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Chinese Journal of Laparoscopic Surgery(Electronic Edition) ›› 2024, Vol. 17 ›› Issue (06): 329-334. doi: 10.3877/cma.j.issn.1674-6899.2024.06.002

• Original Articles • Previous Articles     Next Articles

Comparison of short-term outcomes between robotic and laparoscopic mesorectal excision for rectal cancer

Yuanjian Huang1, Dongjian Ji1, Yifei Feng1, Yueming Sun1,()   

  1. 1.Department of Colorectal Surgery,The First Affiliated Hospital of Nanjing Medical University,210029,China
  • Received:2024-11-12 Online:2024-12-30 Published:2025-02-12
  • Contact: Yueming Sun

Abstract:

Objective

To compare the differences in short-term outcomes between robotic-assisted and laparoscopic-assisted mesorectal excision for primary rectal adenocarcinoma.

Methods

A retrospective observational cohort was established,including patients who underwent robotic-or laparoscopic-assisted mesorectal excision at the First Affiliated Hospital of Nanjing Medical University from Jul. 2016 to Aug.2018. The outcomes included surgical outcomes,pathological outcomes,overall survival (OS),time to recurrence (TTR),and prognostic risk factors for OS ant TTR.

Results

After propensity score matching,each group was assigned 81 patients. Compared with the laparoscopic group,the operative time of the robotic group was 16.2 min longer (133.3 min vs. 117.1 min, P=0.007) and the postoperative hospital stay was 0.9 days shorter (8.4 days vs. 9.3 days, P=0.048). No statistically significant differences were observed between the two groups in terms of conversion rates to open surgery,postoperative short-term complication rates,numbers of harvested lymph nodes,OS,and TTR. The maximum diameter of the tumor and pathological TNM stages were prognostic factors for OS and TTR,respectively.

Conclusion

Compared with laparoscopic-assisted surgery,the robotic-assisted mesorectal excision for rectal cancer was associated with longer operative time and shorter postoperative hospital stays. Regarding pathological outcomes and survival outcomes,more clinical studies were required to investigate the potential advantages of robotic surgery.

Key words: Robotic surgery, Laparoscopic surgery, Rectal cancer, Retrospective study, Cohort study

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