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血栓抽吸术在急性ST段抬高心肌梗死介入治疗中的疗效 被引量:19

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摘要 目的探讨急性ST段抬高心肌梗死(STEMI)患者12 h内经皮冠状动脉介入(PCI)治疗过程中应用血栓抽吸导管进行血栓抽吸,对心肌组织微循环灌注的影响。方法诊断为STEMI并行急诊PCI治疗的84例患者,根据冠状动脉造影结果,对"罪犯"血管反复持续负压抽吸直至病变处血栓影变淡或消失,冠脉远端血流得到明显改善。根据是否抽吸出血栓分为抽吸出血栓组与未抽吸出血栓组。PCI术后行冠脉造影比较两组心肌梗死溶栓实验(TIMI)血流分级、心肌血流灌注(TMP)分级、心电图抬高ST段回落幅度、血清血肌酸激酶(CK)和血肌酸激酶同工酶(CK-MB)峰值和PCI术后1 w左心室射血分数、左心室舒张末期内径及PCI后4 w内主要心脏事件。结果与未抽吸出血栓组比较,抽吸出血栓组TIMI血流分级和TMP分级均明显改善;心电图抬高ST段回落幅度大〔分别为(67.5±28.9)%vs(38.1±30.7)%〕;CK分别为(1 278.5±69.8)U/L vs(1753.8±72.6)U/L,CK-MB分别为(108.9±25.6)U/L vs(228.6±23.9)U/L,抽吸出血栓组CK及CK-MB峰值显著降低;1 w心彩检查左心室射血分数增大(56.9%±3.4%vs 52.2%±3.7%);左心室舒张末期内径减小(50.6±4.9 vs 55.4±4.7)。以上各项指标比较,两组差异均有统计学意义(P<0.01)。结论支持冠脉病变部位血栓碎裂脱落导致冠脉远端微小血管栓塞是引起"无复流"或"慢血流"发生的主要原因之一,血栓抽吸导管在冠脉内行血栓抽吸操作安全可靠,不增加心脏事件的发生率。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2014年第16期4448-4450,共3页 Chinese Journal of Gerontology
基金 吉林省教育厅十一五科学技术研究项目(吉教科合字〔2010〕第268号)
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参考文献4

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二级参考文献7

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