Abstract

Objective To evaluate peak left ventricular(LV) apical rotation velocity during early diastole by speckle tracking echocardiography in normal peopleand patients with myocardial hypertrophy because of hypertension. Methods Two dimensional images of left basal and apical ventricular short axis view were recorded in 20 healthy people and 20 patients with hypertension and left ventricular hypertrophy(LVH). Rotation velocity-time curves of six segments in LV apex and base were obtained using Qlab software. The peak rotation velocity in early diastole of LV apex(A-Vel) and base (B-Vel) were acquired through Excel software. Results In LVH group,A-Vel was significantly decreased(P<0. 05) while B-Vel appeared no difference (P = 0.58) compared with healthy individuals. Conclusions Peak LV apical rotation velocity in early diastole can evaluate the change of LV diastolic function in patients with hypertension and LVH. Key words: Echocardiography; Hypertension; Ventricular function; left ; Speckle tracking imaging

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