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Dilated cardiomyopathy: an unusual presentation of aortic coarctation in an infant

Mao-Sheng Hwang1, Jaw-Ji Chu, Yu-Sheng Chang

  • 1Department of Pediatrics, Chang Gung Children's Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan.

Cardiology
|April 14, 2006
PubMed

Insights

Coarctation of the aorta in infants can mimic dilated cardiomyopathy. Surgical repair led to complete recovery, highlighting the need to rule out specific causes before diagnosing idiopathic cardiomyopathy.

Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Surgery
  • Medical Diagnostics

Background:

  • Coarctation of the aorta typically presents in infancy with heart failure or in childhood with hypertension.
  • Dilated cardiomyopathy is often diagnosed as idiopathic, meaning the cause is unknown.

Observation:

  • A unique case of isolated coarctation of the aorta in an infant presented with acute decompensated dilated cardiomyopathy.
  • This presentation is previously unreported for coarctation of the aorta in infancy.

Findings:

  • The infant's condition significantly improved following surgical repair of the coarctation.
  • Complete recovery from dilated cardiomyopathy was observed 8 months after surgery.

Implications:

  • Coarctation of the aorta should be considered in the differential diagnosis of infantile dilated cardiomyopathy.
  • Excluding specific, treatable causes like coarctation is crucial before diagnosing idiopathic dilated cardiomyopathy, as early intervention can lead to favorable outcomes.

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