Key result
Giant left atrium is an uncommon complication of rheumatic mitral valve disease that requires echocardiographic evaluation to differentiate it from conditions like pleural effusion or mediastinal tumors.
Case Report (n=5)
Echocardiography is essential in diagnosing giant left atrium and its complications, such as massive thrombosis, in patients with rheumatic mitral valve disease.
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May prompt echocardiographic vigilance in rheumatic mitral disease; leaves open need for larger series on management.
Aim: To present the aneurysmal dilatation of left atrium due to rheumatic mitral valve disease and its clinical consequences such as arrhythmic, thromboembolic and compressive manifestations. Introduction: Extreme enlargement of left atrium, usually referred to as giant, gigantic or aneurysmal dilatation is an uncommon finding with a reported incidence of 0.3% in rheumatic heart disease. It is an important clinical risk identifier to predict the outcome of cardiovascular disease. Case reports: Aneurysmal left atrium correlating with the length of pure mitral regurgitation jet in a 18-year-old girl, posterior mitral leaflet prolapse with regurgitation jet swirling around the entire interatrial septum in a 37-year-old male, Giant left atrium in mixed mitral valve disease in a 37-year-old female and a thrombosed giant left atrium resembling as "coconut" in a 50-year-old female were reported. Conclusion: Giant left atrium may be misinterpreted as right-sided pleural effusion, pericardial effusion and mediastinal tumor on X-ray chest and so echocardiographic evaluation is mandatory to exclude the aneurysmal left atrium in such conditions.
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Ramachandran Muthiah (2017) conducted a case report in Rheumatic Giant Left Atrium (n=5). Rheumatic mitral valve disease was evaluated. Giant left atrium is an uncommon complication of rheumatic mitral valve disease that requires echocardiographic evaluation to differentiate it from conditions like pleural effusion or mediastinal tumors.
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