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. 2022 Apr;26(4):813-821.
doi: 10.1007/s11605-021-05146-3. Epub 2021 Oct 7.

Impact of Time to Recurrence on Survival Outcome of Salvage Liver Transplantation

Pak Chiu Wong  1 , Wong Hoi She  2 , Ka Wing Ma  1 , Sui Ling Sin  1 , Tiffany Cho Lam Wong  1 , Wing Chiu Dai  1 , Tan To Cheung  1 , Albert Chi Yan Chan  1 , Chung Mau Lo  1
Affiliations

Impact of Time to Recurrence on Survival Outcome of Salvage Liver Transplantation

Pak Chiu Wong et al. J Gastrointest Surg. 2022 Apr.

Abstract

Background: Salvage liver transplantation (SLT) is the ideal treatment for patients with recurrent hepatocellular carcinoma (HCC) and liver cirrhosis. The optimal timing for offering SLT was controversial. This study aimed at investigating the impact of time to recurrence and other prognostic factors on survival outcome after SLT.

Methods: Between May 2000 and April 2019, patients who had undergone hepatectomy or ablation for HCC and later received SLT in Queen Mary Hospital were included. Clinico-pathological data during primary treatment and SLT were retrospectively reviewed. Kaplan-Meier analysis and log-rank test were used to determine overall and disease-free survival after SLT. Prognostic factors affecting overall and disease-free survival were determined by multivariate analysis using Cox regression analysis. P-value of less than 0.05 was considered statistically significant.

Results: Fifty-three patients were identified within the specified period including 22 patients in early recurrence group (ER group, time to recurrence within 1 year) and 31 patients in late recurrence group (LR group, time to recurrence more than 1 year). The 1-, 5-, and 10-year overall survival after primary treatment was 100%, 76.6%, and 61.1% in the ER group and 100%, 90%, and 76.4% in the LR group (p = 0.59). There were no statistical differences in overall survival (p = 0.84) and disease-free survival (p = 0.85) after SLT between ER and LR group. Pre-transplant alpha-fetoprotein > = 400 ng/mL (p = 0.007) and macrovascular invasion in explant (p = 0.002) were independent risk factors for shorter overall survival after primary treatment.

Conclusion: Time to recurrence after primary treatment of HCC did not affect survival outcome after SLT. With careful patient selection, SLT could be offered to patient with early or late tumor recurrence.

Keywords: Alpha-fetoprotein; Hepatocellular carcinoma; Liver cirrhosis; Prognostic factors; Selection criteria.

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