Infective endocarditis complicated by intraventricular abscesses, pericarditis, and mycotic aneurysm due to an emerging strain of serotype VI Streptococcus agalactiae

Nobuyasu Hirai; Kei Kasahara; Kenji Uno; Yoshihiko Ogawa; Taku Ogawa; Shinsuke Yonekawa; Ryuichi Nakano; Hisakazu Yano; Azusa Sakagami; Takayuki Uemura; Hiroyuki Okura; Yoshihiko Saito; Masahide Yoshikawa; Keiichi Mikasa

doi:10.7883/yoken.JJID.2017.196

This article has now been updated. Please use the final version.

Infective endocarditis complicated by intraventricular abscesses, pericarditis, and mycotic aneurysm due to an emerging strain of serotype VI Streptococcus agalactiae

Nobuyasu Hirai, Kei Kasahara, Kenji Uno, Yoshihiko Ogawa, Taku Ogawa, Shinsuke Yonekawa, Ryuichi Nakano, Hisakazu Yano, Azusa Sakagami, Takayuki Uemura, Hiroyuki Okura, Yoshihiko Saito, Masahide Yoshikawa, Keiichi Mikasa

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Keywords: Streptococcus agalactiae, Infective endocarditis, Myocardial abscess, Pericarditis, Mycotic aneurysm, Atrioventricular block

JOURNAL FREE ACCESS Advance online publication

Article ID: JJID.2017.196

DOI https://doi.org/10.7883/yoken.JJID.2017.196

The final version of this article is now available: Vol. 70 (2017), No. 6 pp. 685-686

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Abstract

An increasing number of invasive infections due to Streptococcus agalactiae in non-pregnant adults have been reported. We report a case of infective endocarditis complicated by intraventricular abscesses, pericarditis, and mycotic aneurysm due to S. agalactiae belonging to ST681 with a capsular serotype VI in a diabetic woman. The patient also had a myocardial infarction and was treated with percutaneous coronary intervention, pericardiocentesis, and 6 weeks of antibiotic treatment. Invasive infections due to serotype VI S. agalactiae are common in Asian countries such as Taiwan and Japan and continuous monitoring of invasive S. agalactiae strains is warranted.

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