Τρίτη 5 Μαΐου 2020

Diagnostics, Vol. 10, Pages 278: Vitamin D-Binding Protein (Gc-Globulin) in Acute Liver Failure in Children

Diagnostics, Vol. 10, Pages 278: Vitamin D-Binding Protein (Gc-Globulin) in Acute Liver Failure in Children:

Diagnostics, Vol. 10, Pages 278: Vitamin D-Binding Protein (Gc-Globulin) in Acute Liver Failure in Children

Diagnostics doi: 10.3390/diagnostics10050278

Authors:
Alina Grama
Lucia Burac
Cornel Olimpiu Aldea
Bogdan Bulata
Dan Delean
Gabriel Samasca
Carmen Abrudan
Claudia Sirbe
Tudor Lucian Pop


This study aimed to analyse vitamin d-binding protein (Gc-globulin) serum levels in acute liver failure (ALF) in children in relation to disease outcomes and correlations with other known markers used to evaluate the severity of ALF. Our study included 34 children (mean age 4.87 ± 5.30 years) with ALF of different causes (metabolic, 26.47%; autoimmune, 23.53%; toxic, 20.59%; infection, 17.65%; unknown, 11.76%) and 30 children without any liver injury (mean age 6.11 ± 4.26 years). The outcome was poor in 14 patients (41.18%), including one child with liver transplantation (2.94%). Serum Gc-globulin levels were significantly lower in ALF patients compared to the control group (151.57 ± 171.8 mg/L vs. 498.63 ± 252.50 mg/L; p < 0.000001), with an optimum cut-off of 163.5 mg/L (Area Under the Curve, AUC, 0.8921; sensitivity, 76.50%; specificity, 100%). Levels were also lower in patients with poor outcomes compared to survivors (59.34 ± 33.73 mg/L vs. 216.12 ± 199.69 mg/L; p < 0.0001), with an optimum cut-off 115 mg/L (AUC, 0.7642; sensitivity, 100%; specificity, 50%). Gc-globulin serum levels were variable according to ALF aetiology, i.e., lower in metabolic, infectious, or unknown causes compared to autoimmune and toxic causes. Gc-globulin serum levels were decreased in children with ALF and lower in those with poor outcomes compared with survivors. Gc-globulin serum levels were correlated with other known parameters used to evaluate the severity of ALF and could help to identify patients at high risk for poor outcomes.

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