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ENGLISH ABSTRACT
JOURNAL ARTICLE
[Increasing diagnosis of eosinophilic esophagitis in Spain].
Anales de Pediatría : Publicación Oficial de la Asociación Española de Pediatría (A.E.P.) 2005 April
INTRODUCTION: Eosinophilic esophagitis is a chronic inflammation of the esophagus characterized by marked eosinophilic infiltration. It is frequently associated with other allergic diseases. In the last few years, the incidence of eosinophilic infiltration has shown a striking increase in Spain, partly due to better knowledge of the disease and to the correct diagnosis of patients previously thought to be suffering from gastroesophageal reflux.
MATERIAL AND METHODS: To report our experience in the diagnosis of eosinophilic esophagitis in the last few years and compare our data with previously published findings and current knowledge of the subject.
RESULTS: From January 1997 to November 2003, 11 patients (nine boys and two girls) were diagnosed with eosinophilic esophagitis. The mean age at diagnosis was 9 years and 7 months. The most frequent symptoms were dysphagia with solids and food impaction. Seven patients had a familial history of allergy. Allergic tests were positive in eight patients; five had food allergy, five were positive for aeroallergens and two patients had mixed allergy. Endoscopy showed esophageal trachealization in two patients and papular whitish exudate in a further two; both these findings are characteristic of eosinophilic esophagitis. Endoscopic appearance was normal in seven patients. Esophageal biopsies showed > 20 eosinophils/hpf. Five patients had eosinophilic infiltration in other parts of the digestive tract. All the patients with food allergy were put on exclusion diets. Three patients received systemic steroids and cromolyn sodium and three received montelukast, with good response in all patients.
CONCLUSIONS: The incidence of eosinophilic esophagitis is increasing. This disease should be considered in patients with longstanding symptoms presumed to be caused by gastroesophageal reflux or motility disorders with poor response to standard therapy. Eosinophilic esophagitis is frequently associated with allergy. A normal appearance of esophageal mucosa on endoscopy should not prevent the clinician from taking multiple biopsies. Patients with eosinophilic esophagitis show good response to anti-allergic treatment.
MATERIAL AND METHODS: To report our experience in the diagnosis of eosinophilic esophagitis in the last few years and compare our data with previously published findings and current knowledge of the subject.
RESULTS: From January 1997 to November 2003, 11 patients (nine boys and two girls) were diagnosed with eosinophilic esophagitis. The mean age at diagnosis was 9 years and 7 months. The most frequent symptoms were dysphagia with solids and food impaction. Seven patients had a familial history of allergy. Allergic tests were positive in eight patients; five had food allergy, five were positive for aeroallergens and two patients had mixed allergy. Endoscopy showed esophageal trachealization in two patients and papular whitish exudate in a further two; both these findings are characteristic of eosinophilic esophagitis. Endoscopic appearance was normal in seven patients. Esophageal biopsies showed > 20 eosinophils/hpf. Five patients had eosinophilic infiltration in other parts of the digestive tract. All the patients with food allergy were put on exclusion diets. Three patients received systemic steroids and cromolyn sodium and three received montelukast, with good response in all patients.
CONCLUSIONS: The incidence of eosinophilic esophagitis is increasing. This disease should be considered in patients with longstanding symptoms presumed to be caused by gastroesophageal reflux or motility disorders with poor response to standard therapy. Eosinophilic esophagitis is frequently associated with allergy. A normal appearance of esophageal mucosa on endoscopy should not prevent the clinician from taking multiple biopsies. Patients with eosinophilic esophagitis show good response to anti-allergic treatment.
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