Bacteremia caused by moraxella osloensis: A fatal case of an immunocompromised patient and literature review

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Abstract

Background: Moraxella osloensis rarely causes infection in humans, and most of the reported cases are not fatal. It is often difficult to identify M. osloensis using conventional biochemical methods. Methods: Here, we report a bacteremia case caused by M. osloensis in a patient with advanced lung cancer who initially presented symptoms of fever. Results: Blood culture revealed growth of a gram-negative bacterium, which was identified as M. osloensis through 16S rRNA gene sequencing and MALDI-TOF analyses. The patient could not recover from sepsis with empirical treatment. Conclusions: As M. osloensis can cause serious infections in immunocompromised patients, its prompt identifica-tion is important.

Original languageEnglish
Pages (from-to)179-182
Number of pages4
JournalClinical Laboratory
Volume67
Issue number1
DOIs
Publication statusPublished - 2021

Keywords

  • 16S rRNA sequencing
  • Bacteremia
  • Enhydrobacter aerosaccus
  • Immunocompromised
  • MALTI-TOF
  • Moraxella osloensis

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