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Summary
Collagen diseases impact the heart, causing conditions like Libmann-Sacks endocarditis and frequent pericarditis. Morphological changes in the A-V node were observed in patients with heart block, indicating significant cardiac involvement.
Area of Science:
- Cardiovascular Pathology
- Rheumatology
- Systemic Autoimmune Diseases
Background:
- Collagen diseases, a group of systemic autoimmune disorders, can affect multiple organs, including the heart.
- Understanding cardiac manifestations is crucial for managing these complex conditions.
Purpose of the Study:
- To investigate the clinical and pathological cardiac abnormalities in patients with collagen diseases.
- To correlate specific cardiac findings with disease type and functional significance.
Main Methods:
- Retrospective analysis of 242 cases with collagen diseases.
- Examination of clinical records and pathological findings of the heart.
- Identification and classification of cardiac abnormalities.
Main Results:
- Atypical verrucous endocarditis (Libmann-Sacks) observed in 2 lupus erythematosus and 1 scleroderma case.
- Pericarditis, myocardial scarring, inflammation, and vasculitis were common findings.
- Morphological changes in the atrioventricular (A-V) node correlated with A-V dissociation or block.
- Heart muscle infarctions occurred in 2 cases; rheumatoid nodules were absent in rheumatoid arthritis patients.
Conclusions:
- Collagen diseases frequently lead to significant cardiac pathology, including endocarditis, pericarditis, and myocardial changes.
- A-V node abnormalities are associated with conduction disturbances in these patients.
- Cardiac evaluation is essential for patients diagnosed with collagen diseases.