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Related Experiment Videos

Micturition after cystoplasty.

S T Lim, K K Wong, M K Li

    Annals of the Academy of Medicine, Singapore
    |October 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Bladder replacement surgery (cystoplasty) using colon, ileum, or stomach allows for neobladder formation. Most patients achieve continence through abdominal straining, with regular voiding, though nighttime incontinence can occur after radical cystectomy.

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    Area of Science:

    • Urology
    • Surgical Oncology

    Background:

    • Radical cystectomy is a treatment for advanced bladder cancer.
    • Bladder replacement (cystoplasty) with gastrointestinal segments is an option for urinary diversion.

    Purpose of the Study:

    • To evaluate the micturition patterns and outcomes in patients undergoing cystoplasty for bladder replacement or augmentation.

    Main Methods:

    • Study included 32 patients who underwent cystoplasty (using colon, ileum, or stomach) after cystectomy or subtotal cystectomy.
    • Micturition patterns were assessed, including emptying mechanisms and continence via cystometric studies.

    Main Results:

    • Neobladder emptying primarily relies on abdominal straining, not spontaneous gastrointestinal segment contraction.

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  • Most patients experience urinary continence during waking hours with voiding every 2-3 hours.
  • Nighttime incontinence is common after radical total cystectomy.
  • No significant differences in voiding pattern, capacity, or residual volume were observed between different graft materials (colon, ileum, stomach).

    • Conclusions:

    • Cystoplasty provides a viable option for bladder reconstruction, with functional voiding achieved mainly through straining.
    • Graft material choice does not significantly impact key functional outcomes, though stomach grafts may pose early incontinence risks in females.