This creates oscillations against the patient’s thorax and chest wall, which help to loosen and mobilize secretions for removal. It involves the use of an inflatable vest that is connected to a machine that provides intermittent compressions of the chest. High-frequency chest wall compression (HFCW) is a type of therapy commonly used in patients with cystic fibrosis. Not to mention, it also helps mobilize secretions, which is why movement and physical activity are considered types of airway clearance therapy. Movement, physical activity, and being mobile helps improve the patient’s ventilatory mechanics, heart rate, cardiac output, and improved physical conditioning. It is often used in conjunction with other airway clearance techniques, such as positive expiratory pressure (PEP) therapy or chest physiotherapy (CPT). Autogenic DrainageĪutogenic drainage is an airway clearance technique that utilizes different speeds of breathing at different volumes in order to loosen and mobilize secretions into the larger airways for removal. Once mucus reaches the larger airways, then it can be removed by coughing or suctioning. This essentially creates a pressure gradient that helps with the movement of secretions. PEP therapy is an airway clearance technique where the patient exhales against backpressure to help mobilize secretions into the larger airways. It includes chest percussion and vibration, directed coughing, positioning techniques, and other types of breathing and conditioning exercises. Chest physiotherapy (CPT) is a form of therapy that is designed to help clear secretions, improve ventilation, and strengthen the respiratory muscles of breathing.
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