Laparoscopic approach in surgical treatment of rectal cancer

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Abstract
Background: High rates of conversion to open operation and morbidity have been reported after laparoscopic total mesorectal excision (TME) with sphincter preservation for rectal cancer. This study examined risk factors for conversion and morbidity to determine which patients with rectal cancer could benefit from a laparoscopic resection. Methods: Two hundred patients (117 men) with mid and low rectal cancer treated by laparoscopic TME were studied. The impact of clinical and pathological characteristics on conversion and complications was assessed by multivariable analysis. Results: Reconstruction after TME included 79 low colorectal and 121 coloanal anastomoses. Conversion was necessary in 31 patients (15·5 per cent), and was independently associated with sex, type of anastomosis and intraoperative rectal fixity. Postoperative morbidity in 50 patients (25·0 per cent) was independently associated with sex and type of anastomosis. Men with a stapled anastomosis had a threefold higher rate of conversion (13 (34 per cent) of 38 versus 18 (11·1 per cent) of 162; P < 0·001) and morbidity (22 (58 per cent) versus 28 (17·3 per cent); P < 0·001) than other patients. Conclusion: Laparoscopic TME is a good option for women and for men treated by coloanal anastomosis. Technical improvement of laparoscopic stapling is needed before the laparoscopic approach can be offered to all patients. Copyright © 2007 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd.