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The Yang-Monti ileovesicostomy: a problematic channel?
B Narayanaswamy1, D T Wilcox, P M Cuckow
1Department of Paediatric Urology, Great Ormond Street Hospital, London, UK.
BJU International
|June 20, 2001
Summary
The appendix is the preferred material for creating Mitrofanoff channels, offering fewer catheterization issues compared to small bowel segments. Small bowel conduits show a higher rate of complications, including pouch formation.
Area of Science:
- Urology
- Pediatric Surgery
Background:
- The Mitrofanoff procedure creates a channel for bladder management.
- Choosing the optimal conduit material is crucial for long-term success.
Purpose of the Study:
- To compare the quality and complication rates of Mitrofanoff channels constructed from appendix versus re-tubularized small bowel (Yang-Monti ileovesicostomy).
Main Methods:
- Retrospective review of 92 patients undergoing 94 Mitrofanoff procedures over a 5-year period.
- Analysis of data including patient diagnoses, age, follow-up duration, and complication types.
Main Results:
- Appendix conduits (69 cases) had 27% catheterization problems, 15% stomal stenosis, and 7% stomal prolapse.
- Yang-Monti ileovesicostomy conduits (25 cases) had 60% catheterization problems, comparable stenosis rates, and a unique 28% incidence of pouch formation.
- No stomal prolapse was observed in the Yang-Monti group.
Conclusions:
- Appendix is the conduit of choice for Mitrofanoff procedures due to lower complication rates.
- Re-tubularized small bowel conduits present a significantly higher incidence of catheterization problems.
- Anatomical factors specific to the Yang-Monti channel may lead to pouch formation.