Treatment of Chronic Obstructive Pulmonary Disease (COPD)

Mar 08, 2021 Source: Cainiu Health

Dr. Guo Xiheng

Introduction

1. Pharmacotherapy: Commonly used medications include bronchodilators, β₂-adrenergic agonists, anticholinergics, and xanthine derivatives. 2. Oxygen therapy: The goal of oxygen therapy is to achieve adequate arterial oxygenation in patients at rest under sea-level atmospheric conditions. 3. Surgical treatment: Procedures such as bulla resection may alleviate dyspnea and improve pulmonary function in appropriately selected patients.

Chronic obstructive pulmonary disease (COPD) is a common chronic condition characterized by airflow obstruction, typically manifesting as chronic bronchitis and emphysema. It often progresses to cor pulmonale and respiratory failure and is associated with abnormal inflammatory responses triggered by exposure to harmful gases and particulate matter. So, what are the treatment options for COPD? Below, we address this question.

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Treatment Options for COPD

1. Pharmacological Therapy

Commonly used medications include bronchodilators, β2-adrenergic agonists, anticholinergics, and methylxanthines (e.g., theophylline). Additionally, COPD patients often produce excessive mucus in their airways, predisposing them to secondary infections and impairing airway patency. Expectorants may be administered to facilitate airway clearance and improve ventilation. Provided no significant adverse drug reactions or clinical deterioration occur, long-term, regular treatment at a stable therapeutic level should be maintained.

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2. Oxygen Therapy

The goal of oxygen therapy is to achieve a resting arterial partial pressure of oxygen (PaO₂) ≥60 mmHg at sea level, thereby sustaining vital organ function and ensuring adequate oxygen delivery to peripheral tissues. Long-term domiciliary oxygen therapy during stable COPD improves survival rates in patients with chronic respiratory failure and yields beneficial effects on hemodynamics, hematologic parameters, exercise capacity, pulmonary physiology, and mental status.

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3. Surgical Intervention

Bullae resection may alleviate dyspnea and improve pulmonary function in appropriately selected patients. Therefore, preoperative chest CT scanning, arterial blood gas analysis, and comprehensive assessment of respiratory function are critical in determining surgical candidacy. Lung volume reduction surgery (LVRS) can enhance exercise tolerance and health-related quality of life but does not prolong survival. It is primarily indicated for patients with marked, heterogeneous upper-lobe-predominant emphysema.

The above outlines the main treatment modalities for COPD. We hope this information proves helpful to you.

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Differences Between COPD and Emphysema

COPD encompasses chronic bronchitis and emphysema. Clinically, it primarily manifests as cough, sputum production, chest tightness, and wheezing; in severe cases, dyspnea and respiratory failure may occur. Pulmonary function tests in COPD patients show a marked decline. Pathologically, emphysema is characterized by reduced elasticity of the airways distal to the terminal bronchioles. In emphysema patients, pulmonary function testing primarily reveals an increased residual volume.

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Differences Between Asthma and COPD

Asthma and chronic obstructive pulmonary disease (COPD) differ in symptoms, pulmonary function, and treatment focus. Asthma is characterized by paroxysmal coughing, wheezing, dyspnea, or chest tightness, whereas COPD involves persistent airflow limitation, with patients typically experiencing chronic shortness of breath. Pulmonary function tests also differ: bronchodilator testing and bronchial provocation testing yield positive results in asthma patients.

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Which is more severe: COPD or emphysema?

It is not possible to determine which condition—COPD or emphysema—is more severe. COPD stands for chronic obstructive pulmonary disease. Generally, the coexistence of chronic bronchitis and emphysema is collectively referred to as COPD, since emphysema is one component of COPD. However, a diagnosis of emphysema alone does not equate to a diagnosis of COPD; rather, COPD diagnosis must be based on the patient’s clinical symptoms.

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Differences Between COPD and Emphysema