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Published on: September 30, 2021
Development and Applicability of the A-P 200 Criteria for Liver Transplantation for Hepatocellular Carcinoma
1Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea; Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
Background:
The Milan criteria are widely accepted for indicating liver transplantation in patients with hepatocellular carcinoma (HCC). However, a 7% to 20% possibility of HCC recurrence remains, even among patients who fulfill the Milan criteria.
Methods:
We retrospectively reviewed 88 patients with HCC who underwent liver transplantation at Pusan National University Yangsan Hospital between May 2010 and December 2014. The risk factors for HCC recurrence were analyzed, and the overall survival and disease-free survival rates were calculated based on each risk factor.
Results:
Seventeen patients (19.3%) experienced HCC recurrence. Multivariate analyses revealed that the independent risk factors for HCC recurrence were protein induced by vitamin K absence or antagonist II (PIVKA-II) levels of >200 mAU/mL, levels of >200 for alpha-fetoprotein (ng/mL) or PIVKA-II (mAU/mL), and microvascular invasion. Therefore, we defined the A-P 200 criteria as simultaneously exhibiting alpha-fetoprotein levels of ≤200 ng/mL and PIVKA-II levels of ≤200 mAU/mL. The 3-year overall survival rates among patients who fulfilled or exceeded the A-P 200 criteria were 89.2% and 80.0%, respectively (P = .79). The 3-year disease-free survival rates among patients who fulfilled or exceeded the A-P 200 criteria were 89.9% and 43.1%, respectively (P < .001). We also applied the A-P 200 criteria to patient data from another major center and observed similar results.
Conclusion:
These findings confirm that the A-P 200 criteria can be used to predict recurrence after liver transplantation among patients with HCC.
