https://doi.org/10.4081/uij.2022.282

Complex vesicovaginal fistula: Analysis of patient characteristics and functional outcome of surgical reconstruction

Vol. 34 (2022)
Published: 2 March 2022
Urogynaecology, VVF, obstetric fistula, complex fistulas
Abstract Views: 2476
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Authors

Suyog Shetty
Department of Urology, Father Muller Medical College, Father Muller Charitable Institutions, Mangalore, Karnataka, India.
Arun Chawla
Department of Urology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Anupam Choudhary
dranupamchoudhary86@gmail.com
Department of Urology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Mummalaneni Sitaram
Department of Urology, Deccan College of Medical Sciences, Hyderabad, Telangana, India.
Suraj Jayadeva Reddy
https://orcid.org/0000-0001-6526-4371
Department of Urology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Bathi Sourabh Reddy
Department of Urology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Complex vesicovaginal fistulas present a unique challenge to surgeons, and surgical reconstruction outcomes may be suboptimal. The aim is to evaluate the patient’s characteristics as well as the factors influencing the functional outcome of complex vesicovaginal fistula surgical reconstruction. From 2016 to 2020, the medical records of 28 patients with complex fistulas were analyzed retrospectively. Means, ranges, and standard deviations were used in descriptive analysis. For categorical data, the Fisher exact probability test was used. The mean (standard deviation) age at presentation was 44.4 (10.04) years, while 85.7% (24) of patients were below 50 years of age. Hysterectomy was the most common aetiology in 21 (75%) patients, followed by radiotherapy in 3 (10.7%). Surgical repair success was seen in 24 (85.7%) patients. Four (14.2%) patients had an unsuccessful repair, one vaginal and three abdominal approach. All the failed abdominal repairs were radiation-induced fistula (p=0.001). Other factors that significantly influenced repair failure include vaginal mucosal atrophy (3 failures out of 8 patients, p=0.013), severe fibrosis around the fistula (4 failures out of 12 patients, p=0.024), non-placement of suprapubic catheter (2 failures out of 3 patients, p=0.006), and non-placement of interposition tissue flap (p=0.005). Hysterectomy and radiotherapy are the common causes of complex vesicovaginal fistula. The outcome of the repair is hampered by vaginal mucosal atrophy and severe scarring. The use of a suprapubic catheter and an interposition tissue flap improves the outcome. Post-irradiation fistula has a significant impact on repair outcome and necessitates special consideration for a comprehensive management strategy.

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Complex vesicovaginal fistula: Analysis of patient characteristics and functional outcome of surgical reconstruction. (2022). Urogynaecologia, 34. https://doi.org/10.4081/uij.2022.282

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