Ian Drennan
ACP PhD
Biography
Dr. Drennan is a Paramedic Scientist, and an Assistant Professor in the Department of Family and Community Medicine (DFCM) and the Institute of Health Policy, Management and Evaluation (IHPME) and Associate Director of the Paramedicine Collaborative at DFCM at the University of Toronto. He is an Affiliate Scientist position at the Department of Emergency Services, Sunnybrook Health Sciences Centre and Affiliate Scientist, Li Ka Shing Knowledge Institute, Unity Health Toronto.
Dr. Drennan is the current vice-chair of the Advanced Life Support (ALS) Task Force for the International Liaison Committee on Resuscitation (ILCOR) and co-chair of the Basic Life Support chapter of the American Heart Association 2025 Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care.
Dr. Drennan’s research interests are in the clinical care in the prehospital setting, including the management of life-threatening conditions such as cardiac arrest, stroke, STEMI, sepsis and trauma. Additionally, he has interests in alternative models of care and health system improvements for low-acuity patients from a prehospital / ED perspective.
Expertise
Prehospital; Health Systems Research; Cardiac Arrest; Trauma; Epidemiology
Contact Information
@IanR_Drennan
Graduate Students
Melissa O’Neill, PhD Student, IMS, University of Toronto: Prehospital Transfusion Score
Hania Siddiqui, MSc Student, IMS, University of Toronto: Occult Opioid Overdose in Cardiac Arrest
Supervision
Dr. Drennan is currently accepting trainees, from undergraduate to postgraduate.
Publications
Predicting survival post-cardiac arrest: An observational cohort study. Drennan IR, Thorpe KE, Scales D, Cheskes S, Mamdani M, Morrison LJ; Rescu Epistry Investigators. Resusc Plus. 2023 Aug 18;15:100447.
Ventricular Fibrillation Simulated Electrocardiogram Artifact by a Deep Brain Stimulator. Strum R, Drennan I, Hillier M, Cheskes S (2023). Prehospital emergency care. 27. 1-6. 10.1080/10903127.2023.2194407.
To view more of Ian Drennan’s publications, visit ORCiD or ResearchGate.
Current Projects
Pre-hospital prediction of acute blood transfusion in trauma
Comparison of advanced life support to basic life support care and patient outcomes for patients with life-threatening trauma
Field trauma triage criteria associated with need for dedicated trauma centre care: A single centre retrospective cohort study
Prehospital application of pelvic binders for suspected pelvic ring injuries: Exploring paramedic application and imaging outcomes
Prehospital trauma deaths in an urban and suburban setting: epidemiology and potential for advanced prehospital interventions
Exploration of extra-corporal life support for out-of-hospital cardiac arrest: geospatial analysis of prehospital vs in-hospital ECPR strategies