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Efeito do exercicio aquatico na funcao respiratoria e capacidade funcional de pacientes com DPOC: um ensaio clinico randomizado (Effect of water exercise on the respiratory function and functional capacity of patients with COPD: a randomized controlled trial) [Portugese]
Gallo-Silva B, Cerezer-Silva V, Gullo Ferreira D, Iwai Sakabe D, Daniele Kel-Souza L, Cristina Bertholo V, Ferreira Brasil MT, Aparecida Moreno M
Fisioterapia em Movimento [Physical Therapy in Movement] 2024;37:e37121
clinical trial
5/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

INTRODUCTION: Chronic obstructive pulmonary disease (COPD) not only restricts airflow but also induces systemic manifestations in individuals with the disease. OBJECTIVE: To evaluate the effect of a water-based aerobic exercise program on respiratory muscle strength, thoracic mobility, dyspnea, and functional capacity in patients with COPD. METHODS: We conducted a blind randomized controlled trial with 22 patients with COPD, dividing them into a control group (CG) and a training group (TG). The TG participated in 24 sessions of a water aerobic exercise program, while the CG only participated in the evaluations. Maximal respiratory pressure (MRP), dyspnea, and functional capacity were measured. RESULTS: When comparing the MRP values (cmH2O) in the pre- and post-training conditions, the results revealed a significant improvement in the TG [maximal inspiratory pressure (MIP): 74.8 +/- 15.3 versus 83.9 +/- 17.2; maximal expiratory pressure (MEP): 141.5 +/- 30.7 versus 157.6 +/- 32.9), whereas no difference was observed for the CG (MIP: 55.5 +/- 21.8 versus 54.4 +/- 18.4; MEP: 116.2 +/- 40.3 versus 109.3 +/- 38.9). Regarding thoracic mobility in the pre- and post training conditions, no significant difference was found for the CG, whilst for the TG there was a significant increase at the axillary level (cm) (5.9 +/- 1.8 versus 7.7 +/- 1.1). With respect to functional capacity, there was a significant increase in walking distance during the six-minute walking test only in the TG when comparing pre- and post-training conditions (462.1 +/- 62.9 versus 538.5 +/- 63.7). Lastly, the dyspnea results demonstrated that after the training period there was a major reduction in the scores of Medical Research Council (3.1 +/- 0.8 versus 1.9 +/- 0.7) and Borg CR-10 scales (5.2 +/- 0.8 versus 3.7 +/- 0.3) only for the TG. CONCLUSION: The water aerobic exercise training promoted beneficial changes in respiratory muscle strength, thoracic mobility, functional capacity and dyspnea among patients with COPD.

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