Association of respiratory viral detection with complex febrile seizures and hospitalisation in children after the COVID-19 pandemic: a retrospective observational study - Scorecard - MDSpire
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Impact of Respiratory Virus Detection on Complex Febrile Seizures and Hospitalization Rates in Children Following the COVID-19 Pandemic: A Retrospective Observational Analysis

  • By

  • Ho-Young Song

  • So-Hyun Paek

  • Jae-Hyun Kwon

  • Soo Hyun Park

  • Min-Jung Kim

  • Young-Hoon Byun

  • Jin Hee Kim

  • Sung-Ha Kim

  • June 10, 2026

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Clinical Scorecard: Impact of Respiratory Virus Detection on Complex Febrile Seizures and Hospitalization Rates in Children Following the COVID-19 Pandemic: A Retrospective Observational Analysis

At a Glance

CategoryDetail
ConditionFebrile Seizures
Key MechanismsRespiratory viral infections as primary triggers influencing seizure susceptibility.
Target PopulationChildren aged 6–60 months.
Care SettingTertiary paediatric emergency department.

Key Highlights

  • 17.0% of children with febrile seizures had complex febrile seizures.
  • Parainfluenza virus and seasonal coronaviruses associated with lower odds of complex febrile seizures.
  • Viral co-detection occurred in 47.8% of cases, linked to lower odds of complex febrile seizures and hospitalization.
  • Each additional virus detected was associated with lower odds of clinical severity.
  • Cautious interpretation of multiplex RT-PCR results is advised.

Guideline-Based Recommendations

Diagnosis

  • Use multiplex respiratory virus RT-PCR for detecting respiratory viruses in febrile seizures.

Management

  • Consider clinical presentation alongside multiplex RT-PCR results for management decisions.

Monitoring & Follow-up

  • Monitor for clinical severity indicators in children with febrile seizures and respiratory virus detection.

Risks

  • Residual confounding and selection bias should be considered due to the retrospective design.

Patient & Prescribing Data

Children aged 6–60 months presenting with febrile seizures.

Detection of certain respiratory viruses may not indicate greater clinical severity.

Clinical Best Practices

  • Interpret multiplex RT-PCR results cautiously and in conjunction with clinical findings.
  • Evaluate the clinical significance of viral co-detection in febrile seizures.

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