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Related Experiment Videos

Neurostimulation for lower urinary tract voiding problems.

V Grüenewald1, U Jonas

  • 1Urologische Klinik, Medizinische Hochschule, Hannover Carl-Neuberg-Str. 1, D-30625, Hannover, Germany. gruenewald.volker@mh-hannover.de

Current Urology Reports
|June 27, 2002
PubMed
Summary
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Chronic sacral neuromodulation effectively treats urinary retention and motor urge incontinence. This therapy provides lasting symptom improvement for over 75% of patients, offering a sustained benefit compared to temporary methods.

Area of Science:

  • Neurology
  • Urology
  • Biomedical Engineering

Background:

  • Lower urinary tract dysfunction can be refractory to conservative treatments.
  • Chronic electrical stimulation of sacral nerves was introduced in 1981 for these conditions.
  • Sacral neuromodulation involves implanting electrodes and a pulse generator.

Purpose of the Study:

  • To evaluate the efficacy of chronic unilateral S3 sacral spinal nerve stimulation.
  • To assess long-term outcomes in patients with vesicourethral dysfunction.
  • To compare chronic neuromodulation with temporary techniques.

Main Methods:

  • Chronic unilateral electrical stimulation of the S3 sacral spinal nerve was applied.
  • 55 patients with vesicourethral dysfunction were treated.

Related Experiment Videos

  • A mean postoperative follow-up of 44.3 months was conducted.

    • Main Results:

    • Symptomatic improvement exceeding 50% was achieved in 76.2% of motor urge incontinence patients (16/21).
    • Symptomatic improvement exceeding 50% was achieved in 78.6% of urinary retention patients (22/28).
    • Chronic neuromodulation demonstrated sustained therapeutic effects.

    Conclusions:

    • Chronic sacral neuromodulation offers a sustained therapeutic effect for treatment responders.
    • It is particularly beneficial for patients with urinary retention and motor urge incontinence.
    • Consider chronic neuromodulation for patients who refuse temporary techniques or find them difficult.