突然冠状动脉死亡的长期和短期风险
L A Cupples1, D R Gagnon, W B Kannel
1Section of Preventive Medicine and Epidemiology, Boston University School of Medicine, MA.
Circulation
|January 1, 1992
概括
突然心脏死亡 (SCD) 的危险因素具有不同的长期和短期影响. 血压和吸烟等可改变的因素显示出更大的长期影响,而心电图异常更有效地预测短期风险.
科学领域:
- 心脏病学 心脏病学
- 流行病学 流行病学
- 公共卫生 公共卫生
背景情况:
- 突发心脏病死亡 (SCD) 仍然是一个重大的公共卫生问题.
- 了解风险因素和SCD之间的时间关系对于有效的预防策略至关重要.
研究的目的:
- 检查各种风险因素与突然心脏死亡 (SCD) 的长期和短期关联.
- 为了比较男性和女性之间SCD的发病率和风险因素概况.
主要方法:
- 分析了来自弗雷明汉心脏研究的数据,其中包括2,011名35至70岁的男性和2,534名女性.
- 利用Kaplan-Meier生存曲线和Cox比例危险模型进行长期风险评估 (28年).
- 员工聚合后勤回归用于短期风险评估 (2年间隔).
主要成果:
- 在所有年龄组中,女性的SCD发病率低于男性,即使在调整风险因素后,女性的发病率也显著降低.
- 可修改的风险因素 (例如,葡萄糖不耐受,高血压,肥胖,吸烟) 对SCD风险产生更明显的长期影响,特别是在男性中.
- 电心电图异常,包括左心室缩和心室内阻塞,是SCD的更强的短期预测因素.
- 以前存在的冠心病在男性和女性中大幅增加了长期和短期的SCD风险,男性的相对风险更高.
结论:
- 某些风险因素对心脏突发死亡的影响在长期和短期预测视界之间存在显著差异.
- 在SCD发病率和风险因素关联中,基于性别的差异仍然存在,这突显了需要性别特定的预防方法的需要.
- 虽然可修改的生活方式因素对长期风险很重要,但急性预测因素 (如心电图异常) 对短期风险分层至关重要.
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