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Outcomes for Intravesical Abobotulinumtoxin A (Dysport) Treatment in the Active Management of Overactive Bladder
Marius Craciun1, Paul P Irwin1
1Michael Heal Department of Urology, Mid Cheshire Hospitals NHS Trust, Crewe, Cheshire, UK.
Objective:
To present the results our active management protocol for bothersome overactive bladder (OAB) symptoms using abobotulinumtoxinA (Dysport) over a 9-year period.
Material And Methods:
Data from consecutive patients with OAB symptoms due to urodynamically-proven idiopathic detrusor overactivity who had failed maximum-dose pharmacotherapy and bladder drill were reviewed. All patients completed the Overactive Bladder Symptom Score (OABSS) and Likhart quality of life indices before treatment and again at review 6 weeks post-treatment. Two hundred and fifty units of abobotulinumtoxinA were injected under general anaesthesia. Repeat treatment was offered only after failed resumption of pharmacotherapy with bladder drill.
Results:
The results of 299 treatments in 170 patients were reviewed. OABSS and quality of life indices improved by a mean of 35% (P ˂.001) and 41% (P ˂.001), respectively, with the OABSS improving by 2 or more points in 65% of cases. While urgency incontinence was completely abolished in 26%, the severity of incontinence was reduced in 44%. Pharmacotherapy was resumed after a mean of 10.2 months, and the mean interval between repeat abobotulinumtoxinA injection treatments was 21.3 months. De-novo self-catheterization was required in 18.2% of cases due to high postvoid residuals.
Conclusion:
The use of abobotulinumtoxinA is safe and highly effective treatment option for patients with refractory OAB symptoms. Our data show similar outcomes to onabotulinumtoxinA in terms of symptom score improvement and self-catheterization rates.
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