[Comparative evaluation of left ventricular function by two-dimensional echocardiography and three-dimensional

Anita Kalapos1, Péter Domsik, Tamás Forster

  • 1Szegedi Tudományegyetem, Általános Orvostudományi Kar, Szent-Györgyi Albert Klinikai Központ II. Belgyógyászati Klinika és Kardiológiai Központ Szeged Korányi fasor 6. 6720.

Orvosi Hetilap
|August 20, 2013
PubMed

Insights

Left ventricular dysfunction is severe in noncompaction cardiomyopathy patients. Three-dimensional speckle-tracking echocardiography revealed reduced strain and absent left ventricular twist, indicating impaired contractility.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Echocardiography

Background:

  • Noncompaction cardiomyopathy is characterized by incomplete myocardial compaction, leading to impaired left ventricular function.
  • Understanding the extent of left ventricular dysfunction is crucial for managing noncompaction cardiomyopathy.

Purpose of the Study:

  • To comparatively evaluate left ventricular dysfunction in noncompaction cardiomyopathy patients.
  • To assess the utility of 2D echocardiography and 3D speckle-tracking echocardiography in characterizing left ventricular dysfunction.

Main Methods:

  • Study included 7 patients with noncompaction cardiomyopathy and 10 healthy controls.
  • Both groups underwent 2D echocardiography and 3D speckle-tracking echocardiography.
  • Left ventricular volumes, ejection fraction, strain, and rotation parameters were analyzed.

Main Results:

  • Noncompaction cardiomyopathy patients exhibited increased LV volumes and reduced ejection fraction compared to controls.
  • All 3D speckle-tracking echocardiography-derived strain parameters were significantly reduced in patients.
  • Patients showed 'rigid body rotation' with apical and basal segments moving in the same direction, indicating absent left ventricular twist.

Conclusions:

  • Left ventricular function and contractility are severely compromised in noncompaction cardiomyopathy.
  • 3D speckle-tracking echocardiography effectively demonstrates reduced strain and the absence of left ventricular twist in these patients.
Abstract

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