KMID : 1144320120440040310
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°¨¿°°ú ÈÇпä¹ý 2012 Volume.44 No. 4 p.310 ~ p.314
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A Case of Native Valve Infective Endocarditis Caused by Bacillus cereus
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Oh Dong-Hyun
Kim Min-Hyung Kim Yong-Chan Song Je-Eun Ahn Jin-Young Han Sang-Hoon Choi Jun-Yong Kim Chang-Oh Chang Hyuk-Jae Yong Dong-Eun Song Young-Goo Lee Kyung-Won Kim June-Myung
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Abstract
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Bacillus cereus is a ubiquitous organism that often contaminates microbiological cultures but rarely causes serious infections in humans. It is the causative organism of infective endocarditis (IE), a disease typically associated with intravenous (IV) drug abusers. Thus, almost all reported cases have involved the tricuspid valve. We report a case of native mitral valve (MV) IE caused by B. cereus in a 54 year-oldman with moderate MV regurgitation but no apparent history of IV drug use. He presented with fever and dyspnea on exertion, symptoms which had been ongoing for 2 months. B. cereus infection was determined by blood culture examination. A transthoracic echocardiography revealed that mobile vegetations had attached to the MV. He was treated with IV antibiotics for a total of 6 weeks and received MV replacement surgery. He has maintained a good clinical recovery without complications since discharge.
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KEYWORD
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Infective endocarditis, Bacillus cereus, Native valve, Mitral valve, Nonintravenous drug
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