Advancing excellence in laboratory medicine for better healthcare worldwide

Vol 18 n° 3

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eJIFCC 2007, 18 (3) Editorial


This issue of  eJIFCC  was intended to present some important topics on "Neonatal screening". The  public-health programme initiated in some countries about 30 years ago include preventive management that aims at early detection, with the use of laboratory-based  tests and clinical examination, of specific irreversible disorders in newborns in a presymptomatic phase. Newborns are screened for congenital metabolic disorders such as : phenylketonuria, hypothyroidism, cystic fibrosis but also for congenital adrenal hyperplasia and for virus and parasite infections like CMV, HIV and Toxoplasma gondii.
The incidence of congenital hypothyroidism in US increased between 1978, when the screening was initiated, and 2002 though no definitive causes were identified (Harris KB., Pass KA, Mol Genet Metab 2007, 91, 268-77). Congenital cytomegalovirus infection in  newborns is increasing in particular regions of the world. On the other hand, free access for pregnant women to advanced clinical care and appropriate preventive therapies may result in decline in perinatal transmission of virus or parasite infections.  Early detection allows effective prevention of developmental disorders in children, especially mental impairement, epilepsy, infantile cerebral palsy and hearing defects.
Screening programmes are performed in the whole newborn populations and with the continuous development of knowledge on congenital or transmitted disorders  new tests are added to the screening panel and  modern technologies such as microarrays  are introduced providing new types of informations. 
The below included articles  cover only a small but important part of  "the  newborn screening story". The  author has been encouraged by Professor Eskild Petersen from Aarhus University Hospital in Denmark to publish papers on screening of newborns for Toxoplasma gondii and for cytomegalovirus infection and by  the  editor to submit them  to eJIFCC.


Grazyna Sypniewska
eJIFCC Editor

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