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Related Experiment Videos

Insect allergy. A comparative study including case histories and immunological parameters.

H Mosbech

    Allergy
    |October 1, 1984
    PubMed
    Summary

    Skin prick tests and specific IgE analysis are supplementary tools for diagnosing insect allergies. These methods help identify allergies to yellow jacket (YJ) and bee venom, though clinical symptoms may not always correlate directly.

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    Area of Science:

    • Immunology
    • Allergology
    • Toxicology

    Background:

    • Insect stings, particularly from yellow jackets (YJ) and bees, can cause significant reactions.
    • Accurate diagnosis of insect venom allergy is crucial for patient management.
    • Understanding the correlation between diagnostic tests and clinical symptoms is essential.

    Purpose of the Study:

    • To evaluate the diagnostic utility of skin prick tests (SPT) and specific IgE analysis in patients with a history of YJ or bee stings.
    • To investigate the correlation between SPT results, specific IgE levels, and clinical symptoms following insect stings.
    • To determine the relationship between specific IgE levels against YJ and honey bee venom.

    Main Methods:

    • One hundred seventeen individuals with a history of YJ and/or bee stings were studied.

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  • Diagnostic methods included SPT with insect venoms and 10 inhalant allergens, alongside serum analysis for total IgE, specific IgE, and IgG against YJ and honey bee venom.
  • Patients were categorized based on their reaction severity to stings (systemic, normal, or large local).

    • Main Results:

    • Positive correlations were observed between SPT results and specific IgE levels against venoms.
    • For YJ stings, a positive correlation was found between symptom severity and SPT wheal size.
    • Specific IgE levels for YJ and honey bee venom showed covariation, but clinical symptoms and SPT results did not correlate between the two insect types.

    Conclusions:

    • Specific IgE analysis and skin prick tests are valuable, supplementary diagnostic tools for insect venom allergy.
    • The lack of consistent correlation between diagnostic tests and clinical symptoms suggests potential non-immunological mechanisms contributing to severe reactions.
    • Further research may be needed to fully elucidate the complex relationship between venom exposure, immune response, and clinical manifestations.