血压和血清肌素的前性研究. 来自"线索"研究和ARIC研究的结果
T V Perneger1, F J Nieto, P K Whelton
1Department of Epidemiology, Johns Hopkins University School of Hygiene and Public Health, Baltimore, Md.
JAMA
|January 27, 1993
概括
过去的血压水平,即使是正常的血压水平,也比目前的血压水平更好地预测血清肌素和高肌血. 这表明,随着时间的推移,高血压可能会导致早期损伤.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心血管医学 心血管医学
- 流行病学 流行病学
背景情况:
- 血清肌素水平是功能的一个关键指标.
- 高血压是慢性病的主要危险因素.
- 了解血压和标志物之间的长期关系对于公共卫生至关重要.
研究的目的:
- 在一般人群中调查过去和现在的血压水平和血清肌素水平之间的关联.
- 为了确定历史血压是否比当前血压更好地预测功能标志物.
主要方法:
- 一项非并发的前性研究,涉及1399名来自马里兰州华盛顿县的中年成年人.
- 1974年和1986年至1989年间再次测量血压.
- 在1986-1989年间评估了血清肌水平和高肌血症,并使用回归模型分析了相关性.
主要成果:
- 过去的血压 (1974年) 比目前的血压 (1986年至1989年) 更强烈地预测血清肌和高肌血症 (1986年至1989年).
- 1974年血压增加20毫米升与高胆血的几率增加1.5至2倍有关.
- 血压和肌素之间的关联甚至在非高血压水平上也是显著的.
结论:
- 在一般人群中,血压和血清肌氨酸水平显著相关.
- 当血压和肌素测量之间存在时间滞后时,这种关联更为强烈.
- 血压升高,即使低于高血压值,也可能导致早期损伤.
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