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Factors Determining ?-Bilirubin Levels in Infants With Biliary Atresia.


ABSTRACT: ?-Bilirubin (B?) forms when bilirubin conjugates covalently bind to albumin by way of nonenzymatic transesterification in patients with cholestasis. Infants with cholestasis with biliary atresia form B?. The aim of the present study was to investigate the factors determining serum B? concentrations in infants with biliary atresia.Study patients were infants enrolled in a prospective study (PROBE: Clinicaltrials.gov NCT00061828) of biliary atresia. We acquired data of concurrently measured serum bilirubin analytes (total bilirubin [TB], conjugated bilirubin [Bc], and unconjugated bilirubin) and applied graphical methods and linear mixed effects model to study factors contributing to B? variability.B? level increased with increasing levels of Bc and TB. In addition, the length of time cholestasis persisted partially determined the level of B?. An increase of 1?mg/dL in Bc is related to approximately 0.36?mg/dL increase in B? (P?

SUBMITTER: Ye W 

PROVIDER: S-EPMC4409472 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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Factors Determining δ-Bilirubin Levels in Infants With Biliary Atresia.

Ye Wen W   Rosenthal Philip P   Magee John C JC   Whitington Peter F PF  

Journal of pediatric gastroenterology and nutrition 20150501 5


<h4>Objectives</h4>δ-Bilirubin (Bδ) forms when bilirubin conjugates covalently bind to albumin by way of nonenzymatic transesterification in patients with cholestasis. Infants with cholestasis with biliary atresia form Bδ. The aim of the present study was to investigate the factors determining serum Bδ concentrations in infants with biliary atresia.<h4>Methods</h4>Study patients were infants enrolled in a prospective study (PROBE: Clinicaltrials.gov NCT00061828) of biliary atresia. We acquired d  ...[more]

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