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[The Mitrofanoff pouch in lower urinary tract reconstruction]
1Urology Dept., Chaim Sheba Medical Center, Tel Hashomer.
Harefuah
|July 27, 2000
Summary
The MAINZ I urinary reservoir, utilizing the Mitrofanoff principle, offers a continent solution for bladder cancer patients. This technique provides reliable urinary drainage and preserves quality of life post-cystectomy.
Area of Science:
- Urology
- Surgical Oncology
- Reconstructive Surgery
Context:
- The Mitrofanoff principle involves creating a catheterizable stoma using a tubular organ.
- Radical cystectomy and urethrectomy necessitate urinary diversion, often with quality-of-life concerns.
- Ileal conduits are a common diversion but can negatively impact patient lifestyle.
Purpose:
- To evaluate the efficacy and safety of the MAINZ I urinary reservoir in patients undergoing radical cystectomy.
- To assess the feasibility of the Mitrofanoff principle for creating a continent urinary diversion.
- To determine the impact of the MAINZ I reservoir on patient quality of life compared to traditional methods.
Summary:
- A study involving 8 patients (7 men, 1 woman) utilized the MAINZ I urinary reservoir after radical cystectomy and urethrectomy.
- The MAINZ I technique, based on the Mitrofanoff principle, created a continent, catheterizable urinary conduit, often using the umbilicus.
- Postoperative outcomes were generally favorable, with successful urinary drainage and good quality of life, despite minor complications like stenosis in some cases.
Impact:
- The MAINZ I technique provides an excellent surgical option for continent urinary diversion when orthotopic reservoirs are not feasible.
- Utilizing the umbilicus as a stomal site maintains body image and positively influences quality of life.
- This approach demonstrates successful management of bladder cancer with preserved or improved patient lifestyle.