Evaluation of Factors Affecting the PhototherapeuticProperties of Commonly Used Phototherapy Unitsfor Treatment of Neonatal Hyperbillirubinemia inIndia”: A Descriptive Cross Sectional Study by Santosh Kumar K in PAPN - Lupine Publiahers
The peak spectral wavelength of all the devices tested had a peak centering around 450±10 nm, in billirubin absorption spectrum. LEDs achieved a higher maximum irradiance compared to CFL units across all the heights tested. CFL and Array LEDs showed a better mean irradiance compared to Spot/Multispot LEDs. CFL and Array LEDs demonstrated the best footprint whereas the Spot and Multispot LED units had a narrow footprint (approximately half or less of CFL or Array LEDs).Tilt angles influenced the mean irradiance. Most of the units showed a decrease in mean irradiance with tilting except for one Array LED namely Brilliance Classic. CFLs showed an inconsistent mean irradiance when tested at different voltage inputs LEDs had a consistent irradiance in spite of voltage fluctuations. LEDs had minimal irradiance decay of irradiance compared to CFLs. Both CFL and LED units showed increasing temperature output over time, which is more pronounced in CFL units - Lupine Publishers.
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