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Airway clearance therapy is treatment that uses a number of airway clearance techniques to clear the respiratory airways of mucus and other secretions. [1] Several respiratory diseases cause the normal mucociliary clearance mechanism to become impaired resulting in a build-up of mucus which obstructs breathing, and also affects the cough reflex.
Chest wall oscillation is when devices are used in airway clearance therapy to clear excess mucus from lung airways (bronchi and bronchioles).It is principally used in the treatment of cystic fibrosis, but is gaining use in the treatment of other diseases, such as bronchiectasis, COPD, cerebral palsy and muscular dystrophy, in which excessive mucus can block airways due to excessive production ...
If secretions are cleared from larger airways, airway resistance and obstruction should decrease. Clearance of secretions and improved ventilation of small airways should increase lung compliance. If clearance of secretions from both large and small airways occurs, it is reasonable to assume that the work of breathing and oxygen consumption ...
Pulmonary hygiene, also referred to as pulmonary toilet, [1] is a set of methods used to clear mucus and secretions from the airways.The word pulmonary refers to the lungs.The word toilet, related to the French toilette, refers to body care and hygiene; this root is used in words such as toiletry that also relate to cleansing.
Mucociliary clearance has a major role in pulmonary hygiene. MCC effectiveness relies on the correct properties of the airway surface liquid produced, both of the periciliary sol layer and the overlying mucus gel layer, and of the number and quality of the cilia present in the lining of the airways. [3] An important factor is the rate of mucin ...
Any of these effects could improve airway clearance during coughing. [citation needed] In general, clearance ability is hampered by the bonding to surfaces (stickiness) and by the viscosity of mucous secretions in the lungs. In turn, the viscosity is dependent upon the concentration of mucoprotein in the secretions.
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[3] [17] Airway clearance techniques, a type of physical therapy, are also recommended. [18] Medications to dilate the airways and inhaled steroids may be used during sudden worsening, but there are no studies to determine effectiveness. [3] [19] There are also no studies on the use of inhaled steroids in children. [19]