How many hours a day should home oxygen be worn?

15 hours, or all day?: REDOX trial provides guidance

The benefits of supplemental oxygen for chronic hypoxemia were established in two randomized trials from the 1970s enrolling only 290 patients in total.

Few studies have had an impact as immense and far-reaching.

Long-term supplemental oxygen soon became the standard care for all people with chronic hypoxemic respiratory failure from COPD. The indication…