在急性下心肌梗塞期间,V1ST升高的预后值
Cheuk-Kit Wong1, Wanzhen Gao, Ralph A Stewart
1Dunedin School of Medicine, University of Otago, Dunedin, New Zealand.
Circulation
|July 21, 2010
概括
在急性下心肌梗塞期间,V的ST升高1表明死亡风险更高,特别是当持续时. 这一发现有助于识别高风险患者,以便更好地管理.
科学领域:
- 心脏病学 心脏病学
- 电心电图是指心电图.
- 肌肉心脏病发作 肌肉心脏病发作
背景情况:
- 在急性下心肌梗塞 (MI) 中,ST升高可能表明右心室卷入或后侧MI.
- V(1) ST升高的预后意义可能取决于同时发生的V(3) ST变化.
研究的目的:
- 在急性下心肌梗塞期间调查V的ST升高的预后意义.
- 为了确定V(1) ST升高是否预测30天死亡率,考虑V(3) ST变化.
主要方法:
- 从HERO-2试验中分析了7967名患有急性较低MI的患者.
- 对V(1) 和V(3) ST水平的电心图分析,包括基线和纤维解析后测量.
- 统计调整V(3) ST水平,下侧ST升高和临床因素来预测30天死亡率.
主要成果:
- 基线V(1) ST升高作为连续变量与30天死亡率增加有关 (经调整后的几率比为1.24).
- 每增加0.5毫米的V(1) ST升高与死亡率上升25%相关.
- 持续的V(1) ST升高 (≥1毫米) 在纤维解析后60分钟与显著更高的死亡率 (10.8%与5.5%) 有关.
结论:
- 中ST升高V(1) 是急性下心肌梗塞中较高死亡率的独立预测因子.
- 这种心电图发现有助于识别需要更密切的监测和管理的高风险患者.
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