What is it about?
In this study, we investigated if patients without resting hypoxia or hypercapnia but with hyperinflation and desaturation during exercise can benefit from noninvasive ventilation in addition to oxygen in terms of exercise duration, dyspnea and recovery time.
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Why is it important?
Noninvasive ventilation during exercise can be beneficial in COPD patients, but it is unclear what phenotype has the best respond. NIV can decrease dynamic hyperinflation, improve gas exchange and decrease the work of breathing. In this study, we investigated if patients without resting hypoxia or hypercapnia but with hyperinflation and desaturation during exercise can benefit from noninvasive ventilation in addition to oxygen in terms of exercise duration, dyspnea and recovery time.
Perspectives
This study shows that NIV in addition to oxygen can be beneficial in COPD patients with normal blood gases but with hyperinflation and desaturation during exercise. They can walk longer, recovery is shorter and they experience less dyspnea. However, we showed great individual differences. We do not know the effects of NIV without oxygen. NIV should still be reserved for the more severe COPD patients.
Maud Koopman
Ciro
Read the Original
This page is a summary of: Oxygen and ventilation during exercise in hyperinflated desaturating COPD patients, September 2017, European Respiratory Society (ERS),
DOI: 10.1183/1393003.congress-2017.oa4874.
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