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学科主题临床医学
Assessment of Left Ventricular Radial Deformation by Speckle Tracking Imaging
Pan, Min1; Luo, Hao2; Muhammad, Ashraf3; Judy, Schultheis3; Li, Xiaokui3; Sahn, David J.3
关键词Echocardiography Speckle Tracking Imaging Strain Radial
刊名JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY-MEDICAL SCIENCES
2009-10-01
DOI10.1007/s11596-009-0527-0
29期:5页:669-672
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Biochemistry & Molecular Biology
研究领域[WOS]Biochemistry & Molecular Biology
关键词[WOS]CARDIAC RESYNCHRONIZATION THERAPY ; STRAIN-RATE ; HYPERTROPHIC CARDIOMYOPATHY ; ECHOCARDIOGRAPHIC IMAGES ; MYOCARDIAL STRAIN ; TISSUE ; DYSSYNCHRONY ; MUSCLE ; WALL
英文摘要

The left ventricular radial strain in the inner and outer layers was evaluated by using two-dimensional speckle tracking imaging (2DS). Twenty-five piglets were studied. The short axis views were acquired. Peak systolic radial strain was measured from 6 circumferential points related to 6 standard segments in the inner and outer layers respectively using 2DS methods. The peak positive first derivative (dp/dt) of left ventricular pressure was compared to the radial strain from 2DS. The inner band showed higher peak radial strain values as compared to the outer band at all of the segments (P<0.0001), but the differences had significance just in anteroseptal, posterior, inferior and septal segments (P<0.05). Good correlation could be found between radial strain of inner and outer layers and peak dp/dt (P<0.001). These preliminary results showed that the degree of local deformation or wall thickening of the ventricular wall in its inner layer was more obvious than its outer layer. It is suggested that the 2DS technique is useful and sensitive for better understanding the regional and global myocardial motion and its relationship to the complex architecture of myocardium.

语种英语
WOS记录号WOS:000270681700027
引用统计
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/57912
专题北京大学深圳医院_超声影像科
作者单位1.Peking Univ, Shenzhen Hosp, Dept Ultrasound, Shenzhen 518036, Peoples R China
2.Huazhong Univ Sci & Technol, Tongji Med Coll, Wuhan 430030, Peoples R China
3.Oregon Hlth & Sci Univ, Cardiac Fluid Dynam & Imaging Lab, Portland, OR 97201 USA
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Pan, Min,Luo, Hao,Muhammad, Ashraf,et al. Assessment of Left Ventricular Radial Deformation by Speckle Tracking Imaging[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY-MEDICAL SCIENCES,2009,29(5):669-672.
APA Pan, Min,Luo, Hao,Muhammad, Ashraf,Judy, Schultheis,Li, Xiaokui,&Sahn, David J..(2009).Assessment of Left Ventricular Radial Deformation by Speckle Tracking Imaging.JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY-MEDICAL SCIENCES,29(5),669-672.
MLA Pan, Min,et al."Assessment of Left Ventricular Radial Deformation by Speckle Tracking Imaging".JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY-MEDICAL SCIENCES 29.5(2009):669-672.
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