<unk>  may be indicated for patients who are at risk for developing atelectasis and who are unable or unwilling to breathe deeply without assistance. In patients with severe lung hyperinflation,<unk>  may decrease dyspnea and discomfort during nebulized therapy.
Intermittent positive pressure breathing
Positive airway pressure
Continuous positive airway pressure
Intermittent hypoxic training
Surfactant therapy
Intermittent mandatory ventilation
Mechanical ventilation
High-frequency ventilation