Right ventricle ejection fraction(RVEF)and velocity of pulmonary(Vpa)were significantly lower in patient group. Right atrium(RA)and right ventricle(RV)were enlarged in patient group.

• 结果病例组右室射血前期/射血加速时间(RPEP/AT)明显延长,右心室射血分数(RVEF)、肺动脉最大血流速度(Vpa)降低,右心室(RV)、右心房(RA)扩大。