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Robotic Versus Conventional Laparoscopic Liver Resections: A Systematic Review and Meta-Analysis

Lookup NU author(s): Professor Derek Manas, Steven White


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© The Finnish Surgical Society 2020.Background: Theoretical advantages of robotic surgery compared to conventional laparoscopic surgery include improved instrument dexterity, 3D visualization, and better ergonomics. This systematic review and meta-analysis aimed to determine advantages of robotic surgery over laparoscopic surgery in patients undergoing liver resections. Method: A systematic literature search was conducted for studies comparing robotic assisted or totally laparoscopic liver resection. Meta-analysis of intraoperative (operative time, blood loss, transfusion rate, conversion rate), oncological (R0 resection rates), and postoperative (bile leak, surgical site infection, pulmonary complications, 30-day and 90-day mortality, length of stay, 90-day readmission and reoperation rates) outcomes was performed using a random effects model. Result: Twenty-six non-randomized studies including 2630 patients (950 robotic and 1680 laparoscopic) were included, of which 20% had major robotic liver resection and 14% had major laparoscopic liver resection. Intraoperatively, robotic liver resection was associated with significantly less blood loss (mean: 286 vs 301 mL, p < 0.001) but longer operating time (mean: 281 vs 221 min, p < 0.001). There were no significant differences in conversion rates or transfusion rates between robotic liver resection and laparoscopic liver resection. Postoperatively, there were no significant differences in overall complications, bile leaks, and length of hospital stay between robotic liver resection and laparoscopic liver resection. However, robotic liver resection was associated with significantly lower readmission rates than laparoscopic liver resection (odds ratio: 0.43, p = 0.005). Conclusion: Robotic liver resection appears to offer some advantages compared to conventional laparoscopic surgery, although both techniques appear equivalent. Importantly, the quality of evidence is generally limited to cohort studies and a high-quality randomized trial comparing both techniques is needed.

Publication metadata

Author(s): Kamarajah SK, Bundred J, Manas D, Jiao LR, Hilal MA, White SA

Publication type: Article

Publication status: Published

Journal: Scandinavian Journal of Surgery

Year: 2020

Volume: 110

Issue: 3

Pages: 290-300

Print publication date: 01/09/2021

Online publication date: 07/08/2020

Acceptance date: 20/04/2020

ISSN (print): 1457-4969

ISSN (electronic): 1799-7267

Publisher: Sage Publications Inc.


DOI: 10.1177/1457496920925637


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