Achieving ileostomy continence with an indwelling stomal device

Area of Science:

• Gastroenterology
• Surgical Innovation
• Animal Models

Background:

• Brooke ileostomy is a common surgical procedure for fecal diversion.
• Achieving fecal continence after ileostomy remains a clinical challenge.
• Current methods for managing ileostomy output can be burdensome for patients.

Purpose of the Study:

• To evaluate the tolerance and efficacy of intermittent ileostomy occlusion in dogs.
• To assess the impact of occlusion on intestinal function and absorption.
• To determine if ileostomy occlusion can lead to a functional ileal reservoir.

Main Methods:

• Brooke ileostomies were created in seven dogs.
• Four dogs received an indwelling intraluminal device for intermittent occlusion.
• Three dogs served as unobstructed controls; all dogs were studied for 20 weeks.

Main Results:

• Complete fecal continence was achieved during occlusion periods up to 6 hours twice daily.
• Occluded dogs developed a more dilated and compliant distal ileum with slower transit.
• Ileal absorption of water, glucose, sodium, and chloride, and fat absorption remained unimpaired.

Conclusions:

• Chronic intermittent ileostomy occlusion is well-tolerated in dogs.
• Ileostomy occlusion can achieve fecal continence and create a functional ileal reservoir.
• Intestinal absorptive function is not compromised by intermittent ileostomy occlusion.