• M W Weber, A Palmer, A Oparaugo, and E K Mulholland.
• Medical Research Council Laboratories, Fajara, The Gambia.
• J. Pediatr. 1995 Sep 1;127(3):378-83.

ObjectiveTo determine the best method of oxygen delivery for children in developing countries who have hypoxemia caused by acute lower respiratory tract infection.MethodsOne hundred eighteen children between 7 days and 5 years of age with a lower respiratory tract infection and arterial hemoglobin oxygen saturation (Sao2) less than 90% were randomly selected to receive oxygen by nasopharyngeal (NP) catheter (n = 56) or nasal prongs (n = 62). A crossover study to determine the flow rate necessary to achieve an Sao2 of 95% was performed in 60 children.ResultsOne hundred twelve children could be oxygenated by the allocated method; in six oxygenation was poor with either method. The mean duration of therapy was 87.5 hours for the prongs and 94.9 hours for the NP catheter (not significant). The median oxygen consumption was 2142 L for prongs and 1692 L for the NP catheter (not significant). In the crossover study the prongs needed, on average, 26% higher oxygen flow rates than the NP catheter to obtain an Sao2 of 95% (p = 0.003). Complete nasal obstruction was observed in 24 of the children (44%) in the NP catheter group and in 8 (13%) in the prongs group (p < 0.001). Eighteen children died, 11 with NP catheter and 7 with prongs (not significant).ConclusionsBecause nasal prongs are less prone to complications, and oxygenation in children is equally effective, they are a more appropriate method than the NP catheter for oxygen delivery to children in developing countries with acute lower respiratory tract infections.

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