ABSTRACT
Supplemental oxygen therapy is commonly used in patients with advanced chronic obstructive
pulmonary disease (COPD) and severe hypoxemia at rest. Use of oxygen in these patients
is justified by studies showing a mortality benefit.
However, the use of oxygen in other patients with advanced COPD has not clearly been
established. Long-term studies assessing not only mortality but also other outcomes
that are important to patients and physicians such as dyspnea, health status, and
exercise capacity are lacking. This article reviews the available studies of the use
of supplemental oxygen in patients with less severe hypoxemia at rest during the day,
hypoxemia occurring only at night, and hypoxemia occurring only with exercise. With
the knowledge that studies in patients with advanced COPD and less severe hypoxemia
are limited, recommendations are provided on oxygen use in these groups of patients.
KEYWORDS
Oxygen therapy - mortality - COPD - dyspnea - health-related quality of life
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Barry MakeM.D.
National Jewish Health, 1400 Jackson St.
K729, Denver, CO 80206
Email: makeb@njhealth.org