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Autoantibodies and cardiac arrhythmias
Hon-Chi Lee1, Kristin T L Huang, Xiao-Li Wang
1Department of Internal Medicine, Division of Cardiovascular Diseases, Mayo Clinic Rochester, Rochester, Minnesota 55905, USA. Lee.honchi@mayo.edu
Insights
Autoimmune diseases can impact heart health, with autoantibodies increasingly linked to cardiac arrhythmias like atrial fibrillation. Further research is crucial to understand these autoimmune-cardiac connections.
Area of Science:
- Cardiology
- Immunology
- Pathophysiology
Background:
- Autoimmune diseases affect 5% of the US population, predominantly women.
- Autoimmune pathogenesis was historically underestimated in cardiovascular disorders.
- Emerging evidence links autoimmune mechanisms to various cardiac conditions.
Purpose of the Study:
- To review current evidence on autoantibodies in cardiac arrhythmia development.
- To highlight the understudied relationship between autoimmunity and cardiovascular disease.
Main Methods:
- Literature review of recent studies.
- Analysis of research on autoantibodies and cardiac arrhythmias.
- Examination of autoimmune-mediated vascular and cardiac conditions.
Main Results:
- Autoantibodies are implicated in atrial fibrillation and ventricular arrhythmias.
- Autoantibodies modulate autonomic influences on heart rate and rhythm.
- Conduction system abnormalities are also associated with autoantibodies.
Conclusions:
- Autoimmune processes are significant contributors to cardiac arrhythmias.
- Understanding autoantibody roles is vital for cardiovascular health.
- Further investigation into autoimmune-cardiac links is warranted.
Abstract:
Autoimmune diseases are associated with significant morbidity and mortality, afflicting about 5% of the US population. They encompass a wide range of disorders that affect all organs of the human body and have a predilection for women. In the past, autoimmune pathogenesis was not thought to be a major mechanism for cardiovascular disorders, and potential relationships remain understudied. However, accumulating evidence suggests that a number of vascular and cardiac conditions are autoimmune mediated. Recent studies indicate that autoantibodies play an important role in the development of cardiac arrhythmias, including atrial fibrillation, modulation of autonomic influences on heart rate and rhythm, conduction system abnormalities, and ventricular arrhythmias. This article will review the current evidence for the role of autoantibodies in the development of cardiac arrhythmias.
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