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Related Experiment Videos

Sacral versus pudendal nerve stimulation for voiding dysfunction: a prospective, single-blinded, randomized,

Kenneth M Peters1, Kevin M Feber, Richard C Bennett

  • 1Department of Urology, Ministrelli Program for Urologic Research and Education (MPURE), William Beaumont Hospital, Royal Oak, Michigan 48073, USA. kmpeters@beaumont.edu

Neurourology and Urodynamics
|September 24, 2005
PubMed
Summary

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Pudendal nerve stimulation (PNS) was found to be superior to sacral nerve stimulation (SNS) for treating voiding dysfunction, offering greater symptom reduction and improved pelvic pain, urgency, and frequency. Further research is needed to confirm these findings.

Area of Science:

  • Neurology
  • Urology
  • Pelvic Health

Background:

  • Voiding dysfunction affects a significant portion of the population.
  • Current treatments, including sacral nerve stimulation (SNS), have limitations.
  • Pudendal nerve stimulation (PNS) presents a potential alternative therapy.

Purpose of the Study:

  • To compare the efficacy of sacral nerve stimulation (SNS) versus pudendal nerve stimulation (PNS) in patients with voiding dysfunction.
  • To evaluate patient preference and outcomes between the two stimulation methods.

Main Methods:

  • A blinded, randomized study involving 30 subjects with voiding dysfunction.
  • Placement of tined leads at the S3 sacral region and the pudendal nerve.
  • Each lead was tested for 7 days, with outcomes monitored via voiding diaries and questionnaires.

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Main Results:

  • Pudendal nerve stimulation (PNS) was preferred by the majority of subjects (79.2%) over sacral nerve stimulation (SNS).
  • PNS demonstrated a significantly greater overall reduction in symptoms (63%) compared to SNS (46%).
  • Pudendal nerve stimulation showed superiority in improving pelvic pain, urgency, frequency, and bowel function compared to sacral nerve stimulation.

Conclusions:

  • Pudendal nerve stimulation (PNS) is a viable and potentially superior option for managing voiding dysfunction compared to sacral nerve stimulation (SNS).
  • This study provides initial evidence supporting PNS, with minimal complications observed.
  • Larger studies with longer follow-up are recommended to confirm the long-term efficacy and benefits of PNS.