Risk factors associated to anastomotic leakage in laparoscopic colorectal surgery: P076

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Aim:To evaluate the incidence of anastomotic leakage in colorectal laparoscopic surgery and to determine possible related risk factors.Method:A retrospective study based on aprospectively collected database. All patients who underwent elective laparoscopic colorectal resections withoutprotective ostomies between June 2000 and May 2009 were included. Uni-and multivariate analyses were performed to determine possible related risk factors.Results:Five hundred and sixty-two laparoscopicprocedures were included. 42 (7%) were associated with some otherprocedure. Malignant disease was the indication for surgery in 324 (58%) patients. 313 (56%) were male. The average age was 61 (17-92) years. The average operative time was 169 (60-440) min. Conversion rate was 9%. 30 (5.3%) patients had an anastomotic leak that was diagnosed at the fourth (1-10) postoperative day. The average hospital stay was 4.2 (1-71) days. Overall mortality was 0.17% (one patient). In the multivariate analysis, patients with ASA III/IV (P: 0.0003, OR 7.74, IC 95% 2.58-23.22) and operative time > 180 min (P: 0.006, OR 3.53, IC 95% 1.44-8.70) were associated with a higher incidence of anastomotic leakage.Conclusion:ASA III/IV patients and operative time longer than 180 min were independentpredictive factors for anastomotic leaks in laparoscopic colorectal surgery.

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