经皮冠状动脉介入治疗时无再流现象的处理Treatmant of no-reflow phenomenon during percutaneous coronary intervention
韩艳丽,李继福,陈玉国,李贵双,王营,许维亮
摘要(Abstract):
目的初步探讨冠状动脉(冠脉)内注射尿激酶及地尔硫对经皮冠状动脉介入治疗(PCI)中“靶血管”病变无再流现象的临床疗效。方法86例急性冠脉综合征患者实施介入治疗出现靶血管的无再流,首先给予冠脉内硝酸甘油,其78例血流无改善,并将其分为3组:A组26例,交替给予尿激酶及地尔硫冠脉内注射,尿激酶最大量20×104U,地尔硫最大量2mg;B组24例,给予地尔硫冠脉内注射,每次500μg,最大量2mg;C组28例,给予尿激酶冠脉内注射,最大量20×104U。结果A组26例TIMI血流明显改善,P<0.01。B组18例TIMI血流改善,P<0.05;6例无改善者继续予尿激酶1×105~2×105U推注后TIMI血流3级者4例,TIMI血流2级者2例。C组20例TIMI血流改善,P<0.05;8例无改善者继续予地尔硫500μg~2mg推注后TIMI血流3级者6例,TIMI血流1级者2例,其中术后24小时死亡1例。3组相比,术后A组TIMI血流改善更为显著,P<0.05。结论无再流现象与靶血管远端的冠脉微血栓形成及痉挛均有关,PCI中给予冠脉内小剂量尿激酶及地尔硫安全有效,应在今后处理中推广应用。
关键词(KeyWords): 血管成形术,经腔,经皮冠状动脉;心肌再灌注;尿纤溶酶原激活物;地尔硫
基金项目(Foundation):
作者(Author): 韩艳丽,李继福,陈玉国,李贵双,王营,许维亮
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