Analysis of Efficacy and Safety of Bailing Capsules Combined with Ipratropium Bromide for COPD with Cor Pulmonale

INTERVENTION: Control Group:Routine treatment + Ipratropium bromide;Observation group:Routine treatment + Ipratropium bromide + Bailing capsules; CONDITION: Cor pulmonale PRIMARY OUTCOME: Overall efficacy rate; SECONDARY OUTCOME: traditional Chinese medicine Syndrome Score;Pulmonary function indicators;Cardiac Function Indicators;heart‐type fatty acid‐binding protein;creatine kinase isoenzyme;Adverse reaction incidence rate; INCLUSION CRITERIA: (1) Western medicine diagnosis: Meeting the diagnostic criteria for chronic obstructive pulmonary disease (COPD) as defined in the "Guidelines for the Diagnosis and Treatment of Chronic Obstructive Pulmonary Disease (2013 Revised Edition)" , and meeting the diagnostic criteria for cor pulmonale as defined in the "Guidelines for the Diagnosis and Treatment of Chronic Cor Pulmonale at the Primary Care Level (2018)" . (2) Traditional Chinese Medicine (TCM) diagnosis: Meeting the diagnostic criteria for Qi deficiency and phlegm‐stasis syndrome as defined in the "Guidelines for the Diagnosis and Treatment of Chronic Obstructive Pulmonary Disease with Traditional Chinese Medicine (2011 Edition)" , and meeting the diagnostic criteria for phlegm‐dampness obstructing the lungs syndrome as defined in the "Guidelines for the Diagnosis and Treatment of Chronic Cor Pulmonale with Traditional Chinese Medicine (2014 Edition)" . (3) Age range: 35 years = age = 65 years. (4