在末期病中,使用常规心声谱和2D斑点跟踪心声谱比较左心室结构和功能
Shimaa A Habib1, Asmaa A Hasan1, Ola Hassan Abd Elaziz1
1Department of Cardiology, Faculty of Medicine, Al-Azhar University, Cairo, EGY.
Cureus
|July 23, 2024
概括
二维斑点跟踪回声心电图 (2D STE) 在血液透析患者中检测到早期的左心室 (LV) 功能障碍,其表现优于传统回声心电图. 这种先进的技术可以识别心肌问题,即使正常的喷射率 (EF).
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學.
- 医疗成像医学成像
背景情况:
- 接受血液透析 (HD) 的患者面临心血管风险增加.
- 早期发现心肌功能障碍对于管理这些并发症至关重要.
- 二维斑点跟踪回声心电图 (2D STE) 为评估心脏功能提供了先进的功能.
研究的目的:
- 评估2D STE在识别常规血液透析患者左心室 (LV) 功能障碍方面的有效性.
- 为了比较2D STE的诊断性能与LV功能障碍的传统心声回声学.
主要方法:
- 这项研究包括30名末期脏病 (ESRD) 患者,分为有 (n=19) 和没有 (n=11) 左心室缩 (LVH) 的组.
- 还招募了一个由30名健康受试者组成的对照组.
- 使用射出分数 (EF),平均缩速度 (Sa) 和2D LV应变来评估左心室缩功能;通过E/A比率和E/Ea来评估腹缩功能.
主要成果:
- 传统的心声回声仪在ESRD组之间没有显示LV缩或透缩功能的显著差异.
- 2D STE显示了平均Sa速度,平均LV应变,2D全球纵向应变 (GLS),E/Ea和LV心肌性能指数 (MPI) 的显著差异.
- 在左心室质量指数 (LVMI) 和各种心声学参数之间观察到显著的相关性,包括与2D平均LV菌株的负相关性.
结论:
- 2D STE比常规心声回声更敏感,用于检测早期的左心室缩和扩张功能障碍.
- 这在血液透析患者中尤其重要,即使是那些具有正常射出分数 (EF) 的患者.
- 2D STE为ESRD患者的亚临床心肌变化提供了宝贵的见解.
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