• Canadian Critical Care Trials Group
    The Canadian Critical Care Trials Group (CCCTG) is a highly collegial group that is dedicated to the pursuit of excellence and advancement of critical care research in Canada.
  • Canadian Critical Care Trials Group
    The CCCTG has are more than 30 research programs underway and over 100 peer-reviewed publications to its credit, with direct impact on clinical practice in critical care.
  • Canadian Critical Care Trials Group
    The Canadian Critical Care Trials Group (CCCTG) is a national organization of more than 300 individuals with research interests in the management of the critically ill patient.
  • Canadian Critical Care Trials Group
    Endorsement by the CCCTG communicates our full commitment to ensure that the work is undertaken in a rigorous and ethical manner, and communicated in a timely and effective way.


McMaster University Medical Centre



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Joanna Dionne

Joanna is a Gastroenterologist, Methodologist and holds a MSc in Health Research Methodology (HRM) from McMaster. Joanna obtained her Bachelor of Nursing from the University of New Brunswick prior to pursuing graduate training in epidemiology at McMaster. Joanna’s graduate research sought to understand what aspects of ulcerative colitis maintenance therapy were important to patients, and to what degree by using a conjoint analysis methodology. Joanna completed her MD, Internal Medicine and Gastroenterology residency at McMaster and is pursuing a Critical Care Medicine/Clinician Investigator Program Fellowship at McMaster.

Joanna is pursuing a PhD in HRM and is the Principal Investigator (PI) of the international prospective cohort study “Diarrhea, Interventions, Consequences and Epidemiology in the Intensive Care Unit (DICE-ICU) Study”. Joanna was named a DeGroote Scholar during her graduate training and has received peer reviewed funding from Physicians’ Services Incorporated (PSI), the Canadian Association of Gastroenterology (CAG), and the Regional Medical Associates (RMA).

Joanna is currently a Methodologist for the Society for Critical Care Medicine (SCCM) for the Liver Management Guidelines and is a member of the GUIDE Group. Her research focus includes management of gastrointestinal and liver disease during critical illness.