Demographic, Clinical, and Allergic Characteristics of Children with Eosinophilic Esophagitis in Isfahan, Iran

  • Tooba Momen Department of Asthma, Allergy and Clinical Immunology, Child Growth and Development Research Center, Research Institute of Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
  • Hossein Saneian Department of Pediatric Gastroenterology, Child Growth and Development Research Center, Research Institute of Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
  • Nilufar Amini Pediatric Ward, Child Growth and Development Research Center, Research Institute of Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
Keywords: Child, Esophagitis, Eosinophilic, Food

Abstract

Eosinophilic esophagitis (EoE) is a chronic immune-mediated disease isolated to the esophagus Food allergy is thought to play an important role in the pathophysiology of EOE. The aim of this study is to evaluate demographic features and sensitivity of patients with reference to common food allergens. Children with documented EoE were enlisted for this study. Skin prick test and patch test were done for all participants. Each test contained common food allergens. Other tests, such as evaluation of total IgE and eosinophil count, were also done. A total of 30 patients (the mean age of participants was 3±6 years) with 6 months to 15 years documented EoE participated in this study. The mean duration of symptoms was 2 years. Association with other allergic disorders was seen in 16 (32%) patients [Asthma in 8 (26.7%), allergic rhinitis in 5 (16.7%) and eczema in 3 (10%)]. The mean level of total IgE was 413.5±505.5 (IU/ML): total IgE level was above normal range for age in 17 children. The mean level of eosinophil was 372.2±305.2, and eosinophilia was seen in 11 patients (36.7%). The skin prick test and patch test findings showed that 28 patients (93%) and 17 of 30 patients (56.6%) tested positive to foods respectively. The most common positive skin prick test was for sesame and walnut. Patch test showed that the most common positive test was for fish. Evaluating the symptoms indicated that vomiting (70%) is the most prevalent symptom in patients; the less prevalent symptom was dysphagia (3.3%). Other prevalent symptoms were subsequent abdominal pain (33.3%), gaining weight failure (33.3%), heartburn (16.6%), cough (10%), fecal impaction (10%), and constipation (6.66%). Our series confirms the high degree of atopy in Iranian children with EoE. These patients seem to be polysensitized to several food allergens Because of different eating cultures in different countries, considering special food in selecting allergens for allergic tests is needed.

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Published
2018-12-03
How to Cite
1.
Momen T, Saneian H, Amini N. Demographic, Clinical, and Allergic Characteristics of Children with Eosinophilic Esophagitis in Isfahan, Iran. Iran J Allergy Asthma Immunol. 17(6):533-539.
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Original Article(s)