Objective: To analyze the clinical value of respiratory trainer-assisted rehabilitation training in GOLD3 patients with chronic obstructive pulmonary disease (COPD) at stable stage. Methods: In total, 97 patients with GOLD 3 in stable COPD admitted to our hospital were selected and randomly divided into 2 groups, 48 cases in the control group and 49 cases in the study group. The control group received conventional rehabilitation training, and the study group underwent respiratory trainer-assisted conventional rehabilitation training. The efficacy of the 2 groups was assessed using a pulmonary function tester, 6-minute walking distance (6MWD), St George’s respiratory questionnaire (SGRQ), modified British Medical Research Council dyspnoea index (mMRC) and chronic obstructive pulmonary disease assessment test (CAT) scale before and after 3 months of intervention, respectively, and the pulmonary function indexes before and after intervention were compared between the 2 groups, including the percentage of the first-second forceful expiratory volume (FEV1) to the predicted value as a percentage of predicted value (FEV1%), forceful lung capacity (FVC), and the ratio of FEV1 to FVC (FEV1/FVC). The exercise endurance, quality of life, dyspnoea and the number of acute exacerbations of COPD in the 2 groups were compared before and after the intervention and 3 months after the intervention. Results: After 3 months of intervention, the FEV1% in the 2 groups was higher than that before intervention (P<0.01,0.05), and the FEV1%, FVC, FEV1/FVC levels, and 6MWD in the study group were greater than those of the pre-intervention and control group (P<0.01,0.05), and the difference in the FVC, FEV1/FVC levels, and 6MWD of the control group before and after the intervention was not statistically significant. SGRQ, mMRC, and CAT scores after intervention in both groups were lower than before intervention (P<0.01), and those in the study group were lower than in the control group (P<0.01). The number of acute exacerbations in the study group was less than that in the control group after 3 months of intervention (P<0.01). Conclusion: Respiratory trainer-assisted rehabilitation training has a positive effect on improving lung function, exercise endurance and quality of life in GOLD 3 patients with stable COPD. |