Background And Aims: Irreversible electroporation (IRE) is an emerging local ablation therapy which may be effective for unresectable tumors. This study aimed to evaluate the safety and efficacy of percutaneous IRE in the treatment of hepatocellular carcinoma (HCC) abutting the diaphragm.
Methods: A total of 26 participants with 39 tumors abutting the diaphragm were prospectively evaluated between July 2015 and September 2018. Complications associated with IRE were recorded, and the survival benefit of IRE was analyzed. The factors associated with time to local tumor progression (LTP) were analyzed using univariate and multivariate Cox regression models.
Results: No major complications or treatment-related deaths occurred. The technical success rate was 96.2% (25/26) and complete ablation rate was 92.3% (36/39). The median follow-up period was 16.7 months (range: 3.0-43.0 months), the LTP occurred in 15.2% of tumors and median time to LTP was 20.4 months. Overall, tumor size (hazard ratio: 1.24 [95% confidence interval: 0.38, 3.81], =0.03) was the only factor associated with time to LTP.
Conclusions: This study shows for the first time that percutaneous IRE is a safe and effective ablation technology for HCC abutting the diaphragm.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9039715 | PMC |
| http://dx.doi.org/10.14218/JCTH.2021.00019 | DOI Listing |
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