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Empyema and bacteremia caused by Parvimonas micra: A case report

Kenji Yamada1, Jumpei Taniguchi1, Norihiko Kubota1

  • 1Department of Pulmonology, Kameda Medical Center, Japan.

Respiratory Medicine Case Reports
|August 14, 2023
PubMed

Insights

Parvimonas micra, a gram-positive anaerobic coccus, can cause serious respiratory infections like empyema and bacteremia. Prompt antibiotic treatment and drainage are crucial for successful patient outcomes.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • Parvimonas micra is a gram-positive anaerobic coccus (GPAC) commonly found in the oral cavity and gastrointestinal tract.
  • Recent advancements in bacterial identification highlight the increasing clinical significance of P. micra.

Observation:

  • This report details a case of empyema with concurrent bacteremia caused by P. micra.
  • The patient presented with symptoms indicative of a severe respiratory infection.

Findings:

  • Successful treatment was achieved using appropriate antibiotics and surgical drainage.
  • The case demonstrates that P. micra can lead to respiratory infections, specifically empyema, with a risk of progressing to bacteremia if diagnosis and treatment are delayed.

Implications:

  • P. micra infections, particularly those presenting as empyema, necessitate comprehensive investigation beyond the primary site, including the entire body, to understand potential entry mechanisms.
  • Early recognition and intervention are vital for managing P. micra-associated respiratory infections and preventing systemic spread.
Keywords:
Anaerobic bacteremiaCase reportEmpyemaParvimonas micraPleural effusion

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