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用活化凝血时间监测冠心病患者介入手术后抗凝剂的应用 被引量:8

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摘要 目的研究经皮冠状动脉介入术(PCI)肝素代谢情况,寻找低分子肝素的合理应用时间。方法将入住心内科,诊断为冠状动脉性心脏病(CHD)的患者80例,给予阿司匹林、氯吡咯雷、消心痛、调脂等治疗,设为A组(造影术)和B组(造影术+支架植入术)。A、B两组治疗前后检测活化凝血时间(ACT)值。将B组分为三个亚组,三个亚组患者分别于支架置入术后3h、6h、8h皮下给予低分子肝素钙4 100U,检测静脉推注肝素前及后10min、2h、4h、6h、8h、12h等不同时间点的ACT值。结果 A组治疗后较治疗前比较,ACT值未见明显差异,B组治疗后较治疗前ACT值延长(P<0.05);3个亚组各时间点组间比较无统计学意义(P>0.05),3个亚组ACT值均于注药后约10min至峰值,4h后基本降至术前水平,(4~12)h各组较术前组比较稍延长(P>0.05),(4~12)h组各组之间比较差异不明显。结论低分子肝素对ACT值有一定影响,阿司匹林、氯吡咯雷等抗血小板药物对ACT值影响不明显;静脉注射吸收良好,直接静脉注射迅速起效,3h~4h后ACT值恢复至用药前水平,显示ACT值监测肝素代谢过程中,有很好的量效关系,术后何时皮下注射低分子肝素无严格区别,临床上术后4h~6h给药均可。
出处 《中西医结合心脑血管病杂志》 2013年第7期813-815,共3页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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