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High-flow oxygen cuts ventilator use, speeds COVID recovery

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The use of high-flow oxygen through a nasal cannula significantly reduced the need for invasive mechanical ventilation and sped time to recovery among hospitalized COVID-19 patients, compared with conventional oxygen therapy, according to a multicenter randomized clinical trial published yesterday in JAMA.Researchers in Colombia and Brazil studied the outcomes of 220 patients with severe COVID-19 randomly assigned to either high-flow oxygen or conventional oxygen therapy in emergency and intensive care units in three Colombian hospitals from August 2020 to January 2021.

Patients were followed until Feb 10, 2021.The high-flow technique delivers a mixture of heated and humidified oxygen and air through the nose at high flow rates, while

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