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Surgical outcomes of robot-assisted surgery for advanced lower rectal cancer after preoperative treatment
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Hajime Morohashi1,
Yoshiyuki Sakamoto1,
Takuya Miura1 |
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1Department of Gastroenterological Surgery, Hirosaki University |
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| [Background] Recently, there has been an increased opportunity of preoperative treatments to perform R0 surgery for advanced lower rectal cancer. Our treatment strategy for advanced lower rectal cancer is to perform preoperative treatment first and then perform robot-assisted radical resection. In this report, we will describe the surgical outcomes of our cases and consider the safety and effectiveness of robotic surgery with preoperative treatment. [Material and method] We performed a retrospective study of 91 cases of lower rectal cancer treated in our department since January 2016. 36 cases were performed preoperative treatment. 34 cases were Neoadjuvant chemotherapy and 2 cases were chemoradiotherapy. [Results] The operation type （LAR/ISR/Hartman/APR）was split as 19/6/3/8 cases and 32 cases (89%) were done lateral lymph node dissection. The average operation time was 493 minutes. The average bleeding amount was 130 g. There were no cases that required a conversion to a laparotomy. The stages I/II/III/IV were 19/5/10/2 cases. The pathological complete response rate was 25% (9 cases) and R0 rate was 97%. The average number of lymph node dissections was 26. The postoperative complications of Grade 3 and above were 2.8%. [Conclusions] Robot-assisted surgery after preoperative treatment can be performed safely. In addition, it is considered to be a minimally invasive and useful technique for curative surgery. |
Index Term 1: Rectal cancer
Index Term 2: Robot
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