Temporary ileostomy for ileal pouch-anal anastomosis. Function and complications

Area of Science:

• Gastroenterology
• Surgical Oncology
• Colorectal Surgery

Background:

• Temporary ileostomies are utilized in ileal pouch-anal anastomosis (IPAA) procedures.
• Assessing the function and complications of temporary ileostomies is essential for patient outcomes.

Purpose of the Study:

• To review the function and complications of temporary ileostomies in patients undergoing IPAA.
• To compare complication rates between complete and incomplete fecal diversion.
• To evaluate complications related to different ileostomy types (loop vs. Brooke) and post-closure issues.

Main Methods:

• Retrospective review of 180 patients who underwent temporary ileostomies for IPAA.
• Categorization of ileostomies into loop (157) and Brooke (23) types.
• Analysis of anastomotic complications, technique-related issues, peristomal irritation, and post-take-down complications.

Main Results:

• Incomplete fecal diversion significantly increased pouch-anal anastomotic complications (44% vs. 14%).
• Loop ileostomies had higher rates of technique-related complications (18% vs. 13%) and peristomal irritation (54% vs. 26%) compared to Brooke ileostomies.
• Post-take-down complications included transient bowel obstruction (13%) and peritonitis (7%), unrelated to stoma type or closure interval.

Conclusions:

• Temporary diversion via ileostomy effectively decreases anastomotic complications in IPAA.
• Temporary ileostomies are associated with significant risks, emphasizing the need for careful surgical technique.
• Minimizing complications requires meticulous surgical execution and appropriate patient selection.