Left ventricle short axis two-dimensional strain base on speckle tracking imaging infarcted myocardial deformation
- Author:
- No author available
- Journal Title:
- JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY
- Issue:
- 24
- DOI:
- 10.3321/j.issn:1000-2790.2009.24.059
- Key Word:
- 超声心动图;心肌梗死;左室短轴二维应变;左室射血分数;speckle tracking imaging imaging eehocardiography;myocardium infarction;left ventricleshort axis two-dimensional strain;left ventriclee jection fraction
Abstract： AIM:To assess the left ventricle short axis strain changes of myocardium infarction in different directions base on speckle tracking imaging(STI).METHODS:Myocardium infarction left ventricle short axis base direction and tip of heart ventricle direction Radial strain(RS),circumferential strain(CS)were detected based on STI.Accroding to the decline level of myocardium infarction left ventriclee jection fraction,the changes of RS and CS were analyzed.RESULTS:Infarcted myocardium infarcted direction RS value are lower than normal value,CS valne were higher than normal values.CONCLUSION:STI enables accurate analysis of regional systolic function by frame-by-frame tracking high intensity dots in two-dimensional echocardiographic images.
- [1]熊莉,邓又斌,申屠伟慧,等.超声斑点追踪技术对心肌梗死患者左心室扭转角度的研究[J].2007,(12).
- [2]Reisner SA,Lysyansky P,Agmon Y,etc.Global longitudinal strain: A novel index of left ventricular systolic function.[J].2004,17(6).