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目的评价平板运动试验对川崎病(KD)并冠状动脉损害的诊断价值。方法采用美国GE公司生产的T2100活动平板对本院2008年4月-2009年4月诊断为KD且存在冠状动脉损害的32例患儿进行平板运动试验。男27例,女5例;年龄4.5～14.0岁。均符合KD诊断标准,超声心动图均提示存在冠状动脉损害。结果32例患儿除2例出现严重面色苍白,体力不支不能耐受外,余30例均出现不同程度的ST段改变:其中出现ST段改变达到阳性标准14例;出现ST段改变未达到阳性标准8例;出现收缩压下降≥10mmHg(1mmHg=0.133kPa)5例;出现典型心绞痛3例。且ST段改变与冠状动脉病变程度高度相关。结论平板运动试验用于KD并冠状动脉损害患儿的随访与诊断,可重复多次检查,是一种安全可行的评价冠状动脉病变的非侵入性检查方法。
Objective To evaluate the diagnostic value of treadmill exercise test in patients with Kawasaki disease and coronary artery lesions. Methods Thirty-two children with KD diagnosed with coronary artery lesion who were diagnosed as KD from April 2008 to April 2009 in our hospital were tested on treadmill T2100 manufactured by GE Company. 27 males and 5 females; aged 4.5 to 14.0 years old. All meet the KD diagnostic criteria, echocardiography are prompted the existence of coronary artery lesions. Results 32 cases of children with severe pale complexion, physical incompetence can not tolerate, the remaining 30 cases showed varying degrees of ST segment changes: ST segment changes in which the positive standard occurred in 14 cases; ST segment changes did not reach the positive Standard in 8 cases; systolic blood pressure decreased ≥ 10mmHg (1mmHg = 0.133kPa) in 5 cases; typical angina in 3 cases. The change of ST segment is highly correlated with the severity of coronary artery disease. Conclusion The treadmill exercise test is a safe and feasible noninvasive method to evaluate coronary artery disease in children with KD and coronary artery lesion.