Effects of Pulmonary Rehabilitation on Disease Control, Quality of Life, and Functional Capacity of Individuals with Severe Asthma
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Asthma, Quality of Life, Rehabilitation, Functional CapacityResumo
Severe asthma is a chronic airway inflammation characterized by remodeling, hyperresponsiveness, and persistent symptoms, resulting in high morbidity. Pulmonary rehabilitation has been shown to improve ventilatory capacity, reduce symptoms, and modulate inflammation, with physical exercise exerting important anti-inflammatory effects. Bradykinin and other kinins play a role in bronchoconstriction and airway inflammation, and understanding this relationship may broaden therapeutic strategies. This study aimed to evaluate the impact of pulmonary rehabilitation on disease control, quality of life, and functional capacity of individuals with severe asthma. Twenty-one patients diagnosed with severe asthma according to GINA criteria, aged between 20 and 60 years, without comorbidities and under continuous medication use for at least six months, were included. Asthma control was assessed using the Asthma Control Questionnaire (ACQ7), quality of life through the Asthma Quality of Life Questionnaire (AQLQ), and functional capacity with the six-minute walk test following American Thoracic Society (ATS) guidelines. Data normality was tested with Kolmogorov-Smirnov, and comparisons were performed using Student’s t-test, with significance set at p<0.05. Results demonstrated significant improvements in overall quality of life (p<0.003), symptoms (p<0.001), and environmental stimuli response (p<0.02). No significant differences were observed in daily activity limitations (p=0.3822). Emotional function improved significantly (p<0.02). Asthma control, assessed by ACQ7, showed a significant reduction in scores, indicating better disease management (p<0.02). Functional capacity also improved, with a significant increase in distance covered in the six-minute walk test (p<0.0004). In conclusion, pulmonary rehabilitation contributes to improvements in disease control, quality of life, and functional capacity in patients with severe asthma.
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