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Meta-Analysis
. 2021 Oct:74:101977.
doi: 10.1016/j.canep.2021.101977. Epub 2021 Jul 22.

Repeat hepatectomy justified in patients with early recurrence of colorectal cancer liver metastases: A systematic review and meta-analysis

Tessa Hellingman  1 , Merijn E de Swart  2 , Martijn W Heymans  3 , Elise P Jansma  4 , Hans J van der Vliet  5 , Geert Kazemier  2
Affiliations
Free article
Meta-Analysis

Repeat hepatectomy justified in patients with early recurrence of colorectal cancer liver metastases: A systematic review and meta-analysis

Tessa Hellingman et al. Cancer Epidemiol. 2021 Oct.
Free article

Abstract

Background: The benefit of repeat hepatectomy in patients with early recurrence of colorectal cancer liver metastases (CRLM) is questioned, in particular in those suffering from recurrence within three to six months following initial hepatectomy. The aim of this review was therefore to assess whether disease-free interval was associated with overall survival in patients undergoing repeat hepatectomy for recurrent CRLM.

Methods: A systematic review and meta-analysis was conducted, according to PRISMA guidelines. PubMed, Embase and Cochrane Library databases were searched from database inception to 6th June 2020. Observational studies describing results of repeat hepatectomy for recurrent CRLM, including (disease-free) interval between hepatic resections and overall survival were included. Patients undergoing repeat hepatectomy within three months or additional resection of extrahepatic disease were excluded from meta-analysis.

Results: The initial search identified 2159 records, of which 28 were included for qualitative synthesis. A meta-analysis of 15 cohort studies was performed, comprising 1039 eligible patients. Median overall survival of 54.0 months [95 %-CI: 38.6-69.4] was observed after repeat hepatectomy in patients suffering from recurrent CRLM between three to six months compared to 53.0 months [95 %-CI: 44.3-61.6] for patients with recurrent CRLM between seven to twelve months (adjusted HR = 0.89, 95 %-CI: 0.66-1.18; p = 0.410), and 60.0 months [95 %-CI: 52.7-67.3] for patients with recurrent CRLM after twelve months (adjusted HR = 0.70, 95 %-CI: 0.53-0.92; p = 0.012).

Conclusions: Disease-free interval is considered a prognostic factor for overall survival, but should not be used as selection criterion per se for repeat hepatectomy in patients suffering from recurrent CRLM.

Keywords: Colorectal cancer; Liver metastasis; Recurrent disease; Survival; Treatment.

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