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Ruminococcus gnavus bacteraemia in a patient with multiple haematological malignancies

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Vis graf over relationer

We present a case of Ruminococcus gnavus sepsis in a woman suffering from multiple myeloma and myelodysplastic syndrome. R. gnavus , a Gram-positive coccus and a gut commensal, has been described in nine cases of infection in the literature, with most infections having occurred in patients with either gastrointestinal symptoms or prosthesis infections. In this case, R gnavus was identified by mass spectrometry, and showed susceptibility to penicillin, meropenem, tetracycline, metronidazole and clindamycin. The patient was successfully treated initially with intravenous piperacillin/tazobactam and metronidazole, and then switched to oral penicillin and metronidazole. The cause of infection is hypothesized to have been a shift in the gut microbiota towards an excess growth of R. gnavus caused by immunosuppression, and bacterial translocation across a vulnerable mucosal barrier due to prednisolone treatment and severe thrombocytopenia.

OriginalsprogEngelsk
TidsskriftAccess Microbiology
Vol/bind1
Udgave nummer8
Sider (fra-til)e000048
Antal sider5
ISSN2516-8290
DOI
StatusUdgivet - 2019

Bibliografisk note

© 2019 The Authors.

ID: 59372890