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Chronic Obstructive Pulmonary Disease (COPD) is a progressiveinflammatory disease characterized by chronic obstruction in the peripheral bronchus and pulmonary emphysema. The disease is disabling with symptoms such as chronic cough, phlegm, wheezing, shortness of breath and increased infections of the respiratory passage. Changes in the lungs result in mucus hyper secretion, dysfunction of the cilia, airflow limitation and hyper inflation of the lungs, gas exchange abnormalities, pulmonary hypertension and cor pulmonale. Persons with COPD are greatly under estimated because the disease is usually not diagnosed until it is moderately advanced .Patients usually seek medical help when they have an acute respiratory infection, with dyspnea being the main concern. Dyspnea is often progressive, and initially occurs with exertion, gradually interferes with daily activities and in late stages dyspnea may be present at rest also. The person becomes more of a chest breather, relying on the intercostals and accessory muscles rather than effective abdominal breathing.
The objective of the study was, to assess the breathing pattern before and after pursed Lip breathing exercise among chronic obstructive pulmonary disease patients in control and experimental group. To evaluate the effectiveness of Pursed lip breathing exercise on the reduction of Dsypnea among chronic obstructive pulmonary disease patients in experimental group. To find out the association between the breathing pattern with selected demographic variables in the control and experimental group.