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Non-invasive oxygenation strategies for respiratory failure with COVID-19: A concise narrative review of literature in pre and mid-COVID-19 era.
Ogawa, Kenta; Asano, Kengo; Ikeda, Junpei; Fujii, Tomoko.
  • Ogawa K; Intensive Care Unit, Jikei University Hospital, Tokyo, Japan.
  • Asano K; Intensive Care Unit, Jikei University Hospital, Tokyo, Japan.
  • Ikeda J; Department of Clinical Engineering Technology, Jikei University Hospital, Tokyo, Japan.
  • Fujii T; Intensive Care Unit, Jikei University Hospital, Tokyo, Japan. Electronic address: tofujii-tky@umin.net.
Anaesth Crit Care Pain Med ; 40(4): 100897, 2021 08.
Article in English | MEDLINE | ID: covidwho-1252365
ABSTRACT
The coronavirus disease 2019 (COVID-19) has spread globally and can cause a shortage of medical resources, in particular, mechanical ventilators. High-flow nasal cannula oxygen therapy (HFNC) and non-invasive positive pressure ventilation (NPPV) are frequently used for acute respiratory failure patients as alternatives to invasive mechanical ventilation. They are drawing attention because of a potential role to save mechanical ventilators. However, their effectiveness and risk of viral spread are unclear. The latest network meta-analysis of pre-COVID-19 trials reported that treatment with non-invasive oxygenation strategies was associated with improved survival when compared with conventional oxygen therapy. During the COVID-19 pandemic, a lot of clinical research on COVID-19 related acute respiratory failure has been reported. Several observational studies and small trials have suggested HFNC or NPPV as an alternative of standard oxygen therapy to manage COVID-19 related acute respiratory failure, provided that appropriate infection prevention is applied by health care workers to avoid risks of the virus transmission. Awake proning is an emerging strategy to optimise the management of patients with COVID-19 acute respiratory failure. However, the benefits of awake proning have yet to be assessed in properly designed clinical research. Although HFNC and NPPV are probably effective for acute respiratory failure, the safety data are mostly based on observational and experimental reports. As such, they should be implemented carefully if adequate personal protective equipment and negative pressure rooms are available.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Respiratory Insufficiency / Noninvasive Ventilation / COVID-19 Type of study: Observational study / Prognostic study / Reviews Limits: Humans Language: English Journal: Anaesth Crit Care Pain Med Year: 2021 Document Type: Article Affiliation country: J.accpm.2021.100897

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Respiratory Insufficiency / Noninvasive Ventilation / COVID-19 Type of study: Observational study / Prognostic study / Reviews Limits: Humans Language: English Journal: Anaesth Crit Care Pain Med Year: 2021 Document Type: Article Affiliation country: J.accpm.2021.100897