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Efficacy and safety of preoperative transarterial chemoembolization for hepatocellular carcinoma: a systematic review and meta-analysis
Shizheng Mi
, Yang Nie
& Changming Xie
ORCID Icon
Received 17 Jan 2022, Accepted 20 Mar 2022, Published online: 02 Apr 2022
Download citation https://doi.org/10.1080/00365521.2022.2057198 CrossMark Logo CrossMark
Abstract
Objective
The aim of the study was to compare preoperative transcatheter arterial chemotherapy (TACE) plus liver resection (LR) with liver resection (LR) alone for hepatocellular carcinoma (HCC).
Materials and methods
PubMed, Embase, Cochrane library, web of science and China National Knowledge Infrastructure (CNKI) were searched from their initiation until 24 August 2021. Eligible languages were English and Chinese. This study includes only RCT and cohort studies. The primary outcome was the prognostic factors including overall survival rate (OS), disease-free survival (DFS), recurrence-free survival (RFS), and we also research the operative time, intraoperative blood loss, and postoperative complication.
Results
Twenty-nine trials (2 RCTs and 27 cohorts) were included, containing a total of 22023 patients, compared with hepatic resection, preoperative TACE plus LR shows the benefit of RFS (Hazard Ratio (HR)=0.80, 95%CI = [0.73–0.88], p < .001), and the combined therapy was associated with a higher OS for patients with HCC in Barcelona Clinic Liver Cancer (BCLC) B stage (HR = 0.76, 95%CI = [0.60–0.96], p = .024). In terms of safety, combination therapy is related to less intraoperative blood loss (Weighted Mean Difference (WMD)=-11.17, 95%CI = [-21.79 to −0.54], p = .039); and there’s no statistical significance in postoperative complication (Risk Ratio (RR)=0.99, 95%CI= [0.90–1.08], p = 0.771) and operative time (WMD = 7.57, 95%CI = [-5.07 to 20.20], p = .240).
Conclusion
TACE prior to surgery should be recommended as a routine treatment for HCC patients, especially BCLC B stage HCC, in view of its benefits for RFS and OS. Large, multicenter, and blinded randomized trials should be performed to confirm these findings.
Keywords: Hepatocellular carcinomameta-analysistranscatheter arterial chemoembolizationhepatectomy |
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