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  • Title: Conservative long-term treatment of children with eosinophilic esophagitis.
    Author: Levine J, Lai J, Edelman M, Schuval SJ.
    Journal: Ann Allergy Asthma Immunol; 2012 May; 108(5):363-6. PubMed ID: 22541409.
    Abstract:
    BACKGROUND: Current treatments of eosinophilic esophagitis (EoE), including restrictive diets or glucocorticoids, provide only transient improvement. Proton pump inhibitor (PPI) use in EoE does not lead to histologic improvement; however, the long-term use of PPI on symptoms and prevention of complications has not been evaluated. OBJECTIVE: To evaluate the use of PPI as maintenance therapy in children with EoE. METHODS: Eosinophilic esophagitis was diagnosed based on initial endoscopic biopsies and persistent eosinophilic inflammation despite PPI therapy. Inclusion criteria included diagnosis of EoE and PPI use as primary maintenance treatment. Patients were excluded if they were treated with dietary or glucocorticoid therapy. Histologic evidence of inflammation as well as degree of subepithelial fibrosis at presentation was compared with most recent biopsies while receiving PPI therapy. RESULTS: Thirty-eight patients (30 males and 8 females; average age 6.7 ± 5.4 years) fulfilled inclusion criteria. Duration of follow-up was 3.0 ± 2.4 years. At presentation, vomiting was significantly more frequent in the younger patients, whereas dysphagia occurred more frequently in the older patients. At follow-up, 26 patients were asymptomatic, and the remaining 12 patients' symptoms were significantly improved. No complications of stricture or food impaction were seen. Significant eosinophilic inflammation persisted in 28 patients. No difference in degree of subepithelial fibrosis at diagnosis compared with most recent biopsies. The z-scores of the treated EoE patients significantly improved. CONCLUSION: Patients with EoE treated with PPIs show an improvement in symptoms and z-scores despite persistent eosinophilic inflammation. PPI treatment may be useful maintenance therapy in children with EoE.
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