Quantitative Assessment of Alterations of Regional Contractility of the Left Ventricle in Patients With Ischemic Heart Disease
https://doi.org/10.18087/cardio.2018.5.10116
Abstract
Background. An important aspect of ischemic heart disease (IHD) diagnosis is the assessment of alterations of regional contractility (ARC) of the left ventricle. Speckle tracking imaging is a relatively new diagnostic method used for this purpose. Aim of this study was to identify optimal parameters of left ventricular (LV) deformation by speckle-tracking echocardiography which can differentiate quantitatively degrees of ARC of all left ventricular segments in patients with acute and chronic forms of IHD. Materials and methods. We compared parameters of LV longitudinal, radial, and circular deformation in 216 patients with IHD in dependence on the presence of ARC. Results. The most sensitive and specific indicator of ARC of LV anterior septal wall was found to be the value of longitudinal systolic deformation of the middle and apical segments (diagnostic thresholds -13.5% and 14.7%, respectively). Such indicator for LV inferior wall was value of circular systolic strain (diagnostic threshold for the basal segment -12.9%, for the middle segment -10.7%).
About the Authors
Denis A. Shvec
Orel region “Orel clinical regional hospital”
Russian Federation
Russian Federation
S. V. Povetkin
Kursk State Medical University
Russian Federation
Russian Federation
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Review
For citations:
Shvec D.A., Povetkin S.V. Quantitative Assessment of Alterations of Regional Contractility of the Left Ventricle in Patients With Ischemic Heart Disease. Kardiologiia. 2018;58(5):13-22. (In Russ.) https://doi.org/10.18087/cardio.2018.5.10116
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