• Paul L Aronson, Cary Thurm, Derek J Williams, Lise E Nigrovic, Elizabeth R Alpern, Joel S Tieder, Samir S Shah, Russell J McCulloh, Fran Balamuth, Amanda C Schondelmeyer, Evaline A Alessandrini, Whitney L Browning, Angela L Myers, Mark I Neuman, and Febrile Young Infant Research Collaborative.
• Department of Pediatrics, Section of Emergency Medicine, Yale School of Medicine, New Haven, Connecticut.
• J Hosp Med. 2015 Jun 1; 10 (6): 358-65.

BackgroundDifferences among febrile infant institutional clinical practice guidelines (CPGs) may contribute to practice variation and increased healthcare costs.ObjectiveDetermine the association between pediatric emergency department (ED) CPGs and laboratory testing, hospitalization, ceftriaxone use, and costs in febrile infants.DesignRetrospective cross-sectional study in 2013.SettingThirty-three hospitals in the Pediatric Health Information System.PatientsInfants aged ≤56 days with a diagnosis of fever.ExposuresThe presence and content of ED-based febrile infant CPGs assessed by electronic survey.MeasurementsUsing generalized estimating equations, we evaluated the association between CPG recommendations and rates of urine, blood, cerebrospinal fluid (CSF) testing, hospitalization, and ceftriaxone use at ED discharge in 2 age groups: ≤28 days and 29 to 56 days. We also assessed CPG impact on healthcare costs.ResultsWe included 9377 ED visits; 21 of 33 EDs (63.6%) had a CPG. For neonates ≤28 days, CPG recommendations did not vary and were not associated with differences in testing, hospitalization, or costs. Among infants 29 to 56 days, CPG recommendations for CSF testing and ceftriaxone use varied. CSF testing occurred less often at EDs with CPGs recommending limited testing compared to hospitals without CPGs (adjusted odds ratio: 0.5, 95% confidence interval: 0.3-0.8). Ceftriaxone use at ED discharge varied significantly based on CPG recommendations. Costs were higher for admitted and discharged infants 29 to 56 days old at hospitals with CPGs.ConclusionsCPG recommendations for febrile infants 29 to 56 days old vary across institutions for CSF testing and ceftriaxone use, correlating with observed practice variation. CPGs were not associated with lower healthcare costs.© 2015 Society of Hospital Medicine.

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