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Deborah Siegal, MD MSc FRCPC

Associate Professor
University of Ottawa and Ottawa Hospital Research Institute
Ottawa, Ontario, Canada

Dr. Deborah Siegal MD MSc (Pharm, Clin Epi) FRCPC is a Hematologist (Thrombosis) at The Ottawa Hospital, an Associate Professor of Medicine at the University of Ottawa and Scientist at the Ottawa Hospital Research Institute. She holds a Tier 2 Canada Research Chair in Anticoagulant Treatment of Cardiovascular Disease. She received MSc degrees in Pharmacology and Health Research Methodology.

Her primary research aims to improve outcomes after bleeding and urgent surgery among anticoagulant-treated individuals including strategies for anticoagulant reversal and restarting anticoagulants. She is also investigating the diagnosis and management of ischemic stroke after cancer diagnosis, and the optimal cancer screening strategy among individuals with cryptogenic ischemic stroke. Finally, she has investigated blood conservation in critically ill patients including a recent a cluster randomized trial of 27,000 patients which showed that a simple switch to lower volume blood collection tubes reduced transfusion.

She holds peer-reviewed grants from the Canadian Institutes of Health Research, CanVECTOR/Heart and Stroke Foundation of Canada, American Society of Hematology, Brain Canada, and Ontario Foundation for Innovation.

She has published over 145 peer-reviewed articles (h-index 42) including high-impact journals such the New England Journal of Medicine, Circulation, Annals of Internal Medicine, Canadian Medical Association Journal, Blood and Journal of Thrombosis and Haemostasis.

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