新生儿肺气漏指肺泡内空气外逸形成的症候群 ,包括气胸、肺间质积气、纵隔积气及心包积气等 ,极为少见的尚有气腹及空气栓塞。同一患儿常有一个以上气漏症 ,发生率占新生儿的 1%～ 2 % ,但具有临床症状者仅 0 0 5 %～0 0 7% [1] 。1　肺气漏的发病机制及高危因素气漏多发生于 Neonatal lung leakage refers to the alveolar air escape syndrome, including pneumothorax, interstitial gas accumulation, mediastinal accumulation of gas and pericardial pneumatosis, is extremely rare, there are pneumoperitoneum and air embolism. The same child often has more than one air leak, the incidence of 1% to 2% of newborns, but those with clinical symptoms were only 0 0 5% ~ 0 0 7% [1]. 1, the pathogenesis of pulmonary air leaks and high risk factors occur in air leakage