Afebrile Pannus-Induced Blood Culture-Negative Mechanical Valve Endocarditis

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• 作者：Seiji Matsukuma ; MD ; ^{smatsu731@nagasaki-u.ac.jp" class="auth_mail" title="E-mail the corresponding author} ; Kiyoyuki Eishi ; MD ; Kazuyoshi Tanigawa ; MD ; Takashi Miura ; MD ; Ichiro Matsumaru ; MD ; Kazuki Hisatomi ; MD ; Akira Tsuneto ; MD
• 刊名：The Annals of Thoracic Surgery
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：102
• 期：6
• 页码：e511-e513
• 全文大小：622 K

文摘

The diagnosis of prosthetic valve endocarditis may be challenging in patients with an atypical clinical presentation. Virtually all infections associated with mechanical prosthetic valves are localized to the prosthesis–tissue junction at the sewing ring and are accompanied by tissue destruction around the prosthesis. Because the orifice of the mechanical prosthetic valve is made of metal and pyrolytic carbon, which do not enable the adherence of microorganisms, any vegetation originating from the interior of the valve orifice is usually rare. Here we present a rare case of pannus-induced mechanical prosthetic valve endocarditis that was difficult to diagnose.