Objective: To evaluate the effects of external diaphragm stimulation therapy based on ultrasound on pulmonary function, diaphragm function and withdrawal time in patients with COPD acute exacerbation. Methods: 106 patients with acute exacerbation of COPD in our department from October 2022 to June 2024 were selected as the study objects and grouped according to random number table method. The control group (53 cases) received conventional treatment, and the observation group (53 cases) received external diaphragm stimulation therapy based on ultrasound evaluation. The pulmonary function, diaphragm function and withdrawal time of the two groups were compared. Results: After treatment, the maximum volume, forced expiratory volume in the first second, forced vital capacity ratio, forced expiratory volume in the first second to forced vital capacity ratio were increased in the two groups, and the observation group was higher (P<0.05). After treatment, the end expiratory diaphragm thickness, end inspiratory diaphragm thickness, diaphragm thickening fraction and diaphragmatic activity were increased in both groups, and were higher in the observation group (P<0.05). After treatment, the withdrawal time and average hospitalization time of the observation group were shorter than those of the control group (P<0.05). Conclusion: Extracorporeal diaphragm stimulation based on ultrasound evaluation can improve lung function and diaphragm function in patients with COPD acute exacerbation, and can shorten the withdrawal time.
Keywords:Ultrasound; External diaphragm stimulation therapy; Copd; Lung function; Diaphragm function