In 2 patients with ASD and PS,the systolic pressure across the pulmonary valve decreased from 48mmHg and 54mmHg to 7mmHg and 10mmHg after intervention.

• 2例合并PS者,跨肺动脉瓣压差由术前48 mmHg、54 mmHg下降到术后7 mm-Hg1、0 mmHg。