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Cystoplasty: tubularisation or detubularisation?

C Cheng1, H N Whitfield

  • 1Department of Urology, St Bartholomew's Hospital, London.

British Journal of Urology
|July 1, 1990
PubMed
Summary
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This study compared various cystoplasty techniques in an animal model. Detubularisation altered bowel contractions, and all techniques showed potential for kidney functional disturbance, suggesting volume management is key.

Area of Science:

  • Urology
  • Surgical Innovation
  • Gastroenterology

Background:

  • Augmentation cystoplasty techniques vary, with no consensus on the optimal surgical approach.
  • Existing research highlights numerous methods but lacks comparative data on bowel segment performance.

Purpose of the Study:

  • To compare tubularised versus detubularised cystoplasties using ileum and caecum in an animal model.
  • To evaluate the impact of surgical technique on intrinsic bowel contractions and kidney function post-cystoplasty.

Main Methods:

  • An animal model was utilized to compare different cystoplasty configurations (tubularised and detubularised) using ileum and caecum.
  • Intrinsic bowel contractions were assessed, alongside upper tract anatomy via intravenous urography and kidney function via isotope renography.

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Main Results:

  • Detubularisation did not eliminate, but delayed, intrinsic bowel contractions without affecting their frequency or amplitude.
  • No significant differences in contraction patterns were observed between large and small bowel segments post-detubularisation.
  • Isotope renography revealed functional kidney disturbances in a significant number of animals, irrespective of the specific cystoplasty technique used.

Conclusions:

  • While detubularisation modifies bowel contractions, it does not eliminate them, and all cystoplasty techniques carry a risk of kidney functional disturbance.
  • Preventing excessive bladder volume buildup may mitigate harmful contractions and associated renal complications.