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. 1970 May 23;2(5707):452–455. doi: 10.1136/bmj.2.5707.452

Effect of Controlled Oxygen Therapy on Arterial Blood Gases in Acute Respiratory Failure

D A Warrell, R H T Edwards, S Godfrey, N L Jones
PMCID: PMC1700518  PMID: 5420208

Abstract

Seven patients in acute exacerbation of chronic respiratory failure were given 24·5% and later 28% oxygen through Ventimasks. The mean increases in arterial PO2 were 11 and 21 mm. Hg while breathing 24·5% and 28% oxygen respectively compared with control values while breathing air. Associated increases in arterial PCO2 were 4 and 8 mm. Hg, respectively. In five of the patients these increases in inspired oxygen concentration resulted in useful increases in tissue oxygen supply without significant deterioration in ventilation, but in two patients arterial PCO2 rose excessively and artificial ventilation was required.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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