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择期开通急性ST段抬高心肌梗死相关动脉值得吗?

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摘要 急性ST段抬高心肌梗死(ASTEMI)是心血管急症之一。ASTEMI大部分是由于在冠状动脉固定狭窄的基础上斑块破裂继发血栓形成后完全阻塞梗死相关动脉(IRA)。若无足够的侧支循环,15min开始发生心肌坏死,从心内膜向心外膜发展。这一过程可受到广泛侧支血流和决定心肌氧耗诸多因素的影响,因而为挽救心肌提供了机会。目前对处理ASTEMI公认原则是早期(〈12h)开通IRA,指南建议门诊至球囊扩张时间〈90min。
作者 霍勇 龚艳君
出处 《内科理论与实践》 2009年第3期180-182,共3页 Journal of Internal Medicine Concepts & Practice
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