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超声斑点追踪技术定量评价肾衰竭患者左心室旋转及扭转功能 被引量:4

The evaluation of rotation and torsion of left ventricular in patients with venal failure using speckle tracking ultrasonography
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摘要 目的探讨超声斑点追踪技术在评价肾衰竭患者左心室旋转及扭转中的应用价值。方法选择肾功能衰竭患者30例为观察组,另选择同时段我院健康查体中心健康志愿者30例为对照组,超声设备选择PhilipsIE33彩色多普勒超声诊断系统,比较两组间常规超声指标、心尖水平及心底水平不同节段收缩期旋转角度峰值,部位包括前间隔、前壁、侧壁、后壁、下壁及后间隔。结果①观察组患者LVEF均值为(55.45±9.32)%,显著低于对照组(P<0.05)。观察组患者舒张末左室后壁厚度均值为(1.23±0.23)cm,舒张末室间隔厚度均值为(1.11±0.10)cm,均显著高于对照组(P<0.05);②观察组患者前间隔、前壁、侧壁、后壁、下壁及后间隔收缩期旋转角度峰值均显著低于对照组(P<0.05);③观察组患者后壁及下壁收缩期旋转角度峰值均显著低于对照组(P<0.05);④经Pearson相关分析,肾衰竭患者左心室扭转角度与LVEF间存在正相关(r=0.675,P<0.001)。结论超声斑点追踪成像显示肾衰竭患者左室壁各节段心肌旋转角度及整体心肌的扭转角度与正常人存在显著差异。
出处 《医学影像学杂志》 2013年第8期1324-1326,共3页 Journal of Medical Imaging
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