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1.
J. inborn errors metab. screen ; 12: e20230012, 2024. tab
Article Dans Anglais | LILACS-Express | LILACS | ID: biblio-1558297

Résumé

Abstract Medium chain acyl-coA dehydrogenase deficiency (MCADD), the most common fatty acid oxidation disorder, has been regarded as a relatively benign condition with low risk of mortality in patients with a known diagnosis, if adequate caloric intake is met. However, inadequate energy provision, as occurs in eating disorders, significantly amplifies the risk of metabolic decompensation. This case series describes four patients with MCADD and a concomitant eating disorder and aims to raise awareness of the potentially under-recognised coexistence of these conditions. All patients were female with signs of disordered eating in adolescence and young adulthood though latency in diagnosis was apparent. Three of the patients had low body mass index (BMI) and the other was overweight. Metabolic decompensation and hospitalisation occurred in three of four patients secondary to extreme risk-taking behaviour with caloric restriction. The coexistence of MCADD and eating disorders is of significant concern, placing the patient at substantial risk of decompensation in an otherwise relatively stable metabolic condition. Awareness of disordered eating in this population is paramount, as early recognition of signs and symptoms of eating disorders in the MCADD population may facilitate prompt intervention and avoidance of morbidity and potential mortality.

2.
Chinese Journal of Practical Pediatrics ; (12): 22-25, 2019.
Article Dans Chinois | WPRIM | ID: wpr-817819

Résumé

Medium chain acyl CoA dehydrogenase deficiency is a mitochondrial fatty acid oxidative deficiency disease. It has various clinical manifestations,such as hypoglycemia,lethargy,myasthenia,etc. Different clinical manifestations and atypical biochemical examination can increase the difficulty of diagnosis,which is more likely to result in misdiagnosis. If it is not treated in time,mortality and the rate of sequelae are high,but if confirmed by neonatal screening and treated in time,satisfactory results can be obtained.

3.
The Korean Journal of Laboratory Medicine ; : 54-60, 2011.
Article Dans Anglais | WPRIM | ID: wpr-30860

Résumé

Medium-chain acyl-CoA dehydrogenase deficiency (MCADD) is an autosomal recessive hereditary metabolic disorder of mitochondrial fatty acid beta-oxidation. It is characterized by hypoketotic hypoglycemia, hyperammonemia, seizure, coma, and sudden infant death syndrome-like illness. The most frequently isolated mutation in the acyl-CoA dehydrogenase, medium-chain (ACADM) gene of Caucasian patients with MCADD is c.985A>G, but ethnic variations exist in the frequency of this mutation. Here, we describe 2 Korean pediatric cases of MCADD, which was detected during newborn screening by tandem mass spectrometry and confirmed by molecular analysis. The levels of medium-chain acylcarnitines, including octanoylcarnitine (C8), hexanoylcarnitine (C6), and decanoylcarnitine (C10), were typically elevated. Molecular studies revealed that Patient 1 was a compound heterozygote for c.449_452delCTGA (p.Thr150ArgfsX4) and c.461T>G (p.L154W) mutations, and Patient 2 was a compound heterozygote for c.449_452delCTGA (p.Thr150ArgfsX4) and c.1189T>A (p.Y397N) mutations. We detected asymptomatic patients with MCADD by using a newborn screening test and confirmed it by ACADM mutation analysis. This report presents evidence of the biochemical and molecular features of MCADD in Korean patients and, to the best of our knowledge, this is the first report of the c.461T>G mutation in the ACADM gene.


Sujets)
Femelle , Humains , Nouveau-né , Mâle , Acyl-CoA dehydrogenase/composition chimique , Asiatiques/génétique , Séquence nucléotidique , Marqueurs biologiques/sang , Carnitine/analogues et dérivés , Analyse de mutations d'ADN , Exons , Délétion de gène , Hétérozygote , Erreurs innées du métabolisme lipidique/diagnostic , Mutation , Dépistage néonatal , République de Corée , Spectrométrie de masse en tandem
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