在高血压患者中,左心房应变和左心室透静功能之间的相关性
Jin Cai1, Zhongshu Liang2, Wenchang Feng3
1Department of Cardiology, Third Xiangya Hospital, Central South University, Changsha 410013. 532143721@qq.com.
概括
左心房张力变化发生在高血压的早期,在结构变化之前. 这种菌株与心声回声学指数相结合,可以帮助评估高血压患者的左心室透静功能.
科学领域:
- 心脏病学 心脏病学
- 心血管成像 - 心血管成像
- 高血压研究 高血压研究
背景情况:
- 在高血压患者中,早期检测无症状的透气功能障碍对于预防心力衰竭至关重要.
- 建议左心房应变有助于评估左心室透静功能,但其在高血压中的作用需要进一步研究.
- 这项研究探讨了使用二维斑点跟踪技术在高血压患者的左心房应变.
研究的目的:
- 为了评估高血压患者左心房应变的变化.
- 为了研究左心房应变与左心室扩张功能之间的关系.
- 为了识别高血压中扩张性功能障碍的早期标志物.
主要方法:
- 参与了82名高血压患者和59名健康对照组.
- 高血压患者根据透气功能指数计数 (0,1,或≥2) 划分为三组.
- 通过二维斑点跟踪测量左心室储应变 (LASr),管道应变和收缩应变.
主要成果:
- 与对照组相比,高血压患者的LASr和导管应变较低.
- 随着扩张性功能障碍的严重程度的增加,LASr和导管应变量下降.
- LASr与扩张功能 (septal e ́,侧面 e ́,E,E/A) 的测量结果正相关,与E/septal e ́的测量结果负相关.
结论:
- 在早期高血压中,左心房功能变化先于结构性变化.
- 左心房应变,特别是与LASr/(E/septal e ́等指数相结合时,是评估高血压患者左心室扩张功能的一个有价值的工具.
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