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左室长短轴应力与左室收缩功能的偏相关分析 被引量:1

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摘要 目的:应用偏相关分析左室长短轴应力与反映左室收缩功能的生物力学指标:最大心肌劲度的相关性,以获得直接反映左室收缩功能的生物力学指标。方法:选取37例健康人,应用超声心动图测定心脏左室收缩末期内径和后壁厚度;左室收缩末期中壁长短径、室壁厚度;联合袖带肱动脉血压值计算左室收缩末期压力。应用上述各测值计算最大心肌劲度(maxEav)、左室收缩末期短轴及长轴应力(σ、σm),进行偏相关性统计学分析。结果:maxEav与σ无相关性(r=-0.15,P>0.05);maxEav与σm有显著相关性(r=0.34,P<0.05)。结论:左室收缩末期长轴应力是评价左室收缩功能直接且准确的生物力学指标。
出处 《中国美容医学》 CAS 2012年第10X期51-52,共2页 Chinese Journal of Aesthetic Medicine
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参考文献9

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