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[Clinical experience with the artificial urinary sphincter AMS 800 for male incontinence].

AbstractBACKGROUND:
The aim of this study is to evaluate the therapeutic efficacy of artificial urinary sphincter AMS 800 implants for male patients with urinary incontinence.
METHODS:
Eleven male patients with urinary incontinence were treated by implantation of the artificial urinary sphincter AMS 800 between 1988 and 1992. Patient age at the surgery ranged from 14 to 79 years, with a mean age of 58 years. At presentation, 9 patients (82%) had true incontinence and 2 had overflow incontinence, and medical treatments and/or surgical procedures (Teflon injections in 2 and Sling procedure in 1) had been attempted previously elsewhere in all patients. The etiologies of incontinence were post-prostatectomy (transurethral resection in 4 and radical retropubic prostatectomy in 4) in 8 patients (73%) and myelomeningocele, spinal cord injury, pelvic trauma in one each. There were 5 patients with abnormal cystometrogram, and 2 of them were performing intermittent self catheterization. Vesicoureteral reflux was determined in 2 patients preoperatively, which were surgically corrected one year before AMS800 implant in a patient and simultaneously in another patient. The cuff was placed around the bulbous urethra (9), pendulous urethra (1) or bladder neck (1). The device was activated 6 weeks post implantation, and the assessment of therapeutic effects was started 2 weeks after activation.
RESULTS:
Follow up ranged from 3 weeks to 75 months, with a mean of 56 months, if 3 cases done explantation due to periprosthetic infections were excluded. After AMS 800 implantation 5 patients (45%) were completely continent, 4(36%) required the use of not more than 1 pad per day, while a patient was not satisfied with the results and another patient was not definitive because of early explantation before device activation. Hence complete or near complete continence was achieved in 9 patients (81%). A patient is performing intermittent self catheterization in conjunction with the AMS 800 without any complications up until now. There were 3 periprosthetic infections (27%) associated with 2 cuff erosions, that consequently required explantation. Besides periprosthetic infection, neither complications nor mechanical device failures was experienced.
CONCLUSION:
In conclusion, the AMS 800 artificial urinary sphincter was safe with reasonable mechanical reliability and offered acceptable and satisfactory urinary control to the selected patients with incontinence.
AuthorsA Fujino, N Maru, A Ohkawa, J Kurokawa, M Nagata, J Fukui, T Uchida, E Yokoyama, S Mashimo, K Koshiba
JournalNihon Hinyokika Gakkai zasshi. The japanese journal of urology (Nihon Hinyokika Gakkai Zasshi) Vol. 86 Issue 12 Pg. 1770-5 (Dec 1995) ISSN: 0021-5287 [Print] Japan
PMID8717219 (Publication Type: Clinical Trial, English Abstract, Journal Article)
Topics
  • Adolescent
  • Adult
  • Aged
  • Humans
  • Male
  • Middle Aged
  • Postoperative Complications
  • Prostatectomy
  • Prostheses and Implants
  • Urinary Incontinence (etiology, physiopathology, surgery)

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