What treatment for patients with COPD has been shown to improve long-term survival?

Question

Quizplus · Accepted Answer

Supplemental oxygen has been shown to improve long-term survival in patients with COPD by reducing hypoxemia and subsequent complications. While bronchodilators and corticosteroids provide relief from symptoms, they have not been shown to improve survival. Mechanical ventilation may be used in acute exacerbations but is not a long-term treatment for COPD.

What Treatment for Patients with COPD Has Been Shown to Improve