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        west china medical publishers
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        find Author "GAO Yuli" 1 results
        • Clinical Study of Strain and Strain Rate on the Evaluation of Left Ventricular Function for Patients with Different Geometric Patterns of Hypertension

          目的:應用應變率探討不同左心室構型的原發性高血壓患者左心室長軸方向應變-應變率成像的變化,及其與EF、FS及二尖瓣血流測量評價左室功能的對照研究。方法:采用M型、二維、多普勒超聲及應變率成像技術,測量左室室壁厚度、左室內徑、EF、FS,二尖瓣血流頻譜E、A及左室平均應變ε,應變率S、e、a。結果:高血壓離心性肥厚組EF、FS明顯低于對照組,高血壓其余各組EF、FS與對照組無統計學差異;收縮期應變率S應變ε在五組間差異均有顯著性意義:高血壓各組較正常對照組減小(I--Ⅴ呈遞減);舒張期應變率e減低、a增高,e/a比值減小,各組間存在統計學差異(Plt;0.05); E/A,e/a結果大體一致。結論:應變率成像為臨床提供了一個敏感、簡便、可靠的評價原發性高血壓患者左室心肌功能的指標。

          Release date:2016-09-08 10:02 Export PDF Favorites Scan
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