Laurie Morrison




I conduct systematic reviews and meta-analyses in topics pertaining to acute coronary syndrome and resuscitation, and have established a collaborative network to conduct and publish randomized controlled trials and outcome validation studies in prehospital resuscitation research. I am a National Institute of Health, Canadian Institute of Health Research and Heart and Stroke Canada funded investigator within the Resuscitation Outcomes Consortium.

Recent Publications

  1. Ohshimo, S, Wang, CH, Couto, TB, Bingham, R, Mok, YH, Kleinman, M et al.. Pediatric timing of epinephrine doses: A systematic review. Resuscitation. 2021;160 :106-117. doi: 10.1016/j.resuscitation.2021.01.015. PubMed PMID:33529645 .
  2. Mody, P, Pandey, A, Slutsky, AS, Segar, MW, Kiss, A, Dorian, P et al.. Gender-Based Differences in Outcomes Among Resuscitated Patients With Out-of-Hospital Cardiac Arrest. Circulation. 2021;143 (7):641-649. doi: 10.1161/CIRCULATIONAHA.120.050427. PubMed PMID:33317326 .
  3. Drennan, IR, Dorian, P, McLeod, S, Pinto, R, Scales, DC, Turner, L et al.. DOuble SEquential External Defibrillation for Refractory Ventricular Fibrillation (DOSE VF): study protocol for a randomized controlled trial. Trials. 2020;21 (1):977. doi: 10.1186/s13063-020-04904-z. PubMed PMID:33243277 PubMed Central PMC7689391.
  4. Dixon, AL, McCully, BH, Rick, EA, Dewey, E, Farrell, DH, Morrison, LJ et al.. Tranexamic acid administration in the field does not affect admission thromboelastography after traumatic brain injury. J Trauma Acute Care Surg. 2020;89 (5):900-907. doi: 10.1097/TA.0000000000002932. PubMed PMID:33105308 PubMed Central PMC7878849.
  5. Grunau, B, Kime, N, Leroux, B, Rea, T, Van Belle, G, Menegazzi, JJ et al.. Association of Intra-arrest Transport vs Continued On-Scene Resuscitation With Survival to Hospital Discharge Among Patients With Out-of-Hospital Cardiac Arrest. JAMA. 2020;324 (11):1058-1067. doi: 10.1001/jama.2020.14185. PubMed PMID:32930759 PubMed Central PMC7492914.
  6. Rowell, SE, Meier, EN, McKnight, B, Kannas, D, May, S, Sheehan, K et al.. Effect of Out-of-Hospital Tranexamic Acid vs Placebo on 6-Month Functional Neurologic Outcomes in Patients With Moderate or Severe Traumatic Brain Injury. JAMA. 2020;324 (10):961-974. doi: 10.1001/jama.2020.8958. PubMed PMID:32897344 PubMed Central PMC7489866.
  7. Morrison, LJ. Role of Vasopressors in Cardiac Arrest. Crit Care Clin. 2020;36 (4):715-721. doi: 10.1016/j.ccc.2020.07.009. PubMed PMID:32892824 .
  8. Sun, CLF, Karlsson, L, Morrison, LJ, Brooks, SC, Folke, F, Chan, TCY et al.. Effect of Optimized Versus Guidelines-Based Automated External Defibrillator Placement on Out-of-Hospital Cardiac Arrest Coverage: An In Silico Trial. J Am Heart Assoc. 2020;9 (17):e016701. doi: 10.1161/JAHA.120.016701. PubMed PMID:32814479 PubMed Central PMC7660789.
  9. Tijssen, JA, To, T, Morrison, LJ, Alnaji, F, MacDonald, RD, Cupido, C et al.. Paediatric health care access in community health centres is associated with survival for critically ill children who undergo inter-facility transport: A province-wide observational study. Paediatr Child Health. 2020;25 (5):308-316. doi: 10.1093/pch/pxz013. PubMed PMID:32765167 PubMed Central PMC7395327.
  10. Lane, DJ, Wunsch, H, Saskin, R, Cheskes, S, Lin, S, Morrison, LJ et al.. Correction to: Epidemiology and patient predictors of infection and sepsis in the prehospital setting. Intensive Care Med. 2020;46 (8):1667-1669. doi: 10.1007/s00134-020-06164-6. PubMed PMID:32607681 .
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Affiliations & Other Activities

  • Scientist, Li Ka Shing Knowledge Institute, St. Michael’s Hospital
  • Clinician Scientist, Emergency Medicine, LKSKI, University of Toronto
  • Director, Collaborative Program in Resuscitation Sciences, University of Toronto
  • Professor, Medicine, University of Toronto
  • Professor, Health Policy, Management and Evaluation, University of Toronto
  • Full member, School of Graduate Studies, University of Toronto
  • Member, Institute of Medical Science, University of Toronto
  • Robert and Dorothy Pitts Chair in Acute Care & Emergency Medicine, St. Michael’s Hospital