Transcutaneous bilirubin measurement: comparison of Respironics BiliCheck and JM-103 in a normal newborn population

Costantino Romagnoli, Enrico Zecca, Piero Catenazzi, Giovanni Barone, Antonio Alberto Zuppa
Clinical Biochemistry 2012, 45 (9): 659-62

OBJECTIVES: To compare the accuracy of BiliCheck™ (Respironics, Marietta, GA) and Konica-Minolta Air Shield JM-103 (Drager Medical Inc, Telford, PA) to evaluate total serum bilirubin (TSB).

METHODS: Prospective blinded study comparing two diagnostic devices in 630 neonates requiring TSB measurement.

RESULTS: Linear regression analysis showed a good correlation between BiliCheck™ and TSB (r=0.8212) as well as between JM-103 and TSB (r=0.8686). BiliCheck shows a tendency to underestimate TSB. The mean difference in TSB-TcB was -1.4 mg/dL for BC (-4.7/+1.8 mg/dL) and 0.3 mg/dL for JM-103 (-2.6/+3.2mg/dL). ROC analysis for TSB≥ 12 mg/dL showed area under the curve for BiliCheck™ significantly lower than those for JM-103 (p<0.0001). JM-103 resulted less time expensive than BiliCheck.

CONCLUSIONS: In spite of similar diagnostic accuracy JM-103 could be preferred for some practical advantages, but its suitability in performing universal screening for severe hyperbilirubinemia deserves further investigations.

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