Durazo AMÁ, Martínez MMÁ, Solís GLP, Vidal GAA, Rascón PRA

Language: Spanish
References: 23
Page: 6-13
PDF size: 115.30 Kb.

ABSTRACT

Objetive. To evaluate clinical signs to identify hypoxemia in children with acute lower tract infections (ALRI). Methods. Cross-sectional study. Children between 1 month to 4 years of age with ALRI were assessed. Twenty clinical findings were evaluated. Hypoxemia was defined as an arterial oxygen saturation ‹ 94% recorded by pulse oximetry. We compared the clinical signs between hypoxemic and no-hypoxemic children using univariate analysis, odds ratios and 95% confidence intervals were also calculated. Results. A total of 66 children with ALRI were studied, and 49 of them (72%) were hypoxemic. Nasal flaring was the best predictor of hypoxemia (OR 11.1, Cl 95% 1.4 - 87.1, p=0.006), followed by respiratory rate › 60 per minute (OR 9.6, Cl 95% 2.2 - 57.5, p=0.0004) and the weak cry (OR 9.7, Cl 95% 1.06 - 89.7, p=0.02). The intercostal indrawing, the sick appearance, head nodding, the lack of spontaneous movement and crepitations had not a significant association in a logistic regression model. Conclusions: Hypoxemia in children with ALRI can be identified by several easily recognizable signs. These include nasal flaring, respiratory rate › 60 per minute and weak cry.

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