Feasibility of Single-Port Laparoscopic Surgery for Sigmoid Colon and Rectal Cancers and Preoperative Assessment of Operative Difficulty

Atsushi Hamabe, Ichiro Takemasa, Mamoru Uemura, Junichi Nishimura, Tsunekazu Mizushima, Masataka Ikeda, Hirofumi Yamamoto, Mitsugu Sekimoto, Yuichiro Doki, Masaki Mori

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Purpose: Single-port laparoscopic surgery is more difficult for sigmoid colon and rectal cancers than for right-sided colon cancer. We sought to analyze the feasibility of this procedure for sigmoid colon and rectal cancers and to estimate its difficulty. Methods: We analyzed prospectively collected data from 63 consecutive patients with sigmoid colon or rectal cancers who underwent single-port laparoscopic surgery at our institution from June 2009 to December 2011. Patient and tumor characteristics, including patients' pelvic anatomy which was assessed on CT scan imaging, were evaluated to elucidate what factors would affect the difficulty of the procedure and the necessity of using an additional trocar. Results: Overall, the median operative duration was 190 min and blood loss was 20 ml, with no postoperative complications. The median number of lymph nodes harvested was 17 and the distal margin was 58 mm. The tumor was located significantly closer to the anus in cases in which an additional trocar was required in the right lower quadrant (9.5 vs 18 cm, p < 0.0001). Procedural difficulty was significantly increased in cases in which the sacral promontory protruded ventrally (odds ratio 0.779 [95 % confidence interval 0.613 to 0.945], p = 0.0236). Conclusions: Depending on tumor location and sacral promontory shape, the introduction of an additional trocar might render single-port laparoscopic surgery feasible for sigmoid colon and rectal cancer resection.

元の言語英語
ページ(範囲)977-985
ページ数9
ジャーナルJournal of Gastrointestinal Surgery
18
発行部数5
DOI
出版物ステータス出版済み - 1 1 2014
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Surgery
  • Gastroenterology

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