Robotic beyond total mesorectal excision for locally advanced rectal cancers: Perioperative and oncological outcomes from a multicentre case series

Khan, Jim S. and Piozzi, Guglielmo Niccolo and Rouanet, Philippe and Saklani, Avanish and Ozben, Volkan and Neary, Paul and Coyne, Peter and Kim, Seon Hahn and Garcia-Aguilar, Julio (2024) Robotic beyond total mesorectal excision for locally advanced rectal cancers: Perioperative and oncological outcomes from a multicentre case series. European Journal of Surgical Oncology, 50 (6). p. 108308. ISSN 0748-7983, DOI https://doi.org/10.1016/j.ejso.2024.108308.

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Official URL: https://doi.org/10.1016/j.ejso.2024.108308

Abstract

Background: Around 20% of rectal tumors are locally advanced with invasion into adjacent structures at presentation. These may require surgical resections beyond boundaries of total mesorectal excision (bTME) for radicality. Robotic bTME is under investigation. This study reports perioperative and oncological outcomes of robotic bTME for locally advanced rectal cancers. Materials and methods: A multicentre, retrospective analysis of prospectively collected robotic bTME resections (July 2015-November 2020). Demographics, clinicopathological features, short-term outcomes, recurrences, and survival were investigated. Results: One-hundred-sixty-eight patients (eight centres) were included. Median age and BMI were 60.0 (50.0-68.7) years and 24.0 (24.4-27.7) kg/m2. Female sex was prevalent (n = 95, 56.8%). Fifty patients (29.6%) were ASA III-IV. Neoadjuvant chemoradiotherapy was given to 125 (74.4%) patients. Median operative time was 314.0 (260.0-450.0) minutes. Median estimated blood loss was 150.0 (27.5-500.0) ml. Conversion to laparotomy was seen in 4.8%. Postoperative complications occurred in 77 (45.8%) patients; 27.3% and 3.9% were Clavien-Dindo III and IV, respectively. Thirty-day mortality was 1.2% (n = 2). R0 rate was 92.9%. Adjuvant chemotherapy was offered to 72 (42.9%) patients. Median follow-up was 34.0 (10.0-65.7) months. Distant and local recurrences were seen in 35 (20.8%) and 15 patients (8.9%), respectively. Overall survival (OS) at 1, 3, and 5-years was 91.7, 82.1, and 76.8%. Disease-free survival (DFS) at 1, 3, and 5-years was 84.0, 74.5, and 69.2%. Conclusion: Robotic bTME is technically safe with relatively low conversion rate, good OS, and acceptable DFS in the hands of experienced surgeons in high volume centres. In selected cases robotic approach allows for high R0 rates during bTME.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Robotic surgery; Rectal cancer; Multi-visceral resection; beyond TME; Case series; Pelvic exenteration
Subjects: R Medicine
R Medicine > RD Surgery
Divisions: Faculty of Medicine > Surgery Department
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Sep 2024 06:54
Last Modified: 23 Sep 2024 06:54
URI: http://eprints.um.edu.my/id/eprint/45181

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