Conclusion Color Doppler echocardiography is very important in structural and hemodynamic study of RVOT reconstruction with valved BJVC in cyanotic congenital heart disease. 結論超聲心動(dòng)圖在復雜紫紺先心病行牛頸靜脈帶瓣管道重建右心室流出道的結構及血流動(dòng)力學(xué)變化中起著(zhù)非常重要的作用。