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The effect of botulinum toxin type a on overactive bladder symptoms in patients with multiple sclerosis: a pilot study


Mehnert, Ulrich; Birzele, Jan; Reuter, Katja; Schurch, Brigitte (2010). The effect of botulinum toxin type a on overactive bladder symptoms in patients with multiple sclerosis: a pilot study. Journal of Urology, 184(3):1011-1016.

Abstract

PURPOSE: Patients with multiple sclerosis often experience overactive bladder symptoms. High dose intradetrusor botulinum toxin A treatment is effective but often results in urinary retention and urinary diversion via a catheter. In this pilot study we evaluated whether only 100 U botulinum toxin A would significantly decrease overactive bladder symptoms in patients with multiple sclerosis without impairing pretreatment voluntary voiding. MATERIALS AND METHODS: Included in our study were 12 patients with multiple sclerosis who had overactive bladder symptoms such as urgency, frequency and/or urgency incontinence. The treatment effect was evaluated using data on 3 consecutive visits, that is before, and a mean +/- SD of 46.2 +/- 11.9 and 101 +/- 21 days after intradetrusor injection of 100 U Botox, including the results of cystometry and uroflowmetry at visits 1 and 2, and uroflowmetry alone at visit 3. Patients completed a 3-day voiding diary for all 3 visits. RESULTS: Maximum bladder capacity significantly increased and maximum detrusor pressure decreased. Daytime and nighttime frequency, urgency and pad use significantly decreased. Post-void residual volume significantly increased initially but decreased until 12 weeks. Median time to re-injection due to recurrent overactive bladder symptoms was 8 months. CONCLUSIONS: Overactive bladder treatment in patients with multiple sclerosis using 100 U Botox intradetrusor injections seems to be effective and safe. Despite slightly impaired detrusor contractility most patients still voided voluntarily without symptoms. Thus, 100 U Botox may be a reasonable treatment option for overactive bladder symptoms in patients with multiple sclerosis who still void voluntarily.

Abstract

PURPOSE: Patients with multiple sclerosis often experience overactive bladder symptoms. High dose intradetrusor botulinum toxin A treatment is effective but often results in urinary retention and urinary diversion via a catheter. In this pilot study we evaluated whether only 100 U botulinum toxin A would significantly decrease overactive bladder symptoms in patients with multiple sclerosis without impairing pretreatment voluntary voiding. MATERIALS AND METHODS: Included in our study were 12 patients with multiple sclerosis who had overactive bladder symptoms such as urgency, frequency and/or urgency incontinence. The treatment effect was evaluated using data on 3 consecutive visits, that is before, and a mean +/- SD of 46.2 +/- 11.9 and 101 +/- 21 days after intradetrusor injection of 100 U Botox, including the results of cystometry and uroflowmetry at visits 1 and 2, and uroflowmetry alone at visit 3. Patients completed a 3-day voiding diary for all 3 visits. RESULTS: Maximum bladder capacity significantly increased and maximum detrusor pressure decreased. Daytime and nighttime frequency, urgency and pad use significantly decreased. Post-void residual volume significantly increased initially but decreased until 12 weeks. Median time to re-injection due to recurrent overactive bladder symptoms was 8 months. CONCLUSIONS: Overactive bladder treatment in patients with multiple sclerosis using 100 U Botox intradetrusor injections seems to be effective and safe. Despite slightly impaired detrusor contractility most patients still voided voluntarily without symptoms. Thus, 100 U Botox may be a reasonable treatment option for overactive bladder symptoms in patients with multiple sclerosis who still void voluntarily.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Balgrist University Hospital, Swiss Spinal Cord Injury Center
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:September 2010
Deposited On:04 Nov 2010 12:26
Last Modified:24 Sep 2019 16:57
Publisher:Elsevier
ISSN:0022-5347
OA Status:Green
Publisher DOI:https://doi.org/10.1016/j.juro.2010.05.035
PubMed ID:20643431

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