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  • Title: [Oral allergy syndrome in patients with pollen allergy].
    Author: Chimielewska A, Mazur M, Sacha M, Myszkowska D, Dyga W, Obtułowicz K, Czarnobilska E.
    Journal: Przegl Lek; 2013; 70(11):885-7. PubMed ID: 24697023.
    Abstract:
    The symptoms of pollen allergy in the European population occur in a period of increased pollen precipitation, and take the form of allergic rhinitis and conjunctivitis, bronchial asthma, contact urticaria, and food allergy. Diagnosis in addition to medical history, takes into account the positive results of skin tests and elevated allergen-specific IgE antibodies (specific IgE) in serum. These studies are considered to be objective diagnostic tests confirming the diagnosis of pollen allergy. Not in every case there is a correspondence of symptoms and results of diagnostic tests, which puts into question the accuracy of the diagnosis of pollen allergy. The aim of this study was to test the characteristics of patients with oral allergy syndrome on the background of all patients with pollen allergy and evaluation of the diagnostic value of history, skin tests and specific IgE levels in the diagnosis of patients with pollen allergy and oral allergy syndrome. A retrospective analysis of the cases of 85 patients with a diagnosis of pollen allergy and the 30 patients with OAS was performed. In our study the most common sensitizing allergen in patients with OAS was birch pollen, while patients showing no symptoms of OAS were equally sensitive to timothy and birch pollen. The main food responsible for the presence of the OAS in the mechanism of cross-allergy to pollen was an apple. Among patients with OAS we did not show significantly higher incidence of polyvalent allergies. It was shown, however, that there is a tendency that the maximum concentration of allergen-specific IgE causing clinically significant symptoms, ie in line with the pollen season, is higher in the OAS patients than in the absence of OAS. Further research is needed using new diagnostic methods, which would predict future symptoms after eating certain foods in particularly endangered patients with pollen allergy.
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