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Learning curve for single-port laparoscopic colon cancer resection: a multicenter observational study

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Abstract

Background

The aim of this study was to investigate the learning curves (LCs) of single-port laparoscopic surgery (SPLS) for colon cancer using multidimensional statistical analyses. Although SPLS yields better cosmetic results and comparable short-term outcomes compared to conventional laparoscopic surgery, its technical difficulties make surgeons hesitant to try SPLS. Moreover, the LCs of SPLS for colon cancer are not well delineated.

Methods

Data were collected from patients who underwent SPLS for colon cancer in seven Korean institutions between May 2009 and May 2015. The LCs were analyzed using the moving average method and the cumulative sum control chart (CUSUM) for operation time and surgical failure. Surgical failure was defined as the any conversion, postoperative complications, or less than 12 harvested lymph nodes from surgical specimens.

Results

A total of 356 patients were included in this study. Six and three surgeons performed 282 anterior resections (ARs) and 74 right colectomies (RCs), respectively. On the basis of the moving average method and CUSUM for operation time and surgical failure, the LCs for AR were 18, 16, 35, 13, 36, and 13 cases for surgeons A–F, respectively. However, the LCs for RC were 6 and 15 cases for surgeons D and E, respectively, and were ambiguous for one surgeon.

Conclusions

For surgeons experienced in conventional laparoscopic colorectal surgery, the LCs of SPLS for colon cancer ranged from 6 to 36 cases, which is shorter than the LCs reported for conventional laparoscopic surgery.

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Funding

This study was funded by the Korean Society of Endoscopic and Laparoscopic Surgeons.

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Authors and Affiliations

  1. Department of Surgery, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, 892, Dongnam-ro, Gangdong-gu, Seoul, 05278, Korea

    Chang Woo Kim & Suk-Hwan Lee

  2. Department of Surgery, Kyung Hee Medical Center, Kyung Hee University School of Medicine, Seoul, Korea

    Kil Yeon Lee

  3. Department of Surgery, Daejeon St. Mary’s Hospital, The Catholic University of Korea, Daejeon, Korea

    Sang Chul Lee

  4. Department of Surgery, Incheon St. Mary’s Hospital, The Catholic University of Korea, Incheon, Korea

    Yoon Suk Lee

  5. Department of Surgery, Hallym University Medical Center, Hallym University College of Medicine, Anyang, Korea

    Sang Woo Lim

  6. Department of Surgery, Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea

    Jun-Gi Kim

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  1. Chang Woo Kim
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  2. Kil Yeon Lee
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  3. Sang Chul Lee
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Corresponding author

Correspondence to Suk-Hwan Lee.

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Disclosures

The content is the responsibility of the authors and does not necessarily represent the official views of the Korean Society of Endoscopic and Laparoscopic Surgeons. Drs. Chang Woo Kim, Kil Yeon Lee, Sang Chul Lee, Suk-Hwan Lee, Yoon Suk Lee, Sang Woo Lim, and Jun-Gi Kim have no conflicts of interests or additional financial ties to disclose.

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Kim, C.W., Lee, K.Y., Lee, S.C. et al. Learning curve for single-port laparoscopic colon cancer resection: a multicenter observational study. Surg Endosc 31, 1828–1835 (2017). https://doi.org/10.1007/s00464-016-5180-7

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  • DOI: https://doi.org/10.1007/s00464-016-5180-7

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