Assessing the minimal invasiveness of pure single-incision da Vinci SP surgery for right-sided colon cancer: comparative analysis with the da Vinci Xi system using PSM and IPTW - Summary - MDSpire

Assessing the minimal invasiveness of pure single-incision da Vinci SP surgery for right-sided colon cancer: comparative analysis with the da Vinci Xi system using PSM and IPTW

  • By

  • Sohei Akuta

  • Yasumitsu Hirano

  • Yasuhiro Ishiyama

  • Yume Minagawa

  • Yusuke Nishi

  • Hisashi Hayashi

  • Akihito Nakanishi

  • Takatsugu Fujii

  • Hirofumi Sugita

  • Chikashi Hiranuma

  • Yusuke Kinugasa

  • March 10, 2026

  • 0 min

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Objective:

To compare short-term outcomes of SP-assisted pure single-incision robotic surgery with Xi-assisted surgery for right-sided colon cancer, focusing on minimal invasiveness using postoperative pain, CRP/Alb ratio, and other relevant surgical outcomes as indicators.

Key Findings:
  • SP surgery demonstrated less blood loss and lower conversion rates compared to Xi.
  • Postoperative pain scores (NRS) and CRP/Alb ratios were evaluated, with specific results indicating a significant reduction in pain and inflammation markers.
  • SP surgery was performed without the need for additional assistant ports, highlighting its minimally invasive nature.
Interpretation:

The study suggests that SP surgery may offer advantages in terms of minimal invasiveness and postoperative recovery for right-sided colon cancer, although further data on pain and inflammatory markers are needed to substantiate these findings.

Limitations:
  • Retrospective design may introduce bias, potentially affecting the reliability of the outcomes.
  • Limited sample size and duration of follow-up may restrict the generalizability of the findings.
  • Lack of comprehensive data on postoperative pain and inflammatory markers limits the ability to draw definitive conclusions.
Conclusion:

SP surgery for right-sided colon cancer shows promise as a minimally invasive approach, warranting further investigation to validate findings and address existing limitations.

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