The heart in scleroderma

Hunter C Champion1

  • 1Division of Cardiology, Department of Medicine, The Johns Hopkins Medical Institutions, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Ross 850, Baltimore, MD 21205, USA. hcc@jhmi.edu

Insights

Scleroderma frequently affects the heart, causing myocardial, conduction, and pericardial diseases. Secondary cardiac dysfunction arises from kidney and lung damage, necessitating further research for effective screening and treatment.

Area of Science:

  • Cardiology
  • Rheumatology
  • Internal Medicine

Background:

  • Scleroderma is a systemic autoimmune disease with significant cardiac involvement.
  • Cardiac manifestations include myocardial disease, conduction abnormalities, arrhythmias, and pericardial disease.
  • Kidney and lung complications (scleroderma renal crisis, pulmonary hypertension) exacerbate cardiac dysfunction.

Purpose of the Study:

  • To summarize the types and mechanisms of cardiac abnormalities in scleroderma.
  • To highlight the growing interest in cardiac dysfunction in scleroderma and related rheumatologic conditions.
  • To emphasize the need for long-term studies in managing cardiac manifestations.

Main Methods:

  • Review of existing literature on cardiac involvement in scleroderma.
  • Discussion of mechanisms underlying cardiac dysfunction.
  • Consideration of advancements in noninvasive imaging techniques.

Main Results:

  • Scleroderma can directly impact heart muscle, electrical conduction, and the pericardium.
  • Secondary cardiac dysfunction is a significant concern due to renal and pulmonary complications.
  • Subclinical cardiac disease detection is improving with new imaging technologies.

Conclusions:

  • Cardiac abnormalities are a major feature of scleroderma, impacting multiple heart components.
  • Understanding the mechanisms of cardiac dysfunction is crucial for patient management.
  • Further long-term research is essential to optimize screening protocols and therapeutic strategies for cardiac manifestations in scleroderma.

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