The tidal volume (VT) , VPTEF/VE , tPTEF/tE and TEF25% remaining were significantly decreased before therapeutics, while the respiratory rate (RR) ,function residual capacity (FRC) and resistance effective (Reff) were increased.

• 毛支治疗前潮气量 ( VT)、达峰容积比 ( VPTEF/VE)、达峰时间比 ( t PTEF/t E)、2 5%25潮气量时的潮气呼气流速 ( TEF2 5%25 )下降 ,呼吸频率 ( RR)、功能残气量 ( FRCpleth)、有效呼吸道阻力 ( Reff )增加 ;