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Наукові роботи молодих вчених. Кафедра пропедевтики внутрішньої медицини № 1, основ біоетики та біобезпеки >

Please use this identifier to cite or link to this item: http://repo.knmu.edu.ua/handle/123456789/11261

Название: Valvular Heart Defects In Major Autoimmune Diseases
Авторы: Faysal, Ahmed
Honchar, Oleksii
Гончарь, Алексей Владимирович
Гончарь, Олексій Володимирович
Issue Date: 12-Nov-2015
Библиографическое описание: Faysal A. Valvular Heart Defects In Major Autoimmune Diseases / A. Faysal, O. Honchar // Diagnostical methods in internal medicine and their ethical aspects : 5th Scientific Students’ Conference, Kharkiv, 12th of November 2015 : abstract book. – Kharkiv : KhNMU, 2015. – Р. 24–25.
Аннотация: Valvular involvement is the most encountered form of heart disease in systemic lupus erythematosus (SLE). Immunoglobulin and complement deposition in the valvular structure will subsequently lead to Libman-Sacks vegetations, valve thickening, and valve regurgitation. Valvular stenosis is rarely seen. Involvement of the mitral valve is most frequently encountered. Valve disease for most patients is mild and asymptomatic, but patients in whom severe mitral regurgitation develops will present with symptoms of congestive heart failure. A heart murmur will be heard in almost all patients with moderate or severe regurgitation. Transesophageal echocardiography is the most sensitive method to detect the valvular involvement. Severe regurgitation, infective endocarditis, and thromboembolic events (mostly stroke or transitory ischemic attacks) are complications of valvular involvement in SLE. In treatment of these patients, prophylaxis of infectious endocarditis, selective antiaggregant and anticoagulant medication, and valve replacement are currently offered. The role of corticosteroid treatment is still unclear in the outcome of SLE valvulopathy. Heart valve disease (HVD) is the most frequent cardiac manifestation in patients with antiphospholipid syndrome (APS), with prevalence of 30%. Transthoracic and/or transoesophageal echocardiography (TTE and TEE, respectively) enable early and accurate diagnosis and help avoid misdiagnosis as rheumatic valve disease. The presence of antiphospholipid antibodies (aPL) in SLE patients is associated with a threefold greater risk of HVD, confirming the crucial importance of these antibodies in the pathogenic process, leading to thrombotic manifestations on valves because of hypercoagulability. Natural history is characterized by worsening of HVD over time with an increased risk for stroke. APS patients undergoing valve-replacement surgery are at high risk of thrombotic and bleeding complications. Thus aPL-associated HVD has affects clinical management of APS patients. Rheumatic heart disease is the most serious sequelae of rheumatic fever occurring in approximately 30% of rheumatic fever patients. Patients with acute rheumatic fever may develop varying degrees of pancarditis with associated valve disease, heart failure, and pericarditis. Worldwide, rheumatic heart disease remains a major health problem although its prevalence in the developed countries is much reduced. Involvement of the mitral valve results in mitral regurgitation and/or stenosis. Where surgery is indicated, mitral valve replacement is usually necessary although in some cases, mitral valve repair is possible.
URI: http://repo.knmu.edu.ua/handle/123456789/11261
Appears in Collections:Наукові роботи молодих вчених. Кафедра пропедевтики внутрішньої медицини № 1, основ біоетики та біобезпеки

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