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Article Dans Une Revue European Journal of Internal Medicine Année : 2021

Interstitial pneumonia with autoimmune features: Evaluation of connective tissue disease incidence during follow-up

Anne Guillaumot
Emmanuel Gomez

Résumé

Objectives Among interstitial pneumonia with autoimmune features (IPAF) patients, identifying those at risk to develop a connective tissue disease (CTD) during the disease course is a key issue. The aim of this study was to evaluate the incidence of definite CTD diagnosis in IPAF patients during follow-up. Methods We performed a multicentric cohort study of interstitial lung disease (ILD) from 2010 to 2017 in pneumology and immunology departments of tertiary care centers. Patients with a known cause of ILD (including established CTD) at diagnosis were excluded. Among patients with idiopathic ILD and at least three years of follow-up, two groups (IPAF and non-IPAF) were retrospectively analyzed at time of diagnosis. Results A total of 249 patients with ILD were enrolled, including 70 IPAF and 179 non-IPAF patients. After a mean follow-up time of 77 ± 44 months, 18/70 IPAF patients (26%) had a CTD diagnosis – 9 antisynthetase syndrome, 8 systemic sclerosis and 1 overlap myositis – compared with 4/179 non-IPAF patients (2%). IPAF patients were at higher risk of CTD occurrence at 3 years of follow-up compared to non-IPAF patients (HR 10.1, 95% CI 3.1–33.1, p < 0. 01). IPAF patients progressing to CTD tended to be younger, more often female and have more frequently puffy fingers, capillaroscopy abnormalities and antisynthetase antibodies at diagnosis. Conclusions We found that a significant proportion of IPAF patients had associated CTD diagnosis during follow-up. Prospective studies are needed to confirm baseline predictive factors of CTD occurrence in IPAF patients.

Dates et versions

hal-04485113 , version 1 (01-03-2024)

Identifiants

Citer

Paul Decker, Vincent Sobanski, Thomas Moulinet, David Launay, Eric Hachulla, et al.. Interstitial pneumonia with autoimmune features: Evaluation of connective tissue disease incidence during follow-up. European Journal of Internal Medicine, 2021, European Journal of Internal Medicine, 97, pp.62-68. ⟨10.1016/j.ejim.2021.12.021⟩. ⟨hal-04485113⟩
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