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Heartburn and dyspepsia symptom severity improves after treatment and correlates with histology in adults with eosinophilic esophagitis.

Non-dysphagia symptoms, such as heartburn and dyspepsia, are poorly characterized in adults with eosinophilic esophagitis (EoE). It is unclear if treatment improves these symptoms. The aim of this paper was to assess (i) heartburn and dyspepsia symptom severity in adult EoE patients using validated symptom measures; (ii) change in symptoms after treatment; and (iii) symptom association with endoscopic and histologic features. In a prospective cohort of adult EoE patients who were not responsive to proton pump inhibitor therapy, non-dysphagia symptoms were assessed with heartburn items from the validated GERD-HRQL (gastroesophageal reflux disease health-related quality of life) and SODA (severity of dyspepsia assessment) instruments. Subjects completed the questionnaires at baseline and after treatment. Association of baseline symptoms with endoscopic and histologic features, and before and after treatment with diet or topical steroids, was assessed. Eighty-six EoE patients (mean age 39 years, 57% male, 95% white) completed a baseline questionnaire and 62 completed the follow-up questionnaire. The mean baseline GERD-HRQL score was 4.5 ± 6.5 and the mean total SODA score was 41.0 ± 12.6. At baseline, there was a weak but significant correlation between peak eosinophils and the SODA score (r = 0.28; p = 0.03) and no association between heartburn and SODA scores and endoscopic or other histologic findings. After treatment, there was a decrease in GERD-HRQL heartburn (4.3 vs. 2.6; p = 0.04) and SODA (49.5 vs. 35.5; p = 0.04) scores in histologic responders, but not in nonresponders. In a prospective cohort of EoE patients, baseline eosinophils positively correlated with dyspepsia severity. Heartburn and dyspepsia symptoms improved after treatment in histologic responders.