New directions in diagnostic evaluation of insect allergy

Research output: Contribution to journalArticle

Abstract

Purpose of review: Diagnosis of insect sting allergy and prediction of risk of sting anaphylaxis are often difficult because tests for venom-specific IgE antibodies have a limited positive predictive value and do not reliably predict the severity of sting reactions. Recent Findings: Component-resolved diagnosis using recombinant venom allergens has shown promise in improving the specificity of diagnostic testing for insect sting allergy. Basophil activation tests have been explored as more sensitive assays for identification of patients with insect allergy and for prediction of clinical outcomes. Measurement of mast cell mediators reflects the underlying risk for more severe reactions and limited clinical response to treatment. Summary: Measurement of IgE to recombinant venom allergens can distinguish cross-sensitization from dual sensitization to honeybee and vespid venoms, thus helping to limit venom immunotherapy to a single venom instead of multiple venoms in many patients. Basophil activation tests can detect venom allergy in patients who show no detectable venom-specific IgE in standard diagnostic tests and can predict increased risk of systemic reactions to venom immunotherapy, and to stings during and after stopping venom immunotherapy. The risk of severe or fatal anaphylaxis to stings can also be predicted by measurement of baseline serum tryptase or other mast cell mediators.

Original languageEnglish (US)
Pages (from-to)334-339
Number of pages6
JournalCurrent Opinion in Allergy and Clinical Immunology
Volume14
Issue number4
DOIs
StatePublished - 2014

Fingerprint

Venoms
Insects
Hypersensitivity
Bites and Stings
Immunotherapy
Insect Bites and Stings
Immunoglobulin E
Basophils
Anaphylaxis
Mast Cells
Allergens
Wasp Venoms
Direction compound
Tryptases
Routine Diagnostic Tests
Antibodies

Keywords

  • insect sting allergy
  • predicting severity of anaphylaxis
  • venom allergy diagnostic tests

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Medicine(all)

Cite this

New directions in diagnostic evaluation of insect allergy. / Golden, David B K.

In: Current Opinion in Allergy and Clinical Immunology, Vol. 14, No. 4, 2014, p. 334-339.

Research output: Contribution to journalArticle

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