治疗引起的血压降低和心肌梗塞的风险
M H Alderman1, W L Ooi, S Madhavan
1Department of Epidemiology and Social Medicine, Albert Einstein College of Medicine, Bronx, NY 10461.
在轻度至中度高血压患者中,达到适度降低腹压 (BP) 可能会降低心肌梗塞的风险. 大和小的血压下降都与心脏病发作风险增加有关,与中度下降相比.
科学领域:
- 心脏病学 心脏病学
- 高血压管理 高血压管理
背景情况:
- 轻度至中度高血压影响着大量人群,需要有效的治疗策略.
- 血压降低程度与心血管结果 (如心肌梗塞) 之间的关系需要进一步阐明.
研究的目的:
- 调查治疗诱导的血压降低程度与以前未经治疗的轻度至中度高血压患者心肌梗塞发生率之间的关联.
主要方法:
- 一组1765名未经治疗的轻度至中度高血压患者的队列被审查.
- 扩张压 (BP) 降低被分为小 (≤6 mm Hg),中度 (717 mm Hg) 和大 (≥18 mm Hg) 的变化.
- 考克斯回归分析被用来评估降血压类别与心肌梗塞事件之间的关系.
主要成果:
- 在平均4.2年的随访期间,发生了39次心肌梗塞.
- 腹筋血压的大和小降低都与心肌梗塞的发病率较高,相比于中度下降.
- 年龄和性别被确定为心肌梗塞的独立风险因素,而BMI和胆固醇等其他因素没有显著意义.
结论:
- 对轻度至中度高血压患者来说,适度降低腹压血压可能是最佳的治疗目标,以尽量减少心肌梗塞风险.
- 这项研究表明,腹筋血压降低和心血管事件之间存在非线性关系.
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