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. 2023 Nov 1;39(11):895-899.
doi: 10.1097/PEC.0000000000002968. Epub 2023 May 20.

High-Risk Markers and Infection Rates in Febrile Infants Aged 29 to 60 Days Presenting to an Emergency Department During the COVID-19 Pandemic

Kathryn Schissler, Sidney Stewart  1 , Timothy Phamduy  1 , Michael Brimacombe  1 , Ilana Waynik, Eric Hoppa
Affiliations

High-Risk Markers and Infection Rates in Febrile Infants Aged 29 to 60 Days Presenting to an Emergency Department During the COVID-19 Pandemic

Kathryn Schissler et al. Pediatr Emerg Care. .

Abstract

Objectives: There was an overall decline in pediatric emergency department visits during the COVID-19 pandemic. Caregivers are educated to bring febrile neonates promptly to the emergency department; however, for infants aged 29 to 60 days, there may not be the same urgency especially during a pandemic. There may have been a resultant change in the clinical and laboratory high-risk markers and infection rates in this patient population during the pandemic.

Methods: This was a single-center retrospective cohort study of infants aged 29 to 60 days presenting to the emergency department of an urban tertiary care children's hospital because of fever (>38°C) between March 11 and December 31, 2020, compared with those presenting in the same period during the 3 prior years (2017 through 2019). Patients were categorized as having high-risk criteria on a predetermined definition of ill appearance, white blood cell count, and urinalysis based on our hospital's evidence-based pathway. Information on infection type was also collected.

Results: A total of 251 patients were included in the final analysis. Comparison of the prepandemic and pandemic cohorts showed a significant increase in the proportion of patients with urinary tract infections ( P = 0.017) and bacteremia ( P = 0.02) and those presenting with high-risk white blood cell count ( P = 0.028) and urinalysis ( P = 0.034). There was no significant difference in patient demographics or in high-risk ill appearance ( P = 0.208).

Conclusions: This study demonstrates a significant increase in the rates of urinary tract infection and bacteremia in addition to the objective markers used to risk-stratify febrile infants aged 29 to 60 days. This supports the need for attentiveness in evaluating these febrile infants in the emergency department.

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Conflict of interest statement

Disclosure: The authors declare no conflict of interest.

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