Initial Asthma Severity Assessment Tools as Predictors of Hospitalization

Publication date: Available online 14 April 2017
Source:The Journal of Emergency Medicine
Author(s): Natalia Paniagua, Amaia Elosegi, Isabel Duo, Ana Fernandez, Elisa Mojica, Lorea Martinez-Indart, Santiago Mintegi, Javier Benito
BackgroundAssessment tools to classify and prioritize patients, such as systems of triage, and indicators of severity, such as clinical respiratory scores, are helpful in guiding the flow of asthmatic patients in the emergency department.ObjectiveOur aim was to assess the performance of the Pediatric Assessment Triangle (PAT), triage level (TL), Pulmonary Score (PS), and initial O2 saturation (O2 sat), in predicting hospitalization in pediatric acute asthma exacerbations.Study DesignRetrospective study evaluating PAT, TL, and PS at presentation, and initial O2 sat of asthmatic children in the pediatric emergency department (PED). The primary outcome measure was the rate of hospitalization. Secondary outcomes were length of stay (LOS) in the PED and admission to the pediatric intensive care unit (PICU).ResultsPAT, TL, PS, and initial O2 sat were recorded in 14,953 asthmatic children. Multivariate analysis yielded the following results: Abnormal PAT and more severe TLs (I–II) were independent risk factors for hospitalization (odds ratio [OR] 1.6, 95% confidence interval [CI] 1.4–1.8; OR 3.4, 95% CI 2.6–4.3, respectively) and longer LOS (OR 1.5, 95% CI 1.3–1.7; OR 2.6, 95% CI 2–3.3, respectively). PS > 3 showed a strong association with hospitalization (OR 8.1, 95% CI 7–9.4), PICU admission (OR 9.6, 95% CI 3–30.9) and longer LOS (OR 6.2, 95% CI 5.6–6.9). O2 sat < 94% was an independent predictor of admission (OR 5.2, 95% CI 4.6–5.9), PICU admission (OR 4.6, 95% CI 4.5–4.6), and longer LOS (OR 4.6, 95% CI 4.1–5.2).ConclusionsPAT, TL, PS, and initial O2 sat are good predictors of hospitalization in pediatric acute asthma exacerbations.



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