Abstract
Background: Laparoendoscopic single-site surgery (LESS) has gained popularity in urology over the last few years. Objective: To report a large multi-institutional worldwide series of LESS in urology. Design, setting, and participants: Consecutive cases of LESS done between August 2007 and November 2010 at 18 participating institutions were included in this retrospective analysis. Intervention: Each group performed a variety of LESS procedures according to its own protocols, entry criteria, and techniques. Measurements: Demographic data, main perioperative outcome parameters, and information related to the surgical technique were gathered and analyzed. Conversions to reduced-port laparoscopy, conventional laparoscopy, or open surgery were evaluated, as were intraoperative and postoperative complications. Results and limitations: Overall, 1076 patients were included in the analysis. The most common procedures were extirpative or ablative operations in the upper urinary tract. The da Vinci robot was used to operate on 143 patients (13%). A single-port technique was most commonly used and the umbilicus represented the most common access site.
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