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The model AS 800 artificial urinary sphincter: Mayo Clinic experience - PubMed

The model AS 800 artificial urinary sphincter: Mayo Clinic experience

B Goldwasser et al. J Urol. 1987 Apr.

Abstract

The model AS 800 artificial urinary sphincter was implanted in 100 male and 9 female patients between 7 and 89 years old. Postoperative followup was 1 to 32 months. The indication for implantation was total urinary incontinence in 86 patients (78.9 per cent), stress incontinence in 22 (21.2 per cent) and urgency incontinence in 1 (0.9 per cent). Of the patients 97 (89 per cent) underwent implantation for the first time, 7 (6.4 per cent) had a previous artificial urinary sphincter model replaced by the AS 800 device and 5 (4.6 per cent) underwent reimplantation of a previous model. The cuff was placed around the bladder neck in all 9 female patients, whereas in the male patients the cuff was implanted around the bladder neck in 20 and around the bulbous urethra in 80. Thirty-one patients (28.4 per cent), 29 of whom were continent at night, were practicing nocturnal deactivation of the device. Complete post-activation continence was achieved in 91 patients (83.5 per cent), some leakage occurred in 10 (9.2 per cent) and 8 (7.3 per cent) remained incontinent. A total of 23 patients required 1 or more revisions, the most common indications for the first revision being loss of cuff compression (9), tubing kink (3), cuff erosion (3) and infection (2). At the time of this report 89 patients (81.7 per cent) were continent, 9 (8.3 per cent) still had some leakage, 3 (2.8 per cent) were incontinent, 5 (4.6 per cent) were awaiting reimplantation and 3 (2.8 per cent) had died of unrelated causes.

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