Incremental Value of Two Dimensional Speckle Tracking Echocardiography in the Functional Assessment and Characterization of Subclinical Left Ventricular Dysfunction

Author(s): Prasad Gunasekaran, Sidakpal Panaich, Alexandros Briasoulis, Shaun Cardozo, Luis Afonso.

Journal Name: Current Cardiology Reviews

Volume 13 , Issue 1 , 2017

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Abstract:

Subclinical left ventricular (LV) dysfunction refers to subtle abnormalities in LV function which typically precede a reduction in the left ventricular ejection fraction (LVEF). The assessment of myocardial function using LVEF, a radial metric of systolic function, is subject to load dependence, intra-observer and inter-observer variability. Reductions in LVEF typically manifest late in the disease process thus compromising the ability to intervene before irreversible impairment of systolic performance sets in. 2-Dimensional speckle tracking echocardiography (2D-STE), a novel strain imaging modality has shown promise as a sensitive indicator of myocardial contractility. It arms the clinician with a powerful and practical tool to rapidly quantify cardiac mechanics, circumventing several inherent limitations of conventional echocardiography. This article highlights the incremental utility of 2D-STE in the detection of subclinical LV dysfunction.

Keywords: Subclinical left ventricular dysfunction, 2-dimensional speckle tracking echocardiography, Global longitudinal strain.

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Article Details

VOLUME: 13
ISSUE: 1
Year: 2017
Page: [32 - 40]
Pages: 9
DOI: 10.2174/1573403X12666160712095938
Price: $58

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