Colour Doppler evaluate pulmonary artery pressure(PAP) preoperation and monitor pulmonary artery pressure(PAP),central venous pressure (CVP),continuous cardiac output(CCO) with Swan-Ganz at intraoperation and postoperation.

• 术前受者超声心动图估测肺动脉压力(PAP),术中、术后Swan-Ganz导管监测肺动脉压力、中心静脉压、连续心排量(PAP、CVP、CCO)。