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超声对重度主动脉瓣狭窄并充血性心力衰竭患者预后的评估研究 被引量:2

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摘要 目的:探讨超声对重度主动脉瓣狭窄并充血性心力衰竭患者预后的评估效果。方法:回顾性分析我院2019年2月—2020年12月收治的100例射血分数正常的重度主动脉瓣狭窄患者的基本资料,依据NYHA功能分级将其分为NYHA Ⅰ~Ⅲ组与NYHA Ⅳ组,分别为68例与32例,对其实施超声检查,观察两组患者的左室舒张末期内径(LVDd)、室间隔厚度(IVSd)、左室后壁厚度(LVPWT)、左房内径(LAD)、左室质量(LVM)、左室射血分数(LVEF)、E/e'、E/A、减速时间(DT)情况;同时观察导致充血性心衰临床症状有关的超声参数情况;超声心动图参数评估患者发生心衰的截断点。结果:NYHA Ⅳ组患者的IVSd、E/A、LVM高于NYHA Ⅰ~Ⅲ组,DT较短,LVEF较低,差异有统计学意义(P<0.05);但两组患者的LAD、LVDd、LVPWT、E/e'值无显著差异(P>0.05)。经Logistic回归分析显示,LVMI与DT是NYHA Ⅳ级的独立因素(P<0.05)。LVMI截断点为142 g/m2,DT截断点为194 ms。结论:LVMI与DT与NYHA Ⅳ呈独立相关性,对于重度主动脉瓣狭窄并充血性心力衰竭患者预后具有重要的评估价值。
出处 《影像研究与医学应用》 2021年第17期32-33,共2页 Journal of Imaging Research and Medical Applications
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