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Updated: Dec 28, 2025

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Connective tissue disease-associated interstitial lung disease.

R P Oliveira1, R Ribeiro2, L Melo1

  • 1Unidade de Doenças Imunomediadas Sistémicas (UDIMS), Serviço de Medicina IV, Hospital Prof. Doutor Fernando Fonseca, Amadora, Portugal.

Pulmonology
|February 12, 2020
PubMed
Summary
This summary is machine-generated.

Interstitial lung disease (ILD) complicates connective tissue diseases (CTD), with pulmonary hypertension being a key mortality predictor. Early detection and multidisciplinary care are crucial for managing this significant burden.

Keywords:
Connective tissue diseaseInterstitial lung diseaseNintedanibRheumatoid arthritisSystemic sclerosisTocilizumab

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Area of Science:

  • Rheumatology
  • Pulmonology
  • Internal Medicine

Background:

  • Connective tissue diseases (CTD) frequently involve interstitial lung disease (ILD), substantially increasing patient morbidity and mortality.
  • ILD can be a significant complication of CTD, often presenting early in the disease course.

Purpose of the Study:

  • To analyze the treatment experience of an autoimmune specialized unit for CTD-ILD patients.
  • To characterize the CTD-ILD population regarding disease prevalence, imaging, lung function, serology, and treatment.
  • To identify mortality predictors in patients with CTD-ILD.

Main Methods:

  • Retrospective, descriptive, and statistical analysis of 75 CTD-ILD patients.
  • Patients were followed up at an autoimmune diseases unit over a 6-year period.

Main Results:

  • Systemic sclerosis and rheumatoid arthritis were the most common CTDs associated with ILD.
  • Nonspecific interstitial pneumonia was the predominant CT pattern (60%); 35% had isolated diminished DLCO.
  • Pulmonary hypertension was a significant mortality predictor (OR 14.41, p=0.006); biologics were used in 39% of patients.

Conclusions:

  • ILD is a critical complication of CTD, imposing a substantial burden on patients.
  • The early manifestation and clinical significance of ILD in CTD highlight the necessity of integrating chest physicians into autoimmune disease units.