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Expanded newborn screening
Marsha K Fearing1, Deborah Marsden
1Children's Hospital Boston, Harvard Medical School Genetics Training Program, Boston, MA, USA.
Insights
Expanded newborn screening detects metabolic disorders in infants before symptoms appear. This approach promises to reduce disease-related deaths and improve understanding of these conditions.
Area of Science:
- Biochemistry
- Genetics
- Pediatrics
Background:
- Expanded newborn screening enables early detection of numerous inborn errors of metabolism.
- Advances in screening technology have significantly improved diagnostic capabilities for presymptomatic infants.
Purpose of the Study:
- To highlight the impact of expanded newborn screening on identifying metabolic disorders.
- To discuss the potential benefits of widespread screening implementation.
Main Methods:
- Review of current expanded newborn screening protocols.
- Analysis of diagnostic advancements in metabolic disease detection.
Main Results:
- Successful identification of presymptomatic infants with various inborn errors of metabolism.
- Demonstration of significant progress in early disease detection.
Conclusions:
- Widespread implementation of expanded newborn screening is expected to decrease mortality and morbidity.
- Screening expansion will enhance knowledge of disease frequency and phenotypic variability.
Abstract:
The advent of expanded newborn screening has resulted in huge advances in the ability to detect presymptomatic infants with a large number of inborn errors of metabolism. Widespread implementation of this type of screening will ultimately lead to reduced mortality and morbidity from these diseases and also will increase our knowledge of the frequency and phenotypic variability for each of them.
