Abstract
Airway clearance consists of two linked processes: mucociliary clearance and cough clearance. Patients with neuromuscular weakness are at risk for impaired cough clearance and therefore the development of pneumonia and atelectasis. Aiding airway clearance in the patient with neuromuscular weakness is critical to the maintenance of health and the prevention of significant respiratory morbidity. This can be achieved using both manual and mechanical techniques. This review will discuss the physiology of cough and the mechanics of aiding cough clearance in the patient with neuromuscular weakness. In addition, technologies and techniques used to improve mucociliary clearance will also be discussed. Newer technologies such as mechanical insufflation-exsufflation have gained widespread acceptance in the management of airway clearance in the patient with neuromuscular weakness.
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