PREVALENZA DI SINDROME DA ALLERGIA ORALE (SAG) IN PAZIENTI POLLINOSICI E ANALISI QUANTITATIVA DELLA REATTIVITA CUTANEA AI POLLINI IN SOGGETTI CON E SENZA SAO

Translated title of the contribution: Prevalence of Oral Allergy Syndrome (OAS) in patients with pollinosis and quantitative analysis of skin reactivity to pollens in subjects with and without OAS

V. Pravettoni, C. Incorvaia, G. Visano, C. Zara, A. Guidoboni, C. Salmaso, E. A. Pastorello

Research output: Contribution to journalArticle

Abstract

Background and aim of the work. We assessed the prevalence of oral allergy syndrome (OAS) to vegetable foods in subjects suffering from pollinosis, the clusters of association between vegetable foods and pollens, and some clinical parameters likely to play a pathogenetic role. Methods. We admitted to the study 335 patients with pollinosis, in whom we investigated the clinical features of pollinosis and OAS, their respective ages of onset, and the wheal diameters to pollen extracts in subjects with and without OAS. Results. The prevalence of OAS was 23.5%. In patients with OAS wheals were significantly greater to birch and mugwort pollen extracts than in patients without OAS (respectively p = 0.031 and p = 0.040, Mann Whitney U test). The age of onset of pollinosis was significantly lower (p = 0.041) in patients with OAS. A number of clusters of association was found, the most interesting being that between parietaria pollinosis and OAS to zucchini, suggesting the existence of cross-reacting allergens, so far undetected in these two allergenic sources. Conclusions. These findings indicate that OAS, considering the high prevalence of pollinosis in general population, is likely to represent the most common form of food allergy in adults. The lower age of onset of pollinosis and the higher levels of specific IgE (indicated by greater wheals) in subjects with OAS than in those without OAS suggest that sensitization to vegetable foods may result from sensitization to pollen allergens cross-reactive with foods.

Original languageItalian
Pages (from-to)39-42
Number of pages4
JournalInternista
Volume4
Issue number1
Publication statusPublished - 1996

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Seasonal Allergic Rhinitis
Pollen
Hypersensitivity
Skin
Age of Onset
Vegetables
Food
Allergens
Parietaria
Artemisia
Betula
Food Hypersensitivity
Nonparametric Statistics
Immunoglobulin E

ASJC Scopus subject areas

  • Internal Medicine

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PREVALENZA DI SINDROME DA ALLERGIA ORALE (SAG) IN PAZIENTI POLLINOSICI E ANALISI QUANTITATIVA DELLA REATTIVITA CUTANEA AI POLLINI IN SOGGETTI CON E SENZA SAO. / Pravettoni, V.; Incorvaia, C.; Visano, G.; Zara, C.; Guidoboni, A.; Salmaso, C.; Pastorello, E. A.

In: Internista, Vol. 4, No. 1, 1996, p. 39-42.

Research output: Contribution to journalArticle

Pravettoni, V. ; Incorvaia, C. ; Visano, G. ; Zara, C. ; Guidoboni, A. ; Salmaso, C. ; Pastorello, E. A. / PREVALENZA DI SINDROME DA ALLERGIA ORALE (SAG) IN PAZIENTI POLLINOSICI E ANALISI QUANTITATIVA DELLA REATTIVITA CUTANEA AI POLLINI IN SOGGETTI CON E SENZA SAO. In: Internista. 1996 ; Vol. 4, No. 1. pp. 39-42.
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abstract = "Background and aim of the work. We assessed the prevalence of oral allergy syndrome (OAS) to vegetable foods in subjects suffering from pollinosis, the clusters of association between vegetable foods and pollens, and some clinical parameters likely to play a pathogenetic role. Methods. We admitted to the study 335 patients with pollinosis, in whom we investigated the clinical features of pollinosis and OAS, their respective ages of onset, and the wheal diameters to pollen extracts in subjects with and without OAS. Results. The prevalence of OAS was 23.5{\%}. In patients with OAS wheals were significantly greater to birch and mugwort pollen extracts than in patients without OAS (respectively p = 0.031 and p = 0.040, Mann Whitney U test). The age of onset of pollinosis was significantly lower (p = 0.041) in patients with OAS. A number of clusters of association was found, the most interesting being that between parietaria pollinosis and OAS to zucchini, suggesting the existence of cross-reacting allergens, so far undetected in these two allergenic sources. Conclusions. These findings indicate that OAS, considering the high prevalence of pollinosis in general population, is likely to represent the most common form of food allergy in adults. The lower age of onset of pollinosis and the higher levels of specific IgE (indicated by greater wheals) in subjects with OAS than in those without OAS suggest that sensitization to vegetable foods may result from sensitization to pollen allergens cross-reactive with foods.",
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