Recently,many new research progresses have been acquired in the use of NPPV on COPD patients with nocturnal hypoxaemia, respiratory muscle fatigue or sleep apnea syndrome.

本文就无创气在COPD稳定期特别是存在夜间低气、呼吸疲劳或合并阻塞性睡眠呼吸暂停综合征的应用研究进展作一综述。