Abstract
Aim of the present study is to evaluate the feasibility and reliability of an smartphone application for monitore of bilirubin levels in preterm infants. Preterm infants hospitalized in the neonatal intensive care unit with gestational age of<35 weeks were included. Exclusion criteria were parental reluctance and requirement of phototherapy in the last 12 hours. Measurements were obtained through a smartphone application (BiliScan) along with simultaneous transcutaneous device (Dräger JM 105) and venous blood biochemistry. Mean gestational age was 30.8±2.4 weeks and birth weight was 1622±566 g. Measurements were obtained at a median of 4 (1-21) days of life. Twenty-five infants (19.4%) had ABO and/or Rh incompatibility and 39 infants (30.2%) required phototherapy. None of the cases required exchange transfusion. Mean total serum bilirubin (TSB) level was 8.16±2.60 mg/dL, mean transcutaneous bilirubin (TcB) level was 8.60±2.70 mg/dL, and the mean bilirubin level measured by BiliScan was 7.26±2.68 mg/dL. For TSB and TcB measurements, the intraclass correlation coefficient (ICC) was found to be 0.915 (95% confidence interval 0.835-0.951; p<0.001) and a strong positive correlation was found between these two measurements. When TSB and BiliScan measurements were compared, ICC was found to be significant as 0.512 (95% confidence interval 0.353-0.638; p<0.001), with a moderate correlation. In this study, we evaluated the feasibility and reliability of a smartphone application for monitoring bilirubin levels in preterm infants. Although BiliScan measurements reported to display high correlation in term infants, a moderate correlation was found in the preterm infants. It is an emerging low-cost, non-invasive alternative for neonatal jaundice monitoring, however, results should be interpreted with caution in preterm infants.
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