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Ann Hepatol ; 29(3): 101496, 2024.
Article in English | MEDLINE | ID: mdl-38460714

ABSTRACT

INTRODUCTION AND OBJECTIVES: Hepatic encephalopathy (HE) is a frequent complication of cirrhosis and may cause cerebral damage. Neurodegenerative diseases can induce the release of neuroproteins like neurofilament light chain (NfL) and glial fibrillary acidic protein (GFAP) in body fluids, including blood plasma. We investigated whether NfL and GFAP could serve as potential diagnostic plasma biomarkers for overt HE (oHE). MATERIALS AND METHODS: We included 85 patients from three prospective cohorts with different stages of liver disease and HE severity. The following patients were included: 1) 34 patients with primary sclerosing cholangitis (PSC) with compensated disease; 2) 17 patients with advanced liver disease without oHE before elective transjugular intrahepatic portosystemic shunt (TIPS) placement; 3) 17 intensive care unit (ICU) patients with oHE and 17 ICU patients without cirrhosis or oHE. Plasma NfL and GFAP were measured using single molecule assays. RESULTS: ICU oHE patients had higher NfL concentrations compared to pre-TIPS patients or ICU controls (p < 0.05, each). Median GFAP concentrations were equal in the ICU oHE and pre-TIPS patients or ICU controls. Plasma NfL and GFAP concentrations correlated with Model for End-Stage Liver Disease (MELD) scores (R = 0.58 and R = 0.40, p < 0.001, each). CONCLUSIONS: Plasma NfL deserves further evaluation as potential diagnostic biomarker for oHE and correlates with the MELD score.


Subject(s)
Biomarkers , Glial Fibrillary Acidic Protein , Hepatic Encephalopathy , Liver Cirrhosis , Neurofilament Proteins , Humans , Hepatic Encephalopathy/blood , Hepatic Encephalopathy/etiology , Hepatic Encephalopathy/diagnosis , Biomarkers/blood , Glial Fibrillary Acidic Protein/blood , Female , Male , Middle Aged , Neurofilament Proteins/blood , Liver Cirrhosis/blood , Liver Cirrhosis/complications , Liver Cirrhosis/diagnosis , Prospective Studies , Aged , Adult , Severity of Illness Index , Predictive Value of Tests , Case-Control Studies
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