JOURNAL ARTICLE

High-flow nasal cannula oxygen therapy to treat patients with hypoxemic acute respiratory failure consequent to SARS-CoV-2 infection

Andrea Vianello, Giovanna Arcaro, Beatrice Molena, Cristian Turato, Andi Sukthi, Gabriella Guarnieri, Francesca Lugato, Gianenrico Senna, Paolo Navalesi
Thorax 2020 July 23
32703883
This observational study aims to assess the outcome and safety of O2 -therapy by high-flow nasal cannula (HFNC) in 28 consecutive patients with severe hypoxemic acute respiratory failure (hARF) consequent to SARS-CoV-2 infection, unresponsive to conventional O2 -therapy. Nineteen patients had a positive response. Nine patients required escalation of treatment to non-invasive ventilation (five subsequently intubated). None of the staff had a positive swab testing during the study period and the following 14 days. Severity of hypoxemia and C reactive protein level were correlated with HFNC failure. These data suggest HFNC to be a safe treatment for less severe patients with SARS-CoV-2 hARF and efficacy will need to be assessed as part of a clinical trial.

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