Transvaginal Repair of Vesico Vaginal Fistula: A 10-Year Experience with Analysis of Factors Affecting Outcomes release_gqozyppz4zh2vmksz76vgftctm

Abstract

To highlight the transvaginal route as an excellent approach for repair of a simple trigonal, supra-trigonal vesico-vaginal and urethrovaginal fistulae without compromising on the successful patient outcomes. We also determine factors affecting outcomes in such patients. A retrospective analysis was carried out on 58 patients with simple trigonal, supra trigonal and urethrovaginal fistula who underwent transvaginal repair in the last 10 years. Simple fistulas were defined as fistula less than 3 cm in size or recurrent fistulae less than 1.5-2 cm in size and located either supra-trigonally (above the bar of mercier) or sub-trigonally (below the bar of mercier) as determined by cystoscopy. Obstetric cause, due to obstructed labour, was the most common cause of fistula formation (68.96%), while remaining (29.31%) were attributed to hysterectomy. Primary fistulae were found in 68.9% of patients and recurrent fiistulae in 31.1% patients. The mean age of patients was 33.4 years. Average fistula size was 1.5 cm. The success rate of primary operation was 84.12% (50/58). On using a multivariate regression model, the underlying aetiology (OR 2.2), fistula location (OR 2.5) and history of previous repair (OR 2.4) were found to be significant factors affecting outcome. The transvaginal approach is less invasive and achieves comparable success rates as compared to other methods of vesico-vaginal fistula repair. This surgery with Foley catheter has a high success rate with reduced morbidity. We postulate that vaginal approach should be preferred over abdominal approach for repair of all vaginally accessible vesico vaginal fistulae, both of obstetrical and gynaecological origin.
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