Evaluation and management of malfunctioning artificial urinary sphincters

M. Schettini, M. Diana, M. Gallucci

Research output: Contribution to journalArticlepeer-review


We report our experience of mechanical malfunctions after AMS 800 artificial urinary sphincter placement. From 1989 to 1997, 42 patients (39 men, 3 women with a mean age of 69 years) underwent artificial sphincter implantation. 5 required explantation of the prosthesis because of infection. The following mechanical malfunctions occurred: 2 cases of air bubbles, 3 cases of pump overturning with tube kinking, 16 cases of persistent or recurrent incontinence 6 to 61 months postoperatively, 1 case of cuff opening during sexual intercourse. Several complications may arise after artificial sphincter placement (infection, urethral erosion, mechanical malfunction). In the last instances, we emphasize the importance of an accurate diagnosis for the correct choice of treatment.

Original languageEnglish
Pages (from-to)301-304
Number of pages4
JournalActa Urologica Italica
Issue number6
Publication statusPublished - 1998


  • Artificial urinary sphincter
  • Malfunctioning
  • Urinary incontinence

ASJC Scopus subject areas

  • Urology

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