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Introduction: Rectovaginal fistulas (RVFs) account for approximately 40% of anorectal complications from obstetrical trauma. Treatment can be challenging requiring multiple surgical repairs. Interposition of healthy transposed tissue (lotus or Martius flap or gracilis muscle) has been used for recurrent RVF. We aimed to review our experience with gracilis muscle interposition (GMI) for post-partum RVF., Methods: A retrospective analysis of patients who underwent GMI for post-partum RVF from February 1995 to December 2019 was undertaken. Patient demographics, number of prior treatments, comorbidities, tobacco use, postoperative complications, additional procedures, and outcome were assessed. Success was defined as absence of leakage from the repair site after stoma reversal., Results: Six of 119 patients who underwent GMI did so for recurrent post-partum RVF. Median age was 34.2 (28-48) years. All patients had at least 1 previously failed procedure [median: 3 (1-7)] including endorectal advancement flap, fistulotomy, vaginoplasty, mesh interposition, and sphincteroplasty. All patients underwent fecal diversion prior to or at initial procedure. Success was achieved in 4/6 (66.7%) patients; 2 underwent further procedures (1 fistulotomy and 1 rectal flap advancement) for a final 100% success rate as all ileostomies were reversed. Morbidity was reported in 3 (50%) patients, including wound dehiscence, delayed rectoperineal fistula, and granuloma formation in one each, all managed without surgery. There was no morbidity related to stoma closure., Conclusions: Gracilis muscle interposition is a valuable tool for recurrent post-partum RVF. Our ultimate success rate in this very small series was 100% with a relatively low morbidity rate., Competing Interests: Declaration of Conflicting InterestsNo relevant financial disclosures were reported by any authors. Dr. Wexner reports receiving consulting fees from ARC/Corvus, Astellas, Baxter, Becton Dickinson, GI Supply, ICON Language Services, Intuitive Surgical, Leading BioSciences, Livsmed, Medtronic, Olympus Surgical and Stryker, Takeda and receiving royalties from Intuitive Surgical and Karl Storz Endoscopy America Inc., Dr. Emile reports receiving consulting fees from SafeHeal.

Background: Postoperative adhesions may occur after >90% of laparotomies and is the most common cause of small bowel obstruction (SBO). Despite the high incidence, there is a lack of data related to financial implications of adhesion-related SBO (ASBO). This systematic literature review of in-hospital costs for treatment of ASBO searched PubMed, Scopus and Google Scholar databases according to PRISMA guidelines. Exclusion criteria were reviews, editorials, clinical vignettes, studies of patients <18 years of age, studies with no English full text and studies assessing adhesiolysis for causes other than SBO or that used extrapolations with economic models. Main outcome measures were financial costs per patient and national costs., Results: Seven studies, published between 1999 and 2016, incorporating a total of 39 573 patients, were identified. Four were undertaken in European countries, one in the USA, 1 in New Zealand and 1 in Nigeria. Overall national costs regarding treatment of patients with ASBO ranged between $3.468 million and $1.77 billion. Median overall cost in the medical management group was $2371.5 ($1814-$2568) vs $12370 ($4914-$25321) in the surgical group. Median length of stay was 4 (3-7) days for patients conservatively treated and 11.5 (8-16.3) days for patients who underwent surgery. Median length of stay of operated patients on was almost triple that of patients conservatively managed., Conclusions: Given the major financial implications of ASBO, further initiatives are needed to avoid operations for SBO when clinically appropriate and minimize delays taking patients with high suspicion of complete SBO to the operating room.