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[Fever of unknown origin in a young child: diagnosis and treatment]
R Oostenbrink1, R de Groot, H A Moll
1Afd. Algemene Kindergeneeskunde, Academisch Ziekenhuis Rotterdam-Sophia Kinderziekenhuis.
Insights
Fever in young children requires careful evaluation to identify serious bacterial infections. Prompt clinical assessment and diagnostic tests are crucial for timely treatment and management of febrile infants and toddlers.
Area of Science:
- Pediatrics
- Infectious Diseases
- Clinical Diagnostics
Context:
- Fever without a focus in children presents diagnostic challenges, especially in young infants who may not exhibit typical infection symptoms.
- Early recognition of serious bacterial infections (SBIs) and bacteremia is critical in febrile children.
- Age-specific clinical signs are vital for assessing risk in children aged 1 to 36 months.
Purpose:
- To outline an evidence-based approach for evaluating children with fever without a focus.
- To guide clinicians in identifying children at increased risk for bacteremia or major bacterial infections.
- To differentiate between children requiring hospitalization and those suitable for outpatient management.
Summary:
- Infants under 1 month with fever or hypothermia require immediate clinical evaluation and diagnostics.
- Children aged 1-36 months with concerning clinical signs (toxic appearance, high fever, diarrhea, tachypnea, etc.) necessitate hospital admission and parenteral antibiotics.
- Febrile children without alarming clinical signs and with normal lab results can be managed as outpatients with parental guidance.
Impact:
- Facilitates appropriate and timely management of febrile children, reducing risks associated with SBIs.
- Empowers healthcare providers with clear diagnostic criteria for febrile illnesses in pediatric populations.
- Enhances patient safety through structured evaluation protocols and parental education for early detection of clinical deterioration.
Abstract:
In children with fever without focus, evaluation should be aimed at recognition of children with an increased risk of bacteraemia or of major bacterial infections, while young children in particular will show few typical symptoms of bacterial infections. A child younger than 1 month with fever (> or = 38.0 degrees C) or hypothermia (< 36.0 degrees C) needs clinical evaluation and additional diagnostic investigations. In children aged from 1 to 36 months referral to hospital should be based on presence of age specific clinical characteristics, i.e. toxic appearance, high fever, diarrhoea, decreased urine production, tachypnoea, or bulging fontanelle. Presence of clinical characteristics as judged by a paediatrician or abnormal laboratory findings indicates hospitalisation and treatment with parenteral antibiotics. Absence of alarming clinical characteristics with normal laboratory values justifies outpatient follow-up without treatment or additional diagnostic procedures. Careful instructions to parents regarding observation, parents' ability to detect clinical changes and facilities for rapid medical re-evaluation are crucial.