Oxygen is necessary for all aerobic life, and nothing is more important in respiratory care
than its proper understanding, assessment, and administration. By the early 1970s PaO2 …

After documenting that the measured flow from a portable liquid oxygen device was different
from the set flow and that this difference caused hypoxemia In a patient with chronic …

The demand oxygen delivery system has been reported to improve oxygen delivery 7: 1 vs
steady flow during rest and exercise in COPD patients. The present study evaluates the …

Just over 100 years ago, John Scott Haldane published a seminal report about the
therapeutic potential of supplemental oxygen to treat hypoxemia. In the 1980s, a pair of …

Background: Inconsistencies in oxygen therapy recommendations in acute exacerbation of
chronic obstructive pulmonary disease (COPD) may result in variability in emergency …

Objectives: The aim of this study was to assess the performance of four demand oxygen
delivery systems (DODS) in improving oxygenation and effort tolerance, at rest and during …

BACKGROUND: Supplemental oxygen is designed to raise alveolar PO2 to facilitate
diffusion into arterial blood. Oxygen is generally delivered by nasal cannula either by …

Background Chronic obstructive pulmonary disease (COPD), a leading cause of morbidity
and mortality in the developed world, is characterised by acute deterioration in symptoms …

Oxygen treatment based on intermittent-flow devices with pulse delivery modes available
from portable oxygen concentrators (POCs) depends on the characteristics of the delivered …

Purpose: While home oxygen therapy increases survival in patients with chronic obstructive
pulmonary disease (COPD) who have severe resting hypoxemia, recent evidence suggests …