Adequate agreement between venous oxygen saturation in right atrium and pulmonary artery in critically ill children*

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To assess the agreement between venous oxygen saturation measurements in the right atrium and pulmonary artery in critically ill children.
Retrospective observational study conducted in a pediatric intensive care unit.
Thirty critically ill children underwent measurement of venous oxygen saturation using a pulmonary artery catheter.
Measurements of Srao2 and Svo2 were taken at baseline and every 6 hours for the first 12 hours of admission.
Srao2 and Svo2 measurements showed a median of 83% and 81%, respectively (p=0.23).
79% of the differences between Srao2 and Svo2 were within +/-1%-5%.
Concordance correlation coefficient was 0.90, indicating strong agreement between the two saturation measurements.

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Retrospective observational study examines oxygen saturation agreement in critically ill pediatric patients, indicating clinical relevance.

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Pérez et al. (2009) studied this question.

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