Key result
Three-dimensional speckle-tracking echocardiography was utilized to evaluate left ventricular rigid body rotation in a patient with left ventricular noncompaction.
Why the study?
Can three-dimensional speckle-tracking echocardiography identify left ventricular rigid body rotation in a patient with noncompaction of the left ventricle?
Case Report (n=1)
Can three-dimensional speckle-tracking echocardiography identify left ventricular rigid body rotation in a patient with noncompaction of the left ventricle?
Three-dimensional speckle-tracking echocardiography is an effective imaging modality for identifying abnormal left ventricular rotation mechanics, such as rigid body rotation, in patients with left ventricular noncompaction.
Highlights potential of 3D speckle-tracking for LV mechanics in noncompaction; hypothesis-generating, requires validation before wider use.
Noncompaction of the left ventricular myocardium (LVNC) is a new clinical entity firstly described by Engberding and Bender in 1984. LVNC is characterized by the presence of numerous prominent trabeculations and deep intertrabecular recesses within the left ventricle. Recently, it has been demonstrated by two-dimensional (2D) speckle-tracking echocardiography (STE), that left ventricular (LV) basal and LV apical rotations are in the same direction resulting in the near absence of LV twist in LVNC patients, which was called as "LV solid/rigid body rotation." Three-dimensional (3D)-STE has just been introduced, and found to be an accurate method for the evaluation of LV rotation mechanics. The aim of this report was to confirm LV "rigid body rotation" in an LVNC patient by 3D-STE.
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Nemes et al. (2012) conducted a case report in Noncompaction of the left ventricular myocardium (LVNC) (n=1). Three-dimensional speckle-tracking echocardiography (3D-STE) was evaluated on Left ventricular rigid body rotation. Three-dimensional speckle-tracking echocardiography was utilized to evaluate left ventricular rigid body rotation in a patient with left ventricular noncompaction.
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