Randomized control study of sequential non-invasive following short-term invasive mechanical ventilation in the treatment of acute respiratory distress syndrome as a result of existing pulmonary diseases in elderly patients

OBJECTIVE: To evaluate the feasibility and the efficacy of sequential non-invasive mechanical ventilation (MV) following short-term invasive MV in the treatment of acute respiratory distress syndrome (ARDS) consequent to pulmonary diseases in the elderly patients