Anogenital electrical stimulation as treatment of urge incontinence in children

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Abstract
Objectives To evaluate retrospectively the result of anogenital afferent stimulation (AGAS) in neurological healthy children with therapy‐resistant urge incontinence. Patients and method The study included 48 children (24 girls and 24 boys, 5–14 years old) with a diagnosis of bladder instability verified by cystometry in all. Anogenital afferent stimulations were applied using a battery‐powered dual constant‐current stimulator. The children were stimulated continuously at 10 Hz for 20 min once or twice daily and if required the children and/or the parents continued to apply the treatment at home. For home stimulation a single (anal) channel stimulator was used. The patients were instructed to stimulate for 20 min at maximum intensity two to three times a week until the effects were optimal. The outcome was evaluated retrospectively by comparing voiding/incontinence diaries obtained before and at the follow‐up 6–12 months after the end of treatment. Results AGAS was applied at the clinic for a median (range) of 9 (4–20) times. Thirty‐one children continued with home stimulation for another 25 (5–96) sessions. At the follow‐up, 18 children were cured and another seven improved, with a leakage score of less than half that before treatment. The treatment was well tolerated by most children. Conclusions Anogenital afferent stimulation is an effective, potentially curative treatment in children with severe urge incontinence. Home stimulation is a well accepted adjuvant to treatment at the clinic and improves the outcome.