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  • Title: Colonic J-pouch-anal anastomosis for rectal cancer: a prospective, randomized study comparing handsewn vs. stapled anastomosis.
    Author: Laurent A, Parc Y, McNamara D, Parc R, Tiret E.
    Journal: Dis Colon Rectum; 2005 Apr; 48(4):729-34. PubMed ID: 15719189.
    Abstract:
    PURPOSE: Colonic J-pouch-anal anastomosis performed after complete proctectomy and total mesorectal excision for adenocarcinoma of the rectum can be handsewn or stapled. Stapling the coloanal anastomosis is believed to shorten operating time and reduce morbidity, but there are no randomized trials comparing the techniques. METHODS: Between January 1999 and May 2001, all patients with rectal adenocarcinoma requiring total mesorectal excision were randomized intraoperatively to handsewn or stapled anastomosis. Mortality, intraoperative, and postoperative findings and functional results at 3, 6, and 12 months were analyzed. RESULTS: Thirty-seven patients (12 females; mean age, 60 +/- 10 years) were randomized (stapled group: n = 20; handsewn group: n = 17). The two groups were comparable for age, gender, distance between the tumor and the levator ani, tumor volume, and use of preoperative radiotherapy (3 in each group). Morbidity did not differ between stapled group (3/20) and handsewn group (4/17; P > 0.05). Mean +/- standard deviation operative time was shorter in stapled group (261 +/- 40 minutes) than in handsewn group (314 +/- 46 minutes; P = 0.0008), and median distance between the anastomosis and the anal verge was shorter in handsewn group (19 +/- 9 mm) than in stapled group (27 +/- 8 mm; P = 0.01). Three patients of handsewn group and none of stapled group developed an anastomotic stricture requiring a single digital dilation (not significant). Number of stools per 24 hours, urgency, incidence of fragmented stools, degree of continence, requirement for protective pad, and/or need to take medication at 3, 6, and 12 months were similar in both groups. CONCLUSIONS: Stapled co-loanal anastomosis is significantly faster than handsewn CAA and has similar functional results. It should be the preferred technique when it is feasible.
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