The hospitalized child with urticaria.

Area of Science:

• Pediatrics
• Allergy and Immunology
• Dermatology

Background:

• Urticaria and angioedema are common allergic conditions in children.
• Identifying etiologic factors is crucial for effective management.
• Previous studies have varied findings on common causes and treatment patterns.

Purpose of the Study:

• To analyze the demographic and clinical characteristics of pediatric patients with urticaria and angioedema.
• To determine the most frequent etiologic factors contributing to these conditions in a pediatric hospital setting.
• To evaluate common treatment modalities, including corticosteroid use, in this patient population.

Main Methods:

• Retrospective analysis of pediatric patients admitted to Children's Hospital of Michigan (CHMC).
• Data collection included patient demographics, clinical presentation, suspected etiologic factors, and treatment received.
• Statistical analysis was performed to identify common causes and treatment patterns.

Main Results:

• Infection was identified as the most common etiologic factor for urticaria, accounting for 45% of cases.
• Drugs or medications were implicated in 10% of the patients.
• Corticosteroids were administered to almost half of the children for urticaria treatment.

Conclusions:

• Infectious agents are a primary trigger for urticaria and angioedema in pediatric patients.
• A significant proportion of children with urticaria receive corticosteroid therapy.
• Further research is warranted to explore specific infectious triggers and optimize treatment strategies.