When airway obstruction was severe, PEF, V50, V25 were all lower on time.These changes was relating to small airway obstruction and muscular force.

　
英 美
  • 結論肺癌病人肺功能表現可有阻塞性通氣功能障礙，當氣道阻塞嚴重時(shí)，PEF、V50、V25可同時(shí)下降，說(shuō)明PEF的下降可與小氣道的阻塞有關(guān)，V50下降也可與用力大小有關(guān)。
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