Clinical and echocardiographic features of aorto-atrial fistulas

被引:35
作者
Ananthasubramaniam K. [1 ]
机构
[1] Henry Ford Heart and Vasc. Institute, Detroit
关键词
Endocarditis; Left Atrium; Aortic Dissection; Prosthetic Valve; Rheumatic Heart Disease;
D O I
10.1186/1476-7120-3-1
中图分类号
学科分类号
摘要
Aorto-atrial fistulas (AAF) are rare but important pathophysiologic conditions of the aorta and have varied presentations such as acute pulmonary edema, chronic heart failure and incidental detection of the fistula. A variety of mechanisms such as aortic dissection, endocarditis with pseudoaneurysm formation, post surgical scenarios or trauma may precipitate the fistula formation. With increasing survival of patients, particularly following complex aortic reconstructive surgeries and redo valve surgeries, recognition of this complication, its clinical features and echocardiographic diagnosis is important. Since physical exam in this condition may be misleading, echocardiography serves as the cornerstone for diagnosis. The case below illustrates aorto-left atrial fistula formation following redo aortic valve surgery with slowly progressive symptoms of heart failure. A brief review of the existing literature of this entity is presented including emphasis on echocardiographic diagnosis and treatment. © 2005 Ananthasubramaniam; licensee BioMed Central Ltd.
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