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Updated: May 8, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
Published on: April 7, 2015
Cardiac device infection due to Streptococcus pneumoniae
Theresa T Liu1, Pablo B Nery, David Birnie
1Division of Infectious Diseases, University of Ottawa/The Ottawa Hospital;
Cardiac device infections (CDIs) are usually from skin bacteria. This case highlights a rare Streptococcus pneumoniae CDI, which may be preventable with vaccines and can occur without obvious prior infection.
Area of Science:
- Infectious Diseases
- Cardiology
- Microbiology
Background:
- Cardiac device infections (CDIs) are known complications following implantation.
- Most CDIs originate from skin flora, but hematogenous spread is also a cause.
- Streptococcus pneumoniae is an uncommon pathogen in CDIs.
Observation:
- A rare case of CDI caused by Streptococcus pneumoniae was identified.
- The patient did not present with overt signs of pneumococcal infection.
- This presentation is atypical for Streptococcus pneumoniae infections.
Findings:
- Streptococcus pneumoniae can cause cardiac device infections.
- CDIs by this pathogen may not be preceded by typical pneumococcal symptoms.
- This specific CDI is potentially vaccine-preventable.
Implications:
- Highlights the need to consider Streptococcus pneumoniae in CDI etiology, even without typical preceding symptoms.
- Suggests potential for vaccine-preventable strategies in managing CDIs.
- Broadens the understanding of pathogens involved in cardiac device infections.
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