Risk factors for atherosclerosis development in patients with systemic scleroderma

Аннотация

Systemic scleroderma (SSc), also known as systemic sclerosis, is a rare autoimmune disorder characterized by fibrosis of the skin and internal organs, as well as vascular abnormalities. Atherosclerosis, the accumulation of lipids and fibrous tissue in arterial walls, is a significant cause of cardiovascular morbidity and mortality. Patients with systemic scleroderma are at an elevated risk for developing atherosclerosis, with vascular damage playing a central role in its pathogenesis. This article reviews the multifactorial risk factors contributing to the development of atherosclerosis in patients with systemic scleroderma, focusing on endothelial dysfunction, chronic inflammation, dyslipidemia, and other clinical factors. The goal of this article is to enhance the understanding of cardiovascular risk in this population and emphasize the importance of early diagnosis and targeted interventions. Keywords: Systemic scleroderma, atherosclerosis, cardiovascular diseases, endothelial dysfunction, lipid abnormalities, autoimmune diseases. inflammatory process that results in the accumulation Introduction: Systemic scleroderma (SSc) is a systemic of cholesterol and other materials in arterial walls, has autoimmune disease that primarily affects the skin but become a major concern in the management of can also involve internal organs, including the heart, systemic scleroderma. Atherosclerosis in SSc is a lungs, kidneys, and gastrointestinal tract. Vascular multifactorial process influenced by both the disease- involvement is one of the hallmark features of systemic specific mechanisms and traditional cardiovascular risk scleroderma and is characterized by microvascular factors [2,8]. The pathophysiology of atherosclerosis in abnormalities, including vasospasm, capillary loss, and systemic scleroderma is complex and involves fibrosis of the blood vessels [1]. While the primary endothelial dysfunction, inflammatory mediators, lipid clinical focus of systemic scleroderma has often been abnormalities, and changes in the vascular smooth its fibrotic aspects, there is increasing recognition of muscle. This review will examine the primary risk the heightened risk of cardiovascular diseases (CVD) in factors that predispose systemic scleroderma patients these patients. Specifically, atherosclerosis, a chronic to atherosclerosis and discuss their clinical American Journal Of Biomedical Science & Pharmaceutical Innovation 17 https://theusajournals.com/index.php/ajbspi American Journal of Applied Science and Technology (ISSN: 2771-2745) implications. atherosclerotic plaques. The mechanisms underlying dyslipidemia in SSc are complex and involve altered Pathophysiology of Atherosclerosis in Systemic lipid synthesis, oxidative stress, and inflammation Scleroderma. The pathogenesis of atherosclerosis in [5,11]. This dyslipidemic profile increases the likelihood systemic scleroderma involves a combination of of lipid deposition in the arterial walls, thereby endothelial dysfunction, inflammation, and impaired fostering the development of atherosclerosis. vascular repair. In SSc, vascular injury occurs due to fibrosis, immune cell activation, and chronic Hypertension. Hypertension is a common comorbidity inflammation. Endothelial cells in patients with in patients with systemic scleroderma and significantly systemic sclerosis exhibit increased permeability, increases the risk of atherosclerosis. Renal involvement decreased nitric oxide production, and upregulation of in SSc, including scleroderma renal crisis, can lead to adhesion molecules, leading to the recruitment of secondary hypertension, which accelerates the inflammatory cells [3]. This results in the formation of progression of vascular damage. Furthermore, the use an atherosclerotic plaque, which may progress more of corticosteroids in SSc treatment may also contribute rapidly due to the vascular abnormalities intrinsic to to elevated blood pressure. Hypertension induces systemic scleroderma. mechanical stress on the endothelial cells, enhances inflammation, and promotes plaque instability, all of Endothelial Dysfunction and Microvascular Injury. which facilitate the development of atherosclerosis. Endothelial dysfunction is a critical early event in the pathogenesis of atherosclerosis, and it is exacerbated Immune System Dysfunction and Autoimmunity. The in systemic scleroderma due to microvascular damage. autoimmune nature of systemic scleroderma In SSc, endothelial cells are injured by both mechanical predisposes patients to abnormal immune responses forces, such as shear stress from blood flow, and by that can exacerbate vascular injury. The presence of inflammatory mediators. The presence of Raynaud's specific autoantibodies in SSc, such as anti-Scl-70 phenomenon, a characteristic feature of systemic (topoisomerase I), can lead to endothelial cell scleroderma, can further damage the endothelium by dysfunction and the promotion of vascular remodeling. causing periodic