Does COPD lead to hypercapnia?

Chronic obstructive pulmonary disease (COPD) is characterized by persistent and irreversible airflow restriction, resulting in impaired lung ventilation and ventilation, resulting in hypoxia and carbon dioxide retention, further hypercapnia and hypoxemia, and ultimately respiratory failure. The treatment of COPD requires individualized grading according to the severity of the patient's condition. It mainly corrects hypoxemia and respiratory acidosis, thus alleviating symptoms, reducing complications and maximizing patient survival. It is necessary to quit smoking at ordinary times and prevent inhalation of harmful particles and gases.