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Eikenella corrodens and Parvimonas micra purulent pericarditis following oral fish bone impaction: a case report

Birdie Huang1, Jih-Kai Yeh2

  • 1Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou branch, No.5, Fuxing St., Guishan, 33305, Taoyuan, Taiwan.

BMC Infectious Diseases
|February 18, 2025
PubMed
Abstract

Insights

This case report details a rare instance of purulent pericarditis caused by a dual infection with Eikenella corrodens and Parvimonas micra. Prompt diagnosis and multidisciplinary management, including drainage and antibiotics, were crucial for the patient's recovery.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Microbiology

Background:

  • Purulent pericarditis is a rare and severe condition, typically caused by common bacteria or Mycobacterium tuberculosis.
  • Coinfections leading to purulent pericarditis are exceptionally uncommon.

Purpose of the Study:

  • To document and report a unique case of purulent pericarditis resulting from a simultaneous infection with Eikenella corrodens and Parvimonas micra.
  • To highlight the diagnostic and therapeutic challenges associated with rare infectious etiologies of purulent pericarditis.

Main Methods:

  • A case presentation of a 44-year-old woman with no prior medical history presenting with symptoms of purulent pericarditis.
  • Diagnostic procedures included imaging (revealing pericardial and mediastinal fluid with gas), pericardiocentesis, and MALDI-TOF mass spectrometry for pathogen identification.
  • Treatment involved pericardial drainage, video-assisted thoracoscopic surgery for abscess drainage, and a four-week course of ampicillin-sulbactam.

Main Results:

  • The pericardial effusion was identified as being caused by a coinfection with Eikenella corrodens and Parvimonas micra.
  • The patient's symptoms resolved following surgical drainage and antibiotic therapy.
  • No esophageal perforation was identified despite a history suggestive of fish bone impaction.

Conclusions:

  • This is likely the first reported case of purulent pericarditis caused by the simultaneous presence of Eikenella corrodens and Parvimonas micra.
  • Emphasizes the necessity of a multidisciplinary approach for managing purulent pericarditis.
  • Highlights the importance of prompt drainage and targeted antibiotic therapy in improving outcomes for this life-threatening condition.
Keywords:
Eikenella corrodensParvimonas micraCoinfectionPericarditis

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