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Related Experiment Videos

Continent diversion with the Mainz pouch

A Lampel1, M Fisch, R Stein

  • 1Department of Urology and Pediatric Urology, University of Witten/Herdecke, Medical School, Wuppertal, Germany.

World Journal of Urology
|January 1, 1996
PubMed
Summary

The Mainz pouch 1 procedure demonstrated high continence rates for bladder augmentation (93%) and orthotopic substitution (95%). Continent cutaneous urinary diversion had a 11% stoma failure rate, with various stenosis complication rates.

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Area of Science:

  • Urology
  • Surgical Oncology

Background:

  • The Mainz pouch 1 is a type of ileal neobladder used for urinary diversion.
  • It has been employed for bladder augmentation, orthotopic bladder substitution, and continent cutaneous urinary diversion.

Purpose of the Study:

  • To evaluate the efficacy and complication rates of the Mainz pouch 1 procedure.
  • To assess patient continence and functional outcomes after different applications of the Mainz pouch 1.

Main Methods:

  • A retrospective analysis of 561 patients who underwent the Mainz pouch 1 procedure between 1983 and July 1994.
  • Patients were categorized into bladder augmentation, orthotopic bladder substitution, and continent cutaneous urinary diversion groups.
  • Complications and continence rates were assessed after a mean follow-up of 57 months.

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Main Results:

  • 93% of bladder augmentation patients achieved complete day and night continence.
  • 95% of orthotopic bladder substitution patients were continent during the daytime.
  • Continent cutaneous urinary diversion showed an 11% stoma failure rate and 13% stoma stenosis rate, with varying management outcomes.

Conclusions:

  • The Mainz pouch 1 procedure offers favorable continence outcomes for bladder augmentation and orthotopic substitution.
  • While effective, continent cutaneous urinary diversion using the Mainz pouch 1 is associated with notable stoma-related complications requiring management.
  • The study highlights the versatility and long-term functional results of the Mainz pouch 1 in diverse urological reconstructive scenarios.