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Infective Endocarditis Caused by Granulicatella elegans Originating in the Oral Cavity

Department of Oral Microbiology, Iwate Medical University School of Dentistry,¹ Second Department of Internal Medicine, Iwate Medical University School of Medicine, Morioka, Japan²

Received 20 September 2004/ Returned for modification 27 September 2004/ Accepted 12 October 2004

We studied the pheno- and genotypes of an oral Granulicatella elegans strain in comparison with those of a blood-derived isolate which caused infective endocarditis. The two isolates exhibited identical biochemical characteristics and had the same drug MICs. Their genotypes were indistinguishable, indicating that these were from the same clone. The transmission of G. elegans from the oral cavity thus should be noted as a possible cause of infective endocarditis.

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