Abstract

Ileal pouch-anal anastomosis (IPAA) should be delayed to a second stage in patients with ulcerative colitis and prolonged exposure to medical therapy. However, there is still discussion about whether a modified two-stage approach is preferable to a three-stage approach. Recently, a transanal approach has been introduced to overcome the well-known difficulties of laparoscopic pelvic surgery. This paper presents short-term outcomes of transanal IPAA (Ta-IPAA) according to a modified two-stage approach. Data from all patients who underwent a modified two-stage Ta-IPAA for ulcerative colitis refractory to medical therapy were retrieved retrospectively from a prospective database. A comprehensive complication index was used for 90-day postoperative complications. Conversion, duration of surgery, hospital stay and reoperation were considered. A logistic regression model was used to assess risk factors for peri-pouch sepsis. Seventy-five (68.8%) patients were identified from 109 consecutive IPAAs. Median operation time was 159min. Conversion rate was 4%. Mean comprehensive complication index was 7. All anastomotic leaks (10.6%) were treated with diverting ileostomy. Additionally, active rescue with transanal drainage and early resuturing of the anastomotic gap was performed in six patients. Ileostomy closure occurred after a median period of 5.4months. At univariable analysis, factors associated with peri-pouch sepsis were male gender and age at IPAA construction. A modified two-stage Ta-IPAA is safe and feasible. Standardization and reproducibility of the technique are reflected in few conversions and intra-operative complications. Finally, morbidity and anastomotic leak do not differ from those reported in previous Ta-IPAA series with a variable proportion of multistage procedures.

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