Home Oxygen Therapy (HOT) in Stable Chronic Obstructive Pulmonary Disease (COPD) and Interstitial Lung Disease (ILD): Similarities, Differences and Doubts
Oxygen(2022)
Abstract
This narrative paper reviews the current knowledge of Home Oxygen Therapy (HOT) in stable Chronic Obstructive Pulmonary Disease (COPD) and Interstitial Lung Disease (ILD), two major causes of Long-Term Oxygen Therapy (LTOT) prescription. There is evidence that LTOT improves survival in COPD subjects with chronic severe respiratory failure. HOT is also used to contrast exercise and sleeping hypoxemia and to improve Quality of Life (QoL) and symptoms. Ambulatory Oxygen Therapy (AOT) did not assure generalized improvements in symptoms and Quality of Life (QoL) of COPD subjects. There is short-term evidence in a real-life study that AOT may improve QoL in ILD subjects with Exercise Oxygen Desaturation (EOD) and exertional dyspnea. There are some differences between guidelines and practices, which translate into variations in characteristics and rates of ILD and COPD subjects admitted to LTOT and AOT. Indications on titration of oxygen flow and the best oxygen delivery device for optimal management of AOT in COPD and ILD subjects are often vague or lacking. More work is needed for optimizing and customizing HOT in COPD and ILD subjects.
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Key words
Chronic Obstructive Pulmonary Disease (COPD),Interstitial Lung Disease,oxygen therapy,survival,dyspnea,devices
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