JACC:诊断心肌梗死(MI)新标志物--心肌肌钙蛋白

2015-06-02 徐媛媛译 MedSci原创

诊断心肌梗塞(MI)心肌肌钙蛋白是首选生物标志物。本研究目的将高敏心肌肌钙蛋白T(hs-cTnT)引入到临床并定义高敏心肌肌钙蛋白T在什么情况下会升高。使用Elecsys肌钙蛋白T高敏检验方法。 最新SWEDEHEART注册分析数据显示,新型高敏心肌肌钙蛋白试验能够识别大部分患者(多无心梗)的心肌肌钙蛋白微量升高。 研究人员对48594名因疑似急性冠脉综合征入院的患者进行了分析。根据患者高敏心

诊断心肌梗塞(MI)心肌肌钙蛋白是首选生物标志物。本研究目的将高敏心肌肌钙蛋白T(hs-cTnT)引入到临床并定义高敏心肌肌钙蛋白T在什么情况下会升高。使用Elecsys肌钙蛋白T高敏检验方法。

最新SWEDEHEART注册分析数据显示,新型高敏心肌肌钙蛋白试验能够识别大部分患者(多无心梗)的心肌肌钙蛋白微量升高。

研究人员对48594名因疑似急性冠脉综合征入院的患者进行了分析。根据患者高敏心肌肌钙蛋白T水平进行分类,第一组<6 ng/L ;第二组6 ng/L~13 ng/L;第三组14 ng/L~49 ng/L(一组中,大多数患者都会有心肌肌钙蛋白T与年长的化验);第四组≥50 ng/L。

第1,2,3,4组分别有5790名 (11.9%), 6491名 (13.4%), 10476 名(21.6%)和25837名 (53.2%)患者。使用Elecsys肌钙蛋白T高敏检验方得在第1-4组中,心梗患者占不同高敏心肌肌钙蛋白水平群体的百分比,分别为2.2%, 2.6%, 18.2%和81.2%。在随访期间,患者显著冠脉狭窄、左心室收缩功能不全与死亡的比例逐步增加。根据高敏心肌肌钙蛋白水平将患者分为20组时,高敏心肌肌钙蛋白T水平在14 ng/L时的校正死亡率升高。心肌肌钙蛋白含量升高的患者发生缺血事件的风险会升高。

原始出处

Melki D1, Lugneg?rd J2, Alfredsson J3, Lind S4, Eggers KM2, Lindahl B2, Jernberg T5.Implications of Introducing High-Sensitivity Cardiac Troponin T Into Clinical Practice: Data From the SWEDEHEART Registry.J Am Coll Cardiol. 2015 Apr 28

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    2016-04-09 hbwxf
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    2015-06-04 heli0118
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    2015-06-02 jasonuclear

    0

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    2015-06-02 hbwang006

    研究很多

    0

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