Liver Failure and Conjugated Hyperbilirubinemia in a Preterm Neonate: Role of Early IVIG and Exchange Transfusion

早产儿肝功能衰竭和结合型高胆红素血症:早期静脉注射免疫球蛋白和换血疗法的作用

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Abstract

Neonatal liver failure (NLF) is a rare diagnosis but carries with it significant risks of mortality and morbidity. Common etiologies for NLF include metabolic causes, gestational alloimmune liver disease (GALD or neonatal hemochromatosis), and viral infections. We report a case of liver failure in a premature infant with abnormal iron profile within 48 hours of birth. Lack of accepted guidelines for the initial management of severe jaundice with a high direct component in the first week after birth made treatment challenging. The infant underwent intensive phototherapy along with four exchange transfusions (ET) and two courses of intravenous immunoglobulins (IVIG). The clinical goals were to keep total bilirubin values ≤ 20 mg/dL in this premature neonate and to minimize the risk of bilirubin-induced neurologic dysfunction and decompensated liver failure. Abnormal iron studies and later magnetic resonance imaging were suggestive of GALD. Liver functions improved over time with normal neurodevelopmental assessment at 3 years of age. To conclude, in infants with NLF soon after birth, earlier consideration of IVIG/ET in the first few days may be beneficial. Larger multicenter data analyses are required to formulate treatment guidelines and indications for phototherapy, ET, and IVIG in sick neonates with NLF.

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