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Updated: May 23, 2026
Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision
Published on: June 13, 2025
Robotic assistance may reduce conversion to open in rectal carcinoma laparoscopic surgery: systematic review and
Elena Ortiz-Oshiro1, Iris Sánchez-Egido, Jesús Moreno-Sierra
1General and Digestive Surgery Department, Methodology and Clinical Epidemiology Unit, Preventive Medicine Department, Hospital Clinico San Carlos, Universidad Complutense, Madrid, Spain. elenaortiz@seclaendosurgery.com
Background:
We hypothesized that robotic assistance (RARS) could provide better intraoperative and short-term outcomes than a traditional laparoscopic approach (LARS) to rectal cancer surgery.
Methods:
Systematic review of the literature, including electronic searches and communications to international robotic meetings.
Inclusion Criteria:
studies involving rectal cancer patients and comparing outcomes of robotic surgery vs laparoscopic surgery. Primary end-points: conversion and postoperative short-term complications. Meta-analysis performed using Review Manager 5.0 software.
Results:
Five case-control studies involving 486 patients (203 RARS-283 LARS) were finally included. Conversion to open rate (RR = 0.31; 95% CI 0.12,0.78) was lower for RARS. No differences were found in oncological outcomes, hospital stay or anastomotic leakage.
Conclusions:
This meta-analysis of available non-randomized studies suggests that conversion to open rate may be reduced when using RARS instead of LARS for rectal cancer.
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