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[Sacral neuromodulation for neurogenic bladder dysfunction]
T M Kessler1, J Wöllner, M Kozomara
1Neuro-Urologie, Paraplegikerzentrum, Uniklinik Balgrist, Universität Zürich, Forchstraße 340, CH-8008 Zürich, Schweiz. tkessler@gmx.ch
Der Urologe. Ausg. A
|January 25, 2012
Summary
Sacral neuromodulation (SNM) offers a minimally invasive treatment for refractory neurogenic bladder. This therapy involves implanting a device to modulate nerve signals, improving bladder function for eligible patients.
Area of Science:
- Urology
- Neurology
- Biomedical Engineering
Background:
- Neurogenic bladder dysfunction poses significant challenges in managing urinary issues.
- Sacral neuromodulation (SNM) is an evolving therapeutic option for refractory cases.
- Understanding SNM's efficacy across different neurogenic etiologies is crucial.
Purpose of the Study:
- To evaluate Sacral Neuromodulation (SNM) as a treatment for neurogenic bladder dysfunction.
- To identify patient subgroups and neurological conditions that best respond to SNM.
- To detail the current minimally invasive SNM procedure and its mechanism.
Main Methods:
- A temporary electrode is placed at the S3 or S4 sacral foramen for a trial period.
- Patients monitor bladder diary outcomes during the test phase.
- Permanent neuromodulator implantation follows a successful trial.
Main Results:
- SNM is a minimally invasive procedure performed under local anesthesia.
- The exact mechanism involves modulation of medullary reflexes and central nervous system pathways via afferent nerves.
- Patients experience no activity limitations, but contraindications exist for diathermy, electrocauterization, lithotripsy, and certain imaging.
Conclusions:
- Sacral neuromodulation is a viable, minimally invasive alternative to reconstructive surgery for neurogenic bladder.
- Further research is needed to pinpoint optimal patient selection for SNM.
- Patients with implanted neuromodulators require specific precautions regarding medical procedures.
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