Effect of airflow restriction on pulmonary rehabilitation after acute exacerbation of chronic obstructive pulmonary disease
Objective To evaluate the effects of airflow limitation(AL)on acute exacerbation of COPD(AECOPD).Effects of pulmonary rehabilitation(PR)in patients with AECOPD.Methods Using the retrospective study method,242 patients with AECOPD hospitalized in Nanyang the First People's Hospital from July 2020 to April 2022 were selected and divided into 4 groups according to their AL degree:first,second,third and fourth.General data and lung function and blood gas indexes before and after PR were compared and analyzed among the 4 groups.Results ① There were statistical-ly significant differences in age(older in the third group)and smoking index(smoking volume was proportional to the lung function grade value,and the larger the lung function grade value,the more smoking volume)(P＜0.05).② After PR rehabilitation,the pulmonary function indexes of all groups were significantly improved,and the improvement range of high-grade AL patients was greater,and the difference of various indexes among the 4 groups was smaller,with no statis-tical significance(P＞0.05).Two indexes,such as PaO2 and PaCO2,were significantly improved in the 4 AL groups with different degrees,and the improvement range was greater in the high-grade AL patients,and the difference between the 4 groups was smaller,with no statistical significance(P＞0.05).③ There was no significant correlation between AL degree(grade 1,2,3,4)and pulmonary function indexes after PR,nor was there significant correlation between AL degree and blood gas indexes after PR,which was mutually supported by the corresponding comparative results above.Conclusion The degree of AL does not affect the efficacy of PR in AECOPD patients.
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