The frequency of ostomy surgery in Canada is not known, but it is estimated that approximately 13,000 ostomy surgeries are performed annually in Canada. This systematic review incorporates evidence for the assessment and management of colostomies, ileostomies, and urostomies, as well as the peristomal skin. The review was completed as part of a best practice guideline document generated by a task force appointed by the Registered Nurses' Association of Ontario.