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Colon pouch (Mainz III) for continent urinary diversion
Jens-Uwe Stolzenburg1, Thilo Schwalenberg, Evangelos N Liatsikos
1Department of Urology, University of Leipzig, Germany. stolj@medizin.uni-leipzig.de
BJU International
|March 10, 2007
Summary
The Mainz pouch III, a continent cutaneous urinary diversion using only colon, demonstrates high continence rates and few complications, making it a viable alternative for patients requiring urinary diversion, even after pelvic radiation.
Area of Science:
- Urology
- Surgical Oncology
- Reconstructive Surgery
Background:
- Continent cutaneous urinary diversion is crucial for managing bladder dysfunction.
- The Mainz pouch III, utilizing solely colon, has shown promise, particularly in irradiated patients.
Purpose of the Study:
- To evaluate the efficacy and safety of the Mainz pouch III urinary diversion.
- To assess its suitability for a broader patient population, including those with prior radiation therapy.
Main Methods:
- Retrospective analysis of 24 patients undergoing Mainz pouch III urinary diversion.
- Inclusion of patients with malignant and benign conditions, including those with prior pelvic radiotherapy (18 patients).
- Assessment of pouch capacity, continence, catheterization frequency, and complications.
Main Results:
- A mean follow-up of 35 months revealed high continence rates (20/24 patients).
- Four patients experienced mild incontinence due to reduced pouch capacity.
- Complications were minimal, including one outlet stenosis requiring revision; no metabolic acidosis or diarrhea observed.
Conclusions:
- The Mainz pouch III is a safe and effective option for continent urinary diversion.
- Its use can be extended to patients who have undergone pelvic radiation therapy.
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