【摘要】：目的:研究心肌壞死生化標(biāo)志物在多發(fā)性肌炎和非ST段抬高型心肌梗死中的鑒別診斷價值。方法:回顧性分析我院近10年收治的49例多發(fā)性肌炎和發(fā)病12~24h入院的102例非ST段抬高型心肌梗死患者,收集其肌酸激酶(CK)、肌酸激酶同工酶(CK-MB)、心肌肌鈣蛋白Ⅰ(cTnI)等指標(biāo),并計算CK/CK-MB、CK/cTnI、CK-MB/cTnI比值,分析兩組患者之間是否存在差異及2.5%、97.5%百分位數(shù)。結(jié)果:兩組患者之間上述指標(biāo)均有明顯差異,但CK、CK-MB、CK/CK-MB三項指標(biāo)兩組之間數(shù)據(jù)重疊較多,cTnI、CK/cTnI、CK-MB/cTnI3項指標(biāo)兩組之間無數(shù)據(jù)重疊。結(jié)論:cTnI和CK/cTnI、CK-MB/cTnI比值是鑒別多發(fā)性肌炎和非ST段抬高型心肌梗死的重要生化指標(biāo)。
[Abstract]:Objective: to study the value of biochemical markers of myocardial necrosis in the differential diagnosis of polymyositis and non-ST segment elevation myocardial infarction. Methods: 49 patients with polymyositis and 102 patients with non-ST segment elevation myocardial infarction admitted to hospital in recent 10 years were analyzed retrospectively. The indexes of creatine kinase (CK), creatine kinase isoenzyme (CK-MB) and cardiac troponin 鈪，

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