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In recent decades, intradetrusor injections of botulinum toxin A (BoNT-A) have been widely applied to treat incontinence in both idiopathic overactive bladder (iOAB) and neurogenic detrusor overactivity incontinence (NDOI). This analysis, based on the French National Hospital Discharge Database (PMSI), aims to describe real-world trends in intradetrusor BoNT-A use between 2014 and 2022. Among 32,864 patients who received at least one intradetrusor BoNT-A injection, 18,320 (55.7%) had conditions coded under iOAB, 13,376 (40.7%) under NDOI, and 1168 (3.6%) under other indications. The overall mean interval between two intradetrusor BoNT-A injections was 9.7 months, ranging from 8.7 months in patients with multiple sclerosis (MS) to 11.5 months in patients with cerebral pathologies. The median number of injections was two (quartile 1–quartile 3, 1–4) in patients with spina bifida, whereas it was five (2–10) in those with MS. Only 31% of patients with iOAB received more than two intradetrusor BoNT-A injections. Regardless of its indication, BoNT-A was well tolerated. Adverse events occurring during or requiring hospitalization included infections (3.8%), hematuria (0.53%), and bleeding episodes necessitating transfusions (0.11%), all recorded within the initial month following BoNT-A injection. Our analysis of the PMSI database highlights a broad spectrum of intradetrusor BoNT-A injection practices.
Ruffion et al. (Tue,) studied this question.