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Case of pacemaker pocket infection caused by Finegoldia magna

Seyed Hamed Hosseini Dehkordi1, Georgina Osorio2

  • 1Department of Medicine, Icahn School of Medicine at Mount Sinai St. Luke's and Mount Sinai West Hospital Center, New York, NY, United States.

Anaerobe
|May 30, 2017
PubMed

Insights

Finegoldia magna, a Gram-positive anaerobic coccus, can cause opportunistic infections. This case highlights F. magna infection in a patient with a permanent pacemaker, emphasizing the need for clinical awareness.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Cardiology

Background:

  • Finegoldia magna (formerly Peptostreptococcus magnus) is an anaerobic Gram-positive coccus increasingly recognized as an opportunistic pathogen.
  • Cardiovascular device-related infections pose significant clinical challenges.

Observation:

  • An 83-year-old male developed a pacemaker pocket infection seven weeks after permanent pacemaker implantation for sick sinus syndrome.
  • Initial treatment with sulfamethoxazole-trimethoprim was unsuccessful, leading to readmission with sepsis.

Findings:

  • Infection was confirmed to be caused by Finegoldia magna through cultures of the explanted pacemaker, pocket tissue, and blood.
  • The patient was successfully treated with ampicillin-sulbactam for sepsis.

Implications:

  • Clinicians should consider F. magna in the differential diagnosis of Gram-positive cocci infections, particularly in patients with cardiovascular devices.
  • Prompt and accurate identification and appropriate antibiotic selection are crucial for managing F. magna infections.
Keywords:
Cardiovascular device-related infectionFinegoldia magnaPacemaker pocket infection

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