Limitations of Comprehensive Respiratory Viral Testing in Managing Young Infants with Fever
View abstract on PubMed
Summary
This summary is machine-generated.Comprehensive respiratory viral testing offers limited value for identifying serious bacterial infections (SBI) in febrile young infants. Established inflammatory markers and urinalysis are more effective for risk stratification in this population.
Area Of Science
- Pediatric Infectious Diseases
- Clinical Diagnostics
- Epidemiology
Background
- Febrile young infants (FYI) often undergo extensive testing to rule out serious bacterial infections (SBI).
- Respiratory viral infections are common in FYI and can mimic symptoms of SBI, complicating diagnosis.
- The utility of comprehensive respiratory viral testing for SBI risk stratification in FYI remains unclear.
Purpose Of The Study
- To evaluate the contribution of comprehensive respiratory viral testing to the risk stratification of febrile young infants.
- To determine if viral testing aids in the clinical management of febrile young infants.
- To compare the effectiveness of viral testing against established markers for SBI risk assessment.
Main Methods
- Retrospective cohort study of 456 hospitalized febrile young infants (≤90 days or ≤52 6/7 postmenstrual weeks).
- Inclusion criteria: positive respiratory viral test or negative result from a comprehensive panel.
- Primary outcome: rates of serious bacterial infection (SBI), stratified by respiratory viral test results.
Main Results
- Overall SBI rate was 15.4% (70/456), including bacteremia and meningitis.
- Infants with positive viral tests had an 11.9% SBI rate; significantly lower rates were seen only for influenza and RSV.
- 93% of SBI cases exhibited abnormal inflammatory markers or urinalysis, irrespective of viral test results.
Conclusions
- Comprehensive respiratory viral testing has limited value for SBI risk stratification in febrile young infants.
- Viral testing does not appear to enhance clinical decision-making or replace established risk stratification methods.
- Targeted testing strategies may offer a more efficient use of healthcare resources for febrile young infants.
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