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◆要旨:【目的】膵体尾部切除術を施行した腹腔鏡下手術(LDP)とロボット支援下手術(RDP)について比較検討を行う.【方法】2012年4月から2023年3月までに膵体尾部切除術を施行した115例を対象とした.【結果】脾温存術式(SPDP)を導入した後の期間において,LDP52例,RDP36例が施行されていた.背景疾患,腫瘍因子は両群で差異を認めなかったが,予定した脾温存の達成率はLDP群75.8%,RDP群95.0%とRDP群で高い傾向にあった(p=0.08).手術時間はRDP群で有意に延長したが(p<0.01),その他の短期成績について差異を認めなかった.L-SPDP群とR-SPDP群の比較では,手術時間以外の短期成績に差異を認めなかった.【結語】脾温存術式においてロボット支援下手術は有用なアプローチ方法と考えられる.
[Aim]To compare the short-term outcomes of laparoscopic distal pancreatectomy(LDP) and robot-assisted distal pancreatectomy(RDP). [Methods]The study included 115 patients who underwent distal pancreatectomy performed at our department from April 2012 to March 2023. [Results]Following the introduction of a spleen-preserving method, 36 cases of RDP and 52 cases of LDP were performed. Underlying disease and tumor factors did not differ between the two groups. On the other hand, the rate of successful spleen-preserving DP was 75.8%in the LDP group and 95.0%in the RDP group, showing a trend toward higher rate in the RDP group(p=0.08). The operative time was significantly longer in the RDP group(p<0.01), but there was no difference in other short-term outcomes. No difference was observed in short-term outcomes between the L-SPDP and R-SPDP groups except for the operative time. [Conclusions]Robotic-assisted surgery appears to be a useful approach for spleen preserving distal pancreatectomy.

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