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[Risk factors and etiological structure of children's cross-allergic reactions to food products]

A A Baranov, O A Subbotina, I V Borisova

    Voprosy Pitaniia
    |September 1, 2004
    PubMed

    Insights

    Hereditary predisposition and early introduction of foods are key risk factors for food cross-reactivity in young children. In older children, pollen sensitization significantly increases the risk of cross-allergic reactions to foods.

    Area of Science:

    • Pediatric Allergy and Immunology
    • Clinical Nutrition
    • Environmental Health

    Context:

    • Atopy is a common condition in childhood, often presenting with skin or respiratory symptoms.
    • Cross-reactivity to foodstuffs is a significant concern in allergic children, impacting dietary choices and quality of life.
    • Understanding prevalence and risk factors is crucial for effective management of allergic diseases in children.

    Purpose:

    • To investigate the prevalence and identify risk factors for food cross-reactivity in children with atopy.
    • To differentiate risk factors based on age groups (infants vs. older children).
    • To analyze the relationship between sensitization to environmental allergens and food allergies.

    Summary:

    • A study of 239 children aged 6 months to 15 years in Abakan examined food cross-reactivity.
    • In early childhood, hereditary predisposition (77.8%) and early supplemental feeding (44%) were identified as primary risk factors.
    • In children over 7 years, pollen sensitization (62%) preceded significant cross-allergic reactions to foods (73.7%) and pollen-food (79%).

    Impact:

    • Findings highlight the importance of genetic counseling and cautious introduction of complementary foods in infants.
    • Early identification of pollen sensitization can help predict and prevent severe food cross-reactivity in older children.
    • This research informs clinical practice and public health strategies for managing childhood atopy and food allergies.

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