After treatment of half a year, Doppler echocardiography was used to measure E peak, A peak, E/A ratio,EDT,IVRT and calculate pulmonary venous velocity,S/D wave,S/D time ratio,AR wave and AR time.

• 治疗半年,经多普勒超声心动图测定患者治疗前后E峰、A峰、E/A比值、E峰下降时间(EDT)、左室等容舒张时间(IVRT)。