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Original Articles

Urovaginal fistula formation after gynaecological and obstetric surgical procedures: Clinical experiences in a Scandinavian series

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Pages 140-144 | Received 17 May 2012, Accepted 09 Jul 2012, Published online: 08 Aug 2012
 

Abstract

Objective. The aim of this retrospective study was to review what kinds of surgical procedures are most frequently complicated by urovaginal fistulae, to find out how they were diagnosed and managed, and to study the outcome after surgical reconstruction. Material and methods. Nineteen women who underwent fistula repair at Sahlgrenska University Hospital between 2003 and 2009 were retrospectively studied by reviewing the medical records. Results. For 17 of the 19 patients hysterectomy was the causative procedure. Fourteen patients developed vesicovaginal and five developed ureterovaginal fistula. Urethrocystoscopy was sufficient for the diagnosis in nearly 50% of the patients and when combined with methylene blue instillation 90% of all fistulae were found. Several patients sought medical advice due to vaginal leakage following gynaecological surgery without the doctor suspecting a fistula, and for these patients the diagnosis was delayed. Eighteen patients were operated on with an abdominal approach and one with a vaginal approach, in all cases a minimum of 3 months after primary surgery. The reconstruction technique included the interposition of vascularized tissue. None of the patients reported leakage or relapse at follow-up after fistula repair. Conclusions. Hysterectomy was the most common cause behind the formation of urovaginal fistulae. Misinterpretation of symptoms after gynaecological surgery was common even in cases where the symptoms were indicative of a urovaginal fistula. Delayed fistula repair after a minimum of 3 months, via the abdominal route and with the interposition of vascularized tissue, yielded an excellent final outcome.

Acknowledgements

This study was supported by Anna-Lisa and Bror Björnssons Research Foundation, Märtha and Gustaf Ågrens Research Foundation and Sahlgrenska University Hospital project number ALF 7582.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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