9,623 results match your criteria: "Virginia Commonwealth University Medical Center;[Affiliation]"

Childhood physical activity sets the foundation for health. While we know many factors that contribute to physical activity, there are limitations in our knowledge, especially in early childhood. Through our review, we identify gaps in existing datasets to guide future research.

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The harmful effects of perceived discrimination for physical and mental health are well documented. Evidence identifies how dimensions of religious/spiritual (R/S) involvement may reduce these harmful effects. This study examined how R/S experiences are associated with the effects of discrimination on perceived stress.

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Background: Proteomic phenotyping can provide insights into rejection pathophysiology, novel biomarkers, and therapeutic targets.

Methods: Within the prospective, multicenter Genomic Research Alliance for Transplantation study, 181 proteins were evaluated from blood drawn at the time of endomyocardial biopsy; protein fold change, logistic regression, and pathway analyses were conducted, with protein discovery adjusted for a 5% false discovery rate.

Results: Among 104 adult heart transplant patients (31% female sex, 53% Black race, median age 52 y), 74 had no rejection, 18 developed acute cellular rejection (ACR), and 12 developed antibody-mediated rejection (AMR).

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Boys With Duchenne Muscular Dystrophy Have Diastolic Dysfunction Based on CMR.

Circ Cardiovasc Imaging

December 2024

Division of Pediatric Cardiology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN (J.R.S., J.G.W., K.G.-D., K.C., C.C.H., J.H.S.).

Article Synopsis
  • Cardiomyopathy is a major cause of death in boys with Duchenne muscular dystrophy (DMD), and this study investigates cardiac function using cardiac magnetic resonance (CMR) imaging to compare DMD patients with healthy controls.
  • The study involved 179 DMD patients and 96 healthy controls, focusing on measuring left ventricular (LV) function, with findings demonstrating significant differences in ventricular volumes and ejection rates, indicating compromised cardiac function in DMD patients.
  • Results suggest that certain CMR filling and ejection indices correlate with increased mortality in DMD patients, highlighting the potential for these measures to serve as important prognostic tools.
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Detection of antibody directed against human leukocyte antigens (HLA) using a combination of flow cytometric crossmatch (FCXM) and antibody tests, is an important responsibility of Histocompatibility laboratories. Proficiency testing surveys utilize the results of these assays to assess concordance across multiple laboratories. In this study, we reviewed the ASHI Proficiency Testing (PT) antibody and crossmatching (AC) survey results obtained over a 6-year period, to evaluate the degree and nature of inter-laboratory FCXM and antibody assay variability.

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Importance: Fostamatinib, a spleen tyrosine kinase inhibitor, has been reported to improve outcomes of COVID-19.

Objective: To evaluate the efficacy and safety of fostamatinib in adults hospitalized with COVID-19 and hypoxemia.

Design, Setting, And Participants: This multicenter, phase 3, placebo-controlled, double-blinded randomized clinical trial was conducted at 41 US sites and 21 international sites between November 17, 2021, and September 27, 2023; the last follow-up visit was December 31, 2023.

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A burgeoning area of research is investigating whether beliefs and attitudes about sleep are associated with sleep duration in individuals without clinical conditions (e.g., insomnia, depression, anxiety, chronic pain).

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Background: Sexual orientation discrimination increases the risks of negative health outcomes for sexual minorities. Previous studies have found increased rates of eating disorder symptoms in sexual minority individuals, which is attributable to minority stress and discrimination that they experience. Emerging research suggests relationships between sexual orientation discrimination and eating disorder symptoms.

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Background: Electron therapy, vital for treating skin lesions and superficial tumors, demands precise electron cutouts to ensure accurate dose delivery. Traditional manual tracing methods introduce uncertainties and inefficiencies, necessitating innovative solutions for custom block creation.

Purpose: To introduce and validate the Optical Automatic Contour Tracing (O-ACT) method, enhancing electron cutout generation's accuracy and efficiency through optical imaging and software automation.

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Metabolic Dysfunction and Alcohol-related Liver Disease (MetALD): Position statement by an expert panel on alcohol-related liver disease.

J Hepatol

November 2024

CHRU de Lille, Hôpital Claude Huriez, Rue M. Polonovski CS 70001, 59 037 Lille Cedex, France. Electronic address:

This position statement explores the intricate relationship between alcohol intake and metabolic dysfunction in the context of the 2023 nomenclature for steatotic liver disease (SLD). Recent and lifetime alcohol use should be accurately assessed in all patients with SLD to facilitate classification of alcohol use in grams of alcohol per week. Alcohol biomarkers (i.

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Subtyping Parkinson's disease with mild cognitive impairment (PD-MCI) could improve clinical trial design and personalized treatments. Cholinergic nucleus 4 (Ch4) volume has been linked to cognitive impairment severity and future decline in PD. This study investigates whether PD-MCI patients with MRI evidence of Ch4 degeneration have distinct clinical profiles and cognitive trajectories.

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CNV-Finder: Streamlining Copy Number Variation Discovery.

bioRxiv

November 2024

Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA.

Article Synopsis
  • Copy Number Variations (CNVs) are crucial in understanding complex diseases and vary across different populations, necessitating large sample studies for accurate analysis.
  • The CNV-Finder pipeline utilizes deep learning, specifically Long Short-Term Memory (LSTM) networks, to streamline the identification of CNVs in specific genomic areas, making subsequent analyses like genome sequencing more efficient.
  • The tool has been validated with data from various cohorts, focusing on genes related to neurological diseases, and includes an interactive web application for researchers to visualize and refine their findings based on model predictions.
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Conduction disturbances (CDs) are common after transcatheter aortic valve replacement. Continuous improvements in preprocedural planification, implant techniques, and device design have markedly reduced periprocedural complications. However, CDs rate remains in the double-digit range.

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Introduction: Perception of the ascites burden and its effects on quality of life may be different between sexes. This study assessed sex differences in perception of ascites burden and its impact on health-related quality of life (HRQoL) in patients with recurrent or refractory ascites.

Methods: The North American Consortium for the Study of End-stage Liver Disease prospectively enrolled outpatients with cirrhosis and large ascites requiring repeat large volume paracenteses.

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: Spinal cord epidural stimulation (SCES) has the potential to restore motor functions following spinal cord injury (SCI). Spinal cord mapping is a cornerstone step towards successfully configuring SCES to improve motor function, aiming to restore standing and stepping abilities in individuals with SCI. While some centers have advocated for the use of intraoperative mapping to anatomically target the spinal cord locomotor centers, this is a resource-intensive endeavor and may not be a feasible approach in all centers.

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Background/objectives: Traumatic brain injury (TBI) is a global healthcare concern affecting millions, with wide-ranging symptoms including sensory and behavioral changes that can persist long-term. Due to similarities with human brain cytoarchitecture and inflammation, minipig models are advantageous for translational TBI research. However, gaps in knowledge exist regarding their behavioral and sensory sequelae following injury.

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Background: This report summarizes the 2023 inaugural annual meeting of the Cystic Fibrosis Foundation's Prioritizing Research in Mental Health (PRIME) working group. This workshop focused on mental health and elexacaftor/tezacaftor/ivacaftor (ETI).

Methods: We reviewed existing literature and identified key gaps and study design considerations in preclinical work, pharmacokinetics/pharmacodynamics, mood/anxiety, quality of life/self-perception, neuropsychological symptoms, sleep, and symptom management.

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Over the last few decades, there have been tremendous advances in our understanding of the role of the gut microbiome in cirrhosis and the clinical sequelae that follow. Progressive dysbiosis and immune dysregulation occur in patients with cirrhosis. In fact, alterations in the gut microbiome occur long before a diagnosis of cirrhosis is made.

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Background: Alcohol is linked to various cancers. While many studies have focused on developed countries, the burden of alcohol-related cancers in developing countries remains underexplored.

Methods: We analyzed data from the Global Burden of Disease Study (2000-2019) to assess mortality and disability-adjusted life years (DALYs) from alcohol-related cancers in low and low-to-middle sociodemographic index (SDI) countries.

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Primary Health Care As a Common Good.

J Am Board Fam Med

November 2024

From the Larry A. Green Center - Advancing Primary Health Care for the Public Good, Department of Family Medicine and Population Health, Virginia Commonwealth University, Richmond, VA (RSE); Center for Community Health Integration, Case Western Reserve University, Cleveland, OH (KCS).

Growing commodification of health care has resulted in a system that is impersonal, fragmented, and inequitable. A potential antidote to this poisonous situation is to understand and treat primary health care as a common good. Common goods are resources supported as essential to the wellbeing of all.

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Redefining Cardiac Antibody-Mediated Rejection With Donor-Specific Antibodies and Graft Dysfunction.

Circ Heart Fail

December 2024

Genomic Research Alliance for Transplantation (J.F.G., X.T., R.B., M.K.J., H.K., T.E.A., S.S.N., I.T., K.B.S., S.H., M.E.R., C.M., G.J.B., H.A.V., P.S., S.A.-E.).

Article Synopsis
  • Heart transplant patients with donor-specific antibodies (DSAs) face a higher risk of rejection, but some do not show antibody-mediated rejection despite having graft dysfunction.
  • A study involved 216 participants undergoing serial evaluations like endomyocardial biopsy (EMB) and echocardiograms to understand the relationship between DSAs, rejection types, and long-term outcomes.
  • Results indicated that both antibody-mediated rejection (pAMR+) and DSA-related left ventricle dysfunction significantly correlated with increased mortality and prolonged heart dysfunction, particularly if they occurred within the first six months after transplant.
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Introduction: Growing interest centers on the association between circulating ketone bodies (KB) and cognitive function, notably in aging and neurodegenerative diseases.

Methods: Associations of plasma KB with incident dementia and cognitive performances were examined among Multi-Ethnic Study of Atherosclerosis (MESA) participants. KB were measured using plasma samples collected following an overnight fasting at Exam 1 (2000-02) and detailed cognitive testing at Exam 5 (2010-2012,  = 4392), Exam 6 (2016-2018,  = 1838), and in MESA-MIND (2019-2021,  = 2060).

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Article Synopsis
  • A study using Swedish national register data involving over 2.8 million individuals investigated the relationship between divorce and family genetic risk scores (FGRS) for ten psychiatric disorders.
  • The findings revealed that individuals who experienced divorce had higher FGRS for all disorders compared to those who remained stably married or never married.
  • Additionally, divorced females exhibited higher FGRS than divorced males, and higher FGRS was linked to those who did not remarry or had multiple divorces, highlighting how genetic factors may influence both divorce rates and psychiatric risk.
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Trauma exposure and drinking motives (e.g., social, enhancement, coping) are both associated with increased alcohol use and related problems.

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