Pediatrics International 2019-Jun
Febrile seizures with leukocytosis as a predictor for occult bacteremia.
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BACKGROUND
Febrile children 3-36 months old, who had a body temperature >39°C and white blood cell (WBC) count >15 000/mm3 were known to be at risk for occult pneumococcal bacteremia (OPB) in the pre-pneumococcal conjugate vaccine (PCV) era. The positive predictive value of these criteria, however, decreased dramatically after the introduction of PCV, indicating a need for alternative criteria. A high rate of febrile seizures has been noted in children with OPB, suggesting that screening may still be practical in this population. We performed a retrospective analysis to evaluate factors that predict OPB in patients visiting the emergency department (ED) with febrile seizures.