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Positional hypoxemia during artificial ventilation

Daniel Rivara, Hernán Artucio, J. Arcos, CARLOS HIRIART

Open publisher page 35 citations

Abstract

The effect of body position was studied in 8 patients with predominantly unilateral lung disease, who were admitted to an ICU and placed under artificial ventilation. Significant changes in PaO2 were observed when body position was changed from supine to lateral decubitus. PaO2 increased from 149 to 227 torr when the sick lung was up (p less than .01), but decreased to 106 torr when the sick lung was down (p less than .02). Both differences were statistically significant. The values were not different for right vs. left lung disease.

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What this paper is about

The effect of body position was studied in 8 patients with predominantly unilateral lung disease, who were admitted to an ICU and placed under artificial ventilation. Significant changes in PaO2 were observed when body position was changed from supine to lateral decubitus. PaO2 increased from 149 to 227 torr when the sick lung was up (p less than .01), but decreased to 106 torr when the sick lung was down (p less than .02). Both differences were statistically significant. The values were not different for right vs. left lung disease.

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OpenAlex reports 35 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The effect of body position was studied in 8 patients with predominantly unilateral lung disease, who were admitted to an ICU and placed under artificial ventilation. Significant changes in PaO2 were observed when body position was changed from supine to lateral decubitus. PaO2 increased from 149 to 227 torr when the sick lung was up (p less than .01), but decreased to 106 torr when the sick lung was down (p less than .02). Both differences were statistically significant. The values were not different for right vs. left lung disease.

Key concepts: Medicine, Supine position, Hypoxemia, Body position, Ventilation (architecture), Lung, Prone position, Artificial ventilation

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