Factors affecting the operation time for laparoscopic low anterior resection and their effects on patients' recovery and complications: P056

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Aim:The aim of this study was to evaluate factors affecting operation time for laparoscopic low anterior resection and their effects to patients' recovery and postoperative complications.Method:Prospectively collected data was obtained from 332 patients who underwent laparoscopic low anterior resection for rectal cancer. Group A had (more than 1 hour) longer operation time than mean operation time (n = 54) and Group B was within that time (n = 278). Clinical data was analyzed between the groups.Results:Mean operation time was 218 min. There were more frequent male patients (81.5% vs 56.8%, P = 0.0007) and more blood loss (185.4 vs 67.8 ml, P = 0.0001) in Group A. Tumor location, tumor size,proximal or distal resection margin, bowel movement, oral intake, hospital stay, and complications were not different between the two groups. The reasons for long operation time were ileostomy formation (19), combined resection for combined disease (11), splenic mobilization (9), transanal anastomosis (9), adhesiolysis (7), solvingproblems related to stapler (7), early experience (5), further resection for short distal resection margin (4), difficult dissection (3), bleeding control (2), advanced rectal cancer (2), and furtherproximal resection (1).Conclusion:Long operation time for low anterior resection did not affect the postoperative recovery and complication rate. To reduce the operation time, accurate localization of the tumor,proper management skill for stapler and experience of surgeons are needed

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