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Cardiac MRI in a patient with coincident left ventricular non-compaction and hypertrophic cardiomyopathy

Zahra Alizadeh-Sani1, Shabnam Madadi, Anita Sadeghpour

  • 1Shaheed Rajaei Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.

The Journal of Tehran Heart Center
|October 18, 2012
PubMed

Insights

Left ventricular non-compaction cardiomyopathy is a rare congenital heart condition. Echocardiography and cardiac MRI are key diagnostic tools, with biopsy revealing hypertrophy and fibrosis in this case.

Area of Science:

  • Cardiology
  • Genetics
  • Pathology

Background:

  • Left ventricular non-compaction cardiomyopathy (LVNC) is a rare congenital cardiomyopathy affecting all ages.
  • Diagnosis relies heavily on echocardiography due to insufficient clinical manifestations.
  • Echocardiography identifies ventricular non-compaction and prognostic factors.

Observation:

  • A 47-year-old woman with prior dilated cardiomyopathy of unknown cause presented with symptoms.
  • Echocardiography revealed mild left ventricular enlargement and severe systolic dysfunction (EF 20-25%).
  • Cardiac MRI suggested non-compaction left ventricle with hypertrophic cardiomyopathy.

Findings:

  • Right ventricular endomyocardial biopsy was performed.
  • Biopsy showed moderate cardiac myocyte hypertrophy and foci of myocytolysis.
  • Moderate interstitial fibrosis was present, with no infiltrative deposition.

Implications:

  • This case highlights the diagnostic utility of combined imaging modalities (echocardiography, MRI) in LVNC.
  • Endomyocardial biopsy provides crucial histopathological details for diagnosis and understanding disease mechanisms.
  • Further research is needed to elucidate the etiology and refine management strategies for LVNC.

Keywords:
CardiomyopathiesHeart defect, congenitalMagnetic resonance imaging

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