Fetal fatty acid oxidation disorders, their effect on maternal health and neonatal outcome: Impact of expanded newborn screening on their diagnosis and management

被引:63
作者
Shekhawat, PS
Matern, D
Strauss, AW
机构
[1] Med Coll Georgia, Dept Pediat, Sect Neonatol, Augusta, GA 30912 USA
[2] Mayo Clin & Mayo Fdn, Coll Med, Dept Lab Med, Rochester, MN 55905 USA
[3] Mayo Clin & Mayo Fdn, Coll Med, Dept Pathol, Rochester, MN 55905 USA
[4] Mayo Clin & Mayo Fdn, Coll Med, Dept Pediat & Adolescent Med, Rochester, MN 55905 USA
[5] Vanderbilt Univ, Dept Pediat, Nashville, TN 37232 USA
[6] Vanderbilt Univ, Vanderbilt Childrens Hosp, Nashville, TN 37232 USA
关键词
D O I
10.1203/01.PDR.0000159631.63843.3E
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
Mitochondrial fatty acid oxidation disorders (FAOD) are recessively inherited errors of metabolism. Newborns with FAOD typically present with hypoketotic hypoglycemia, metabolic acidosis, hepatic failure, and cardiomyopathy. Late presentations include episodic myopathy, neuropathy, retinopathy, and arrhythmias. Sudden unexpected death can occur at any age and can be confused with sudden infant death syndrome. Some FAOD are associated with intrauterine growth restriction, prematurity, and pregnancy complications in the heterozygous mother, such as severe preeclampsia, acute fatty liver of pregnancy (AFLP), or hemolysis, elevated liver enzymes, and low platelets (HELLP) syndrome. Maternal pregnancy complications occur primarily in mothers carrying a fetus with long-chain L-3-hydroxyacyl CoA dehydrogenase deficiency or general trifunctional protein deficiencies. FAOD as a group represent the most common inborn errors of metabolism, and presymptomatic diagnosis of FAOD is the key to reduce morbidity and avoid mortality. The application of tandem mass spectrometry to newborn screening provides an effective means to identify most FAOD patients presymptomatically. At the beginning of 2005, 36 state newborn screening programs have mandated or adopted this technology resulting in a marked increase in the number of asymptomatic neonates with FAOD diagnosed. To ensure the long-term benefits of such screening programs, pediatricians and other health care providers must be educated about these disorders and their treatment.
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页码:78R / 86R
页数:9
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