Nocturnal Noninvasive Ventilation.

The article focuses on developments related to the use of nocturnal noninvasive ventilation (NNV) to treat various forms of chronic respiratory failure or insufficiency. The NNV has been used mainly in the past to treat respiratory insufficiency in patients with neuromuscular disease (NMD) or chest wall deformity. Its also designed to treat obesity-hyperventilation syndrome, particularly on continuous positive airway pressure.