| 速度向量成像技术评价扩张型心肌病室壁局部收缩功能 |
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| 引用本文： | 陈军红,曹铁生,段云友,袁丽君,刘禧.速度向量成像技术评价扩张型心肌病室壁局部收缩功能[J].中国医学影像技术,2006,22(12):1831-1833. |
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| 作者姓名： | 陈军红 曹铁生 段云友 袁丽君 刘禧 |
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| 作者单位： | 第四军医大学唐都医院超声科,陕西,西安,710038 |
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| 摘 要： | 目的利用速度向量成像（WI）技术评价扩张型心肌病人（DCM）短轴切面圆周方向上心肌收缩功能。方法15例DCM病人与15例正常对照组，胸骨旁左室短轴切面乳头肌水平在VVI条件下录制左室短轴二维超声心动图，脱机VVI软件分析各节段圆周方向上收缩期峰值速度（Vs）、峰值应变（ε）及峰值应变率（SRs）曲线及左室收缩后剩余面积。结果DCM各节段短轴圆周方向上Vs、ε、SRs明显低于对照组相应节段，收缩后左室剩余面积明显大于正常对照组，均有显著统计学意义。结论VVI技术可客观地反映DCM的收缩功能状态，有望成为新的无角度依赖性的无创评价局部心功能的超声新方法。
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| 关 键 词： | 速度向量成像 扩张型心肌病 应变率成像 角度依赖性 |
| 文章编号： | 1003-3289（2006）12-1831-03 |
| 收稿时间： | 2006-09-12 |
| 修稿时间： | 2006-11-20 |
Study on myocardial systolic function in patients with dilated cardiomyopathy with velocity vector imaging technology |
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| CHEN Jun-hong,CAO Tie-sheng,DUAN Yun-you,YUAN Li-jun and LIU Xi.Study on myocardial systolic function in patients with dilated cardiomyopathy with velocity vector imaging technology[J].Chinese Journal of Medical Imaging Technology,2006,22(12):1831-1833. |
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| Authors: | CHEN Jun-hong CAO Tie-sheng DUAN Yun-you YUAN Li-jun and LIU Xi |
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| Institution: | Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038 China;Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038 China;Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038 China;Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038 China;Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038 China |
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| Abstract: | |
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| Keywords: | Velocity vector imaging Dilated cardiomyopathy Strain rate imaging Dependence of angle |
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