BackgroundAcute exacerbations of chronic obstructive pulmonary disease (AECOPD) are characterized by airflow limitation and marked airway/systemic inflammation, particularly in elderly patients.ObjectiveTo evaluate the association between terbutaline sulfate plus ambroxol hydrochloride and clinical outcomes, pulmonary function, and inflammatory biomarkers in elderly patients with AECOPD.MethodsThis single-center retrospective cohort study included hospitalized patients aged ≥60 years diagnosed w