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Diagnosing left ventricular noncompaction by echocardiography and cardiac magnetic resonance imaging and its

Claudia Stöllberger1, Wolfgang Kopsa, Robert Tscherney

  • 1Second Medical Department, Rudolfstiftung Hospital, Vienna, Austria. claudia.stollberger@chello.at

Clinical Cardiology
|August 30, 2008
PubMed

Insights

Cardiac magnetic resonance imaging (CMRI) diagnosed left ventricular hypertrabeculation (LVHT) in only 47% of cases when using echocardiographic criteria. LV size, function, and extent of LVHT are crucial for CMRI diagnosis.

Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Left ventricular hypertrabeculation (LVHT), also known as noncompaction LVHT, is a cardiac condition.
  • LVHT is often associated with neuromuscular disorders (NMD).
  • Diagnosis is typically made using echocardiography or cardiac magnetic resonance imaging (CMRI).

Purpose of the Study:

  • To evaluate the diagnostic capability of CMRI for LVHT using established echocardiographic definitions.
  • To determine if CMRI can reliably diagnose LVHT based on criteria derived from echocardiography.

Main Methods:

  • Re-evaluation of CMRI images from 19 patients previously diagnosed with LVHT via echocardiography.
  • Application of echocardiographic diagnostic criteria to CMRI data.

Main Results:

  • CMRI diagnosed LVHT in 9 out of 19 patients (47%) based on echocardiographic criteria.
  • Patients diagnosed with LVHT by CMRI were more frequently female and experienced heart failure.
  • CMRI-diagnosed LVHT cases showed larger LV end-diastolic diameter and reduced LV fractional shortening.

Conclusions:

  • Echocardiographic definitions for LVHT are only partially effective when applied to CMRI.
  • Accurate CMRI diagnosis of LVHT requires consideration of left ventricular size, function, and the extent of hypertrabeculation.
Abstract

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