Total Mesorectal Excision with New Robotic Platforms: A Scoping Review.

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Colorectal surgery is one of the specialties that have significantly benefited from the adoption of robotic technology. Over 20 years since the first robotic rectal resection, the Intuitive Surgical Da Vinci system remains the predominant platform. The introduction of new robotic systems into the market has enabled the first documented total mesorectal excision (TME) using alternative platforms. This scoping review aimed to assess the role and adoption of these emerging robotic systems in performing TME for rectal cancer surgery. Methods: A comprehensive search of the Medline, Embase, and Cochrane databases was conducted up to August 2024, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) guidelines. Results: Thirty-six studies were included in the review. The majority of rectal surgical procedures were performed using eight different robotic platforms. Intraoperative, short-term, and functional outcomes were generally favorable. However, pathological results were frequently incomplete. Several studies identified the lack of advanced robotic instruments as a significant limitation. Conclusions: The quality of the resected specimen is critical in rectal cancer surgery. Although TME performed with new robotic platforms appears to be feasible and safe, the current body of literature is limited, particularly in the assessment of pathological and long-term survival outcomes.