Arrhythmias in Systemic Sclerosis: A Call for Interdisciplinarity Teams
Abstract
Background: Systemic sclerosis (SSc) is a rare autoimmune disease characterized by progressive fibrosis, systemic inflammation and vascular dysfunction, with manifestations that can affect multiple organs, including the heart. Cardiac involvement in SSc is often underdiagnosed, although it can have serious consequences on the prognosis, especially the occurrence of arrhythmias. These rhythm disturbances can result from direct damage to the myocardium, the conduction system, or the coronary microcirculation. Equally, the medication used can have iatrogenic consequences manifested by severe arrhythmias.
Methodology: The aim of this study was to provide a synthesis of incidence, pathogenic mechanisms, diagnostic methods, and therapeutic strategies of arrhythmias associated with SSc. The potential effects of immunomodulatory therapies, such as conventional immunosuppressants and biological therapies, on cardiac electrical function were also analyzed. This narrative review could present the state of the art on arrhythmias associated with SSc, which could serve as a practical guide. In clinical practice, it is necessary to establish a team that includes cardiologists and rheumatologists as well as other specialists to contribute to a correct diagnosis followed by an optimal therapy in patients with SSc.
Results: Current data suggest that diffuse myocardial fibrosis, silent ischemia, and inflammatory infiltration may alter the propagation of the electrical impulse in the heart,…
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