How can COPD patients potentially extend their life expectancy?

For COPD patients, extending life expectancy is significantly influenced by lifestyle choices and management strategies. Among the options provided, the use of oxygen therapy can be a critical component of treatment for those experiencing severe hypoxemia. Administering supplemental oxygen can help improve oxygen saturation levels, alleviate symptoms, and enhance overall quality of life.

That said, while oxygen therapy is essential for managing specific cases of COPD, it is important to note that it primarily serves as a treatment to manage symptoms and maintain stability, rather than a direct method to prolong life expectancy by itself.

When considering overall impacts on longevity, smoking cessation, which is not selected here, is often regarded as one of the most effective ways to substantially improve life expectancy in COPD patients. Quitting smoking can slow the progression of the disease and reduce the risk of mortality.

Increased physical activity can also contribute positively to pulmonary health and functional capacity, and the use of inhaled corticosteroids is beneficial for reducing inflammation in the lungs. However, among the provided options, oxygen therapy stands out as a critical measure for immediate management in those with advanced stages of COPD who require supplemental oxygen to improve their health status.

In light of these nuances, while oxygen therapy is effective in managing symptoms, the broader