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维生素K_2血液浓度监测指导房颤患者华法林用量的意义

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摘要 目的探讨维生素K_2血液浓度监测指导房颤患者华法林用量的意义。方法选择50例住院并初次口服华法林药物治疗的房颤患者50例(观察组)及健康体检者10例(对照组),利用高效液相色谱对研究对象的维生素K_2及华法林血液浓度进行定量测定,并结合凝血酶原时间-国际标准化比值(PT-INR),分析三者之间的相关性。结果服药后第1、3天,观察组维生素K_2血液浓度与对照组比较差异无统计学意义(P>0.05);服药后第7天,观察组维生素K_2血液浓度较第1天明显降低(P<0.05),且较对照组明显降低(P<0.05)。服药后第3、7天,观察组华法林血液浓度及PT-INR值均较第1天明显升高(P<0.05)。服药后,维生素K_2血液浓度与华法林血液浓度呈负相关(r=-0.703,P<0.05),与PT-INR值呈负相关(r=-0.656,P<0.05);华法林血液浓度与PT-INR值呈正相关(r=0.898,P<0.05)。结论监测维生素K_2血液浓度对调整房颤患者华法林用量有指导作用。
出处 《广东医学》 CAS 北大核心 2016年第9期1376-1378,共3页 Guangdong Medical Journal
基金 广东省自筹经费类科技计划项目(编号:粤科规财字[2015]110号-汕头大学-2)
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