Abstract
Background
Few studies have compared the therapeutic outcomes in patients with HCC who underwent laparoscopic radiofrequency ablation (LRFA) versus percutaneous radiofrequency ablation (PRFA) for hepatocellular carcinoma (HCC). Therefore, this study compared the recurrence and survival outcomes of the two RFA methods in patients with HCC.
Methods
Recurrence and overall survival outcomes were evaluated in 307 patients who underwent LRFA (n = 151) or PRFA (n = 156) as a treatment method for de novo HCC. Inverse probability of treatment weighting (IPTW) analysis was performed to reduce the impact of treatment selection bias.
Results
There were no significant differences in major baseline characteristics between the LRFA and PRFA groups. However, the proportion of cirrhotic patients was higher in the LRFA group, whereas the LRFA group had more tumors and a more advanced tumor-node-metastasis stage. Moreover, the mean tumor size was significantly larger in the LRFA group than in the PRFA group. In a multivariate analysis, serum albumin level, more than three tumors, and the RFA method were identified as significant predictors of recurrence-free survival. Moreover, for the overall survival of HCC patients, serum albumin levels, days of hospital stay during RFA, and the RFA method were independent predictors. In the IPTW-adjusted analysis, the LRFA group showed significantly higher recurrence-free survival and overall survival.
Conclusions
Our study revealed that compared with PRFA, LRFA was associated with longer recurrence-free survival and favorable overall survival in patients with HCC. Therefore, LRFA should be considered the primary therapy in patients with HCC eligible for RFA.
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Data availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Abbreviations
- HCC:
-
Hepatocellular carcinoma
- RFA:
-
Radiofrequency ablation
- PRFA:
-
Percutaneous radiofrequency ablation
- LRFA:
-
Laparoscopic radiofrequency ablation
- CT:
-
Computed tomography
- MRI:
-
Magnetic resonance imaging
- AFP:
-
Alpha-fetoprotein
- PIVKA-II:
-
Prothrombin induced by vitamin K absence II
- TACE:
-
Transarterial chemoembolization
- IPTW:
-
Inverse probability treatment weighting
- IOUS:
-
Intraoperative ultrasound
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SHK and HSE designed the study. BSL, ESL, WSR, JKS, HSM, SHK, HSL, SHK, and KC performed the study selection, literature search, and data extraction. HJJ and HSE performed statistical analyses. ISK provided statistical advice on the study design and data analysis. HJJ, HSE, KC, and SHK wrote the first draft of the manuscript. All authors contributed to the interpretation of the data and critically reviewed the manuscript.
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Hong Jae Jeon, Hyuk Soo Eun, In Sun Kwon, Byung Seok Lee, Eaum Seok Lee, Woo Sun Rou, Jae Kyu Sung, Hee Seok Moon, Sun Hyung Kang, Hyun Seok Lee, Seok-Hwan Kim, Kwangsik Chun, and Seok Hyun Kim have no conflicts of interest or financial ties to disclosure.
Ethical approval
This study was approved by the Institutional Review Board of Chungnam National University Hospital (IRB Number: CNUH 2016-06-009-011). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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Jeon, H., Eun, H., Kwon, I. et al. Outcomes of laparoscopic radiofrequency ablation versus percutaneous radiofrequency ablation for hepatocellular carcinoma. Surg Endosc 37, 5176–5189 (2023). https://doi.org/10.1007/s00464-023-09956-1
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DOI: https://doi.org/10.1007/s00464-023-09956-1