| 等容收缩期心肌加速度评价心室收缩功能的研究进展 |
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| 引用本文： | 苗丽,邓万俊. 等容收缩期心肌加速度评价心室收缩功能的研究进展[J]. 心血管病学进展, 2009, 30(5): 849-852 |
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| 作者姓名： | 苗丽 邓万俊 |
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| 作者单位： | 1. 潍坊医学院附属文登中心医院心内科,山东,文登,264400
2. 南华大学附属南华医院心内科,湖南,衡阳,421002 |
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| 摘 要： | 组织多普勒显像获得的等容收缩期心肌加速度是一个敏感的心室收缩功能指标,相对不依赖生理范围内前、后负荷改变。等容收缩期心肌加速度与有创方法获得的最大心室压力变化速率（心室内压力变化的最大速率）及射血分数密切相关。等容收缩期心肌加速度是无创评价各种先天性及获得性心脏病患者左、右心室整体或局部收缩功能的有用工具。
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| 关 键 词： | 组织多普勒显像 等容收缩期心肌加速度 心功能 |
Advances in Evaluation of Ventricular Contraction Function Using Myocardial Acceleration During Isovolumic Contraction |
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| MIAO Li,DENG Wan-jun. Advances in Evaluation of Ventricular Contraction Function Using Myocardial Acceleration During Isovolumic Contraction[J]. Advances in Cardiovascular Diseases, 2009, 30(5): 849-852 |
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| Authors: | MIAO Li DENG Wan-jun |
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| Affiliation: | MIAO Li, DENG Wan-jun ( 1. Department of Cardiology, The Affiliated Wendeng Central Hospital of Weifang Medical College, Wendeng 264400, China; 2. De- partment of Cardiology, The Affiliated Nanhua Hospital of Nanhua University, Hengyang 421002, China ) |
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| Abstract: | Myocardial acceleration during isovolumic contraction（IVA） obtained by tissue Doppler imaging（TDI） is a sensitive and relatively independent index of preload and afterload of ventricular contractile function.It correlates well with maximum dp/dt（dp/dtmax） and ejection-fraction obtained with invasive measurements.IVA is a useful noninvasive tool to assess global and regional left and right ventricular contractile function in patients with congenital and acquired heart disease. |
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| Keywords: | tissue Doppler imaging isovolumic acceleration during isovolumic contraction cardiac function |
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