Early Bioprosthetic Valve Failure: Mechanistic Insights via Correlation between Echocardiographic and Operative Findings

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• 作者：Paul C. Cremer ; MD^a ; L. Leonardo Rodriguez ; MD^a ; Brian P. Griffin ; MD^a ; Carmela D. Tan ; MD^b ; E. Rene Rodriguez ; MD^b ; Douglas R. Johnston ; MD^c ; Gosta B. Pettersson ; MD^c ; Venu Menon ; MD^a ; ^{menonv@ccf.org" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Bioprosthetic valve ; Thrombus ; Pannus ; Structural valve deterioration ; Calcification ; Primary leaflet tear
• 刊名：Journal of the American Society of Echocardiography
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：28
• 期：10
• 页码：1131-1148
• 全文大小：7318 K

文摘

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d="p0010">Fibrin deposition on the nonflow surface of a valve can cause stenosis.

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d="p0015">Subvalvular pannus can cause stenosis, and pannus can cause regurgitation by retracting leaflets.

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d="p0020">Pannus may be difficult to appreciate on echocardiography unless extensive or combined with thrombus.

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d="p0025">Primary perforations or tears can result in eccentric regurgitant jets.

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d="p0030">Endocarditis must be excluded in cases of thrombosis or leaflet tear.

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