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目的探讨胸痛患者早期急性心肌梗死诊断中评估心脏肌钙蛋白T的测量为临床带来的诊断价值。方法 2010年1月至2010年5月门诊和住院的97例连续性急性缺血性胸痛患者,并根据美国心脏病学会指南对其进行分类,入院时心脏肌钙蛋白T血清水平检测和在症状出现后4h内的敏感性,可以提高急性心梗的检测率。结果 97例患者经过心脏肌钙蛋白T定量检测,假阳性率由11%降低到3%,阳性率为86%。结论测量心脏肌钙蛋白T,在症状出现的4h内会提高心肌梗死的检测敏感性和阳性预测值。
Objective To investigate the diagnostic value of cardiac troponin T in the diagnosis of early acute myocardial infarction in patients with chest pain. METHODS: Ninety-nine consecutive patients with acute ischemic chest pain who were outpatient and inpatient from January 2010 to May 2010 were categorized according to the American College of Cardiology guidelines. Cardiac troponin T serum levels were measured at hospital admission and at symptom 4h after the emergence of the sensitivity, can improve the detection rate of acute myocardial infarction. Results 97 cases of patients after cardiac troponin T quantitative detection, the false positive rate decreased from 11% to 3%, the positive rate was 86%. Conclusions Measurement of cardiac troponin T increases the detection sensitivity and positive predictive value of myocardial infarction within 4 h of symptom onset.