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Sekizuka T, Nai E, Yoshida T, Endo S, Hamajima E, Akiyama S, Ikuta Y, Obana N, Kawaguchi T, Hayashi K, Noda M, Sumita T, Kokaji M, Katori T, Hashino M, Oba K, Kuroda M. Streptococcal toxic shock syndrome caused by the dissemination of an invasive emm3/ST15 strain of Streptococcus pyogenes. BMC Infect Dis 2017; 17:774. [PMID: 29254479 PMCID: PMC5735678 DOI: 10.1186/s12879-017-2870-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 11/29/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Streptococcus pyogenes (group A Streptococcus [GAS]) is a major human pathogen that causes a wide spectrum of clinical manifestations. Although invasive GAS (iGAS) infections are relatively uncommon, emm3/ST15 GAS is a highly virulent, invasive, and pathogenic strain. Global molecular epidemiology analysis has suggested that the frequency of emm3 GAS has been recently increasing. CASE PRESENTATION A 14-year-old patient was diagnosed with streptococcal toxic shock syndrome and severe pneumonia, impaired renal function, and rhabdomyolysis. GAS was isolated from a culture of endotracheal aspirates and designated as KS030. Comparative genome analysis suggested that KS030 is classified as emm3 (emm-type) and ST15 (multilocus sequencing typing [MLST]), which is similar to iGAS isolates identified in the UK (2013) and Switzerland (2015). CONCLUSIONS We conclude that the global dissemination of emm3/ST15 GAS strain has the potential to cause invasive disease.
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Affiliation(s)
- Tsuyoshi Sekizuka
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku, Tokyo, 162-8640, Japan
| | - Emina Nai
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Tomohiro Yoshida
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Shota Endo
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Emi Hamajima
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Satoka Akiyama
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Yoji Ikuta
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Natsuko Obana
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Takahiro Kawaguchi
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Kenta Hayashi
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Masahiro Noda
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Tomoko Sumita
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Masayuki Kokaji
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Tatsuo Katori
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan
| | - Masanori Hashino
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku, Tokyo, 162-8640, Japan
| | - Kunihiro Oba
- Department of Pediatrics, Showa General Hospital, 8-1-1 Hanakoganei, Kodaira, Tokyo, 187-8510, Japan.
| | - Makoto Kuroda
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku, Tokyo, 162-8640, Japan.
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