Learning Curve for Single-Incision Laparoscopic Anterior Resection for Sigmoid Colon Cancer

被引：51

作者：

Kim, Chang Woo ^{[1
]}

Kim, Woo Ram ^{[1
]}

Kim, Ha Yan ^{[2
]}

Kang, Jeonghyun ^{[1
]}

Hur, Hyuk ^{[1
]}

Min, Byung Soh ^{[1
]}

Baik, Seung Hyuk ^{[1
]}

Lee, Kang Young ^{[1
]}

Kim, Nam Kyu ^{[1
]}

机构：

[1] Yonsei Univ, Severance Hosp, Coll Med, Dept Surg,Div Colon & Rectal Surg, Seoul 120752, South Korea

[2] Yonsei Univ, Coll Med, Biostat Collaborat Unit, Seoul 120752, South Korea

来源：

JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS | 2015年 / 221卷 / 02期

关键词：

D O I：

10.1016/j.jamcollsurg.2015.02.016

中图分类号：

R61 [外科手术学];

学科分类号：

摘要：

BACKGROUND: Compared with conventional laparoscopic surgery, single-incision laparoscopic surgery produces better cosmetic benefits. The aim of this study was to investigate the learning curve for single-incision laparoscopic anterior resection (SILAR) for sigmoid colon cancer using multidimensional methods. STUDY DESIGN: From September 2009 through May 2014, one hundred and thirteen patients underwent SILAR for sigmoid colon cancer by a single surgeon at Severance Hospital. The learning curve was analyzed using moving average, cumulative sum control chart (CUSUM), and risk-adjusted CUSUM methods. For risk-adjusted CUSUM, surgical failure was defined as conversion to open surgery or conventional laparoscopic surgery, morbidity within 30 days after surgery, <12 harvested lymph nodes, or local recurrence. RESULTS: Using the moving average method, the peak point for operation time occurred at the 65 th case (173 minutes). The CUSUM method also showed the operation time peak point at the 65 th case. However, the risk-adjusted CUSUM curve did not ascend after the 61st case. The operation time and hospital stay for the 60 phase 1 patients (cases 1 to 60) were longer than for 53 phase 2 patients (cases 61 to 113) (166.6 vs 140 minutes; p < 0.001 and 7.1 vs 5.5 days; p = 0.009). Phase 2 patients had a significantly larger tumor diameter and more harvested lymph nodes. CONCLUSIONS: The learning curve for SILAR for sigmoid colon cancer was 61 to 65 cases according to multidimensional statistical analyses. Single-incision laparoscopic anterior resection is feasible for surgeons experienced in laparoscopic surgery. However, SILAR required more cases for proficiency than the number previously reported for conventional laparoscopic surgery, likely because of its technical challenges. (C) 2015 by the American College of Surgeons

引用

页码：397 / 403

页数：7

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