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Increased serum total bilirubin-albumin ratio was associated with bilirubin encephalopathy in neonates

Yan Wang1,2, Guangyao Sheng1, Lina Shi1

  • 1Department of Pediatrics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China.

Bioscience Reports
|January 18, 2020
PubMed

Insights

The total bilirubin-albumin ratio is a significant predictor of bilirubin encephalopathy in newborns. Higher ratios indicate an increased risk, highlighting its potential role in early diagnosis and intervention for this serious condition.

Area of Science:

  • Neonatal Medicine
  • Pediatric Neurology
  • Clinical Biochemistry

Background:

  • Bilirubin encephalopathy (kernicterus) is a preventable neurological disorder in newborns.
  • Early identification of neonates at risk is crucial for timely intervention.
  • The role of the total bilirubin-albumin ratio in predicting bilirubin encephalopathy requires further clarification.

Purpose of the Study:

  • To investigate the epidemiological characteristics of bilirubin encephalopathy.
  • To assess the association between the total bilirubin-albumin ratio and the occurrence of bilirubin encephalopathy in neonates.

Main Methods:

  • Retrospective collection of clinical data from 669 neonates with hyperbilirubinemia.
  • Comparison of demographic and laboratory data between neonates with and without bilirubin encephalopathy.
  • Univariate and multivariate regression analyses to determine the predictive value of the total bilirubin-albumin ratio.

Main Results:

  • Neonates with bilirubin encephalopathy had significantly higher total bilirubin-albumin ratios (13.8 vs. 10.6, P=0.000).
  • Higher levels of direct and indirect bilirubin and lower hemoglobin levels were observed in the case group.
  • The total bilirubin-albumin ratio was independently associated with bilirubin encephalopathy (OR=1.23), increasing risk by 23%.

Conclusions:

  • The total bilirubin-albumin ratio is a significant predictor of bilirubin encephalopathy in neonates.
  • This ratio, along with total, direct, and indirect bilirubin levels, can aid in identifying high-risk infants.
  • Further research can explore incorporating this ratio into clinical guidelines for managing neonatal hyperbilirubinemia.

Keywords:
bilirubin encephalopathybilirubin-albumin ratiototal bilirubin

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