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Related Experiment Videos

The Mainz pouch II

M Fisch1, R Wammack, S C Müller

  • 1Department of Urology, University of Mainz School of Medicine, FRG.

European Urology
|January 1, 1994
PubMed
Summary
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The Mainz pouch II procedure offers improved urinary diversion by reducing pressure and preventing ureteral kinking. This technique demonstrates high rates of daytime and nighttime continence in patients, including children.

Area of Science:

  • Urology
  • Surgical Innovation

Background:

  • Ureterosigmoidostomy carries risks like ureteral kinking and upper tract dilatation.
  • The Mainz pouch II procedure is a modification aimed at mitigating these risks.

Purpose of the Study:

  • To evaluate the efficacy and safety of the Mainz pouch II procedure for urinary diversion.
  • To assess postoperative continence and urodynamic parameters.

Main Methods:

  • The Mainz pouch II procedure was performed on 72 patients, including 15 children.
  • Patients were evaluated for daytime and nighttime continence, emptying frequency, and urodynamic/rectodynamic parameters.
  • Follow-up ranged from 1 to 31 months.

Main Results:

  • All 72 patients achieved daytime continence with a mean emptying frequency of 5.

Related Experiment Videos

  • Nighttime continence was achieved in all but one patient, with a mean frequency of 1.
  • Low basal (24 cm H2O) and peak (35 cm H2O) reservoir pressures were recorded.

    • Conclusions:

    • The Mainz pouch II procedure is an effective modification of ureterosigmoidostomy, reducing complications.
    • It offers excellent continence rates and predictable outcomes.
    • Urodynamic evaluation aids in predicting postoperative continence.