The Long-Term Efficacy of Radiofrequency Ablation Versus Laparoscopic Hepatectomy for Small Hepatocellular Carcinoma in East Asia: A Systematic Review and Meta-Analysis
Message:
Abstract:
Context

Hepatocellular carcinoma (HCC) is a common malignant cancer and the second leading cause of cancer-related deaths around the world. Radiofrequency ablation (RFA) and laparoscopic hepatectomy (LH) have been adopted for the treatment of HCC. The aim of the meta-analysis was to explore the long-term efficacy of RFA compared with LH for small HCC (sHCC) patients in the East Asian population.

Evidence Acquisition

We performed a systematic review and meta-analysis by the literature search on PubMed, Cochrane Library, EMBASE, Chinese Biological Medical Literature (CBM), Chinese National Knowledge Infrastructure (CNKI), and Wanfang from their inception until October 10, 2019, for comparing the long-term efficacy outcomes of RFA with LH.

Results

Fourteen retrospective studies with 1,390 subjects were included in the meta-analysis. Compared with the LH-treated group, RFA could raise the local recurrence rate under median follow-up duration and reduce disease-free survival (DFS) rates at 1 - 3 years. However, it failed to affect 5-year overall survival (OS) and DFS rates. In the subgroup analyses, different RFA approaches had significantly higher local recurrence rates than the LH group. A similar effect on OS and DFS rates within five years for single early (≤ 3 cm) HCCs and on the 1- and 5-year DFS rates for nodules ≤ 5 cm were observed between the two groups, but RFA approaches could reduce the 3-y OS and DFS rates for single nodules ≤ 5 cm. The percutaneous radiofrequency ablation (PRFA) group had significantly lower 3- and 5-year OS and the 1- and 3-year DFS rates than the LH group, while no significant difference in OS and DFS rates in the laparoscopic radiofrequency ablation (LRFA) approach. The RFA approach improved the 3-year OS compared with the LH group in Japan, but reduced the 3-year OS and DFS rates within 3 years in China.

Conclusions

Our results support that LH treating sHCC had a better long-term efficacy and a lower local recurrence rate than RFA in the East Asian population. Further high-quality prospective studies are required to confirm the long-term efficacy.

Article Type:
Review Article
Language:
English
Published:
Iranian Red Crescent Medical Journal, Volume:22 Issue: 7, 2020
Page:
20
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