在一般人群中,抗性指数的纵向变化和预测值
Bente Ponsaerts1, Evangelos Ntalianis1, Everton J Santana1,2
1Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium.
Nephrology (Carlton, Vic.)
|June 29, 2025
概括
抗性指数 (RRI) 随着年龄的增长,脉压的升高和糖尿病自然会增加. 然而,这项研究发现,RRI不能在一般人群中可靠地预测心血管事件.
科学领域:
- 心血管医学 心血管医学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 流行病学 流行病学
背景情况:
- 抗性指数 (RRI) 是评估心血管-相互作用的关键血液动力成像标志物.
- 关于RRI自然历史,相关性和社区环境中的预测能力的纵向数据是有限的.
- 了解这些方面对于评估RRI在心血管风险评估中的作用至关重要.
研究的目的:
- 调查与社区基队伍中抗指数 (ΔRRI) 纵向变化相关的因素.
- 评估RRI在长期随访期间对主要心血管事件的预测价值.
- 在一般成年人群中提供RRI自然史的第一个纵向描述.
主要方法:
- 一项前性观察队列研究,涉及594名成年人,通过性超声波进行初始RRI评估.
- 135名参与者的小组在大约8年后进行了第二次RRI测量,主要心血管疾病发病率的总随访时间为9.1±2.3年.
- 统计分析包括ΔRRI相关物阶段回归和多变量Cox模型用于心血管事件预测.
主要成果:
- 平均RRI在8年内从0.60显著增加到0.63 (p < 0.001).
- 较高的 ΔRRI 独立地与年龄较大,基线脉压较高,糖尿病和随访期间脉压增加有关.
- 在调整混因子后,基线RRI和RRI三位数没有显著预测主要心血管事件.
结论:
- 这项研究为一般成年人群中RRI的自然历史提供了第一个纵向洞察.
- RRI的进展与衰老,脉动性增加和糖尿病有关.
- RRI对心血管事件的预测价值有限,这表明它不适合基于社区的风险分层.
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