Objective: To explore the effect of invasive and sequential non-invasive mechanical ventilation in flail chest combined with pulmonary contusion.
目的：探讨有创与无创序贯性机械通气治疗连枷胸合并肺挫伤的效果。
2
Objective: to observe the efficacy of sequential mechanical ventilation on neonatal respiratory distress syndrome (NRDS).
目的：观察序贯机械通气疗法治疗新生儿呼吸窘迫综合征(NRDS)的疗效。
3
Objective to explore the methods and evaluate the efficacy of sequential mechanical ventilation of the invasive and noninvasive in COPD patients with exacerbated respiratory failure.