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Tricuspid valvar endocarditis caused by penicillin resistant pneumococcus.
J E Bothwell1, F Casey, C H Webb
1Clarke Clinic, Regional Cardiology Unit, Royal Belfast Hospital for Sick Children, UK.
Cardiology in the Young
|December 1, 2001
Summary
A rare case of pediatric endocarditis occurred in a 6-year-old boy due to penicillin-resistant Streptococcus pneumoniae. The infection likely originated from an undetected middle ear infection, highlighting a potential hidden source of serious cardiac disease.
Area of Science:
- Pediatric Cardiology
- Infectious Diseases
- Bacteriology
Background:
- Endocarditis is a serious infection of the heart's inner lining, often affecting heart valves.
- Penicillin-resistant Streptococcus pneumoniae poses a significant challenge in pediatric infectious disease management.
- Congenital heart disease is a known risk factor for endocarditis, but this case presents without such a history.
Observation:
- A 6-year-old boy presented with clinical signs of endocarditis.
- The affected valve was identified as the tricuspid valve.
- Blood cultures confirmed the presence of Streptococcus pneumoniae resistant to penicillin.
Findings:
- The patient had no prior history of congenital cardiac anomalies.
- The middle ear was identified as the most probable portal of entry for the pneumococcal infection.
- This suggests a non-obvious source for a severe bloodstream infection leading to endocarditis.
Implications:
- This case underscores the importance of considering non-cardiac sources, such as middle ear infections, in pediatric endocarditis.
- It highlights the clinical significance of antibiotic resistance in common pediatric pathogens like Streptococcus pneumoniae.
- Early recognition and appropriate management of occult infections are crucial to prevent severe complications like endocarditis in children.