The colour Doppler, balloon exploration of the detective and a catheter scale examination of the foam plug were used for choice of patients, measurement of PDA dilated diameter and plug closure. 以彩色多普勒,球囊导管探测PDA大小,结合导管尺测量塞子并实施堵塞术。
Study the Relationship between Pulmonary Blood Flow and Left Atrium Presure by Doppler Echocardiography before and after Balloon Mitral Valvuloplasty 二尖瓣狭窄球囊扩张术前、后肺静脉血流和左房压力的关系
Spectral Doppler Study on Effect of Mitral Balloon Valvoplasty on Severe Pulmonary Hypertension 频谱多普勒对二尖瓣球囊瓣膜成形术47例的疗效评价
In vitro validation of tissue Doppler imaging of left ventricular regional wall velocities using a novel balloon phantom 多普勒组织成像研究左室壁节段性运动速度&应用新型的左心室模型体外试验