Newborn blood spot screening: to expand or not to expand? - Revista Brasileira de Enfermagem
Revista Brasileira de Enfermagem. 01/01/2015;68(5):771-772
«The principal constraint on what we can detect in newborn screening is fast becoming what we choose to detect: rather than what is limited for us by technical feasibility or cost»().
Technological advances are providing the medical world an opportunity to extend the number of conditions newborn babies are screened for. Tandem mass spectrometry (TMS, also known as MS-MS) is allowing the possibility to screen for a range of disorders on a large scale. TMS is a reliable technique that allows small molecules in samples of serum or whole blood to be measured in a single step. Therefore, from the few drops of blood on a newborn bloodspot, over 50 conditions can be tested. Indeed, expanding the number of conditions a newborn is screened for using TMS is rapid, accurate and cheap. However there are two sides the argument and there are harms that can occur from the expansion, including an increase in false positive cases, overdiagnosis and overtreatment.
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"The principal constraint on what we can detect in newborn screening is fast becoming what we choose to detect: rather than what is limited for us by technical feasibility or cost"().
Technological advances are providing the medical world an opportunity to extend the number of conditions newborn babies are screened for. Tandem mass spectrometry (TMS, also known as MS-MS) is allowing the possibility to screen for a range of disorders on a large scale. TMS is a reliable technique that allows small molecules in samples of serum or whole blood to be measured in a single step. Therefore, from the few drops of blood on a newborn bloodspot, over 50 conditions can be tested. Indeed, expanding the number of conditions a newborn is screened for using TMS is rapid, accurate and cheap. However there are two sides the argument and there are harms that can occur from the expansion, including an increase in false positive cases, overdiagnosis and overtreatment.
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