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Primary eosinophilic lung diseases

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Eosinophilic lung diseases typically present as a triad of pulmonary symptoms, an abnormal chest radiograph, and elevated levels of eosinophils in the sputum and lung tissue. This article focuses on primary causes of eosinophilic lung disease including acute eosinophilic pneumonia, chronic eosinophilic pneumonia, Churg-Strauss syndrome, and hypereosinophilic syndromes. In these disorders elevated eosinophil levels in the tissue lead to inflammation and tissue damage. Peripheral eosinophilia can often be measured when tissue levels are elevated but this is not as reliable a marker as tissue biopsy. Because corticosteroids act through a variety of mechanisms to inhibit eosinophil function and induce apoptosis, they are first-line therapy for eosinophilic lung diseases. Targeted immunosuppressive therapies, such as monoclonal antibodies against key regulatory cytokines for eosinophil production and survival, are not formally approved for eosinophilic lung disease but have shown promising results in published research studies.
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Keywords: AEP; CEP; Churg-Strauss; HES; eosinophilia; eosinophilic; hypereosinophilic; pneumonia; pulmonary; smoking

Document Type: Research Article

Affiliations: Wilford Hall Department of Allergy/Immunology, Wilford Hall Ambulatory Surgical Center, San Antonio, TX, USA

Publication date: 2013-01-01

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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