方法采用美国HP5500及飞凡彩色多普勒超声诊断仪，观察166例老年退行性心脏瓣膜病患者的心脏结构及心功能变化。
Methods The cardiac structure and functional changes of the 166 cases of senile degenerative heart valvular diseases were studed with HP5500(USA) and En Visor color doppler(Philips).
方法用荧光免疫法测定血浆BNP水平，用心脏彩色多普勒超声诊断仪测定左室功能以及肱动脉血流调节的扩血管反应（FMD）。
Methods BNP levels were measured by immunofluorescence assay. Color doppler echocardiography was performed to measure the left ventricular function and FMD.
方法用荧光免疫法测定血浆BNP水平，用心脏彩色多普勒超声诊断仪测定左室功能以及肱动脉血流调节的扩血管反应（FMD）。
Methods BNP levels were measured by immunofluorescence assay. Color doppler echocardiography was performed to measure the left ventricular function and FMD.
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