Validation of a Noninvasive Assessment of Pulmonary Gas Exchange During Exercise in Hypoxia
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Pulmonary gas exchange efficiency, determined by the alveolar-to-arterial P o 2 difference (A-aD o 2), progressively worsens during exercise at sea-level; this response is further elevated during exercise in hypoxia. Traditionally, pulmonary gas exchange efficiency is assessed through measurements of ventilation and end-tidal gases paired with direct arterial blood gas (ABG) sampling. Because these measures have a number of caveats, particularly invasive blood sampling, the development of new approaches for the noninvasive assessment of pulmonary gas exchange is needed.
Keywords
- exercise, hypoxia, noninvasive, pulmonary gas exchange, validation
| Original language | English |
|---|---|
| Pages (from-to) | 1644-1650 |
| Journal | Chest |
| Volume | 158 |
| Issue number | 4 |
| Early online date | 25 Apr 2020 |
| DOIs | |
| Publication status | Published - 1 Oct 2020 |
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