AIM: Foreshortened mesentery or thick abdominal wall constitutes a rationale for laparoscopic intracorporeal ileocolic anastomoses (ICA). The aim of this study was to compare intracorporeal to extracorporeal ICA in terms of surgical site infections in patients with Crohn's ileitis and overweight patients with right colon tumors. METHOD: This was a prospective propensity score-matched cohort study enrolling consecutive patients with Crohn's terminal ileitis and overweight patients with right colon tumors undergoing elective laparoscopic right colon resection with intracorporeal or extracorporeal ICA. Propensity score matching with a 1:1 ratio was employed to compare diagnosis-matched patients for age, BMI, ASA, and previous abdominal surgery. RESULTS: Overall, 453 patients were enrolled: 233 intracorporeal vs. 220 extracorporeal. Propensity score matching left 195 intracorporeal and 195 extracorporeal patients comparable for age (p = 0.294), gender (p = 0.683), ASA (p = 0.545), BMI (p = 0.079), previous abdominal surgery (p = 0.348), and diagnosis (p = 0.301). Conversion rates (5.1 vs. 3.6%; p = 0.457) and intraoperative complications (1 vs. 2.1%; p = 0.45) were similar. Overall morbidity (5.1 vs. 12.8%; p = 0.008) and re-intervention rates (3.1 vs. 8.7%; p = 0.029) were significantly higher in extracorporeal patients. Anastomotic leak rates (0.5 vs. 1.5%; p = 0.623) did not differ. Incisional SSI rate was significantly higher in extracorporeal patients (p = 0.01). CONCLUSION: Laparoscopic intracorporeal ICA reduced incisional SSI rates as compared to its extracorporeal counterpart.

Department of Surgery University Hospital Ostrava Ostrava Czech Republic

Division of Colorectal surgery State University of New York Stony Brook NY USA

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