Brian Witrick

National burden and geographic variation in healthcare utilization and expenditures among adults with heart failure in the United States (2013–2022)

Brian Witrick, Megan Pate, Kerry A. Howard, Stella T. Lartey et autres

BACKGROUND: Heart failure is a leading cardiovascular condition associated with substantial healthcare utilization and economic burden in the United States. However, less is known about regional and temporal variation in heart failure-related healthcare utilization and expenditures within nationally representative populations. OBJECTIVES: To …

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Assessing knowledge, attitudes, and barriers to opioid overdose among college students

Abass Babatunde, Amanda N. Stover, Brian Witrick, Moonseong Heo et autres

BACKGROUND: College students are a key population for opioid use, misuse, and subsequent exposure to overdose events. However, their knowledge and attitudes in response to opioid overdose warrant further study. To assess this gap, we surveyed graduate and undergraduate students about their …

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Implicit Bias and Recognition of Biases Among Vascular Surgeons

Andrew Gonzalez, Ashley Clark, Karen Atkinson, Samantha Minc et autres

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Implicit Bias and Recognition of Biases Among Vascular Surgeons

Kerry A. Howard, Brian Witrick, Ashley Clark, Karen Atkinson et autres

INTRODUCTION: Implicit bias can influence behavior and decision-making, such as treatment decisions in clinical settings. Given documented Black-White disparities in vascular care, the purpose of this study was to describe the prevalence and degree of implicit bias and recognition of bias among …

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2024–2025 COVID-19 mRNA Vaccine Effectiveness Against Severe Disease

Iromi Jayawardena, Natalie E. Dean, Brian Witrick, Alain H. Litwin et autres

BACKGROUND: This study evaluated the effectiveness of the 2024-2025 coronavirus disease 2019 (COVID-19) messenger RNA (mRNA) vaccine against COVID-19 emergency department (ED) visits and hospitalizations. METHODS: Using electronic health records from a large South Carolina health system, we emulated a target trial …

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The Effects of the Vaccination Stage on Identifying COVID Vaccination Hot Spots and Cold Spots

Jamison Conley, Brian Hendricks, Frank Annie, Brian Witrick et autres

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Optimizing Mobile Health Clinic Placement via Geospatial Modeling

Shakhawat H. Tanim, David White, Brian Witrick, Lior Rennert

Objectives: Mobile health clinics (MHCs) provide flexible, community-based care to underserved populations facing geographic and socioeconomic barriers. Maximizing coverage enables MHCs to reach more individuals, improve preventive and continuous care, and reduce health disparities. However, few strategies exist to guide placement and …

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The use of telehealth in pediatric neurosurgery for rural patients of Appalachia

Kate Gelman, David Fletcher, Hang Li, Sijin Wen et autres

OBJECTIVE: The authors' objective was to assess the impact of telehealth on pediatric neurosurgical care access for underserved and rural populations in West Virginia. The authors explored how telehealth utilization varied over time, the socioeconomic benefits it provided to families, and its …

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Association of substance use with stroke in heart failure by community socioeconomic distress

Brian Witrick, Frank Annie, Timothy Dotson, Wesley Kimble et autres

INTRODUCTION: Substance use is common among individuals with heart failure (HF) and is linked to cardiotoxic effects and adverse outcomes. Given the increased vulnerability of HF patients to ischemic stroke, understanding how substance use and community distress contribute to this risk is …

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Investigation of risk of Alzheimer’s disease diagnosis and survival based on variation to life experiences used to operationalize cognitive reserve

Kerry A. Howard, Lauren Massimo, Brian Witrick, Lu Zhang et autres

BackgroundAlzheimer's disease dementia (AD) is a debilitating progressive neurodegenerative disease. Life experiences are hypothesized to build cognitive reserve (CR), a theoretical construct associated with delayed onset of AD symptoms. While CR is a key moderator of cognitive decline, operationalization of CR is …

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Investigating the impact of suboptimal prescription of preoperative antiplatelets and statins on race and ethnicity-related disparities in major limb amputation

Samuel Cykert, Katharine L. McGinigle, William P. Robinson, Kerry A. Howard et autres

BACKGROUND: Non-Hispanic Black and Hispanic patients with symptomatic PAD may receive different treatments than White patients with symptomatic PAD. The delivery of guideline-directed medical treatment may be a modifiable upstream driver of race and ethnicity-related disparities in outcomes such as limb amputation. …

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Abstract P1097: Geographic Variation of Healthcare Expenditures Among U.S. Adults with Heart Failure, 2012-2022

Brian Witrick, Timothy Dotson

Introduction: Heart failure is a public health burden that currently affects over 6 million individuals in the United States and is estimated to continue to increase over the coming decade. Despite improvements in clinical outcomes, heart failure is associated with increased morbidity …

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