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ＢｉＰＡＰ呼吸机临床应用已较广泛。但关于ＢｉＰＡＰ呼吸机输出气氧含量的变化及由此对慢性阻塞性肺疾病 (ＣＯＰＤ)呼吸衰竭疗效的影响尚少系统报告。我们选择ＢｉＰＡＰ呼吸机不同的工作条件和向鼻罩内输入不同的氧流量时 ,测定患者咽部氧浓度并观察其对ＣＯＰＤ呼吸衰竭治
BiPAP ventilator clinical application has been more extensive. However, there is little systematic report on the changes of oxygen content in BiPAP ventilator and its effect on respiratory failure of chronic obstructive pulmonary disease (COPD). We chose BiPAP ventilator different working conditions and input different oxygen flow to the nasal mask, the determination of the patient’s throat oxygen concentration and observe its COPD respiratory failure treatment