Single-incision Laparoscopy Versus Multiport Laparoscopy for Colonic Surgery: A Multicenter, Double-blinded, Randomized Controlled Trial

Objective: To compare outcome of single-port laparoscopy (SPL) and multiport laparoscopy (MPL) laparoscopy for colonic surgery. Summary of Background Data: Benefits of SPL over MPL are yet to be demonstrated in large randomized trials. Methods: In this prospective, double-blinded, superiority trial, patients undergoing laparoscopic colonic resection for benign or malignant disease were randomly assigned to SPL or MPL (NCT01959087). Primary outcome was length of theoretical hospital stay (LHS). Results: One hundred twenty-eight patients were randomized and 125 analyzed: 62 SPL and 63 MPL, including 91 right (SPL: n = 44, 71%; MPL: n = 47, 75%) and 34 left (SPL: n = 18, 29%; MPL: n = 16, 25%) colectomies, performed for Crohn disease (n = 53, 42%), cancer (n = 36, 29%), diverticulitis (n = 21, 17%), or benign neoplasia (n = 15, 12%). Additional port insertion was required in 5 (8%) SPL patients and conversion to laparotomy occurred in 7 patients (SPL: n = 3, 5%; MPL: n = 4, 7%; P = 1.000). Total length of skin incision was significantly shorter in the SPL group [SPL: 56 ± 41 (range, 30–300) mm; MPL: 87 ± 40 (50–250) mm; P

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