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Transcutaneous bilirubinometry in preterm infants.
1University of Leipzig, Children's Hospital, Department of Neonatology, Germany. knuem@medizin.uni-leipzig.de
Acta Paediatrica (Oslo, Norway : 1992)
|September 1, 2001
Summary
Transcutaneous bilirubinometry using BiliCheck offers a non-invasive method for preterm infants. However, accuracy is limited in infants under 30 weeks gestation or those receiving phototherapy and ventilation.
Area of Science:
- Neonatal Medicine
- Medical Devices
- Clinical Diagnostics
Background:
- Neonatal jaundice is a common condition requiring monitoring.
- Accurate bilirubin measurement is crucial for timely intervention in preterm infants.
- Transcutaneous bilirubinometry offers a non-invasive alternative to traditional blood sampling.
Purpose of the Study:
- To evaluate the accuracy and safety of the BiliCheck bilirubin analyzer.
- To assess the reliability of transcutaneous bilirubin measurements in preterm infants.
Main Methods:
- A study involving 145 preterm infants (23-36 weeks gestation).
- Paired transcutaneous bilirubin (BTc) and serum bilirubin (BS) measurements were taken daily until day six.
- Correlation analysis was performed with clinical data including phototherapy and breathing disturbances.
Main Results:
- Mean BTc values were significantly higher than BS values.
- Overall correlation coefficient (r) between BS and BTc was 0.64, improving to 0.73 in infants without phototherapy.
- Inaccuracy increased with lower gestational age and more severe breathing disturbances.
Conclusions:
- BiliCheck is a convenient, non-invasive tool for bilirubin estimation in preterm neonates.
- Reliable results are obtained in infants over 30 weeks gestation without phototherapy or artificial ventilation.
- Clinical factors like gestational age and respiratory status impact measurement accuracy.