Journal ArticleJ Perianesth Nurs · June 2025
PURPOSE: The purpose of this quality improvement (QI) project was to establish and evaluate a process to improve use of positive airway pressure (PAP) therapy on the day of surgery, postoperative day 0 (POD 0), for Veterans using home PAP therapy for obstr ...
Full textLink to itemCite
Journal ArticleSurgery · April 2025
OBJECTIVE: To characterize early physiologic stresses imposed by surgery by applying metabolomic analyses to deeply phenotype pre- and postoperative plasma and urine of patients undergoing elective surgical procedures. BACKGROUND: Patients experience perio ...
Full textLink to itemCite
Journal ArticleQual Life Res · March 2025
OBJECTIVES: In cancer studies, assessment of patients' physical function can provide insight into cancer-related symptoms and the side effects of treatment. Physical function can be assessed using patient-reported outcome measures (PROMs), which may or may ...
Full textOpen AccessLink to itemCite
Journal ArticleWorld J Surg · November 2024
BACKGROUND: Comprehensive studies on priority areas for improving geriatric surgery outcomes, inclusive of geriatric-pertinent data, are limited. METHODS: The ACS NSQIP geriatric database (2014-2018) was used to abstract older adults (≥65 years) undergoing ...
Full textLink to itemCite
Journal ArticleQual Life Res · July 2024
PURPOSE: Successful patient-focused drug development involves selecting and measuring outcomes in clinical trials that are important to patients. The U.S. Food & Drug Administration's definition of clinical benefit includes how patients feel, function, or ...
Full textLink to itemCite
Journal ArticlePatient Educ Couns · February 2024
OBJECTIVE: Describe clinicians' perspectives of facilitators and barriers to eliciting physical function goals from patients with multiple chronic conditions pre- and post-surgery. METHODS: Semi-structured qualitative interviews were conducted with clinici ...
Full textLink to itemCite
Journal ArticleAnn Surg · December 1, 2023
OBJECTIVES: To characterize and quantify accumulating immunologic alterations, pre and postoperatively in patients undergoing elective surgical procedures. BACKGROUND: Elective surgery is an anticipatable, controlled human injury. Although the human respon ...
Full textLink to itemCite
Journal ArticleJ Am Coll Surg · August 1, 2023
BACKGROUND: The American College of Surgeons (ACS) Coalition for Quality in Geriatric Surgery (CQGS) identified standards of surgical care for the growing, vulnerable population of aging adults in the US. The aims of this study were to determine implementa ...
Full textLink to itemCite
Journal ArticleAnn Surg · June 1, 2022
OBJECTIVE: To design and establish a prospective biospecimen repository that integrates multi-omics assays with clinical data to study mechanisms of controlled injury and healing. BACKGROUND: Elective surgery is an opportunity to understand both the system ...
Full textLink to itemCite
Journal ArticleAnn Clin Transl Neurol · February 2022
OBJECTIVE: Numerous investigators have theorized that postoperative changes in Alzheimer's disease neuropathology may underlie postoperative neurocognitive disorders. Thus, we determined the relationship between postoperative changes in cognition and cereb ...
Full textOpen AccessLink to itemCite
Journal ArticleAm J Med · January 2022
This review summarizes best practices for the perioperative care of older adults as recommended by the American Geriatrics Society, American Society of Anesthesiologists, and American College of Surgeons, with practical implementation strategies that can b ...
Full textLink to itemCite
Journal ArticleJ Am Geriatr Soc · December 2021
BACKGROUND: There is a paucity of data on older adults (age ≥65 years) undergoing surgery who had an inpatient do-not-resuscitate (DNR) order, and the association between timing of DNR order and outcomes. METHODS: This was a retrospective analysis of 1976 ...
Full textLink to itemCite
Journal ArticleBr J Anaesth · December 2021
BACKGROUND: Cognitive dysfunction after surgery is a major issue in older adults. Here, we determined the effect of APOE4 on perioperative neurocognitive function in older patients. METHODS: We enrolled 140 English-speaking patients ≥60 yr old scheduled fo ...
Full textOpen AccessLink to itemCite
Journal ArticleSci Rep · February 4, 2021
Arachidonic acid (AA), docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA) derived lipids play key roles in initiating and resolving inflammation. Neuro-inflammation is thought to play a causal role in perioperative neurocognitive disorders, yet th ...
Full textOpen AccessLink to itemCite
ConferenceWorld J Surg · January 2021
BACKGROUND: Geriatric collaborative care models improve postoperative outcomes for older adults. However, there are limited data exploring how preoperative geriatric assessment may affect surgical cancellations. METHODS: This is a single-center retrospecti ...
Full textLink to itemCite
Journal ArticleJ Alzheimers Dis · 2021
BACKGROUND: Postoperative cognitive dysfunction (POCD), a syndrome of cognitive deficits occurring 1-12 months after surgery primarily in older patients, is associated with poor postoperative outcomes. POCD is hypothesized to result from neuroinflammation; ...
Full textOpen AccessLink to itemCite
Journal ArticleJ Neurol · July 2020
OBJECTIVE: Lumbar punctures (LPs) are important for obtaining CSF in neurology studies but are associated with adverse events and feared by many patients. We determined adverse event rates and pain scores in patients prospectively enrolled in two cohort st ...
Full textLink to itemCite
Journal ArticleAnesth Analg · April 2020
Preoperative assessment typically equates to evaluating and accepting the presenting condition of the patient (unless extreme) and commonly occurs only a few days before the planned surgery. While this timing enables a preoperative history and examination ...
Full textLink to itemCite
Journal ArticleAnesth Analg · January 2020
Deciding whether to pursue elective surgery is a complex process for older adults. Comprehensive geriatric assessment (CGA) can help refine estimates of benefits and risks, at times leading to a delay of surgery to optimize surgical readiness. We describe ...
Full textOpen AccessLink to itemCite
Journal ArticleJ Alzheimers Dis · 2020
BACKGROUND: Perioperative neurocognitive disorders (PND) are common complications in older adults associated with increased 1-year mortality and long-term cognitive decline. One risk factor for worsened long-term postoperative cognitive trajectory is the A ...
Full textOpen AccessLink to itemCite
Chapter · January 1, 2020
Benign conditions of the esophagus and esophagogastric region may have implications in elderly patients that differ from those encountered in younger age groups. Special consideration must be given to the unique presentations as well as to the physiologic ...
Full textCite
Journal ArticleAnesth Analg · November 2019
Animal models suggest postoperative cognitive dysfunction may be caused by brain monocyte influx. To study this in humans, we developed a flow cytometry panel to profile cerebrospinal fluid (CSF) samples collected before and after major noncardiac surgery ...
Full textOpen AccessLink to itemCite
Journal ArticleN Engl J Med · October 17, 2019
BACKGROUND: Heartburn that persists despite proton-pump inhibitor (PPI) treatment is a frequent clinical problem with multiple potential causes. Treatments for PPI-refractory heartburn are of unproven efficacy and focus on controlling gastroesophageal refl ...
Full textLink to itemCite
Journal ArticleJ Am Geriatr Soc · April 2019
BACKGROUND/OBJECTIVES: Every year, up to 40% of the more than 16 million older Americans who undergo anesthesia/surgery develop postoperative cognitive dysfunction (POCD) or delirium. Each of these distinct syndromes is associated with decreased quality of ...
Full textOpen AccessLink to itemCite
Journal ArticleGeriatr Nurs · 2019
Undiagnosed obstructive sleep apnea (OSA) may adversely impact surgical patients and can lead to increased morbidity and mortality during the perioperative period, especially among the geriatric patient population (Chung et al. 2008, 2012, 2014; McDonald e ...
Full textLink to itemCite
Journal ArticlePLoS Med · November 2018
BACKGROUND: Pythia is an automated, clinically curated surgical data pipeline and repository housing all surgical patient electronic health record (EHR) data from a large, quaternary, multisite health institute for data science initiatives. In an effort to ...
Full textLink to itemCite
Journal ArticleHealth Serv Res · October 2018
OBJECTIVES: To explore (1) differences in validity and feasibility ratings for geriatric surgical standards across a diverse stakeholder group (surgeons vs. nonsurgeons, health care providers vs. nonproviders, including patient-family, advocacy, and regula ...
Full textLink to itemCite
Journal ArticleJAMA Surg · May 1, 2018
IMPORTANCE: Older adults undergoing elective surgery experience higher rates of preventable postoperative complications than younger patients. OBJECTIVE: To assess clinical outcomes for older adults undergoing elective abdominal surgery via a collaborative ...
Full textLink to itemCite
Journal ArticleJ Am Geriatr Soc · March 2018
OBJECTIVES: To compare postoperative outcomes of individuals with and without cognitive impairment enrolled in the Perioperative Optimization of Senior Health (POSH) program at Duke University, a comanagement model involving surgery, anesthesia, and geriat ...
Full textOpen AccessLink to itemCite
Journal ArticleAnn Surg · February 2018
OBJECTIVE: The aim of this study was to establish high-quality, valid standards to improve surgical care of the older adult. BACKGROUND: The aging population increases demand for high-quality surgical care. Building upon prior guidelines, quality indicator ...
Full textLink to itemCite
Journal ArticleFront Syst Neurosci · 2017
Each year over 16 million older Americans undergo general anesthesia for surgery, and up to 40% develop postoperative delirium and/or cognitive dysfunction (POCD). Delirium and POCD are each associated with decreased quality of life, early retirement, incr ...
Full textOpen AccessLink to itemCite
Journal ArticleCurrent Surgery Reports · August 1, 2016
Purpose of review Older patients represent a growing and significant portion of the surgical population. Due to age-related changes in physiology and the presence of multiple comorbidities, older patients are more likely to experience complications, functi ...
Full textCite
Chapter · January 1, 2016
Acute upper gastrointestinal bleeding afflicts thousands of patients each year, and can range from a mere nuisance to a life threatening condition. The underlying cause is most often peptic ulcer disease, gastritis, or varices. Infrequent causes include es ...
Full textCite
Chapter · November 20, 2014
This new edition of The Perioperative Medicine Consult Handbook provides useful information, advice, and guidelines based on a combination of clinical experience and evidence-based medicine. ...
Cite
Journal ArticleAnesth Analg · January 2014
The present guidelines are the most recent data on postoperative nausea and vomiting (PONV) and an update on the 2 previous sets of guidelines published in 2003 and 2007. These guidelines were compiled by a multidisciplinary international panel of individu ...
Full textLink to itemCite
Journal ArticleJAMA Surg · January 2013
OBJECTIVE: To describe the outcomes and the expected postoperative course for patients with do-not-resuscitate (DNR) orders (DNR patients) who undergo emergency surgical management of bowel obstruction. DESIGN: We retrospectively identified all patients wh ...
Full textLink to itemCite
Journal ArticleJ Am Geriatr Soc · September 2012
OBJECTIVES: To determine whether readily collected perioperative information might identify older surgical patients at higher risk of complications. DESIGN: Retrospective cohort study. SETTING: Medical chart review at a single academic institution. PARTICI ...
Full textLink to itemCite
Journal ArticleSurgery · September 2012
BACKGROUND: The objectives of our study were to determine the association between age and postoperative outcomes after emergency surgery for diverticulitis and to identify risk factors for postoperative mortality among elderly patients. METHODS: All patien ...
Full textLink to itemCite
Journal ArticleAnn Surg · September 2012
OBJECTIVE: To describe the outcomes of elderly patients with do-not-resuscitate (DNR) status who undergo emergency general surgery and to improve understanding of the relationship between preoperative DNR status and postoperative mortality. BACKGROUND: Pre ...
Full textLink to itemCite
Journal ArticleJ Am Geriatr Soc · February 2012
OBJECTIVES: To compare outcomes and the use of multimodality therapy in young and elderly people with pancreatic cancer undergoing surgical resection. DESIGN: Retrospective, single-institution study. SETTING: National Cancer Institute/National Comprehensiv ...
Full textLink to itemCite
Journal ArticleAnn Plast Surg · May 2011
BACKGROUND: Plastic surgeons are increasingly involved in the repair of complex ventral hernias. Although this typically involves recurrent incisional hernias, operative strategies can be applied to most abdominal wall defects, including chronic wounds wit ...
Full textLink to itemCite
Journal ArticleJ Am Coll Surg · May 2011
BACKGROUND: Because of the aging United States population, increase in overall life expectancy, and rising incidence of hepatobiliary tumors, more elderly patients are considered for hepatic resection. The objective of this study was to assess the influenc ...
Full textLink to itemCite
Chapter · December 1, 2010
Each year hundreds of thousands of patients suffer from acute upper gastrointestinal bleeding (UGIB) [1], which by definition arises from a site proximal to the ligament of Treitz. Etiological factors include peptic ulcer disease, gastritis, gastroesophage ...
Full textCite
Journal ArticleJ Immunol · May 15, 2010
Initial exposure of monocytes/macrophages to LPS induces hyporesponsiveness to a second challenge with LPS, a phenomenon termed LPS tolerance. Molecular mechanisms responsible for endotoxin tolerance are not well defined. We and others have shown that IL-1 ...
Full textLink to itemCite
Journal ArticleShock · January 2009
The IL-1 receptor-associated kinase 1 (IRAK-1) and IRAK-M are key signaling molecules in cellular responses to endotoxin initiated through the Toll-like receptors (TLRs). The aim of this study was to evaluate the effect of age on the modulation of TLRs and ...
Full textLink to itemCite
Journal ArticleLab Anim · October 2005
Traditional methods for obtaining oesophageal access in experimental animals are unsuitable for prolonged (24 h) oesophageal pH evaluation, a procedure that is commonly employed in the assessment of human patients suspected of having gastroesophageal reflu ...
Full textLink to itemCite
Journal ArticleAnn Surg · February 2005
OBJECTIVE: To determine if increasing nitric oxide bioactivity by inclusion of ethyl nitrite (ENO) in the insufflation admixture would attenuate pneumoperitoneum-induced decreases in splanchnic perfusion. SUMMARY BACKGROUND DATA: Organ blood flow is reduce ...
Full textLink to itemCite
Journal ArticleSurg Endosc · April 2004
BACKGROUND: Laparoscopic adrenalectomy is a safe and effective treatment for most surgical diseases of the adrenal gland. However it has been suggested that catecholamine effects associated with pheochromocytoma render the laparoscopic approach a more chal ...
Full textLink to itemCite
Journal ArticleJSLS · 2004
INTRODUCTION: This study evaluates the feasibility and safety of using robotically assisted laparoscopy to perform a Roux-en-Y hepaticojejunostomy. This new method was compared with the open and standard laparoscopic approaches. METHODS: Eighteen pigs unde ...
Link to itemCite
Journal ArticleJSLS · 2002
This presentation reviews the literature regarding the current surgical treatment of perforated ulcers, describes the surgical techniques for laparoscopic repair, and reviews the clinical algorithm used by laparoscopic surgeons at Duke University Medical C ...
Link to itemCite
Journal ArticleAm J Obstet Gynecol · October 1999
OBJECTIVE: We sought to determine whether placental cytokine expression is altered in patients with preeclampsia. STUDY DESIGN: Whole placental tissue was collected at cesarean delivery, and total ribonucleic acid was extracted. Reverse transcriptase-polym ...
Full textLink to itemCite
Journal ArticleAm J Reprod Immunol · January 1999
PROBLEM: T-helper 2 (TH2)-type cytokines [i.e., interleukin (IL)-6, IL-10, and IL-13] and transforming growth factor (TGF)-beta are expressed by the murine decidua and/or placenta and are likely to suppress inflammatory cytokine [i.e., IL-2, interferon (IF ...
Full textLink to itemCite
Journal ArticleAm J Reprod Immunol · November 1998
PROBLEM: Communication at the human maternal-fetal interface occurs by an intricate cytokine network. This study examines cytokine expression by normal first-trimester human chorionic villi. METHOD OF STUDY: Tissues were obtained at elective pregnancy term ...
Full textLink to itemCite
Journal ArticleEur J Immunol · August 1998
We recently demonstrated that different CD45 monoclonal antibodies (mAb) are able to induce cellular aggregation in human peripheral blood mononuclear cells (PBMC) through LFA-1/ICAM-1 interactions. Such interactions could be down-modulated by protein kina ...
Full textLink to itemCite
Journal ArticleEarly Pregnancy · September 1997
Interleukin-10 (IL-10) is a T-helper type-2 (Th2) cytokine noted for its ability to suppress cytokine synthesis by T-helper type-1 (Th1) cells. IL-10 may play a role in pregnancy immunotolerance through the establishment of a Th2 cytokine bias at the mater ...
Link to itemCite
Journal ArticleTransplantation · December 15, 1996
In a recent study, antioxidant therapy at the time of renal transplantation in humans was associated with fewer rejection episodes and extended graft survival. A hypothesis generated by such studies and based on the response-to-injury model is that reducin ...
Full textLink to itemCite
Journal ArticleImmunol Lett · December 1, 1996
Sclerosing keratitis is the major cause of blindness due to onchocerciasis which results from chronic infection with the filarial parasite Onchocerca volvulus. Using a murine model of onchocercal sclerosing keratitis, we have demonstrated previously that p ...
Full textLink to itemCite
Journal ArticleAm J Reprod Immunol · November 1996
PROBLEM: Cytokines form an important communication network between the mother and fetus. Defining the significance of these factors requires an understanding of their constitutive expression by maternal and fetal tissues. This study examines cytokine expre ...
Full textLink to itemCite
Journal ArticleJ Heart Lung Transplant · February 1996
BACKGROUND: Cytokines play a central role in inflammatory responses and in specific immune responses directed toward alloantigens. The pattern and quantity of cytokines produced in graft rejection can yield valuable information regarding the cellular and m ...
Link to itemCite
OtherJournal of Investigative Medicine · January 1, 1996
Transplanted organs, which invariably undergo ischemia-reperfusion injury, upregulate the expression of inflammatory cytokines and iNOS. Such upregulations are causally linked to rejection episodes. Since lipid peroxidation contributes to ischemia-reperfus ...
Cite
OtherJournal of Investigative Medicine · January 1, 1996
In aTecent clinical study antioxidant therapy at the lime of renal transplantation was associated with fewer rejection and extended graft survival. A hypothesis generated by such studies and based on the "response-to-injury" model is that reducing the oxid ...
Cite
Journal ArticleArch Surg · November 1995
BACKGROUND: Trauma is believed to activate immunocytes but paradoxically also increases the risk of intraperitoneal infection. OBJECTIVE: To investigate these events by evaluating changes in the cytokine control networks of human peritoneal macrophages (PM ...
Full textLink to itemCite
Journal ArticleShock · October 1995
Injury has been hypothesized to cause inflammation through systemic release of lipopolysaccharide and pro-inflammatory cytokines, but this has proved difficult to demonstrate in humans. We looked for evidence of an inflammatory pattern of cytokine gene exp ...
Full textLink to itemCite
Journal ArticleTranspl Immunol · June 1995
Previous studies have shown that post-transplantation infusion of donor specific bone marrow following a non-specific potent immunosuppressive agent such as antilymphocyte globulin (ALG) can significantly enhance graft survival compared to ALG alone. This ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · June 1995
OBJECTIVE: To examine the de novo synthesis and cellular distribution of the E-selectin adhesion molecule in synovial tissues obtained from patients with rheumatoid arthritis (RA). METHODS: Immunohistochemistry techniques combined with in situ hybridizatio ...
Full textLink to itemCite
Journal ArticleJ Immunol · June 1, 1995
Intraepithelial lymphocytes (IELs) have been extensively studied in the murine small intestine. However, to date no studies have assessed IEL in the large intestine, despite the marked differences in function and lumenal environment. In the present study, ...
Link to itemCite
Journal ArticleEur J Immunol · December 1994
Analysis of cytokine gene expression by reverse transcription-polymerase chain reaction (RT-PCR) demonstrated high spontaneous levels of transcripts for multiple cytokines in murine Peyer's patches (PP) compared to spleen and peripheral lymph nodes. This i ...
Full textLink to itemCite
Journal ArticleTransplantation · March 27, 1994
Experimental studies have shown that administration of antilymphocyte serum combined with donor bone marrow cells can induce tolerance to allograft tissue. We have initially reported application of these protocols in clinical studies of cadaveric renal all ...
Full textLink to itemCite
Journal ArticleJ Immunol · February 15, 1994
In the complete absence of APCs staphylococcal superantigens induced IL-2, IL-4, IL-5, IFN-gamma, and IL-2R gene transcripts in both highly purified human T cells and FACs sorted CD4+ memory (CD45RA-) T cells. Secretion of IL-2, IL-4, and IFN-gamma, as wel ...
Link to itemCite
Journal ArticleLymphokine Cytokine Res · April 1993
A simple, rapid, reproducible, and nonradioisotopic method for semiquantitative analysis of cytokine mRNAs based on polymerase chain reaction (PCR) is described. RNA isolated from 2.5 million cells has proven sufficient to perform semiquantitative analysis ...
Link to itemCite
Journal ArticleLymphokine Cytokine Res · August 1992
Fc receptor-positive lymphocytes (FcR+) contain lymphokine-activated killer cell (LAK) precursors that in response to IL-2 develop potent antitumor cytotoxicity. These FcR+ cells are also capable of antibody-dependent cytotoxicity (ADCC), which can be dete ...
Link to itemCite
Journal ArticleCancer Immunol Immunother · 1988
Employing serum-free media, human peripheral blood mononuclear cells, and purified recombinant interleukin-2 (IL-2), conditions were observed in which the development of IL-2-driven cytotoxic activity was suppressed. The cytotoxic activity of such IL-2-gen ...
Full textLink to itemCite