Hospitalisation patterns in interstitial lung diseases: data from the EXCITING-ILD registry
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Published:2024-01-04
Issue:1
Volume:25
Page:
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ISSN:1465-993X
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Container-title:Respiratory Research
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language:en
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Short-container-title:Respir Res
Author:
Buschulte Katharina,Kabitz Hans-Joachim,Hagmeyer Lars,Hammerl Peter,Esselmann Albert,Wiederhold Conrad,Skowasch Dirk,Stolpe Christoph,Joest Marcus,Veitshans Stefan,Höffgen Marc,Maqhuzu Phillen,Schwarzkopf Larissa,Hellmann Andreas,Pfeifer Michael,Behr Jürgen,Karpavicius Rainer,Günther Andreas,Polke Markus,Höger Philipp,Somogyi Vivien,Lederer Christoph,Markart Philipp,Kreuter Michael
Abstract
Abstract
Background
Interstitial lung diseases (ILD) comprise a heterogeneous group of mainly chronic lung diseases with more than 200 entities and relevant differences in disease course and prognosis. Little data is available on hospitalisation patterns in ILD.
Methods
The EXCITING-ILD (Exploring Clinical and Epidemiological Characteristics of Interstitial Lung Diseases) registry was analysed for hospitalisations. Reasons for hospitalisation were classified as all cause, ILD-related and respiratory hospitalisations, and patients were analysed for frequency of hospitalisations, time to first non-elective hospitalisation, mortality and progression-free survival. Additionally, the risk for hospitalisation according to GAP index and ILD subtype was calculated by Cox proportional-hazard models as well as influencing factors on prediction of hospitalisation by logistic regression with forward selection.
Results
In total, 601 patients were included. 1210 hospitalisations were recorded during the 6 months prior to registry inclusion until the last study visit. 800 (66.1%) were ILD-related, 59.3% of admissions were registered in the first year after inclusion. Mortality was associated with all cause, ILD-related and respiratory-related hospitalisation. Risk factors for hospitalisation were advanced disease (GAP Index stages II and III) and CTD (connective tissue disease)-ILDs. All cause hospitalisations were associated with pulmonary hypertension (OR 2.53, p = 0.005). ILD-related hospitalisations were associated with unclassifiable ILD and concomitant emphysema (OR = 2.133, p = 0.001) as well as with other granulomatous ILDs and a positive smoking status (OR = 3.082, p = 0.005).
Conclusion
Our results represent a crucial contribution in understanding predisposing factors for hospitalisation in ILD and its major impact on mortality. Further studies to characterize the most vulnerable patient group as well as approaches to prevent hospitalisations are warranted.
Publisher
Springer Science and Business Media LLC
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