Application of pulmonary infection control window as switching point for sequential invasive to noninvasive ventilation in treatment of severe respiratory failure of chronic obstructive pulmonary disease: a randomized controlled study

• 以肺部感染控制窗为切换点行有创与无创序贯机械通气治疗慢性阻塞性肺疾病所致严重呼吸衰竭的随机对照研究