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We read the article by Molina-Infante et al1 with great concern as it proposes a major change in the current practice guidelines for managing patients presenting for care by gastroenterologists worldwide. Proton pump inhibitor-responsive oesophageal eosinophilia (PPI-REE)1 is characterised by an eosinophilic infiltrate of the oesophageal epithelium that is responsive to PPI therapy alone. The authors suggest that endoscopies should be performed prior to a therapeutic trial of PPI, so as not to miss this subtype of eosinophilic oesophagitis (EoE). We maintain that these two entities not only have yet to be proven to be the same pathophysiological process, but also that performing an initial endoscopy with biopsy would not change the current practice of first using a PPI before or after the …
Contributors ABM, M-LW, JMS and DM: manuscript writing. JM and GF: critical review of manuscript. CAL: manuscript writing and acquisition of data.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.