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Evaluation of fever in infants and young children
Jennifer L Hamilton1, Sony P John
1Drexel University College of Medicine, Philadelphia, PA, USA.
Insights
Fever in young children requires careful evaluation. Diagnostic approaches for bacterial infections have shifted due to widespread immunizations, emphasizing urine testing and clinical concern for serious illness.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Febrile illness is common in children under 36 months, posing potential risks.
- Immunizations against Streptococcus pneumoniae and Haemophilus influenzae type b have altered bacterial infection epidemiology.
- Increased incidence of urinary tract infections necessitates urine testing in febrile children.
Purpose of the Study:
- To update diagnostic and treatment guidelines for febrile illness in young children.
- To reflect changes in bacterial infection patterns post-immunization.
- To identify key indicators of serious bacterial infection.
Main Methods:
- Review of current literature and clinical guidelines.
- Analysis of epidemiological shifts in pediatric bacterial infections.
- Identification of clinical signs and validated concerns indicating serious illness.
Main Results:
- Lumbar puncture and chest radiography are no longer routinely recommended for older febrile children without specific indications.
- Urine testing is crucial for unexplained fever.
- Clinical signs (cyanosis, poor circulation, rash, inconsolability) and parental/physician concern are vital indicators of serious infection.
- Rapid viral testing can reduce invasive procedures.
Conclusions:
- Diagnostic evaluation for febrile illness in children has evolved.
- Emphasis is placed on targeted testing and clinical assessment.
- Hospitalization and appropriate antibiotics are recommended for suspected serious bacterial infections, with age-specific antibiotic choices provided.
Abstract:
Febrile illness in children younger than 36 months is common and has potentially serious consequences. With the widespread use of immunizations against Streptococcus pneumoniae and Haemophilus influenzae type b, the epidemiology of bacterial infections causing fever has changed. Although an extensive diagnostic evaluation is still recommended for neonates, lumbar puncture and chest radiography are no longer recommended for older children with fever but no other indications. With an increase in the incidence of urinary tract infections in children, urine testing is important in those with unexplained fever. Signs of a serious bacterial infection include cyanosis, poor peripheral circulation, petechial rash, and inconsolability. Parental and physician concern have also been validated as indications of serious illness. Rapid testing for influenza and other viruses may help reduce the need for more invasive studies. Hospitalization and antibiotics are encouraged for infants and young children who are thought to have a serious bacterial infection. Suggested empiric antibiotics include ampicillin and gentamicin for neonates; ceftriaxone and cefotaxime for young infants; and cefixime, amoxicillin, or azithromycin for older infants.
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