Significance of Atopic Patch Test and Other Examination Methods in the Diagnosis of Peanut Allergy in Patients with Atopic Eczema Older than Fourteen Years. Significance of Pollen Allergy in This Patients’ Group

Czech version

Authors: J. Čelakovská ¹; K. Ettlerová ²; K. Ettler ¹; J. Vaněčková ¹; J. Bukač ³
Authors‘ workplace: Klinika nemocí kožních a pohlavních FN a LF UK Hradec Králové přednosta doc. MUDr. Karel Ettler, CSc. ¹; Ambulance klinické imunologie a alergologie, Hradec Králové vedoucí MUDr. Květuše Ettlerová ²; Ústav lékařské biofyziky LF UK Hradec Králové přednosta doc. Ing. Josef Hanuš, CSc. ³
Published in: Čes-slov Derm, 84, 2009, No. 6, p. 332-340
Category: Clinical and laboratory Research

Overview

The peanut allergy represents an increasing problem in Western countries. The at-risk subject is an atopic individual. The study performed in the period 2005–2009 evaluates the symptoms of atopic patients after peanut ingestion, the importance of atopy patch tests (and other methods) in the diagnostics of peanut allergy and the relation to pollen allergy in this patients group.

The most common symptoms described in atopic patients older than 14 years with atopic eczema included the oral allergy syndrom (17 %) and less common gastrointestinal and skin problems ( 2,8 %). Sensitivity of atopy patch tests to peanuts was 13,8 %, sensitivity of specific IgE antibodies and skin prick tests was 38,9 % and 47,2 %, respectively.

From 175 patients included in the study 46 (26 %) patients suffered from pollen allergy.

Our study confirmed the relation between the pollen allergy and the severity of symptoms after peanut ingestion. Atopic patients with convincing history of peanut allergy (oral allergy syndrom, gastrointestinal symptoms) suffered from pollen allergy in 33 %. The study demonstrates that atopic patients without anamnestical data of peanut allergy, but with positive specific IgE antibodies, skin prick tests or atopy patch tests suffer from pollen allergy in 64 %.

Our study did not confirm the importance of atopy patch tests in diagnostics of peanut allergy.

Key words:
atopic eczema – atopy patch tests – peanuts – pollen allergy

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Article was published in

Czech-Slovak Dermatology

2009 Issue 6