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12193523
A comparison of transcutaneous bilirubinometers: SpectRx BiliCheck versus Minolta AirShields.

Arch Dis Child Fetal Neonatal Ed, 2002/9;87(2):F137-40.

Wong CM[1], van Dijk PJ, Laing IA

Affiliations

PMID: 12193523

Impact factor: 6.643

Abstract
background: Two devices are available for making transcutaneous estimates of serum bilirubin (SBR): the Minolta AirShields JM102 and the new SpectRx BiliCheck.
objectives: (a) To measure how well the readings produced by these devices agree with SBR measured in the laboratory; (b) to estimate for each device, the proportion of infants with clinical jaundice who would require blood sampling if the device was used as a screening tool to detect infants with SBR > or = 250 micromol/l.
design: Prospective cohort study of jaundiced infants who required SBR at < or = 20 days of postnatal age. Those who had received phototherapy or exchange transfusion were excluded.
setting: Tertiary neonatal service in South-East Scotland.
interventions: Within 30 minutes of SBR sampling, transcutaneous bilirubinometry was performed using one Minolta and two SpectRx devices (designated A and B).
results: Sixty-four neonates were enrolled, 19 of which were preterm (31-35 weeks). The 95% confidence intervals of a device reading corresponding to SBR were +/- 66.7, +/- 67.9, and +/- 66.4 micromol/l respectively. Using the devices to identify all SBR > or = 250 micromol/l would reduce SBR sampling by 23%, 16%, and 20% respectively.
conclusions: Given that SBR levels range from 50 to 400 micromol/l in jaundiced infants, the 95% confidence intervals of the devices are wide at +/- 67 micromol/l. The SpectRx can be used as a screening tool for hyperbilirubinaemia but there is no advantage in using it over the Minolta.
MeSH terms
Bilirubin; Cohort Studies; Diagnostic Equipment; Humans; Hyperbilirubinemia; Infant; Infant, Newborn; Infant, Premature, Diseases; Jaundice; Neonatal Screening; Prospective Studies; Sensitivity and Specificity
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