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Collagenopathic cardiopathies
1II Cattedra di Reumatologia, Università degli Studi di Roma La Sapienza, Italy.
Insights
Collagenopathic cardiopathies, linked to connective tissue disorders, are more common than previously thought. These conditions stem from either inherited or acquired causes, impacting cardiovascular health.
Area of Science:
- Cardiology
- Genetics
- Immunology
Background:
- Collagenopathic cardiopathies involve congenital or acquired connective tissue anomalies.
- These disorders are more frequent than previously estimated due to connective tissue's widespread distribution.
- They are categorized into hereditary and acquired groups.
Purpose of the Study:
- To explore the etiologic, pathogenetic, and clinical aspects of collagenopathic cardiopathies.
- To review hereditary connective tissue diseases affecting the heart, including Marfan's syndrome and Ehlers-Danlos syndrome.
- To examine acquired connective tissue diseases with cardiovascular implications, such as rheumatoid arthritis and lupus erythematosus.
Main Methods:
- Review of hereditary connective tissue diseases (e.g., Marfan's, Ehlers-Danlos, osteogenesis imperfecta).
- Analysis of acquired connective tissue diseases (e.g., rheumatoid arthritis, lupus erythematosus, scleroderma).
- Investigation of pathogenetic mechanisms including antigens, immune complexes, and cell-mediated immunity.
Main Results:
- Hereditary conditions often involve specific metabolic disturbances leading to cardiovascular damage.
- Acquired conditions share common pathogenetic characteristics, involving antigens and immune complexes.
- Histocompatibility antigens and immune system disturbances play a significant role.
Conclusions:
- Collagenopathic cardiopathies represent a significant clinical interest due to their varied origins and widespread impact.
- Understanding the genetic and acquired pathways is crucial for diagnosis and management.
- Immune system involvement is a key factor in the pathogenesis of acquired forms.
Abstract:
Collagenopathic cardiopathies are a subject of extreme etiologic, pathogenetic and clinical interest. These disorders are associated with congenital or acquired anomalies of the connective tissue and because of the diffusion and nearly total distribution of this tissue, have a higher frequency than what has been previously estimated. The collagenopathic cardiopathies, can be divided into two main groups: one deriving from hereditary connective tissue diseases, and the other from acquired connective tissue diseases. The first group has a Mendelian type of transmission whereas the other appears to be secondary to various kinds of stimuli (viral, immunologic etc.) although polygenic factors are present. Of the first group we considered Marfan's syndrome, the Ehlers-Danlos syndrome, osteogenesis imperfecta, pseudoxanthoma elasticum, cutis laxa and the diseases of the fundamental substance with particular reference to mucopolysaccharidosis type 1H (Hurler's syndrome). In all of these disorders a specific metabolic disturbance is responsible for the cardiovascular damage which is expressed, depending on the specific genetic component in a more or less serious form. Among the acquired diseases of the connective tissue, we examined rheumatoid arthritis, systemic lupus erythematosus, polydermatomyositis, scleroderma; of the reactive arthritis, rheumatic fever; of the seronegative forms, spondyloarthritis, ankylosing spondylitis and Reiter's syndrome, mixed connective tissue disease and Lyme's disease. It must be emphasized that all of these disorders share relatively common pathogenetic characteristics which point to the importance of the presence of various types of antigens, immune complexes and the significant role of some of the histocompatibility antigens, as well as possible disturbances of cell-mediated immunity.(ABSTRACT TRUNCATED AT 250 WORDS)