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Related Concept Videos

Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
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Esophageal Strictures-II: Clinical Features and Management01:26

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Three-Dimensional Cell Culture Models to Investigate the Epithelial Barrier in Eosinophilic Esophagitis
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Chapter 26: Eosinophilic esophagitis.

Karen Hsu Blatman, Anne Marie Ditto

    Allergy and Asthma Proceedings
    |July 17, 2012
    PubMed
    Summary
    This summary is machine-generated.

    Eosinophilic esophagitis (EoE) is an allergic condition causing eosinophil buildup in the esophagus, distinct from GERD. Topical corticosteroids are the leading treatment for EoE symptoms and eosinophilia.

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    Area of Science:

    • Gastroenterology
    • Allergy Immunology
    • Pathology

    Background:

    • Eosinophilic esophagitis (EoE) is an allergic inflammatory disease characterized by esophageal eosinophilia.
    • It is differentiated from gastroesophageal reflux disease (GERD) by persistent eosinophil presence despite proton-pump inhibitor therapy.
    • EoE presents with varied symptoms across age groups, including feeding disorders in young children and dysphagia or food impaction in older children and adults.

    Purpose of the Study:

    • To summarize the key diagnostic features and current management strategies for Eosinophilic Esophagitis (EoE).
    • To highlight the differences between EoE and GERD.
    • To discuss the role of diet and pharmacotherapy in EoE treatment.

    Main Methods:

    • Review of clinical presentation, endoscopic findings, and histological criteria for EoE diagnosis.
    • Discussion of molecular mechanisms including mast cell activation, IL-5, and eotaxin-3.
    • Evaluation of treatment efficacy for dietary interventions and topical corticosteroids.

    Main Results:

    • EoE diagnosis relies on persistent esophageal eosinophilia (≥15 eosinophils/high-power field) and specific endoscopic findings like linear furrows and white plaques.
    • Molecular studies show increased IL-5 and eotaxin-3 expression in EoE mucosa.
    • Dietary therapy (elemental/amino acid-based formula) is effective in children, while topical corticosteroids are the established pharmacotherapy for improving symptoms and eosinophilia.

    Conclusions:

    • Eosinophilic esophagitis (EoE) is a distinct allergic condition diagnosed by esophageal eosinophilia and specific clinical/histological findings.
    • While dietary changes can be effective, particularly in children, topical corticosteroids represent the current gold standard for managing EoE.
    • Understanding the pathophysiology and diagnostic markers is crucial for effective management of this growing condition.