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P Navarro is recipient of a Sara Borrell grant (CD19/00102) and EJ Laserna-Mendieta of a Juan Rodes grant (JR19/00005), and both from the Instituto de Salud Carlos III (ISCIII), Spanish Ministry of Health - Social Services and Equality, which is partly funded by the European Social Fund (period 2014-2020).

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Accurate and timely diagnosis of Eosinophilic Esophagitis improves over time in Europe. An analysis of the EoE CONNECT Registry

Publicated to:United European Gastroenterology Journal. 10 (5): 507-517 - 2022-05-16 10(5), DOI: 10.1002/ueg2.12240

Authors: Navarro, Pilar; Laserna-Mendieta, Emilio J.; Casabona, Sergio; Savarino, Edoardo; Perez-Fernandez, Maria Teresa; Ghisa, Matteo; Perez-Martinez, Isabel; Guagnozzi, Danila; Perello, Antonia; Guardiola-Arevalo, Antonio; Racca, Francesca; Betore, Elena; Blas-Jhon, Leonardo; Krarup, Anne Lund; Martin-Dominguez, Veronica; Maniero, Daria; Suarez, Adolfo; Llerena-Castro, Ronald; de la Pena-negro, Luisa; Navacerrada, Alicia Granja; Pellegatta, Gaia; Alcedo, Javier; de Hurtado Mendoza-Guena, Lonore; Feo-Ortega, Sara; Barrio, Jesus; Gutierrez-Junquera, Carolina; Fernandez-Fernandez, Sonia; de la Riva, Susana; Naves, Juan; Carrion, Silvia; Ciriza de los Rios, Constanza; Garcia-Morales, Natalia; Rodriguez-Oballe, Juan Armando; Dainese, Raffaela; Rodriguez-Sanchez, Alba; Masiques-Mas, Maria Lluisa; Palomeque, Maria Teresa; Santander, Cecilio; Tamarit-Sebastian, Sonsoles; Arias, Angel; Lucendo, Alfredo J.;

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Abstract

Background Poor adherence to clinical practice guidelines for eosinophilic esophagitis (EoE) has been described and the diagnostic delay of the disease continues to be unacceptable in many settings. Objective To analyze the impact of improved knowledge provided by the successive international clinical practice guidelines on reducing diagnostic delay and improving the diagnostic process for European patients with EoE. Methods Cross-sectional analysis of the EoE CONNECT registry based on clinical practice. Time periods defined by the publication dates of four major sets of guidelines over 10 years were considered. Patients were grouped per time period according to date of symptom onset. Results Data from 1,132 patients was analyzed and median (IQR) diagnostic delay in the whole series was 2.1 (0.7-6.2) years. This gradually decreased over time with subsequent release of new guidelines (p < 0.001), from 12.7 years up to 2007 to 0.7 years after 2017. The proportion of patients with stricturing of mixed phenotypes at the point of EoE diagnosis also decreased over time (41.3% vs. 16%; p < 0.001), as did EREFS scores. The fibrotic sub-score decreased from a median (IQR) of 2 (1-2) to 0 (0-1) when patients whose symptoms started up to 2007 and after 2017 were compared (p < 0.001). In parallel, symptoms measured with the Dysphagia Symptoms Score reduced significantly when patients with symptoms starting before 2007 and after 2012 were compared. A reduction in the number of endoscopies patients underwent before the one that achieved an EoE diagnosis, and the use of allergy testing as part of the diagnostic workout of EoE, also reduced significantly over time (p = 0.010 and p < 0.001, respectively). Conclusion The diagnostic work-up of EoE patients improved substantially over time at the European sites contributing to EoE CONNECT, with a dramatic reduction in diagnostic delay.

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