John Marshall

MD, FRCSC, FACS, FCAHS

Co-Director, Critical Illness and Injury Research Centre

Biography

Dr. John Marshall is a Professor of Surgery at the University of Toronto, and a Trauma Surgeon and Intensivist at St. Michael’s Hospital in Toronto, Canada.  His academic interests are sepsis, trauma, and the innate immune response.  His laboratory studies the cellular mechanisms that prolong neutrophil survival in critical illness by preventing neutrophil programmed cell death, or apoptosis.  Professor Marshall has an active clinical research interest in sepsis and Intensive Care Unit-acquired infection, and in the design of clinical trials and outcome measures.  He has published 315 manuscripts, and 80 book chapters, and is the editor of 2 books.  He is the founding chair of the International Forum of Acute Care Trialists (InFACT) – a global network of investigator-led critical care clinical research groups, Secretary-General of the World Federation of Societies of Intensive and Critical Care Medicine, and vice-chair of the International Severe Acute Respiratory Infections Consortium.  He is past-chair of the International Sepsis Forum, past-President of the Surgical Infection Society, and past-chair of the Canadian Critical Care Trials Group.  He has given invited lectures at more than 460 meetings around the world, and is a member of the editorial boards of seven journals.

Recent Publications

  1. Maslove, DM, Shapira, T, Tyryshkin, K, Veldhoen, RA, Marshall, JC, Muscedere, J et al.. Response to Letter to the Editor (Mangioni et al). J Crit Care. 2019; :. doi: 10.1016/j.jcrc.2019.03.004. PubMed PMID:30922781 .
  2. Panaccione, R, Steinhart, AH, Bressler, B, Khanna, R, Marshall, JK, Targownik, L et al.. Clinical Practice Guideline for the Management of Luminal Crohn's Disease: The Toronto Consensus. Clin. Gastroenterol. Hepatol. 2019; :. doi: 10.1016/j.cgh.2019.02.043. PubMed PMID:30853616 .
  3. Marshall, JC, Walker, PM, Dellinger, RP. The Role of Endotoxin in Septic Shock-Reply. JAMA. 2019;321 (9):903. doi: 10.1001/jama.2018.20882. PubMed PMID:30835306 .
  4. Hoekstra, M, Maslove, DM, Veldhoen, RA, Marshall, JC, Muscedere, J. Insights Into a "Negative" ICU Trial Derived From Gene Expression Profiling. Crit. Care Med. 2019; :. doi: 10.1097/CCM.0000000000003693. PubMed PMID:30817329 .
  5. Ruel-Laliberté, J, Lessard Bonaventure, P, Fergusson, D, Lacroix, J, Zarychanski, R, Lauzier, F et al.. Effect of age of transfused red blood cells on neurologic outcome following traumatic brain injury (ABLE-tbi Study): a nested study of the Age of Blood Evaluation (ABLE) trial. Can J Anaesth. 2019;66 (6):696-705. doi: 10.1007/s12630-019-01326-7. PubMed PMID:30809776 .
  6. Schlosser, K, Wang, JP, Dos Santos, C, Walley, KR, Marshall, J, Fergusson, DA et al.. Effects of Mesenchymal Stem Cell Treatment on Systemic Cytokine Levels in a Phase 1 Dose Escalation Safety Trial of Septic Shock Patients. Crit. Care Med. 2019; :. doi: 10.1097/CCM.0000000000003657. PubMed PMID:30720538 .
  7. Papp, KA, Haraoui, B, Kumar, D, Marshall, JK, Bissonnette, R, Bitton, A et al.. Vaccination Guidelines for Patients with Immune-mediated Disorders Taking Immunosuppressive Therapies: Executive Summary. J. Rheumatol. 2019; :. doi: 10.3899/jrheum.180784. PubMed PMID:30709945 .
  8. Dufresne, J, Bowden, P, Thavarajah, T, Florentinus-Mefailoski, A, Chen, ZZ, Tucholska, M et al.. The plasma peptides of ovarian cancer. Clin Proteomics. 2018;15 :41. doi: 10.1186/s12014-018-9215-z. PubMed PMID:30598658 PubMed Central PMC6302491.
  9. Lamarche, D, Johnstone, J, Zytaruk, N, Clarke, F, Hand, L, Loukov, D et al.. Microbial dysbiosis and mortality during mechanical ventilation: a prospective observational study. Respir. Res. 2018;19 (1):245. doi: 10.1186/s12931-018-0950-5. PubMed PMID:30526610 PubMed Central PMC6286574.
  10. Dufresne, J, Bowden, P, Thavarajah, T, Florentinus-Mefailoski, A, Chen, ZZ, Tucholska, M et al.. The plasma peptidome. Clin Proteomics. 2018;15 :39. doi: 10.1186/s12014-018-9211-3. PubMed PMID:30519149 PubMed Central PMC6271647.
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Affiliations & Other Activities

  • Scientist, Keenan Research Centre for Biomedical Science
  • Trauma Surgeon and Intensivist, St. Michael’s Hospital
  • Professor, Department of Surgery, University of Toronto
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