Bufei Wan for the Treatment of Post-Viral Pneumonia Pulmonary Function Impairment and Nodules
Expand
1.First Clinical Medical College, Beijing University of Chinese Medicine, Beijing 100700, China; 2.Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China; 3.Beijing Center for Integrative Oncology Minimally Invasive Medicine, Beijing 101121, China
Objective: To investigate the effects of Bufei wan on pulmonary function and pulmonary nodules in patients with Qi-yin deficiency following viral pneumonia. Methods: A total of 68 patients with Qi-yin deficiency syndrome after viral pneumonia, treated at the International Department of the Hospital between July 2023 and December 2024, were enrolled. A self-controlled design was adopted. Patients were administered Bufei wan orally for 30 d. Changes in traditional Chinese medicine (TCM) symptom scores, pulmonary function, pulmonary nodules, and safety indicators before and after treatment were observed. Results: After treatment, TCM symptom scores improved significantly (P<0.005). Clinical efficacy of TCM symptoms showed 0 cases cured, 2 markedly effective, 47 effective, and 19 ineffective. Vital capacity percentage (VC%), forced vital capacity percentage (FVC%), and forced expiratory volume in one second percentage (FEV1%) as well as FEV1/FVC showed improvement compared with before treatment (P<0.01). Although maximal voluntary ventilation percentage (MVV%) also improved, the difference was not statistically significant (P=0.061). The cross-sectional area of pulmonary nodules decreased significantly after treatment (P<0.05), although the reduction in nodule number was not statistically significant (P=0.895). Efficacy evaluation of pulmonary nodules showed 3 cases cured, 2 markedly effective, 7 effective, 9 stable, and 0 progressed. No serious adverse events occurred during treatment. Conclusion: This study demonstrates that a one-month treatment with Bufei wan effectively improved TCM symptoms such as cough, expectoration, dyspnea, chest tightness, and shortness of breath in patients with Qi-yin deficiency after viral pneumonia. It also enhances multiple pulmonary function parameters and contributes to the reduction of pulmonary nodule cross-sectional area. No serious adverse events occurred during treatment, indicating good safety. Bufei Wan may serve as an adjuvant therapy for promoting pulmonary function recovery and nodule improvement in this patient population.