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- W2378890281 abstract "Objective To evaluate the characteristics and rules of left ventricular strain and twist in patients with noninfarction coronary heart disease(CHD)using 2D speckle tracking imaging(2D-STI). Methods Non-infarction coronary heart disease group(n=30)and normal group(n=30)were selected. Left ventricular two-dimensional strain,rotational angle and rotational rate of the mitral valve and apex,and left ventricular torsion angle and torsion rate were analyzed by 2D-STI.Results Compared with normal group,systolic longitudinal strain peak values in anterior septum and anterior wall of the base level and papillary muscle level,and anterior septum,anterior wall and posterior septum of the apical level were decreased in CHD group(P 0.05). Systolic circumferential strain peak values in anterior septum and anterior wall of the apex level were reduced in CHD group(P 0.05).Systolic radial strain peak values in anterior septum and anterior wall of the basal level and anterior wall of the papillary muscle level were decreased in CHD group(P 0.05). The absolute value of whole torsion angle and rate of left ventricle,and torsion angle and rate in the apex and valve ring level were lower than those in normal group. There was significant difference in whole torsion rate of left ventricle between the two groups. Conclusion The strain and torsion motion of the corresponding segments in the patients with non-infarction CHD have been affected. Left ventricular strain and torsion in patients with non-infarction CHD can be accurately evaluated using 2D-STI,which provides a valuable reference for clinical diagnosis of CHD." @default.
- W2378890281 created "2016-06-24" @default.
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- W2378890281 date "2014-01-01" @default.
- W2378890281 modified "2023-09-23" @default.
- W2378890281 title "Assessment of left ventricular twist and strain in patients with non-infarction coronary heart disease using speckle tracking imaging" @default.
- W2378890281 hasPublicationYear "2014" @default.
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