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The Association of Age and Liver Transplant Outcomes in Patients With Acute-On-Chronic Liver Failure
Jie Zhou1, Siyao Zhang2, Jingxia Liu1
1Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
Introduction:
To explore the role of age at listing on outcomes for patients with acute-on-chronic liver failure (ACLF) awaiting liver transplantation (LT).
Materials And Methods:
We assessed adult candidates listed for LT in the Scientific Registry of Transplant Recipients database from January 1, 2007 to June 30, 2018. Patients were divided into four groups based on age at listing: I (≤34), II (35-49), III (50-64), and IV (≥65). The ACLF grade was estimated (est-ACLF), and intent-to-treat survival, overall survival (OS), as well as potential predictors for OS was evaluated.
Results:
Est-ACLF-3 was associated with a higher 30-d cumulative dropout rate and inferior intent-to-treat survival across age groups. No difference was observed in OS among ACLF grades in group I, but significantly inferior OS was observed in higher ACLF grades in groups II-IV. Multivariate analysis showed age (P < 0.001, ref. group I; hazard ratio 0.995 for group II, P = 0.936; 1.196 for group III, P = 0.002; 1.651 for group IV, P < 0.001) and est-ACLF grade (P < 0.001, ref. est-ACLF-0; 1.214 for est-ACLF-1, P < 0.001; 1.246 for est-ACLF-2, P < 0.001; 1.578 for est-ACLF-3, P < 0.001) were independent predictors for OS. Generalized additive model showed different association between age and OS among different ACLF grades.
Conclusions:
Young patients with high ACLF grades could achieve similar OS compared with those with low grades. Elderly patients with higher ACLF grades were associated with inferior outcomes after LT.
