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The Journal of pediatrics · Jan 1994
Comparison of oxygenation measurements in pediatric patients during sickle cell crises.
- J A Craft, E Alessandrini, L B Kenney, B Klein, G Bray, N L Luban, R Meek, and V M Nadkarni.
- Department of Pediatrics, Medical Center of Delaware, Newark 19718.
- J. Pediatr. 1994 Jan 1; 124 (1): 93-5.
AbstractMeasurements of the saturation of arterial blood with oxygen (SaO2) were compared in 24 children during sickle cell crises. Simultaneous pulse oximetry (Nellcor N-100 pulse oximeter) and arterial blood analysis showed that SaO2 measured by pulse oximetry overestimated cooximeter-measured SaO2 (mean bias, 6.9%; p < 0.001). The blood gas machine-calculated SaO2 also overestimated cooximeter-measured SaO2 (p < 0.001). The bias increased with increasing age (p = 0.002) and carboxyhemoglobin level (p = 0.005) but was not related to methemoglobin, total hemoglobin, percentage of hemoglobin S, or percentage of hemoglobin F.
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