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Lung disease in systemic sclerosis (scleroderma)

M B Bolster1, R M Silver

  • 1Division of Rheumatology and Immunology, Medical University of South Carolina, Charleston 29425.

Bailliere'S Clinical Rheumatology
|February 1, 1993
PubMed
Summary
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Scleroderma (SSc) lung disease, including interstitial lung disease and pulmonary hypertension, significantly impacts patient prognosis. Early identification and intervention are crucial but challenging due to subtle early signs.

Area of Science:

  • Rheumatology
  • Pulmonology
  • Internal Medicine

Background:

  • Scleroderma (SSc) is a fibrotic disease where end-organ damage, particularly microvascular injury and fibrosis, dictates prognosis.
  • Pulmonary involvement, manifesting as parenchymal fibrosis or pulmonary hypertension, is a leading cause of morbidity and mortality in SSc patients.

Purpose of the Study:

  • To highlight the critical prognostic importance of pulmonary involvement in Scleroderma (SSc).
  • To emphasize the challenges in early identification of SSc-related lung disease.
  • To underscore the need for improved therapeutic strategies and understanding of disease pathogenesis.

Main Methods:

  • Review of clinical manifestations and prognostic implications of pulmonary disease in Scleroderma (SSc).
  • Analysis of diagnostic challenges, including subtle presentation and minimally abnormal test results.

Related Experiment Videos

  • Evaluation of current therapeutic outcomes and their limitations.

    • Main Results:

    • Interstitial lung disease is common in diffuse SSc, causing reduced lung volume and impaired gas exchange.
    • Pulmonary hypertension can result from parenchymal fibrosis or occur isolated in limited SSc, detectable by reduced diffusing capacity of the lungs for carbon monoxide (DLCO).
    • Early detection is difficult as significant lung pathology may coexist with minimal symptoms or normal initial test results.

    Conclusions:

    • Pulmonary complications significantly worsen SSc prognosis, necessitating early detection strategies.
    • Current therapies offer limited benefits, emphasizing the need for further research into SSc pathogenesis for improved interventions.
    • Identifying pulmonary disease at a potentially reversible stage is essential for better patient outcomes.