INVESTIGATORS

Wesley Self, MD, MPH
Associate Professor of Emergency Medicine, Vice Chair of Research

Dr. Self is a physician scientist focused on designing and conducting clinical research in resuscitation, critical care, and severe infections. His interests include pragmatic trials, learning healthcare systems, trial design in acute and critical care medicine, and optimizing team science.

Recent Publications

  • NCBI

  • 2021

  • 2020

  • 2019

Sean Collins, MD, MSc
Professor of Emergency Medicine

Dr. Collins is Professor, Executive Vice Chairman and director of the Center for Emergency Care Research and Innovation at Vanderbilt University Medical Center. His current research interests are in acute heart failure (AHF) and ED-based clinical trials. Dr. Collins completed residency at the University of Cincinnati. After his chief resident year, he spent 10 years as faculty at the University of Cincinnati and was promoted to Associate Professor. During this time, he completed a research fellowship and obtained his MSc in epidemiology from the Harvard School of Public Health.

Recent Publications

  • NCBI

  • 2021

  • 2020

  • 2019

Jin Han, MD
Associate Professor of Emergency Medicine

Dr. Han is an Associate Professor with the Department of Emergency Medicine at Vanderbilt University Medical Center. He is also a faculty member of the Geriatric Research, Education, and Clinical Care (GRECC) in the Tennessee Valley Health Care System and the Critical Illness, Brain Dysfunction, and Survivorship (CIBS) Center. He has over 80 peer-reviewed publications, book chapters, and reviews in the areas of geriatric emergency medicine, cardiology, and emergency department overcrowding. However, he is best known for his delirium research.  He is currently the Co-Principal Investigator of a National Institute on Aging R01 and is the Principal Investigator on a National Institute on Aging R21 and a National Health, Lung, Blood Institute R56.

Notable Publications

  • Han JH, Ginde AA, Brown SM et al. Effect of Early High-Dose Vitamin D3 Repletion on Cognitive Outcomes in Critically Ill Adults. Chest. 2021; 160;909-918. https://pubmed.ncbi.nlm.nih.gov/33819472/

  • Han JH, Chen A, Vasilevskis EE, Schnelle JF, Ely EW, Chandrasekhar R, Morrison RD, Ryan TP, Daniels SD, Sutherland J, Simmons S. Supratherapeutic Psychotropic Drug Levels in the Emergency Department and Their Association with Delirium Duration: A Preliminary Study. J Am Geriatr Soc. 2019; 67:2387-2392. https://pubmed.ncbi.nlm.nih.gov/31503339/

  • Han JH, Vasilevskis EE, Chandrasekhar R, Liu S, Schnelle JF, Dittus RS, Ely EW. Delirium in the Emergency Department and Its Extension into Hospitalization (DELINEATE) Study: Effect on 6-month Function and Cognition. J Amer Geriatr Soc. 2017;25:233-242. https://pubmed.ncbi.nlm.nih.gov/28263444/

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Alan B. Storrow, MD
Associate Professor of Emergency Medicine,  Associate Director of Research

Dr. Storrow now serves as Associate Professor and Associate Director of Research for the Department of Emergency Medicine at Vanderbilt. He is the Program Director for the Vanderbilt Emergency Medicine Research Training Program (VEMRT), one of seven NHLBI K12 programs that promote research in Emergency Medicine nation-wide. His current research interests are the early diagnosis, risk stratification, and treatment of acute heart failure and ACS. 

Recent Publications

  • NCBI

  • 2021

  • 2020

  • 2019

Michael J. Ward,  MD, PhD,  MBA
Associate Professor of Emergency Medicine, Staff Emergency Physician, VA Tennessee

Michael Ward, MD, PhD, MBA is a board-certified emergency physician, Associate Professor of Emergency Medicine at Vanderbilt University Medical Center and a staff emergency physician at the VA Tennessee Valley Healthcare System, Nashville. He earned his PhD in operations management at the University of Cincinnati after completing a research fellowship in operations research. His research is funded by the NIH and the Department of Veterans Affairs focusing on care transitions, feedback systems, and implementation of telehealth in emergency care settings.

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William "Bo" Stubblefield, MD
Assistant Professor of Emergency Medicine

William-May "Bo" Stubblefield, MD joined the faculty in August of 2019. Dr. Stubblefield is a graduate of the Indiana University School of Medicine. He completed his residency in Emergency Medicine at LSU's Spirit of Charity Residency in New Orleans, Louisiana and is currently appointed as a clinical instructor in emergency medicine and T32 research fellow under the mentorship of Wesley Self, MD, MPH. Dr. Stubblefield's research focuses on venous thromboembolic disease. He is interested in risk-stratification, prognostic biomarkers for diagnosis and treatment of acute pulmonary embolism, as well as long term functional outcomes.

Recent Publications

  • NCBI

  • 2021

  • 2020

  • 2019

Jesse Wrenn, MD
Assistant Professor of Emergency Medicine

Jesse Wrenn is an Assistant Professor with the Department of Emergency Medicine at Vanderbilt University Medical Center.  He completed a PhD in Biomedical Informatics at Columbia University, and after several years working with start-ups as a data scientist and programmer, elected to return to medical school at UTHSC in Memphis, TN.  He completed residency in Emergency Medicine at Vanderbilt.  In addition to his clinical responsibilities in the Emergency Department at Vanderbilt and the VA, he has joined the research division with the intent to capitalize on his background in Computer Science and Informatics.  Dr. Wrenn is passionate about using cutting edge technology to improve research, clinical care, and education in Emergency Medicine.  He is married to Audrey, and they have three children: William, Christopher, and their little sister Maxine.  In his free time, he enjoys skiing, reading, and beating his children at board games.

Recent Publications

  • NCBI

  • 2021

  • 2020

  • 2019