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在急性心肌梗塞中对左心室性能进行间接评估
Circulation
|October 1, 1970
概括
在急性心肌梗塞患者中评估左心室喷射时间显示,喷射时间缩短,预喷射时间延长. 这些变化在心脏病发作中尤为明显,为心脏病护理提供了有价值的预后指数.
科学领域:
- 心脏病学 心脏病学
- 心血管生理学心血管生理学
- 诊断医学 诊断医学
背景情况:
- 急性心肌梗塞 (AMI) 显著影响心脏功能.
- 准确评估左心室 (LV) 性能对于患者管理至关重要.
- 在临床环境中,评估LV缩功能的非侵入性方法非常受欢迎.
研究的目的:
- 评估AMI患者左心室缩抛射时间的间接序列确定.
- 为了将电机学性抽缩和喷射时间间隔的变化与心脏病发作严重程度相关联.
- 评估这些测量在心脏病治疗单位患者的预后价值.
主要方法:
- 间接连续测量左心室静脉喷射时间,对100名心脏病治疗室患者进行了间接连续测量.
- 根据临床,生化和心电图的标准,患者被分为转移性心脏病发作,非转移性心脏病发作和没有心脏病发作的组.
- 分析包括总电机械性心缩,左心室喷射时间,预喷射期及其组成部分 (Q-S1,异体体缩时间).
主要成果:
- 急性心肌梗塞与缩短的全电机械性心缩和左心室喷射时间有关.
- 在AMI患者中,预喷射期及其组成部分 (Q-S1,异体体缩时间) 延长了.
- 穿越性心脏病发作患者表现出最显著的异常,非穿越性心脏病发作和对照组的变化不那么严重. 在已故的脑外发作患者中,观察到较差的结局.
结论:
- 间接测量左心室缩喷射时间是评估AMI中LV表现的有价值的床头工具.
- 这些测量为患有急性心肌梗塞的患者提供了有用的预后指数.
- 该研究强调了非侵入性时间间隔在区分心脏病发作严重程度和预测结果方面的有用性.
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