Abstract
Objective:
We investigate whether double phototherapy reduces total serum bilirubin concentration faster than single light during intensive phototherapy with high levels of irradiance using light-emitting diodes.
Study Design:
Eighty-three infants with gestational age ⩾33 weeks and uncomplicated hyperbilirubinemia were randomized to either double (n=41) or single phototherapy (n=42) for 24 h. The mean irradiance was 64.8 μW cm−2 nm−1 from above and 39 μW cm−2 nm−1 from below.
Results:
The percentage decreases of total serum bilirubin after 12 h of double vs single phototherapy were (mean (95% confidence interval (CI))) 39% (37 to 42) vs 30% (27 to 32), respectively (P<0.001). After 24 h, the decreases were 58% (56 to 61) vs 47% (44 to 50), respectively (P<0.001). The results were still significant after adjustment for confounding. The only side effect was loose stools.
Conclusion:
Even with intensive phototherapy increasing spectral power by increasing the irradiated body surface area, the efficacy of phototherapy is improved.
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Donneborg, M., Vandborg, P., Hansen, B. et al. Double versus single intensive phototherapy with LEDs in treatment of neonatal hyperbilirubinemia. J Perinatol 38, 154–158 (2018). https://doi.org/10.1038/jp.2017.167
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DOI: https://doi.org/10.1038/jp.2017.167
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