PURPOSE: We studied the effects of sacral (S3) nerve stimulation in patients with urge incontinence due to detrusor instability. MATERIALS AND METHODS: A permanent S3 foramen electrode was implanted in 18 patients (average age 46 years) who had shown a good response during temporary stimulation via a percutaneously placed wire electrode. Average followup was 29 months. RESULTS: The average voiding frequency and pad use per 24 hours decreased significantly. Improvement in several urodynamic parameters was noted. The correlation between symptomatic and urodynamic improvement was incomplete. CONCLUSIONS: Neuromodulation appears to be a valuable treatment option in these patients.
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Bosch et al. (1995) studied this question.
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