Sjögren's disease & overlap diseases

Characterisation of airway disease associated with Sjögren disease

RMD OpenPublished Retrospective cohort study

Authors' conclusion

Sjo-AD preferentially affects Sjo patients with higher biological activity. It is often characterised as a diffuse disease, affecting both proximal and distal airways, with a slow evolution over time and no progression to Sjo-ILD.

Study context

Population
Patients with SjD with or without airway disease, nine centresmatched controls
Participants
31 vs 62
Exposure
SjD-associated airway disease vs SjD controls without pulmonary involvement
  • Sjo-ADn = 31
  • Sjo controlsn = 62reference
Outcome
Disease activity (ESSDAI), excluding pulmonary domain
Methodological detailsmulticentre, matched for age and disease duration, central CT review by a single thoracic radiologist
  • Multicentre
  • Matched for age and disease duration
  • Central CT review by a single thoracic radiologist

Main finding

As reported in the abstract

Sjo-AD

7

Sjo controls

3.8

P < 0.05

Observational data: associations, not effects.

Further findings

Sjo-AD characteristics

Multilobar
72%
Signs of both bronchiectasis and bronchiolitis
60%
Obstructive lung disease at Sjo-AD diagnosis
32%

Sjo-AD course

Pulmonary function test (PFT) stable overall; follow-up, years
8.7±7
Extended lesions on repeated CT
41%
Time to repeated CT, years
6±3.2
Patients developing Sjo-ILD
0
Sjo-AD progression independent of global disease activity

Original publication

Characterisation of airway disease associated with Sjögren disease. RMD Open. Published 29 February 2024. doi:10.1136/rmdopen-2023-003866

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