Differential Diagnosis of Conjugated Hyperbilirubinemia in Infancy (Literature Review)

Author:

Gudkov Roman A.1ORCID,Dmitriyev Andrey V.1ORCID,Fedina Natal'ya V.1ORCID,Petrova Valeriya I.1ORCID,Teryokhina Tat'yana A.1ORCID,Sologub Alina E.1ORCID

Affiliation:

1. Ryazan State Medical University

Abstract

INTRODUCTION: Conjugated hyperbilirubinemia in newborns may evidence prognostically dangerous diseases. However, the variety of causes and rarity of some of them makes differential diagnosis challenging. AIM: To determine the order of diagnostic actions to exclude, first of all, the most probable causes of conjugated hyperbilirubinemia. The review presents relevant information on diseases of newborns and children, running with elevation of the serum level of conjugated bilirubin. The search was carried out in PubMed, MEDLINE, eLibrary.ru databases for 2016–2023. The issues of terminology, etiology and risk factors are briefly covered. The presented pathologies include biliary atresia and Alagille syndrome, infectious and iatrogenic hepatopathies, various forms (including the new ones) of progressive familial intrahepatic cholestasis, disorders in synthesis of the primary bile acids, α1-antitrypsin deficiency, galactosemia, tyrosinemia type 1, cystic malformations, mitochondrial diseases and some other rare diseases accompanied by conjugated hyperbilirubinemia. Brief diagnostic characteristics of the presented diseases are given. CONCLUSION: The differential diagnosis of conjugated hyperbilirubinemia in newborns and children is a complex problem requiring immediate solution by successive exclusion of the most probable diseases, first of all, biliary atresia, Alagille syndrome, infectious and iatrogenic causes.

Publisher

ECO-Vector LLC

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