Improvement in Esophageal Distensibility in Response to Medical and Diet Therapy in Eosinophilic Esophagitis

Overview

Journal Clin Transl Gastroenterol

Specialty Gastroenterology

Date 2017 Oct 6

PMID 28981080

Citations 42

Authors

Dustin A Carlson

Ikuo Hirano

Angelika Zalewski

Nirmala Gonsalves

Zhiyue Lin

John E Pandolfino

Affiliations

Soon will be listed here.

Abstract

Objectives: We aimed to evaluate the effect of medical and diet therapies on esophageal distensibility assessed using the functional lumen imaging probe (FLIP) and the association of changes in esophageal distensibility with clinical outcomes in eosinophilic esophagitis (EoE).

Methods: Patients with EoE were evaluated with FLIP during endoscopy at baseline and following therapy without interval dilatation. Evaluation also included a validated patient-reported outcome (PRO; a positive PRO was considered at a 30% score improvement), mucosal biopsies, and scoring of endoscopic features of EoE. FLIP data were analyzed to calculate the distensibility plateau (DP).

Results: In all, 18 patients (ages 19-54 years; 4 female) treated with topical steroid (8), elimination diet (6), and/or proton-pump inhibitor (4 only treated with proton-pump inhibitor) were included. Follow-up testing occurred at a mean (range) of 14.6 (8-28) weeks. Improvement was observed in DP (13.9 (12.2-19.2) to 16.8 mm (15.8-19.2), P=0.007) and peak eosinophil count (45 (29-65) to 23 per high-power field (h.p.f.) (5-53), P=0.042). Nine patients had a positive symptomatic outcome. Six of 8 (75%) patients with a DP increase ≥2 mm had a positive PRO (P=0.077), while 2 of 7 (29%) patients that achieved an eosinophil count <15/h.p.f. had a positive PRO (P=0.167).

Conclusions: Improvement in esophageal body distensibility can be achieved with medical and diet therapies without dilation in EoE. Improved DP appeared to be better indicator of symptomatic improvement than eosinophil count, supporting FLIP as a valuable outcome measure in EoE.

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