communities appears to underlie many human illnesses, but the mechanisms that promote this dysbiosis and its adverse consequences are poorly understood. In patients who received allogeneic hematopoietic cell transplantati ...
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ConferenceBlood · November 13, 2019
Introduction: Dysbiosis of the gut microbiome during hematopoietic stem cell transplantation (HCT) is associated with adverse post-transplant outcomes such as graft-versus-host disease, bloodstream infections, and mortality. In order to learn more ...
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ConferenceBlood · November 13, 2019
Introduction: While hematopoietic stem cell transplantation (HSCT) has great therapeutic potential, intensive conditioning regimens and variability in time to stem cell engraftment result in a period of pancytopenia and immunosuppression in which p ...
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Journal ArticleTranspl Infect Dis · October 2018
Invasive mold disease in thoracic organ transplant recipients is a well-recognized complication, but the long-term persistence of molds within the human body and evasion of host defenses has not been well-described. We present 2 cases of invasive mold dise ...
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Journal ArticleOpen Forum Infect Dis · June 2018
BACKGROUND: Rates and risk factors for recurrent enterococcal bloodstream infection (R-EBSI) and whether the same genetic lineage causes index EBSI and R-EBSI are unknown in patients with acute leukemia (AL) receiving chemotherapy. METHODS: Ninety-two AL p ...
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Journal ArticleTransplant Direct · May 2018
BACKGROUND: Combined lung-liver transplantation (LLT) applies 2 technically challenging transplants in 1 patient with severe 2-organ failure. METHODS: Institutional medical records and United Network for Organ Sharing database were queried for patients at ...
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Journal ArticleBlood Adv · April 10, 2018
We hypothesized that third-party fecal microbiota transplantation (FMT) may restore intestinal microbiome diversity after allogeneic hematopoietic cell transplantation (allo-HCT). In this open-label single-group pilot study, 18 subjects were enrolled befor ...
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Journal ArticleOpen Forum Infect Dis · April 2018
Electronic medical record platforms fail to support provider alerts when a drug is discontinued. Protease inhibitors, often boosted by ritonavir or cobicistat, increase the serum concentration of calcineurin inhibitors. This case demonstrates acute liver t ...
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Journal ArticleClin Microbiol Infect · August 2017
OBJECTIVES: Left-sided methicillin-susceptible Staphylococcus aureus (MSSA) endocarditis treated with cloxacillin has a poorer prognosis when the vancomycin minimum inhibitory concentration (MIC) is ≥1.5 mg/L. We aimed to validate this using the Internatio ...
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Journal ArticleJ Perinatol · July 2017
OBJECTIVE: To characterize in-hospital outcomes of premature infants diagnosed with severe bronchopulmonary dysplasia (BPD). STUDY DESIGN: Retrospective cohort study including premature infants with severe BPD discharged from 348 Pediatrix Medical Group ne ...
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Journal ArticleCancer Res · May 1, 2017
Obesity will soon surpass smoking as the most preventable cause of cancer. Hypercholesterolemia, a common comorbidity of obesity, has been shown to increase cancer risk, especially colorectal cancer. However, the mechanism by which hypercholesterolemia or ...
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Journal ArticleJ Perinatol · February 2017
OBJECTIVE: The aim of this study was to identify risk factors for early-onset group B Streptococcus (EOGBS) disease in neonates of mothers with negative antenatal screening. STUDY DESIGN: We performed a retrospective cohort study of neonates born to mother ...
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Journal ArticleOpen Forum Infect Dis · 2017
We report 2 cases of disseminated cryptococcosis with central nervous system involvement in patients with chronic lymphoid malignancies occurring within 1 month of starting on ibrutinib. Characteristically, in both cases, no inflammation was seen in the ce ...
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Journal ArticleInfect Control Hosp Epidemiol · March 2016
BACKGROUND: Various transmission routes contribute to spread of carbapenem-resistant Klebsiella pneumoniae (CRKP) in hospitalized patients. Patients with readmissions during which CRKP is again isolated ("CRKP readmission") potentially contribute to transm ...
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Journal ArticleJ Infect · March 2016
BACKGROUND: Phenol-soluble modulins (PSM) are amphipathic proteins produced by Staphylococcus aureus that promote virulence, inflammatory response, and biofilm formation. We previously showed that MRSA isolates from soft tissue infection (SSTI) produced si ...
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Journal ArticlePediatr Infect Dis J · November 2015
BACKGROUND: The impact of early adequate empirical antibiotic therapy on outcomes of infants in the neonatal intensive care unit (NICU) who develop Staphylococcus aureus bloodstream infections (BSI) is unknown. METHODS: Infants with S. aureus BSI discharge ...
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Journal ArticleJ Infect · October 2015
BACKGROUND: Phenol-soluble modulins (PSMs) are amphipathic, pro-inflammatory proteins secreted by most Staphylococcus aureus isolates. This study tested the hypothesis that in vitro PSM production levels are associated with specific clinical phenotypes. ME ...
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Journal ArticlePediatr Infect Dis J · September 2015
BACKGROUND: Escherichia coli is a common cause of bloodstream infections (BSIs) in infants and is associated with high mortality and morbidity among survivors. The clinical significance of antibiotic resistance and timing of appropriate antimicrobial thera ...
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Journal ArticleExpert Opin Pharmacother · May 2015
INTRODUCTION: Inpatient treatment of acute bacterial skin and skin structure infections (ABSSSIs) exerts a significant economic burden on the healthcare system. Oritavancin is a concentration-dependent, rapid bactericidal agent approved for the treatment o ...
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Journal ArticleJ Clin Microbiol · January 2015
Alpha-toxin is a major Staphylococcus aureus virulence factor. This study evaluated potential relationships between in vitro alpha-toxin expression of S. aureus bloodstream isolates, anti-alpha-toxin antibody in serum of patients with S. aureus bacteremia ...
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Journal ArticleJ Vasc Res · 2015
Oxidized low-density lipoprotein (oxLDL) is an important risk factor in the development of atherosclerosis. oxLDL has been shown to decrease endothelial progenitor cell (EPC) number by inducing apoptosis. p38 mitogen-activated protein kinase (MAPK) was sho ...
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Journal ArticleJ Am Heart Assoc · January 27, 2014
BACKGROUND: Clinical studies suggest that hypercholesterolemia may cause ageing in hematopoietic stem cells (HSCs) because ageing-associated alterations were found in peripheral blood cells and their bone marrow residing precursors in patients with advance ...
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Journal ArticleJ Vasc Res · 2010
We tested the hypothesis that oxidized low-density lipoprotein (oxLDL)-induced inactivation of Akt within endothelial progenitor cells (EPCs) is mediated at the level of phosphoinositide 3-kinase (PI3K), specifically by nitrosylation of the p85 subunit of ...
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Journal ArticleJ Clin Oncol · March 20, 2007
PURPOSE: To evaluate the effect of disease sites and prior therapy on response and toxicity after iodine-131-metaiodobenzylguanidine (131I-MIBG) treatment of patients with resistant neuroblastoma. PATIENTS AND METHODS: One hundred sixty-four patients with ...
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Journal ArticlePediatr Blood Cancer · December 2006
BACKGROUND: The purpose of this study was to determine the accuracy of two semi-quantitative scoring systems to assess response to (131)I-metaiodobenzylguanidine (mIBG) therapy in recurrent neuroblastoma. PROCEDURES: Diagnostic mIBG scan pairs (n = 57) wer ...
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Journal ArticleJ Clin Oncol · June 15, 2004
PURPOSE: Iodine-131-metaiodobenzylguanidine ((131)I-MIBG) has been shown to be active against refractory neuroblastoma. The primary toxicity of (131)I-MIBG is myelosuppression, which might necessitate autologous hematopoietic stem-cell transplantation (AHS ...
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