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KMID : 0356720070230020093
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Journal of the Korean Society of Coloproctology
2007 Volume.23 No. 2 p.93 ~ p.100
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Comparison of Laparoscopic with Open Resections in Colorectal Cancer: Analysis of Short-term Results
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Kang Yong-Won
Yoon Seo-Gu
Kim Eu-Gene
Lee Chang-Mok
Kim Kwang-Yeon
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Abstract
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Purpose: This study aimed to compare the results of laparoscopic resection with those of open resection for consecutive colorectal cancer patients who underwent surgery at a single center.
Methods: During the thirty-month period between January 2003 and August 2005, patients with a colorectal adenocarcinoma admitted to our hospital were assessed. Cancers related with FAP or HNPCC, cancers treated with endoscopy or local excision, and recurrent cancers were excluded from the study. Three hundred two laparoscopic resection patients were matched to 302 open resection patients.
Results: The mean age of the laparoscopic resection group was 59.5 years while that of the open resection group was 59.4 years. Patients in two groups were similar in terms of gender distribution, level of CEA and ASA, and location and size of tumor. The modified Dukes’ stages showed 51 patients in stage A, 33 in stage B1, 62 in stage B2, 17 in stage C1, and 139 in stage C2 for the laparoscopic resection group and 33 in stage A, 52 in stage B1, 82 in stage B2, 18 in stage C1, and 117 in stage C2 for the open resection group (P=0.024). The operative time averaged 9.6 minutes longer in the laparoscopic group (188.9 vs. 179.3 min, P＜0.0001). The rate of stoma formation for protection of anastomosis in the laparoscopic group was 4.9% (5.8% in open group). There were significant differences in blood loss (556.2 vs. 952.8 ml, P＜0.0001), the amount of intraoperative blood transfusion (1.6 vs. 2.3 unit, P=0.004), the number of harvested lymph nodes (21.1 vs. 16.9, P＜0.0001), and the rate of high ligation of IMA (91.7 vs. 75.5%, P＜0.0001). The length of the distal resection margins from cancer was longer in the open group (2.9 vs. 3.5 cm, P=0.037). Patients in the laparoscopic group had a faster recovery of bowel function (P＜0.0001) and a significant reduction in the mean length of hospital stay (11.5 vs. 16.8 days, P＜0.0001). There was no mortality in either group. Early and late complications were comparable. The conversion rate was 1.6 percent.
Conclusion: The benefits of a laparoscopic resection for colorectal cancers are less blood loss and transfusion, faster postoperative bowel motion, a shorter hospital stay, low morbidity, and a large number of harvested lymph nodes. In conclusion, a laparoscopic resection for colorectal cancers can be done safely and effectively and is an acceptable alternative to a conventional open resection. J Korean Soc Coloproctol 2007;23:93-100
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KEYWORD
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Colorectal cancer, Laparoscopic resection, Open resection
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