Clinical characteristics and sensitivity to food and inhalants among children with eosinophilic esophagitis

BMC Research Notes

Gesmar Rodrigues Silva Segundo¹  Rogerio Melo Costa Pinto¹  Amanda Torido Santos¹  Leandro Hideki Ynoue¹  Cristina Palmer Barros¹  Erica Rodrigues Mariano de Almeida Rezende¹ 

[1] Department of Pediatrics, Universidade Federal de Uberlandia, Uberlandia, Minas Gerais, Brazil

关键词: Sensitivity;    Allergy;    Esophagitis;   

Others  :  1134770
DOI  :  10.1186/1756-0500-7-47

 received in 2013-08-13, accepted in 2014-01-14,  发布年份 2014

【 摘 要 】

Background

To understand the clinical characteristics and the diagnostic procedures in pediatric patients with eosinophilic esophagitis and to evaluate the sensitivity of the patients to food and inhalant allergens. A cross-sectional study was performed in 35 children with eosinophilic esophagitis during the time period from January 2010 to January 2011. The clinical and epidemiological data were obtained using a questionnaire and medical chart analysis. The body mass index for age was used for the nutritional evaluation (via the Z score). The sensitivity to foods and inhalants was evaluated by performing a skin prick test and atopy patch test.

Results

Patients (35 in total, median age 10 years) with a diagnosis of eosinophilic esophagitis were evaluated. The most prevalent symptoms in the patients were vomiting (71.4%) and abdominal pain (51.4%). Endoscopic alterations were observed in 97.2% of the patients. A good nutritional state was observed in 82.8% of the children. The tests demonstrated the presence of food sensitivities and/or aeroallergens in 27 (77.1%) patients, whereas 8 (22.9%) patients did not test positive in any of the tests performed. Among the patients with positive tests, 24 (68.5%) exhibited sensitivity to aeroallergens and 16 (45.7%) were sensitive to foods. The comparison between the sensitive and insensitive groups displayed statistically significant results with respect to sex, symptom prevalence, and 24-hour esophageal pH monitoring.

Conclusions

The patients evaluated in this study displayed clinical characteristics of eosinophilic esophagitis similar to those reported in the literature. The sensitivity to foods determined by the tests was less than that observed in prior studies; however, a marked sensitivity to aeroallergens was observed. The different allergen sensitivity profiles observed in this study suggests that, similar to asthma, the eosinophiic esophagitis disease may exhibit several phenotypes.

【 授权许可】

   
2014 Rodrigues Mariano de Almeida Rezende et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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