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运动平板负荷试验的现状与趋势

The Current and Trend of Treadmill Exercise Test
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摘要 运动试验是评价缺血性心脏病病人的诊断及预后的一种重要的无创性检测手段.最常用于评价预后.判定运动能力,患冠心病的可能性与程度及疗效的判定。对被选择的病人而言,代谢性血气分析,药物,放射性核素显像,超声心动图等辅助检查技术可增加运动试验的信息内容。运动试验,最主要的特征是通过测定受试者的运动能力,来帮助建立冠状动脉疾病的诊断,评价其预后。对冠状动脉介入后再狭窄的评估有一定预测价值。其中急性心肌梗死患者接受运动试验的时间已前移至梗塞后3天。严重高血压和流出道梗阻型心肌病已列为相对禁忌症,既往认为可行运动试验的先天性完全房室传导阻滞列入相对禁忌症。运动试验的诊断指标评价,除运动诱发的ST段压低,ST段抬高:最大ST/心率斜率外:运动中QT离散度QTd和OTcd的变化可提高运动试验的准确性。运动试验对无症状者或低危人群用运动试验来筛选冠心病的价值很小,对有症状患者,无症状性心肌缺血,不稳定性心绞痛,心肌梗死,有诊断及预测价值。对老年性非胰岛素依赖性糖尿病(NIDDM)及早期收缩期高血压的患者有助于早期发现冠心病。 Treadmill exercise is an important method to diangnose and evaluate the prognosis of coronary heart disease. It will become more creditahility if connected with echocardiography and SPECT. It also very useful to evaluate the restenosis of coronary artery after PTCA or stent. And the change of QT dispersion during the test may improve the veracity of treadmill exercise test beside the traditional diagnosis index such as ST segment depression.
作者 巩燕
出处 《中国心血管杂志》 2001年第1期50-53,共4页 Chinese Journal of Cardiovascular Medicine
关键词 运动平板负荷试验 方法 指标 价值 treadmill exercise test method index value
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