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Left Ventricle Noncompaction Phenotype: Cause or Consequence?

Grazia Casavecchia1, Matteo Gravina1, Francesco Mautone1

  • 1Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy.

Journal of Cardiovascular Echography
|May 31, 2024
PubMed

Insights

Left ventricular noncompaction (LVNC) is a congenital heart condition. Speckle tracking echocardiography may help distinguish LVNC cardiomyopathy from LVNC due to severe remodeling in patients with heart failure.

Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Left ventricular noncompaction (LVNC) is a congenital cardiomyopathy defined by prominent myocardial trabeculae and deep intertrabecular recesses.
  • Clinical manifestations of LVNC range from asymptomatic cases to severe heart failure and complications.

Observation:

  • Diagnosis typically relies on two-dimensional transthoracic echocardiography or cardiac magnetic resonance imaging.
  • Strain parameters, though often reduced in LVNC, are not routinely assessed.

Findings:

  • A case report details a previously asymptomatic patient presenting with pulmonary edema, severe valvular heart disease, and left ventricular trabeculation.
  • Speckle tracking echocardiography (STE) revealed only mild strain reduction despite significant left ventricular remodeling.

Implications:

  • This suggests STE may be a valuable tool for differentiating true LVNC cardiomyopathy from an LVNC phenotype secondary to severe cardiac remodeling.
  • Further research into STE's utility in LVNC diagnosis and characterization is warranted.

Keywords:
Athletescardiomyopathyechocardiographyheart failureleft ventricular noncompactionpregnancyremodelingspeckle trackingstrainvalvulopathyventricular dysfunction

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