After 15-day treatment, the respiratory parameters were frequency 22 times/min, AO2sat99.7%,pH7. 369, Po233. 6kPa, Pco23. 9kPa, k24. 52mmol/L, Hct33% .

• 治疗15天后；自主呼吸明显改善；频率每分钟22次；缺氧症状消失; O_2sat99.；7%25；pH7