Abstract
Medium-chain acyl-CoA dehydrogenase deficiency (MCADD) is the most common fatty acid oxidation disorder. Typically, undiagnosed individuals are asymptomatic until an episode of increased energy demand and fasting occurs, resulting in metabolic derangement. Phenotypic heterogeneity has been increasingly realized, with reports of both neonates and adults manifesting with life-threatening symptoms including encephalopathy, rhabdomyolysis, and cardiac failure. If diagnosed presymptomatically, outcome is favorable basically by avoidance of fasting. Early detection by newborn screening (NBS) has significantly reduced the incidence of severe adverse events including deaths. In this manuscript we focus on the natural course of the disease in both children and adults. Although NBS for MCADD has been successfully established, continuing efforts need to be made to avoid acute crises and deterioration of outcome in screened patients entering adolescence and adulthood.
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Abbreviations
- ACADM :
-
Medium-chain acyl-CoA dehydrogenase encoding gene
- CK:
-
Creatine kinase
- MCAD:
-
Medium-chain acyl-CoA dehydrogenase
- MCADD:
-
MCAD deficiency
- NBS:
-
Newborn screening
- TMS:
-
Tandem mass spectrometry
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Communicated by: Verena Peters
References to electronic databases: OMIM disorder accession number: http://www.ncbi.nlm.nih.gov/omim
HUGO gene name: http://www.genenames.org/index.html
Enzyme commission: http://www.chem.qmul.ac.uk/iubmb/enzyme/
Competing interest: None declared.
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Schatz, U.A., Ensenauer, R. The clinical manifestation of MCAD deficiency: challenges towards adulthood in the screened population. J Inherit Metab Dis 33, 513–520 (2010). https://doi.org/10.1007/s10545-010-9115-5
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DOI: https://doi.org/10.1007/s10545-010-9115-5