Clinical Study

Laparoscopic liver resection in metastatic colorectal cancer treatment: comparison with long-term results using the conventional approach

24 Oct 2017
Rafael José Maurette, Marcos García Ejarque, Matías Mihura, Mariano Bregante, Diego Bogetti, Daniel Pirchi

Background: Laparoscopic liver resections (LLRs) have been shown to be both feasible and safe. However, no randomised control studies have been performed to date comparing results with those of the open surgery approach.

Main aim: To analyse LLR long-term results and compare them with a similar group of open resections in patients with colorectal carcinoma liver metastasis (CRCLM).

Methods: Retrospective study on a prospective database. All patients with anatomopathological diagnosis of CRCLM resected between July 2007 and July 2015.

Results: Twenty-two open resections and 18 laparoscopic resections which presented favourable lesions for laparoscopic approach were analysed. Postoperative grade III morbidity was similar in both groups (p = 0.323). Disease-free survival at 1, 3, and 8 years in the laparoscopy group (n =16) was 81%, 58%, and 58%, respectively, while in the open surgery group (n = 17) it was 64%, 37%, and 19% respectively; no differences were found (p = 0.388). Global survival in the laparoscopy group was 93%, 60%, and 40%, respectively, and 88%, 74.5%, and 58.7%, respectively, in the open surgery group; no differences were found (p = 0.893) with a 37 months average follow-up.

Conclusion: LLR in patients with technically favourable CRCLM had similar morbidity to open resections and resection margins were not compromised because of laparoscopy.

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