Anticancer research · 2024
Long-term Outcomes of Hepatic Resection Combined With Intraoperative Ablation Versus Hepatic Resection Alone for Multinodular Hepatocellular Carcinoma: Insights from a Single-center Study.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Ikuta Shinichi, Aihara Tsukasa, Kasai Meidai, Nakajima Takayoshi, Yamanaka Naoki
Аннотация
BACKGROUND/AIM: The efficacy of combining hepatic resection (HR) with ablation therapy in treating multinodular hepatocellular carcinoma (mHCC) remains uncertain. This study aimed to compare the long-term survival outcomes of patients with mHCC undergoing HR combined with intraoperative ablation (HRA) versus those undergoing HR alone.
PATIENTS AND METHODS: A retrospective analysis was conducted on 296 patients diagnosed with early-stage [Barcelona Clinic Liver Cancer (BCLC)-A] or intermediate-stage (BCLC-B) mHCC who underwent initial HR. Patients were divided into two groups: those who received HRA (HRA group, n=159) and those who underwent HR alone (HR group, n=137). Propensity score (PS), estimated as the likelihood of undergoing HRA, was applied to adjust for between-group differences in baseline characteristics. Overall survival (OS) and relapse-free survival (RFS) were compared using Cox regression and Kaplan-Meier analyses.
RESULTS: There were no significant differences in survival between the HRA and HR groups, with 5-year OS and RFS rates of 47.7% versus 51.9% (p=0.837) and 17.0% versus 25.9% (p=0.094), respectively. After adjusting for PS, the differences remained non-significant (p=0.579 for OS and p=0.410 for RFS). Consistent results were also observed in PS-adjusted subgroup analysis stratified by factors such as BCLC stage, "Up-to-7" criteria, and Child-Pugh class.
CONCLUSION: HRA may offer comparable long-term efficacy to HR alone in mHCC, suggesting broader treatment options that challenge the guideline-based monotherapy.
PATIENTS AND METHODS: A retrospective analysis was conducted on 296 patients diagnosed with early-stage [Barcelona Clinic Liver Cancer (BCLC)-A] or intermediate-stage (BCLC-B) mHCC who underwent initial HR. Patients were divided into two groups: those who received HRA (HRA group, n=159) and those who underwent HR alone (HR group, n=137). Propensity score (PS), estimated as the likelihood of undergoing HRA, was applied to adjust for between-group differences in baseline characteristics. Overall survival (OS) and relapse-free survival (RFS) were compared using Cox regression and Kaplan-Meier analyses.
RESULTS: There were no significant differences in survival between the HRA and HR groups, with 5-year OS and RFS rates of 47.7% versus 51.9% (p=0.837) and 17.0% versus 25.9% (p=0.094), respectively. After adjusting for PS, the differences remained non-significant (p=0.579 for OS and p=0.410 for RFS). Consistent results were also observed in PS-adjusted subgroup analysis stratified by factors such as BCLC stage, "Up-to-7" criteria, and Child-Pugh class.
CONCLUSION: HRA may offer comparable long-term efficacy to HR alone in mHCC, suggesting broader treatment options that challenge the guideline-based monotherapy.