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Turbocharging NIV: how to increase oxygen delivery in home mechanical ventilators
  1. Georgios Kaltsakas1,2,3,
  2. Nicholas Hart1,2,3
  1. 1 Lane Fox Clinical Respiratory Physiology Research Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
  2. 2 Centre for Human & Applied Physiological Sciences, King's College London, London, UK
  3. 3 Lane Fox Respiratory Service, Guy's and St Thomas' NHS Foundation Trust, London, UK
  1. Correspondence to Dr Georgios Kaltsakas, Lane Fox Clinical Respiratory Physiology Research Centre, Guy's and St Thomas' NHS Foundation Trust, London SE1 7EH, UK; Georgios.Kaltsakas{at}gstt.nhs.uk

https://doi.org/10.1136/thoraxjnl-2020-216117

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    In patients with hypoxaemic respiratory failure, supplement oxygen is added to a non-invasive ventilator to increase the fraction of inspired oxygen (FiO2). The FiO2 delivered through these domiciliary, non-critical care ventilators is limited and it is determined by a number of factors, including mode of ventilation, location of the oxygen connection point, intentional and unintentional leak, oxygen flow rate, length of circuit and type of interface.1 2 In this issue of the Journal, Mebrate et al 3 described a novel adaptation for two commercially available non-invasive ventilators, which increases FiO2 delivery. The process of increasing oxygen mass in a motor engine is called turbocharging and the approach by …

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    Footnotes

    • Twitter @NickHartThorax

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Patient consent for publication Not required.

    • Provenance and peer review Commissioned; externally peer reviewed.

    • Data availability statement Data sharing not applicable as no datasets generated and/or analysed for this study.

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