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Objective To investigate the clinical characteristics of pulmonary hypertension(PH)in patients with chronic obstructive pulmonary disease(COPD)and study the related risk factors.Methods Patients with stable COPD were enrolled in this study,undergoing examinations including full pulmonary function tests(PFT),6-minute
Objective To investigate the clinical characteristics of pulmonary hypertension (PH) in patients with chronic obstructive pulmonary disease (COPD) and study the related risk factors. Patients Patients with stable COPD were enrolled in this study, undergoing examinations including full pulmonary function tests (PFT) , 6-minute