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应用多普勒超声心动图测定了５５例支气管哮喘患儿和４１例正常小儿的右心舒张功能各指标进行对照。结果表明：正常和支气管哮喘患儿的右心舒张功能各指标有显著性差异；婴幼儿哮喘与儿童哮喘的右心舒张功能仅部分指标差异有显著性；重型较轻型支气管哮喘者右心舒张功能显著下降。提示：①支气管哮喘时患儿存在右心舒张功能异常，且随着病情的进展，其右心舒张功能显著下降。②年龄对支气管哮喘患儿心脏功能的影响不明显。③多普勒超声心动图是一种简便、易行的无创性心功能测定方法，值得临床广泛使用
Doppler echocardiography was used to measure the right ventricular diastolic function in 55 children with bronchial asthma and 41 normal children. The results showed that there were significant differences in right ventricular diastolic function among children with normal and bronchial asthma. Only some of the indexes of right ventricular diastolic function between infants and young children with asthma were significant. Right ventricular diastolic function Decreased significantly. Tip: ① children with bronchial asthma present right ventricular diastolic dysfunction, and as the disease progresses, its right ventricular diastolic function decreased significantly. ② Age of children with bronchial asthma did not affect the cardiac function. ③ Doppler echocardiography is a simple, easy to measure noninvasive cardiac function, it is widely used in clinical