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  • Title: Prevalence of eosinophilic esophagitis in patients with refractory gastroesophageal reflux disease symptoms: A prospective study.
    Author: García-Compeán D, González González JA, Marrufo García CA, Flores Gutiérrez JP, Barboza Quintana O, Galindo Rodríguez G, Mar Ruiz MA, de León Valdez D, Jaquez Quintana JO, Maldonado Garza HJ.
    Journal: Dig Liver Dis; 2011 Mar; 43(3):204-8. PubMed ID: 20843755.
    Abstract:
    BACKGROUND: Eosinophilic esophagitis (EoE) is not routinely considered in the differential diagnosis of refractory gastroesophageal reflux disease (GERD). AIMS: To prospectively evaluate the prevalence of EoE and describe the clinical features and predictors of EoE in patients with refractory symptoms of GERD. METHODS: Esophageal biopsies were obtained in patients with symptoms of GERD refractory to 8 weeks of conventional antisecretory therapy. Diagnosis of EoE was defined as at least 20 eosinophils × high power field and clinical unresponsiveness to proton pump inhibitors. Clinical and manometric features were compared. Independent risk factors predicting EoE were identified. RESULTS: Six out of 150 included patients (4%) met the diagnostic criteria for EoE. Patients with EoE were significantly younger, had significantly more dysphagia, atopy, ineffective esophageal peristalsis, esophageal rings and esophageal strictures than patients without EoE. Independent predictors of EoE were: age under 45 years (OR 4.8, 95% CI 2.4-8.6), dysphagia (OR 12.2, 95% CI 4.3-19.4), and atopy (OR 3.4, 95% CI 1.5-7.4). CONCLUSIONS: EoE is an uncommon condition (4%) in patients with refractory symptoms of GERD. Age under 45 years, atopy or dysphagia may warrant suspicion of EoE in this subset of patients.
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