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The urodynamic evaluation of neuromodulation in patients with voiding dysfunction
K Everaert1, H Plancke, F Lefevere
1Department of Urology, University of Ghent, Belgium.
British Journal of Urology
|May 1, 1997
Summary
Neuromodulation is effective for voiding dysfunction in patients with hypocontractile detrusors or spastic pelvic floor syndrome. Urodynamics identified ideal candidates by assessing bladder contractility and sphincter function.
Area of Science:
- Urology
- Neuroscience
- Medical Technology
Background:
- Voiding dysfunction affects a significant patient population.
- Neuromodulation offers a potential treatment avenue for complex voiding issues.
- Objective urodynamic assessment is crucial for treatment selection.
Purpose of the Study:
- To identify patient profiles suitable for neuromodulation therapy.
- To utilize urodynamics for objective evaluation of treatment efficacy.
- To elucidate the impact of neuromodulation on voiding dysfunction.
Main Methods:
- Urodynamic evaluation was performed pre- and during stimulation in 27 patients.
- Patients were selected for neuroprosthesis implantation based on urodynamic findings.
- Subchronic stimulation was used to assess treatment response.
Main Results:
- Seventeen patients with hypocontractile detrusors and sphincter hypertonicity responded well.
- Impaired sphincter relaxation during micturition was noted in responders.
- Nine out of ten patients with spastic pelvic floor syndrome showed positive response.
Conclusions:
- Ideal candidates for neuromodulation include those with spastic pelvic floor syndrome or hypocontractile detrusor.
- Sphincter instability and impaired relaxation are key indicators for successful treatment.
- Positive response is characterized by increased bladder contractility and improved sphincter relaxation.