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Related Experiment Video

Updated: May 23, 2026

Retzius-Sparing Robot-Assisted Radical Prostatectomy
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Urodynamic quantification of decrease in sphincter function after radical prostatectomy: relation to postoperative

Yvette D Dubbelman1, Jan Groen, Mark F Wildhagen

  • 1Department of Urology, St. Elisabeth Hospital, Tilburg, The Netherlands. y.dubbelman@elisabeth.nl

Neurourology and Urodynamics
|April 11, 2012
PubMed
Summary

Radical retropubic prostatectomy significantly impacts urethral sphincter function, with lower preoperative maximum urethral closure pressure (MUCP) predicting incontinence. Intensive pelvic floor muscle exercises (PFME) did not improve outcomes.

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Area of Science:

  • Urology
  • Pelvic Floor Health
  • Surgical Outcomes

Background:

  • Radical retropubic prostatectomy (RRP) can affect urethral sphincter function and lead to post-operative incontinence.
  • Urethral pressure profilometry (UPP) is a key method for assessing urethral sphincter function.
  • Pelvic floor muscle exercises (PFME) are often recommended to improve continence after RRP.

Purpose of the Study:

  • To analyze the impact of RRP on urethral sphincter function using UPP.
  • To correlate UPP findings with post-RRP continence status.
  • To evaluate the effect of intensive PFME on urethral sphincter function post-RRP.

Main Methods:

  • Sixty-six patients undergoing RRP were assessed using UPP before surgery and 26 weeks post-catheter removal.
  • Patients received PFME instructions, with varying intensity: folder-only (F-PFME) vs. intensive physiotherapist guidance (PG-PFME).

Main Results:

  • Post-RRP, median functional profile length decreased by 64% and maximum urethral closure pressure (MUCP) by 41%.
  • Men achieving continence had significantly higher pre- and post-operative MUCP.
  • Non-nerve sparing RRP was linked to a greater MUCP decrease; no significant UPP differences were found between PFME groups.

Conclusions:

  • Preoperative MUCP is a prognostic factor for persistent incontinence after RRP.
  • Non-nerve sparing approach negatively impacts urethral sphincter function post-RRP.
  • Intensive physiotherapy did not show additional benefit for UPP-measured sphincter function post-RRP.