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  • Title: Surgical Intervention is Effective for the Treatment of Crohn's-related Rectovaginal Fistulas: Experience From a Tertiary Inflammatory Bowel Disease Practice.
    Author: Otero-Piñeiro AM, Jia X, Pedersen KE, Hull T, Lipman J, Holubar S, Steele SR, Lightner AL.
    Journal: J Crohns Colitis; 2023 Apr 03; 17(3):396-403. PubMed ID: 36219575.
    Abstract:
    BACKGROUND AND AIMS: Rectovaginal fistula occurs in up to 10-20% of women with Crohn's disease, significantly affecting their quality of life. We sought to determine outcomes of single and repeat operative interventions. METHODS: A retrospective review of all adult patients with a Crohn's-related rectovaginal fistula, who underwent an operation between 1995 and 2021, was performed. Data collected included patient demographics, Crohn's-related medical treatment, surgical intervention, postoperative outcomes, and fistula outcomes. RESULTS: A total of 166 patients underwent 360 operations; mean age was 42.8 [+/-13.2] years; 34 [20.7%] patients were current and 58 [35.4%] former smokers. The most commonly performed procedure was: a local approach [n = 160, 44.5%] using fibrin glue, fistulotomy/fistulectomy, or seton placement; followed by a transvaginal/transanal approach [n = 113, 31.4%] with an advancement flap repair [including Martius advancement flap] and episoproctotomy; a transabdominal approach [n = 98, 27.2%] including proctectomy or re-do anastomosis; and finally gracilis muscle interposition [n = 8, 2.2%]. The median number of operative interventions per patient was 2 [1.0-3.0] procedures. The overall fistula healing rate per patient was 71.7% [n = 119] at a median follow-up of 5.5 [1.2-9.8] years. Factors that impaired healing included former smoking (odds ratio [OR] 0.52, 95% confidence interval [CI] 0.31-0.87, p = 0.014) and seton insertion [OR 0.42, 95% CI 0.21-0.83, p = 0.012]. CONCLUSION: Over two-thirds of Crohn's-related rectovaginal fistulas can achieve closure with multiple surgical interventions. Smoking and seton usage negatively affect healing rates and should be avoided.
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