Risk stratification of decompensated cirrhosis patients by Chronic Liver Failure Consortium scores: Classification
Yu Shi1, Zheyue Shu2, Wenjie Sun3
1State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Insights
The Chronic Liver Failure (CLIF) Consortium scores accurately predict mortality in decompensated cirrhosis patients. These scores offer better risk stratification than traditional methods like MELD and CP, aiding clinical decisions.
Area of Science:
- Hepatology
- Prognostic Biomarkers
- Clinical Risk Stratification
Background:
- Decompensated cirrhosis prognosis varies significantly.
- Accurate risk stratification is crucial for patient management.
- Existing scoring systems may lack precision.
Purpose of the Study:
- To evaluate the prognostic performance of CLIF Consortium scores.
- To stratify mortality risk in patients with and without acute-on-chronic liver failure (ACLF).
- To compare CLIF scores against established prognostic models.
Main Methods:
- Validated CLIF Consortium acute-on-chronic liver failure (CLIF-C ACLFs) and CLIF Consortium Acute Decompensation (CLIF-C ADs) scores.
- Utilized a cohort of 209 ACLF and 1245 non-ACLF patients.
- Employed classification and regression tree (CRT) analysis for risk stratification.
Main Results:
- CLIF-C ACLFs and CLIF-C ADs demonstrated superior predictive accuracy over MELD, MELD-Na, and CP scores.
- CRT analysis successfully stratified patients into distinct risk groups.
- The CRT model showed improved prognostic prediction across all patient groups.
Conclusions:
- CLIF-C ACLF and CLIF-C AD scores are more effective than MELD, MELD-Na, and CP for predicting mortality.
- Combined use of CLIF scores aids in identifying high-risk cirrhosis patients.
- These scores can assist in clinical decision-making for patient management.
Aim:
Decompensated cirrhosis patients have greatly variable prognosis. The aim of the study was to carry out a risk stratification for those patients by Chronic Liver Failure (CLIF) Consortium scores.
Methods:
The performance of CLIF Consortium acute-on-chronic liver failure scores (CLIF-C ACLFs) and CLIF Consortium Acute Decompensation scores (CLIF-C ADs) were validated in 209 patients with ACLF and 1245 patients without ACLF at admission from the Ningbo Cohort. A classification and regression tree (CRT) analysis by CLIF-C ACLFs/CLIF-C ADs was carried out to stratify death risk among patients.
Results:
The CLIF-C ACLFs and CLIF-C ADs showed higher predictive accuracy than Model for End-stage Liver Disease (MELD) scores, MELD plus serum sodium (MELD-Na) scores, and Child-Turcotte-Pugh classification (CP) at main time points (28, 90, 180, and 365 days), determined by area under the receiver-operating characteristic curve and concordance index in ACLF and no-ACLF patients at admission. The CRT analysis categorized ACLF patients into two groups (advanced and early ACLF), and no-ACLF patients into three groups (high-, medium-, and low-risk AD) according to risk of death. However, early ACLF and high-risk AD patients had comparable mortality at the main time points. The CRT model had a higher area under the receiver-operating characteristic curve than MELDs, MELD-Nas, and CPs in predicting prognosis in all patients.
Conclusions:
The CLIF-C ACLF and CLIF-C AD are better prognostic scores than MELD, MELD-Na, and CP in predicting mortality of ACLF and no-ACLF patients. A combined use of CLIF- Sequential Organ Failure Assessment, CLIF-C ACLFs, and CLIF-C ADs could identify cirrhosis patients at high death risk and assist clinical decisions for management.
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