Complex Febrile Seizures, Lumbar Puncture, and Central Nervous System Infections: A National Perspective

Jane Lee, Amy M. DeLaroche, Alexander T. Janke, Nirupama Kannikeswaran, Phillip D. Levy

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Objectives: The objective was to determine the national lumbar puncture (LP) practice patterns relative to the incidence of central nervous system (CNS) infections among children presenting to the emergency department (ED) with complex febrile seizures (CFS). Methods: This was a retrospective study of ED visits for CFS from 2007 to 2014 in patients aged 0 to 5 years using a national sample. Primary outcomes include the frequency of LP, incidence of CNS infections, and ED disposition. Results: Of 28,810 ED visits for CFS (44.4% female; mean age = 1.39 years), LP was performed in 7,445 (25.8%, 95% confidence interval [CI] 23.5%–28.2%). There was no significant difference in the proportion due to hospital teaching status or geographical region. The proportion decreased from 31.4% to 17.8% over the study period (Rao-Scott statistic = 5.85, p < 0.001). CNS infection was diagnosed in 80 (0.3%) encounters (95% CI = 41–112). The most commonly associated infections were otitis media (16.8%), upper respiratory infections (15.8%), and other viral infections (14.6%). A total of 14,696 encounters (51.0%, 95% CI = 47.9%–54.1%) resulted in a hospital admission. Conclusions: Although rates have been declining, LP was performed in one-fourth of ED encounters for CFS over the 8-year study period. The incidence of CNS infections was very low, however, suggesting that this procedure could be avoided in many patients.

Original languageEnglish
Pages (from-to)1242-1250
Number of pages9
JournalAcademic emergency medicine : official journal of the Society for Academic Emergency Medicine
Volume25
Issue number11
DOIs
StatePublished - Nov 2018

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