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超声心动图对等容收缩期内心肌收缩形式的再认识 被引量：2

Re-recognizing myocardial contraction fashion in isovolumic contraction phase with echocardiography
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摘要 目的通过M型及组织多普勒超声心动图探讨等容收缩波时间内心肌的收缩形式。方法通过M型超声心动图获取等容收缩波时间内左心室横向上前后径及心肌厚度的变化;组织多普勒超声心动图获取左心室心肌等容收缩波时间内纵向上的位移及形变。结果横向上左心室前后径在等容收缩波时间内增大,心肌变薄;纵向上左心室心肌在等容收缩波时间内缩短,即纵向上左心室上下径减小。结论左心室心肌在等容收缩期内的收缩并不是等长的收缩。 Objective To explore myocardial contraction fashion in the period of isovolumic contraction（IVC）wave with M-mode echocardiography and tissue Doppler imaging（TDI）.Methods The changes of anteroposterior diameter of left ventricle（LV）in transverse in the period of IVC wave with M-mode echocardiography were obtained,as well as the thickness of myocardium.Furthermore,longitudinal displacements and strains of myocardium in the period of IVC wave were measured with TDI.Results LV anteroposterior diameter continued to increase and myocardium became thinner in transverse direction.Moreover,LV longitudinal strains showed that myocardium shortened,and LV vertical diameter decreased.Conclusion Myocardial contraction fashion of LV is not isometric in IVC phase.
作者 丛志斌 任卫东 姜镔 杨玉洁 郭红阳
机构地区 中国医科大学附属盛京医院超声科 长春中医药大学附属医院电诊科
出处 《中国医学影像技术》 CSCD 北大核心 2010年第11期2071-2074,共4页 Chinese Journal of Medical Imaging Technology
基金 吉林省自然科学基金计划(201015205)
关键词 超声心动描记术 等长收缩 等容收缩波 Echocardiography Isometric contraction Isovolumic contraction wave
分类号 R541 [医药卫生—心血管疾病] R540.45 [医药卫生—心血管疾病]
  • 相关文献

参考文献9

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二级参考文献14

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共引文献22

同被引文献16

  • 1陈斌,邓又斌.经胸超声冠状动脉显像技术检测冠状动脉粥样硬化及狭窄的应用[J].临床心血管病杂志,2005,21(3):187-189. 被引量：3
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  • 5Lindqvista P, Waldenstro A, Wikstr6m G, et al. Potential use ot isovolumic contraction -ze~ocity in assessment of left ventricular contractility in man: A simultaneous pulsed Doppler tissue ima- ging and cardiac catheterization sttldy. Eur J Echocardiogr, 2007, 8(4) :252-258.
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引证文献2

二级引证文献3

中国医学影像技术
2010年 第11期

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