A change from high-flow to titrated oxygen therapy in the prehospital setting is associated with lower mortality in COPD patients with acute exacerbations: an observational cohort study
Bentsen, L.P.; Lassen, A.T.; Titlestad, I.L.; Brabrand, M.
Acute Medicine 19(2): 76-82
2020
ISSN/ISBN: 1747-4892 PMID: 32840257 Document Number: 18131
The aim of this study was to investigate 30-day mortality for COPD patients treated by ambulances in the period before and after implementation of a pre-hospital oxygen protocol. Prehospital High-flow oxygen was used from April to September 2012 and titrated oxygen from April to September 2013. Primary outcome was 30-day mortality. 707 patients were included; 209 in the high-flow group and 498 in the titration group. Of these, 56 and 132 arrived with acute exacerbation (AE). Overall 30-day mortality was 11.5% vs. 9.4% (p=0.41), respectively. For patients with AE, it was 19.6% vs. 4.6% (p=0.001). Change of treatment protocol is associated with a lower 30-day mortality for patients registered with acute exacerbation, but not for all COPD patients.
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