• Dirk R Bulian, Norbert Runkel, Jens Burghardt, Wolfram Lamade, Michael Butters, Markus Utech, Klaus-Peter Thon, Rolf Lefering, Markus M Heiss, Heinz J Buhr, and Kai S Lehmann.
• Department of Abdominal, Vascular and Transplant Surgery, Cologne-Merheim Medical Center, Witten/Herdecke University, Ostmerheimer Strasse 200, 51109, Cologne, Germany, buliand@kliniken-koeln.de.
• Int J Colorectal Dis. 2014 Jul 1; 29 (7): 853-61.

BackgroundThe German NOTES registry (GNR) is the largest published database for natural orifice transluminal endoscopic surgery (NOTES) worldwide. Although transvaginal cholecystectomy is the most frequent procedure in the GNR, the number of colorectal resections is increasing. The objective of this study was to analyze the first 139 colonic procedures of the GNR.MethodsAll colonic procedures from the GNR were analyzed regarding patient- and therapy-related parameters. A multivariate analysis was conducted for transvaginal sigmoid resections regarding procedural time, hospital stay, conversion rate, and rate of complications.ResultsFrom October 2008 to January 2013, 139 colon NOTES procedures (12 male, 127 female) were registered. Main diagnoses were sigmoid diverticulitis (85.6 %), colon carcinoma (9.4 %), and ulcerative colitis (3.6 %). Sigmoid resections (87.1 %), proctocolectomies (3.6 %), right-sided resections (2.9 %), left-sided resections (3.6 %), segmental resections (2.2 %), and 1 ileocecal resection (0.7 %) were performed. All procedures were conducted in transvaginal (87.8 %) or transrectal (12.2 %) hybrid technique, with a median of 3 percutaneous trocars. Conversions to laparoscopic technique were necessary in 3.6 % (none to conventional technique). Intraoperative complications were recorded in 2.9 % and postoperative complications in 12.2 %. The institutional case number in transvaginal sigmoid resections correlated negatively with procedural time (p = 0.041) and the number of percutaneous trocars (p = 0.002).ConclusionThe analysis of the first 139 colon NOTES operations of the GNR shows the feasibility of co on operations in hybrid technique, especially for transvaginal sigmoid resection as the most frequent procedure.

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