诊断延迟和心血管死亡率在左环的罪祸首ST段升高心肌梗塞:一个16年的经验
Dorian Garin1, Nolan Grin1, Diego Arroyo1
1Department of Cardiology, University and Hospital Fribourg, 1708, Fribourg, Switzerland.
概括
在ST段升高心肌梗塞 (STEMI) 中,左环动脉 (LCx) 阻塞会导致诊断延迟和较大的心脏病发作,但对幸存者有有利的长期结果. 早期死亡率较高,但预后在30天后明显改善.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 急性冠状动脉综合征是什么
背景情况:
- 在ST段升高心肌梗塞 (STEMI) 中的左环动脉 (LCx) 阻塞具有独特的临床特征.
- 了解与LCx罪祸首病变相关的管理和结果对于优化患者护理至关重要.
研究的目的:
- 为了比较短期管理模式和STEMI患者的短期和长期结果,LCx罪祸首病变与非LCx罪祸首.
- 调查LCx闭塞对诊断时间,心脏病发作大小,左心室喷射率 (LVEF) 和心血管死亡率的影响.
主要方法:
- 接受初级穿皮冠状动脉干预的STEMI患者的未来注册.
- 在LCx和非LCx罪祸首组之间比较过程时间,峰值酶水平 (CK-MB),LVEF和心血管死亡率.
- 用多变量通用线性和考克斯模型进行分析.
主要成果:
- 在13.8%的STEMI患者中发现了LCx罪祸首病变.
- 与非LCx罪祸首相比,LCx闭塞与诊断延迟 (长6.7分钟),更高的CK-MB峰值水平和保存的LVEF有关.
- 在LCx组观察到30天心血管死亡率增加 (调整HR4.13).
结论:
- 在STEMI中LCx罪祸首病变与诊断延迟,较大的酶性心脏病发作和早期心血管死亡率的增加有关,尽管LVEF保持.
- 经过30天的LCx相关STEMI的幸存者表现出有利的长期预后,死亡率在1年内没有增加,并且趋向于更好的5年生存率.
- 这些发现表明,STEMI中的LCx罪祸首病变具有独特的临床轨迹,需要量身定制的管理策略.
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