Abstract
PURPOSE: The aim of this trial was to evaluate the safety, efficacy, and impact on quality of life of the Acticon™ artificial bowel sphincter for fecal incontinence. METHODS: A multicenter, prospective, nonrandomized clinical trial was conducted under a common protocol. Patients were evaluated with anal physiology, endoanal ultrasonography, a fecal incontinence scoring system, fecal incontinence quality of life assessment, and overall health evaluation. Patients with a fecal incontinence score of 88 or greater (scale, 1–120) were considered candidates for the study. Implanted patients underwent identical reevaluation at 6 and 12 months postimplant. RESULTS: One hundred twelve of 115 patients (86 females) enrolled were implanted. Mean age was 49 (range, 18–81) years. A total of 384 device-related or potentially device-related adverse events were reported in 99 enrolled patients. Of these events, 246 required no intervention or only noninvasive intervention. Seventy-three revisional operations were required in 51 (46 percent) of the 112 implanted patients. Infection rate necessitating surgical revision was 25 percent. Forty-one patients (37 percent) have had their devices completely explanted, of which 7 have had successful reimplantations. In patients with a functioning neosphincter, improvement in quality of life and anal continence was documented. Mean matched fecal incontinence scores in 63 patients at 6 months follow-up was improved from 105 preimplant to 51 postimplant. In 55 patients at 12 months follow-up, mean matched fecal incontinence scores were 105 preimplant vs. 48 postimplant. A successful outcome was achieved in 85 percent of patients with a functioning device. Intention to treat success rate was 53 percent. CONCLUSIONS: Although morbidity and the need for revisional surgery are high, the artificial bowel sphincter can improve anal incontinence and quality of life in patients with severe fecal incontinence.
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Wong, W.D., Congliosi, S.M., Spencer, M.P. et al. The Safety and Efficacy of the Artificial Bowel Sphincter for Fecal Incontinence. Dis Colon Rectum 45, 1139–1153 (2002). https://doi.org/10.1007/s10350-004-6381-z
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DOI: https://doi.org/10.1007/s10350-004-6381-z