Hypersensitivity Pneumonitis: Updates in Evaluation, Management, and Ongoing Dilemmas.

Document Type

Article

Publication Date

5-2023

Identifier

DOI: 10.1016/j.iac.2023.01.011

Abstract

Hypersensitivity pneumonitis (HP) is a heterogenous disease entity characterized by an aberrant immune response to inhalational antigens. Disease modification hinges on early antigen remediation with a goal to attenuate immune dysregulation. Disease severity and progression are mediated by an interface between degree, type and chronicity of exposure, genetic predisposition, and biochemical properties of the inducing agent. Guidelines have provided a standardized approach; however, decision-making remains with many clinical dilemmas. The delineation of fibrotic and nonfibrotic HP is crucial to identify the differences in clinical trajectories, and further clinical trials are needed to understand optimal therapeutic strategies.

Journal Title

Immunology and allergy clinics of North America

Volume

43

Issue

2

First Page

245

Last Page

257

MeSH Keywords

Humans; Alveolitis, Extrinsic Allergic; Antigens

Keywords

Exposure; Fibrotic; Hypersensitivity pneumonitis; Interstitial lung disease; Lymphocytosis.

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