使用24MHz探针评估内皮功能障碍的高分辨率流介导扩张的可行性:高血压和正常血压组的比较
Yinping Wang1, Zhengqiu Zhu1, Xuehui Ma1
1Department of Ultrasound, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
Ultrasonography (Seoul, Korea)
|September 23, 2025
概括
一种新的血管反应指标NER60在高血压患者中显著降低,表明血管反应能力受损. 这一发现表明NER60可能作为高血压相关的内皮细胞功能障碍的标志物.
科学领域:
- 心血管研究研究心血管研究
- 血管生物学 血管生物学
- 高血压研究 高血压研究
背景情况:
- 内皮细胞功能障碍 (ECD) 是心血管疾病的一个关键因素.
- 高血压是ECD和血管反应受损的主要危险因素.
- 高分辨率流媒体扩张 (hrFMD) 用于评估血管功能.
研究的目的:
- 为了研究高血压 (HT) 和非高血压 (NHT) 个体之间的ECD和血管反应的差异.
- 评估传统膨胀比率 (TER) 和新膨胀比率 (NER) 在评估使用 hrFMD 的血管反应中的实用性.
- 确定NER60是否可以作为与高血压相关的ECD的替代标记.
主要方法:
- 该研究包括31名HT和29名NHT参与者.
- hrFMD使用24MHz超声波探针进行.
- 支臂动脉直径在基线和封闭后 (30,60,120秒) 测量,以计算TER和NER.
- 多变量逻辑回归分析了EDD,hrFMD指数和心血管风险因素之间的关联.
主要成果:
- 与NHT组相比,HT组的NER60显著低于NHT组.
- NER60与年龄,心动脉内心介质厚度 (cIMT) 和缩血压有负相关性.
- 即使考虑到主要心血管风险因素,NER60也与高血压相关的ECD独立相关.
结论:
- 在高血压患者中,NER60可能是血管反应能力受损的替代标志物.
- 这些发现表明,NER60在评估高血压相关的内皮功能障碍方面可能是有价值的.
- 对于直接ECD检测,需要对NER60与已建立的生理学标准进行进一步的验证.
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