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      To Drain or Not to Drain Infraperitoneal Anastomosis After Rectal Excision for Cancer : The GRECCAR 5 Randomized Trial

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          Abstract

          To assess the effect of pelvic drainage after rectal surgery for cancer.

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          Most cited references21

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          Risk factors for anastomotic leakage after anterior resection of the rectum.

          Surgical technique and peri-operative management of rectal carcinoma have developed substantially in the last decades. Despite this, morbidity and mortality after anterior resection of the rectum are still important problems. The aim of this study was to identify risk factors for anastomotic leakage in anterior resection and to assess the role of a temporary stoma and the need for urgent re-operations in relation to anastomotic leakage. In a nine-year period, from 1987 to 1995, a total of 6833 patients underwent elective anterior resection of the rectum in Sweden. A random sample of 432 of these patients was analysed (sample size 6.3%). The associations between death and 10 patient- and surgery-related variables were studied by univariate and multivariate analysis. Data were obtained by review of the hospital files from all patients. The incidence of symptomatic clinically evident anastomotic leakage was 12% (53/432). The 30-day mortality was 2.1% (140/6833). The rate of mortality associated with leakage was 7.5%. A temporary stoma was initially fashioned in 17% (72/432) of the patients, and 15% (11/72) with a temporary stoma had a clinical leakage, compared with 12% (42/360) without a temporary stoma, not significant. Multivariate analysis showed that low anastomosis (< or = 6 cm), pre-operative radiation, presence of intra-operative adverse events and male gender were independent risk factors for leakage. The risk for permanent stoma after leakage was 25%. Females with stoma leaked in 3% compared to men with stoma who leaked in 29%. The median hospital stay for patients without leakage was 10 days (range 5-61 days) and for patients with leakage 22 days (3-110 days). In this population based study, 12% of the patients had symptomatic anastomotic leakage after anterior resection of the rectum. Postoperative 30-day mortality was 2.1%. Low anastomosis, pre-operative radiation, presence of intra-operative adverse events and male gender were independent risk factors for symptomatic anastomotic leakage in the multivariate analysis. There was no difference in the use of temporary stoma in patients with or without anastomotic leakage.
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            Rectal Cancer

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              Anastomotic leakage following routine mesorectal excision for rectal cancer in a national cohort of patients.

              Mesorectal excision is successfully implemented as the standard surgical technique for rectal cancer resections in Norway. This technique has been associated with higher rates of anastomotic leakage (AL) and the purpose of this study was to examine AL in a large national cohort of patients. This was a prospective national cohort study of 1958 patients undergoing rectal cancer surgery with anterior resection in Norway from November 1993 to December 1999. The overall rate of AL was 11.6% (228 of 1958 patients). In a multivariate analysis, the risk of AL was significantly higher in males (odds ratio (OR) 1.6, 95% confidence interval (CI) 1.1-2.2), in patients receiving pre-operative radiotherapy (OR 2.2, CI 1.0-4.7) and in low level (4-6 cm) (OR 3.5, CI 1.6-7.7) and ultra-low level (< or = 3 cm) anastomoses (OR 5.4, CI 2.3-12.9). The presence of a diverting stoma was associated with a 60% reduction in the risk of AL (OR 0.4, CI 0.3-0.7) for anastomoses 6 cm and below. 30-day mortality was significantly higher for the patients with AL (7.0%, CI 3.7-10.3) compared with no AL (2.4%, CI 1.7-3.2) AL had no significant effect on local recurrence rate (log rank P=0.608). Low anastomoses should be defunctioned to avoid AL and the associated high perioperative mortality. No effect of AL on local recurrence was found in this large cohort.

                Author and article information

                Journal
                Annals of Surgery
                Annals of Surgery
                Ovid Technologies (Wolters Kluwer Health)
                0003-4932
                2017
                March 2017
                : 265
                : 3
                : 474-480
                Article
                10.1097/SLA.0000000000001991
                27631776
                3066244f-579f-407a-a7a9-95b04e9de693
                © 2017
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