What question did this study set out to answer?

The aim is to evaluate the safety and effectiveness of single-incision da Vinci SP surgery compared to the da Vinci Xi system for right-sided colon cancer.

March 13, 2026Open Access

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

SASohei AkutaShanghai Institute for Science of Science YHYasumitsu HiranoSaitama Medical University YIYasuhiro IshiyamaSaitama International Medical Center

Key Points

The aim is to evaluate the safety and effectiveness of single-incision da Vinci SP surgery compared to the da Vinci Xi system for right-sided colon cancer.
Conducted comparative analysis between pure single-incision da Vinci SP and da Vinci Xi systems.
Assessed short-term safety parameters and oncological adequacy.
Utilized Propensity Score Matching (PSM) and Inverse Probability of Treatment Weighting (IPTW) for analysis.
Single-incision da Vinci SP surgery showed comparable short-term safety to the Xi system.
Modest advantages were noted in shorter incision length and reduced postoperative pain.
No significant benefits regarding systemic inflammatory response were identified.

Abstract

Pure single-incision robotic surgery using the da Vinci SP system demonstrated comparable short-term safety and oncological adequacy to the Xi system, with modest advantages in incision length and postoperative pain. No clear benefit in systemic inflammatory response was observed, and further validation in larger, prospective, multicenter studies is warranted.

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