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A case of necrotizing fasciitis due to Streptococcus pneumoniae serotype 5 in Saskatchewan
Meenakshi Dawar1, Bob Russell, Karen McClean
1Canadian Field Epidemiology Program, Public Health Agency of Canada, Vancouver, British Columbia.
Abstract:
Necrotizing fasciitis due to Streptococcus pneumoniae is a rare and grave condition, and only a few cases have been reported. Suggested risk factors include minor trauma, systemic lupus erythematosus, immunosuppression secondary to medication, use of intramuscular anti-inflammatories and alcoholism. A fatal case of pneumococcal necrotizing fasciitis that occurred in a 51-year-old woman with a history of alcohol abuse and oral anti-inflammatory use is presented. Her condition was caused by a multi-etiology outbreak of community-acquired pneumonia, from which S pneumoniae serotype 5 was also isolated. The case description outlines the subtle presentation and rapid clinical progression of this condition. Because serotype 5 antigen is included in the polysaccharide 23-valent pneumococcal vaccine, the present case highlights the importance of pneumococcal immunization programs in Canada.
Insights
Necrotizing fasciitis caused by Streptococcus pneumoniae is rare but severe. Vaccination against Streptococcus pneumoniae, particularly serotype 5, is crucial for preventing this grave condition.
Area of Science:
- Infectious Diseases
- Microbiology
Background:
- Necrotizing fasciitis is a severe soft tissue infection.
- Streptococcus pneumoniae is an uncommon cause of necrotizing fasciitis.
Observation:
- A fatal case of necrotizing fasciitis caused by Streptococcus pneumoniae serotype 5 in a 51-year-old woman is presented.
- The patient had a history of alcohol abuse and oral anti-inflammatory use.
- The infection was linked to a community-acquired pneumonia outbreak.
Findings:
- Streptococcus pneumoniae serotype 5 was isolated from the patient.
- The case illustrates a subtle onset and rapid progression of pneumococcal necrotizing fasciitis.
Implications:
- This case underscores the importance of pneumococcal immunization programs.
- Vaccination, including against serotype 5, may prevent severe outcomes like necrotizing fasciitis.
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