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Related Experiment Video

Updated: Jul 8, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

Newborn screening.

Bridget Wilcken1, Veronica Wiley

  • 1The Children's Hospital, Westmead, Australia. Bridgetw@chw.edu.au

Pathology
|January 19, 2008
PubMed
Summary

Newborn screening detects serious, treatable infant disorders early. Advances in tandem mass spectrometry and DNA analysis expand screening possibilities for numerous conditions.

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Area of Science:

  • Biochemistry
  • Genetics
  • Public Health

Background:

  • Newborn screening identifies serious, treatable infant disorders to enable timely interventions and prevent adverse outcomes.
  • Mass biochemical testing began in the 1960s with phenylketonuria (PKU) screening, later including congenital hypothyroidism and other rare conditions.
  • Dried blood spot analysis presents unique analytical challenges, including sample variability and the need for specific calibrators and controls.

Purpose of the Study:

  • To review the evolution and current state of newborn screening programs.
  • To highlight the impact of technological advancements, particularly tandem mass spectrometry and DNA analysis, on expanding screening capabilities.
  • To discuss the analytical considerations and challenges in dried blood spot testing for newborn screening.

Main Methods:

  • Review of historical development and current practices in newborn screening.
  • Discussion of analytical methodologies, including tandem mass spectrometry and DNA analysis from dried blood spots.
  • Examination of challenges in assay development, including sensitivity, specificity, and cut-off point determination.

Main Results:

  • Tandem mass spectrometry and DNA analysis have significantly expanded the scope of detectable disorders, with programs screening for at least 30 conditions.
  • Key screened disorders include phenylketonuria, congenital hypothyroidism, cystic fibrosis, galactosaemias, and various metabolic disorders.
  • Studies are establishing the benefits of tandem mass spectrometry for metabolic disorder screening, with ongoing research into novel treatments and preventive strategies.

Conclusions:

  • Technological advancements are revolutionizing newborn screening, offering unlimited future possibilities.
  • Balancing assay sensitivity and specificity is crucial for effective screening programs.
  • The future of newborn screening is driven by new treatments, advanced technologies, and evolving preventive strategies.

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Last Updated: Jul 8, 2026

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