Compared with NSR group,patients in AF group had a lower rate of good immediate outcome of PBMV,a smaller post PBMV MVA and a higher post PBMV pulmonary artery mean pressure(PAMP)and left atrial mean pressure(LAMP).

• (2 )AF组PBMV即刻效果良好率明显低于NSR组 ,术后MVA明显小于NSR组 ,而术后肺动脉平均压 (PAMP)、左房平均压 (LAMP)明显高于NSR组。