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Impact of Ischemic Postconditioning on Myocardial Reperfusion in Patients with Acute ST Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention
Author(s): 
Pages: 987-990
Year: Issue:  8
Journal: The Journal of Medical Theory and Practice

Keyword:  缺血后处理急性心肌梗死无复流血管成形术经腔经皮冠状动脉;
Abstract: 目的:观察缺血后处理(ischemic postconditioning,IPC)对接受直接经皮冠状动脉介入治疗(PCI)的急性ST段抬高型心肌梗死(ASTEMI)患者冠脉血流的影响.方法:发病12h内且接受直接PCI治疗的ASTEMI患者106例,随机分为对照组(行标准PCI操作)和缺血后处理组(在标准PCI操作基础上于梗死相关动脉再通后给予3轮30s/次的缺血后处理).观察术中冠脉血流情况、术后心肌坏死标志物及炎症标志物水平.结果:两组患者基线临床情况、冠脉病变及PCI治疗情况一致,缺血后处理组术中无复流(NRF)发生率低于对照组(8.0% VS 23.2%,P=0.033);ST段完全回落率高于对照组(96.0% VS 83.9%,P=0.042);尽管术毕时梗死相关动脉TIMI血流无差异,但CTFC及Blush血流好于对照组(P<0.05);缺血后处理组术后CK-MB和高敏肌钙蛋白T(Hs-TnT)均低于对照组[(258.3±87.8)U/LVS (306.6±94.4)U/L,P=0.008;(3 582.08士1 731.40)ng/L VS(4 501.34±1 554.4)ng/L,P=0.005].同样,术后缺血后处理组的高敏C反应蛋白(Hs-CRP)水平亦低于对照组[(29.25±46.13)mg/L VS (32.20±43.50) mg/L,P=0.048].结论:3轮30s/次的缺血后处理可以通过减轻缺血再灌注损伤降低ASTEMI患者术中NRF发生率.
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