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Case Reports
. 2024 May;30(5):1060-1062.
doi: 10.3201/eid3005.231514.

Sphingobium yanoikuyae Bacteremia, Japan

Yayoi Miyamatsu, Ryutaro Tanizaki, Satoko Yamada
Case Reports

Sphingobium yanoikuyae Bacteremia, Japan

Yayoi Miyamatsu et al. Emerg Infect Dis. 2024 May.

Abstract

We report a case of Sphingobium yanoikuyae bacteremia in an 89-year-old patient in Japan. No standard antimicrobial regimen has been established for S. yanoikuyae infections. However, ceftriaxone and ceftazidime treatments were effective in this case. Increased antimicrobial susceptibility data are needed to establish appropriate treatments for S. yanoikuyae.

Keywords: Japan; Sphingobium yanoikuyae; antibacterial agents; antimicrobial drugs; bacteremia; bacteria; ceftazidime; ceftriaxone.

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Figures

Figure
Figure
Identification of Sphingobium yanoikuyae bacteremia in 89-year-old man, Japan. A) Gram stain of the organisms growing in a blood sample incubated in a BACTEC Plus Aerobic/F Culture Vial (Becton Dickinson, https://www.bd.com). Scale bar is 10 μm. B) Colonies of S. yanoikuyae cultured on Trypticase Soy Agar with 5% Sheep Blood (Becton Dickinson). C) Gram stain of S. yanoikuyae bacteria from a colony obtained by subculturing positive blood culture fluid on Trypticase Soy Agar with 5% Sheep Blood at 35°C in an aerobic environment. Scale bar is 10 μm.
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