Improved Transcutaneous Bilirubinometry: Comparison of SpectR X BiliCheck and Minolta Jaundice Meter JM-102 for Estimating Total Serum Bilirubin in a Normal Newborn Population

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Abstract
OBJECTIVE: To compare a new transcutaneous bilirubinometer, which uses multiple wavelength analysis of reflectance data (BiliCheck system), and the commonly used two-wavelength bilirubinometer (Jaundice Meter JM-102) to estimate serum bilirubin. STUDY DESIGN: Jaundiced newborn term infants (101 babies) had transcutaneous bilirubinometry (TCB) using each bilirubinometer, a determination of skin color using a skin color chart, and a total serum bilirubin determination. RESULTS: The variability of the BiliCheck system was less than the variability of the Jaundice Meter JM-102. The accuracy of the BiliCheck system was not affected by skin color, whereas the Jaundice Meter JM-102 was affected. CONCLUSION: Multiple wavelength analysis, as used in the BiliCheck system, is a significant improvement in TCB.