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Iran J Med Sci. 2015 May;40(3):264-7.

Can we Replace Arterial Blood Gas Analysis by Pulse Oximetry in Neonates with Respiratory Distress Syndrome, who are Treated According to INSURE Protocol?

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Division of Neonatology, Afzalipour Medical Center, Kerman University of Medical Sciences, Kerman, Iran;
Research Center for Modeling in Health, Institute for Future Studies, Kerman University of Medical Sciences, Kerman, Iran.


Neonates with respiratory distress syndrome (RDS), who are treated according to INSURE protocol; require arterial blood gas (ABG) analysis to decide on appropriate management. We conducted this study to investigate the validity of pulse oximetry instead of frequent ABG analysis in the evaluation of these patients. From a total of 193 blood samples obtained from 30 neonates <1500 grams with RDS, 7.2% were found to have one or more of the followings: acidosis, hypercapnia, or hypoxemia. We found that pulse oximetry in the detection of hyperoxemia had a good validity to appropriately manage patients without blood gas analysis. However, the validity of pulse oximetry was not good enough to detect acidosis, hypercapnia, and hypoxemia.


Blood gaz analysis; Infant; Oximetry; Respiratory distress syndrome


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