Objectives: This study aimed to compare the surgical outcomes of simple hysterectomy with sentinel lymph node biopsy for low-risk endometrial cancer performed using the hinotori™ Surgical Robot System and the da Vinci® Xi system.
Materials And Methods: We retrospectively analyzed the data of 234 patients who underwent simple hysterectomy with sentinel lymph node biopsy at Kagoshima University Hospital between January 2017 and June 2024. Amongst them, 20 patients underwent surgery using the hinotori™ Surgical Robot System and 214 using the da Vinci® Xi. Surgical factors, including operative time, cockpit/console time, blood loss and sentinel lymph node detection, were evaluated. Statistical analyses included chi-square and Wilcoxon tests, with significance set at P < 0.05.
Results: The median operative and cockpit/console times were comparable between the two systems. However, the time from roll-in to the start of cockpit/console surgery was significantly longer for the hinotori™ Surgical Robot System than for the da Vinci® Xi (P = 0.0039). No significant differences were observed for blood loss, length of hospital stay, or complication rates. The sentinel lymph node detection rates and number of sentinel lymph nodes resected were similar between the two systems, with metastatic sentinel lymph node rates of 6% in both groups.
Conclusion: Simple hysterectomy with sentinel lymph node biopsy performed using the hinotori™ Surgical Robot System demonstrated outcomes comparable with those using the da Vinci® Xi system, with no significant differences in key surgical factors. These results suggest that the hinotori™ Surgical Robot System is a viable alternative for minimally invasive surgery in low-risk endometrial cancer. Further studies with larger sample sizes are required to validate these findings.
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http://dx.doi.org/10.1093/jjco/hyae170 | DOI Listing |
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