• Rev Mal Respir · Jun 2021

    Review

    [New developments in the management of hypersensitivity pneumonitis].

    • L Michaux and A Froidure.
    • Service de pneumologie, cliniques universitaires Saint-Luc, Avenue Hippocrate, 10, 1200 Bruxelles, Belgique.
    • Rev Mal Respir. 2021 Jun 1; 38 (6): 607-615.

    IntroductionHypersensitivity pneumonitis (HP) is one of the most common interstitial lung diseases, characterized by an inflammatory and/or fibrotic reaction to inhaled antigens.BackgroundThe heterogeneity of presentation and the lack of international guidelines makes management complex. In addition, the current treatment, based on antigen eviction and immunosuppressive drugs, is less effective in the fibrotic forms of HP. This article summarizes the latest data on HP and the new recommendations of the American Thoracic Society (ATS) on the diagnosis of HP.ConclusionThe new ATS recommendations establish a more precise and rigorous diagnostic approach to HP. Multidisciplinary discussion plays a pivotal role both in the diagnosis and the treatment of the disease. Nintedanib has recently been shown to be effective in fibrotic HP.PerspectivesQuestions remain unanswered about the optimal therapeutic strategy in fibrotic HP, which underlines the need to carry out large-scale studies.Copyright © 2021 SPLF. Published by Elsevier Masson SAS. All rights reserved.

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