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Septic arthritis in childhood
Insights
Pediatric septic arthritis patterns vary by age. Hemophilus influenzae is common in young children, while Staphylococcus aureus affects older children, with distinct associated conditions. Sickle cell disease was notably absent.
Area of Science:
- Pediatric Infectious Diseases
- Rheumatology
- Microbiology
Background:
- Septic arthritis is a serious joint infection in children.
- Understanding causative organisms and risk factors is crucial for timely diagnosis and treatment.
- Previous studies show varying patterns, necessitating local data.
Purpose of the Study:
- To retrospectively analyze the patterns of pediatric septic arthritis.
- To identify common causative organisms and associated factors in different age groups.
- To describe the clinical presentation in a major municipal hospital over a decade.
Main Methods:
- Retrospective chart review of pediatric septic arthritis cases.
- Data collected over a ten-year period at a municipal hospital.
- Analysis of patient demographics, causative organisms, and clinical associations.
Main Results:
- Hemophilus influenzae was the predominant organism in children under two years old, often linked to upper respiratory tract infections (75%).
- Staphylococcus aureus was prevalent in children over five years old (87.5%), frequently associated with trauma history.
- All identified patients were Black; sickle cell disease was unexpectedly absent despite its prevalence in the hospital population.
Conclusions:
- Age-specific causative organisms and associated factors are critical in pediatric septic arthritis.
- Hemophilus influenzae and Staphylococcus aureus are key pathogens in distinct pediatric age groups.
- The absence of sickle cell disease in this cohort warrants further investigation into its potential protective or confounding factors.
Abstract:
We studied retrospectively the pattern of septic arthritis in childhood at a major municipal hospital during a ten-year period. Hemophilus influenzae was the most common organism in septic arthritis in patients less than two years old and was associated with upper respiratory tract infections in nine of 12 patients (75%). Staphylococcus aureus was seen in seven of eight (87.5%) children above the age of five and was associated with history of trauma. All patients were black. Despite the high incidence of sickle cell disease in our hospital population, not one patient had sickle cell disease.