• Prasad S Patki, Rizwan Hamid, Kirupakar Arumugam, P Julian R Shah, and Mike Craggs.
• Department of Neurourology Spinal Injuries Unit, RNOH, Stanmore, UK. prasadpatki@hotmail.com
• BJU Int. 2006 Jul 1; 98 (1): 77-82.

ObjectiveTo assess, in a prospective study, whether botulinum toxin-type A (BTX-A) injected into the detrusor muscle, can be used as a day-case treatment for drug-resistant neurogenic detrusor overactivity (NDO) in patients with spinal cord injury (SCI).Patients And MethodsBTX-A (Dysport, Ipsen, Luxembourg; 1000 units) was injected cystoscopically into the detrusor muscle of 37 patients with drug-resistant NDO and SCI, as a day-case procedure. The maximum cystometric capacity (MCC), maximum detrusor pressure (MDP), NDO, continence, and anticholinergic requirement were used as outcome variables. The International Consultation on Incontinence questionnaire (ICIQ) was used to assess the patient's quality of life before and after the BTX-A injection.ResultsThe mean follow-up was 7 months. The MCC increased from a mean of 259 to 522 mL, and the MDP decreased from a mean of 54 to 24 cmH2O. Incontinence and NDO were abolished in 82% and 76% patients, respectively. In all, 86% of the patients were able to stop or reduce anticholinergics, with a similar proportion of patients scoring favourably on the ICIQ. The mean duration of improvement was 9 months.ConclusionsInjection with BTX-A is an effective day-case treatment that bridges the gap between oral and invasive surgical treatment of drug-resistant NDO in patients with SCI.

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