目的：运用多普勒肺血流频谱，观察不同术式的肺切除后右心后负荷及泵功能的变化情况。

Objective: To study on the changes of right cardiac afterload and right ventricle pumping function according to different operation ways after pulmonary resection by Doppler pulmonary flow spectrum.

youdao

目的：运用多普勒肺血流频谱，观察不同术式的肺切除后右心后负荷及泵功能的变化情况。

Objective: To study on the changes of right cardiac afterload and right ventricle pumping function according to different operation ways after pulmonary resection by Doppler pulmonary flow spectrum.

youdao