Peritoneal Dialysis-Related Peritonitis Caused by Streptococcus oralis

Akihiro Kotani; Yasuhiro Oda; Yosuke Hirakawa; Motonobu Nakamura; Yoshifumi Hamasaki; Masaomi Nangaku

doi:10.2169/internalmedicine.6234-20

CASE REPORTS

Peritoneal Dialysis-Related Peritonitis Caused by Streptococcus oralis

Akihiro Kotani, Yasuhiro Oda, Yosuke Hirakawa, Motonobu Nakamura, Yoshifumi Hamasaki, Masaomi Nangaku

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Keywords: infection, peritoneal dialysis, peritoneal dialysis-related peritonitis, peritonitis, Streptococcus oralis, viridans group streptococci

JOURNAL OPEN ACCESS

2021 Volume 60 Issue 21 Pages 3447-3452

DOI https://doi.org/10.2169/internalmedicine.6234-20

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Abstract

A 77-year-old man developed peritoneal dialysis-related peritonitis caused by Streptococcus oralis, a rare pathogen causing the disease. The infection, which was not controlled by one-week intraperitoneal administration of cefazolin and ceftazidime, was cured only after switching to two-week intravenous administration of cefazolin and ceftazidime. The patient had no major dental disease or recent history of dental intervention. This case suggests that S. oralis might cause peritoneal dialysis-related peritonitis with persistent systemic inflammation via an extra-oral infection route. The clinical course is discussed along with a review of the literature.

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