• Shih-Hua Lin, Wei-Ting Chen, Ming-Hung Tsai, Li-Tong Liu, Wei-Liang Kuo, Yan-Ting Lin, Sheng-Fu Wang, Bo-Huan Chen, Cheng-Han Lee, Chien-Hao Huang, and Rong-Nan Chien.
• Department of Gastroenterology and Hepatology, New Taipei Municipal TuCheng Hospital, Tucheng, New Taipei City, 236, Taiwan.
• Intern Emerg Med. 2024 Apr 1; 19 (3): 721730721-730.

AbstractAcute-on-chronic liver failure (ACLF) implies high short-term mortality rates and usually requires intensive care unit (ICU) admission. Proper prognosis for these patients is crucial for early referral for liver transplantation. The superiority of CLIF-C ACLF score in Asian patients with ACLF admitted to an ICU remains inconclusive when compared to other scoring systems. The purpose of the study is (i) to compare the predictive performance of original MELD, MELD-Lactate, CLIF-C ACLF, CLIF-C ACLF-Lactate, and APACHE-II scores for short-term mortality assessment. (ii) to build and validate a novel scoring system and to compare its predictive performance to that of the original five scores. Two hundred sixty-five consecutive cirrhotic patients with ACLF who were admitted to our ICU were enrolled. The prognostic values for mortality were assessed by ROC analysis. A novel model was developed and internally validated using fivefold cross-validation. Alcohol abuse was identified as the primary etiology of cirrhosis. The AUROC of the five prognostic scores were not significantly superior to each other in predicting 1-month and 3-month mortality. The newly developed prognostic model, incorporating age, alveolar-arterial gradient (A-a gradient), BUN, total bilirubin level, INR, and HE grades, exhibited significantly improved performance in predicting 1-month and 3-month mortality with AUROC of 0.863 and 0.829, respectively, as compared to the original five prognostic scores. The novel ACLF model seems to be superior to the original five scores in predicting short-term mortality in ACLF patients admitted to an ICU. Further rigorous validation is required.© 2024. The Author(s), under exclusive licence to Società Italiana di Medicina Interna (SIMI).

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