• A Castro Jiménez, E Gómez Torrijos, R García Rodríguez, F Feo Brito, J Borja Segade, P A Galindo Bonilla, J Rodríguez-Sánchez, and F Guerra Pasadas.
• Allergology Section, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain; Eosinophilic Esophagitis Research Group, Hospital General Universitario de Ciudad Real, Spain. Electronic address: aracelicast82@hotmail.com.
• Allergol Immunopathol (Madr). 2014 Sep 1;42(5):407-14.

BackgroundEosinophilic esophagitis (EoE) is a chronic inflammatory emerging disease of the oesophagus with immunoallergic aetiology. The allergens involved have not been clearly defined and may depend on the exposure of the population to aeroallergens or food antigens.Materials And MethodsPatients diagnosed with EoE between 2006 and 2011 were referred to our Allergy Section. Patch and skin prick tests (SPT) with aeroallergens and foods were performed, and total and specific IgE levels, eosinophil cationic protein levels and eosinophil count were determined.Results43 patients were included. 36 (83.7%) were atopic. 29 patients presented choking, 19 dysphagia, 9 food impaction with urgent endoscopy, 4 chest pain, 1 isolated vomiting and 1 epigastric pain. 22 had two or more symptoms. The mean duration of symptoms was 3.73 years. Concomitant allergic diseases included rhinoconjunctivitis and/or asthma (31 patients), IgE food allergy (21 patients) and atopic dermatitis (3 patients). 32 (74%) were sensitized to aeroallergens, of which 90% were sensitized to pollens; 23 (54%) showed positive tests to foods and 12 of them (52%) to lipid transfer proteins (LTP). Of the 29 pollen-allergic patients, 15 (52%) were sensitized to plant foods and 10 (34.4%) to LTP.ConclusionsOur findings support those reported in the literature: the disease is more common in men aged 30-40 years with at least a three-year history of symptoms of esophageal dysfunction, sensitized to pollens, the predominant aeroallergen in our area, but also to plant foods or panallergens. These results increase the evidence for an immunoallergic aetiology and can help us in the early diagnosis of EoE.Copyright © 2013 SEICAP. Published by Elsevier Espana. All rights reserved.

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