美国男性营养因素和高血压的前性研究
A Ascherio1, E B Rimm, E L Giovannucci
1Department of Epidemiology, Harvard School of Public Health, Boston, MA.
Circulation
|November 1, 1992
概括
增加食纤维和摄入量可能有助于预防高血压. 更高的纤维消耗与男性患高血压的风险明显降低有关.
科学领域:
- 营养科学 营养科学
- 心血管健康 心血管健康
- 流行病学 流行病学
背景情况:
- 流行病学研究表明,饮食会影响血压.
- 单个营养素在高血压中的具体作用仍然不清楚.
研究的目的:
- 检查各种营养因素与高血压风险之间的关系.
- 研究特定营养素对中年男性血压的影响.
主要方法:
- 对30681名美国男性卫生专业人员 (40-75岁) 进行前性研究,没有被诊断为高血压.
- 随访4年,记录高血压的诊断情况.
- 分析饮食摄入量,包括纤维,,和,与高血压发生率和血压变化相关.
主要成果:
- 食纤维,和单独与较低的高血压风险有关.
- 只有食纤维显示了一个独立的反向关联,当营养素一起考虑时.
- 纤维摄入量低 (<12g/天) 的男性患高血压的风险比摄入量高 (>24g/天) 的男性高1.57倍.
- 水果纤维,但不是蔬菜或谷物纤维,与高血压发生率相反相关.
结论:
- 增加食纤维和的摄入量可能有助于预防高血压.
- 研究结果支持特定饮食成分在控制血压中的作用.
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