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Interstitial lung disease in the elderly

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posted on 2023-06-09, 17:30 authored by Karen PattersonKaren Patterson, Rupal J Shah, Mary K Porteous, Jason D Christie, Carly A D’Errico, Matthew Chadwick, Matthew J Triano, Charuhas Deshpande, Milton D Rossman, Leslie A Litzky, Maryl Kreider, Wallace T Miller Jr
Background Despite the relationship between idiopathic pulmonary fibrosis (IPF) and advancing age, little is known about the epidemiology of interstitial lung disease (ILD) in the elderly. We describe the diagnoses, clinical characteristics, and outcomes of patients who were elderly at the time of ILD diagnosis. Methods Among subjects from a prospective cohort study of ILD, elderly was defined as age = 70 years. Diagnoses were derived from a multidisciplinary review. Differences between elderly and nonelderly groups were determined using the ?2 test and analysis of variance. Results Of the 327 subjects enrolled, 80 (24%) were elderly. The majority of elderly subjects were white men. The most common diagnoses were unclassifiable ILD (45%), IPF (34%), connective tissue disease (CTD)-ILD (11%), and hypersensitivity pneumonitis (8%). Most elderly subjects (74%) with unclassifiable ILD had an imaging pattern inconsistent with usual interstitial pneumonia (UIP). There were no significant differences in pulmonary function or 3-year mortality between nonelderly and elderly subjects combined or in a subgroup analysis of those with IPF. Conclusions Although IPF was the single most common diagnosis, the majority of elderly subjects had non-IPF ILD. Our findings highlight the need for every patient with new-onset ILD, regardless of age, to be surveyed for exposures and findings of CTD. Unclassifiable ILD was common among the elderly, but for most, the radiographic pattern was inconsistent with UIP. Although the effect of ILD may be more pronounced in the elderly due to reduced global functionality, ILD was not more severe or aggressive in this group.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Chest

ISSN

0012-3692

Publisher

Elsevier

Issue

4

Volume

151

Page range

838-844

Department affiliated with

  • Clinical and Experimental Medicine Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2019-04-04

First Open Access (FOA) Date

2019-04-09

First Compliant Deposit (FCD) Date

2019-04-09

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