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Abstract
In this study we aimed to determine whether transcutaneous bilirubin (TcB) from covered skin (TcB-C) before , during and after discontinuing photothrapy is reliable in evaluation and follow up of neonatal jaundice , to compare transcutaneous bilirubin (TcB) measurements in covered (TcB-C) and transcutaneous bilirubin (TcB) from exposed skin (TcB-E) with serum bilirubin level before, during and after phototherapy and to study the effect of bilirubin level, phototherapy type and period on difference between serum bilirubin, covered and exposed transcutaneous bilirubin readings. Methods: We conducted this prospective analytic study on 524 Neonates (256 males & 268 females) with neonatal jaundice necessitating phototherapy , admitted at Neonatology Department, Cairo University Children Hospital, during the study period from March 2014 to October 2015 and meet the inclusion criteria. Results: TcB-C is reliable and close to serum in all measures. TcB-E is close to serum bilirubin before and 6 hours after stop of phototherapy but different from serum during phototherapy only. Conclusion: from this study we conclude that (TcB-C) is a reliable method while (TcB-E) is not a reliable method for monitoring the degree of hyperbilirubinemia in newborns as in predicting the level of bilirubin , follow up and management of neonatal hyperbilirubinemia during exposure to phototherapy and transcutaneous bilirubin whether covered or exposed is a good tool to evaluate the neonatal hyperbilirubinemia before starting the phototherapy and 6 hours after stop the phototherapy