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Related Experiment Videos

Isolated pulmonary hypertension in scleroderma.

S R Cox1, J G Walker, M Coleman

  • 1Department of Immunology, Allergy and Arthritis, Flinders Medical Centre, Adelaide, South Australia, Australia.

Internal Medicine Journal
|January 26, 2005
PubMed
Summary

Pulmonary hypertension (PHT) is a frequent cause of death in limited scleroderma, affecting over 11% of patients. This complication significantly shortens survival, highlighting the need for early intervention.

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Area of Science:

  • Rheumatology
  • Cardiology
  • Pulmonology

Background:

  • Isolated pulmonary hypertension (PHT) is the leading cause of death in limited cutaneous scleroderma.
  • Current treatments offer symptomatic relief but do not improve survival rates.

Purpose of the Study:

  • To determine the incidence, characteristics, and survival outcomes of patients with isolated PHT in a scleroderma cohort.
  • To understand the clinical course and prognostic factors associated with PHT in scleroderma.

Main Methods:

  • Systematic review of patient data from the South Australian Scleroderma Register.
  • Inclusion of both living and deceased patients for comprehensive analysis.

Main Results:

  • Thirty-four patients with isolated PHT were identified, predominantly with limited scleroderma.

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  • Over 11% of limited scleroderma patients develop PHT as a late-stage complication (approx. 20 years post-symptoms).
  • PHT patients exhibited telangiectasia, digital ulcers, reduced diffusing capacity, and elevated pulmonary artery pressure, with significantly shortened survival (2.5 years mean post-symptom onset).
  • Conclusions:

    • Isolated PHT is a late-stage complication in at least 11% of limited cutaneous scleroderma patients, leading to rapid death from right heart failure.
    • Early intervention with endothelin-1 receptor antagonists may alter the prognosis of this fatal condition.