• Gian Andrea Prevost, Manfred Odermatt, Markus Furrer, and Peter Villiger.
• Department of Surgery, Kantonsspital Graubünden, Loëstrasse 170, CH-7000, Chur, Switzerland. gianandreapre@hotmail.com.
• World J Surg Oncol. 2018 Oct 30; 16 (1): 214.

BackgroundTo investigate morbidity and mortality following complete mesocolic excision (CME) and central vascular ligation (CVL) in patients undergoing right colectomy.MethodsData from consecutive patients undergoing elective right colectomy at a university-affiliated referral centre were retrospectively analysed. Patients who underwent conventional right-sided colonic cancer surgery (January 2001-April 2009, n = 84) were compared to patients who underwent CME/CVL (May 2009-January 2015, n = 71). The primary end point was anastomotic leak. Secondary end points were delayed gastric emptying, severe respiratory failure, mortality and length of hospital stay.ResultsNo significant difference was found in the rate of anastomotic leak (1.2% in the conventional versus 5.6% in the CME/CVL group, p = 0.108). Patients in the CME/CVL group had a higher 90-day mortality rate (7.0% versus 0.0%, p = 0.019). Four out of five deceased patients suffered from aspiration with consecutive respiratory failure. There was a tendency towards delayed gastric emptying in the CME/CVL group (12.7% versus 7.1%, p = 0.246). Clavien-Dindo complication grades ≥ 2 were similar in both groups with 16 (19%) in the conventional and 15 (21.1%) in the CME/CVL group (p = 0.747). CME/CVL patients had a shorter mean length of stay with 11 versus 14 days (p <  0.001).ConclusionsComplete mesocolic excision with central vascular ligation in right colectomy seems to have a higher aspiration rate leading to severe respiratory failure and to higher mortality compared to conventional resection methods. Patient selection for this procedure may therefore be crucial.

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