Chest physiotherapy also known as chest physical therapy (CPT ) is a treatment that helps to remove the excess secretions (also called mucus, phlegm, sputum ) from inside the lungs, by physical means. It is used to assists a cough, re- educate breathing muscles to try to improve ventilation of the lungs. For some people, this treatment is only needed for a short time after a lung illness. Others with chronic lung diseases will need to perform this treatment daily because they have a lot of mucus to the upper airways where it can be coughed out. This reduces the chance of lung infection and makes breathing more comfortable.
The lungs are kept moist with a thin film of fluid to stop them drying out. When there is a chest infection or occasionally in other situations, this fluid increases and become thick and putrid. In the normal situation, these secretions are removed by coughing but in the presence of weakness, or in chronic lung disease, this is not always possible. Although antibiotics can control the infection, they do not remove the secretions that occur. Some will be reabsorbed into the body but very thick ones will remain. It is important to remove the secretion to allow more effective breathing and increase the amount of oxygen getting into the body.
Patients who may receive chest physiotherapy include those with cystic fibrosis, neuromuscular diseases (such as Guillain-Barré syndrome), progressive muscle weakness (such as myasthenia gravis), or tetanus. People with lung diseases such as pneumonia, bronchitis, and some forms of chronic obstructive pulmonary disease (COPD), including chronic bronchitis, also benefit from chest physiotherapy. CPT should not be used in the treatment of patients diagnosed with asthma.
People without specific lung problems but who are likely to aspirate their mucous secretions because of diseases such as cerebral palsy or muscular dystrophy also receive chest physical therapy, as do those who are bedridden or confined to a wheelchair. In addition, CPT may be part of treatment after surgery for patients who develop difficulty taking deep breaths.
CPT is usually done in conjunction with other treatments to rid the airways of secretions. These other treatments include suctioning, nebulizer treatments, and the administration of expectorant drugs.
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