Pulmonary oxygen toxic effect. Occurrence in a newborn infant despite low Pa(O2) due to an intracranial arteriovenous malformation

J. Jentzen, Gaylan L Rockswold, W. R. Anderson

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A newborn infant with a massive left to right shunt secondary to a cerebral arteriovenous malformation required continuous oxygen therapy in high concentrations. Despite high P(O2), the infant maintained low to normal Pa(O2) concentrations. Light and ultrastructural studies of the lungs demonstrated typical changes of acute pulmonary oxygen toxicity, including degeneration of capillary endothelium and type I pneumonocytes, interstitial edema, and alveolar exudation. These observations confirm earlier experimental animal studies that demonstrated that the alveolar P(O2) concentration and not the Pa(O2) is the major factor contributing to pulmonary oxygen toxic effect.

Original languageEnglish (US)
Pages (from-to)334-337
Number of pages4
JournalArchives of Pathology and Laboratory Medicine
Volume108
Issue number4
StatePublished - Jan 1 1984

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