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Objective: To determine how many Level 1 and Level 2 trauma centres in Canada have implemented a resuscitative endovascular balloon occlusion of the aorta (REBOA) program, and to identify facilitators and barriers to successful implementation of REBOA programs., Methods: An electronic survey was developed and administered in November 2019 (updated in July 2021) via email to directors at all 32 Level 1 and Level 2 trauma centres across Canada, and to the medical director in PEI (no Level 1 or Level 2 capacity). Survey responses were supplemented by an online search in PubMed and the grey literature. Responses were analyzed using simple descriptive statistics including frequencies and proportions., Results: We received responses from directors at 22 sites (17 Level 1 trauma centres, 4 Level 2 trauma centres, PEI) for a response rate of 66.7%. There are 6 Level 1 trauma centres with REBOA programs; all were implemented between 2017 and 2019. One additional Level 1 trauma centre that did not respond was found to have a REBOA program; thus, 21.9% (7/32) of Canadian Level 1 and Level 2 trauma centres have an existing REBOA program. These programs are located in three provinces (British Columbia, Ontario, Quebec). Five other centres are planning on implementing a REBOA program in the next 2 years. The number of REBOA cases performed ranged from 0 to 30 (median 2). Factors contributing most to successful program implementation were having physician champions and patient populations with sufficient REBOA candidates, while cost and lack of expertise were the greatest barriers identified., Conclusion: As of July 2021, 21.9% (7/32) of Canadian Level 1 and Level 2 trauma centres have a REBOA program. Physician champions and a patient population with sufficient numbers of REBOA candidates were the most important factors contributing to successful implementation of these programs., (© 2021. The Author(s), under exclusive licence to Canadian Association of Emergency Physicians (CAEP)/ Association Canadienne de Médecine d'Urgence (ACMU).)