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Fatty acid beta-oxidation deficiency masquerading as fulminant myocarditis
P de Lonlay-Debeney1, J C Fournet, D Bonnet
1Service de Génétique Médicale et Département de Génétique, Hôpital Necker-Enfants Malades, Paris, France.
International Journal of Cardiology
|September 18, 1998
Summary
A viral illness led to acute cardiomyopathy in a 9-month-old infant. Post-mortem analysis revealed very-long-chain acylcoenzyme A dehydrogenase deficiency, highlighting the need for metabolic screening in such cases.
Area of Science:
- Pediatric Cardiology
- Metabolic Disorders
- Genetics
Background:
- Acute cardiomyopathy in infants can be triggered by viral infections.
- Myocarditis is a serious condition requiring prompt diagnosis and management.
- Early identification of underlying metabolic causes is crucial for treatment.
Observation:
- A 9-month-old infant presented with fever and acute cardiomyopathy after a viral illness.
- The infant was diagnosed with acute myocarditis and required external hemodynamic support.
- Despite medical intervention, the infant succumbed to ventricular tachycardia.
Findings:
- Post-mortem examination identified very-long-chain acylcoenzyme A dehydrogenase (VLCAD) deficiency.
- VLCAD deficiency is an inherited metabolic disorder affecting fatty acid metabolism.
- This deficiency can lead to severe cardiac complications in infants.
Implications:
- This case underscores the importance of considering metabolic disorders in unexplained pediatric cardiomyopathy.
- Preserving tissue samples for metabolic screening is vital in cases of sudden infant death with cardiac symptoms.
- Early metabolic screening can potentially prevent severe cardiac events and improve outcomes in affected children.