Diagnostic and Prognostic Value of Serum Leptin in Critically Ill Patients with Acute versus Acute-on-Chronic Liver Failure
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View abstract on PubMed
Summary
This summary is machine-generated.Serum leptin can help differentiate acute liver failure (ALF) from acute-on-chronic liver failure (ACLF). Lower leptin levels effectively rule out ALF in critically ill patients with liver dysfunction.
Area Of Science
- Hepatology
- Endocrinology
- Critical Care Medicine
Background
- Distinguishing acute liver failure (ALF) from acute-on-chronic liver failure (ACLF) is crucial for patient management and organ allocation.
- Leptin, a cytokine from adipose tissue, has known regulatory roles in hepatic function.
Purpose Of The Study
- To investigate serum leptin concentrations as a potential diagnostic and prognostic biomarker in critically ill patients with liver disease.
- To assess the utility of leptin in differentiating ALF from ACLF.
Main Methods
- Serum leptin levels were measured in 160 critically ill patients with liver disease and 20 healthy controls.
- Patients were categorized into ALF, decompensated advanced chronic liver disease (dACLD), and ACLF groups.
Main Results
- Patients with ALF exhibited significantly higher serum leptin concentrations (110 pg/mL) compared to dACLD (50 pg/mL) and ACLF (29 pg/mL) groups (p < 0.001).
- Serum leptin levels below 56 pg/mL demonstrated a high negative predictive value (98.8%) for excluding ALF.
- No significant dynamic changes in leptin levels were observed within 48 hours of ICU treatment.
Conclusions
- Serum leptin may serve as a valuable biomarker to exclude ALF in critically ill patients presenting with acute liver dysfunction.
- Leptin's diagnostic potential in differentiating liver failure types warrants further investigation.
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