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Necrotising fasciitis--an old enemy or a new foe
Abstract:
Necrotising fasciitis when described by Meleney was caused predominantly by Streptococcus pyogenes. Since then, there were several reports which confirmed streptococcus as the main organism identified in this disease entity. However, recently there were reports of necrotising fasciitis caused by organisms other than Streptococcus. We analysed 19 cases of necrotising fasciitis seen in the Department of Orthopaedic Surgery over a period of 24 months to see if this disease entity has changed significantly. The patients in our series were between the ages of 19 to 85 years with an average age of 57.2 years. Males were more often affected (16 out of 19). The majority of the patients have some form of underlying disease (16 out of 19 cases). There was a trend towards polymicrobial infection and many were resistant to standard antimicrobial therapy. The mortality rate was 21.1%. Our results are comparable to many earlier series.
Insights
Necrotising fasciitis, a severe infection, is increasingly caused by multiple bacteria, not just Streptococcus. This study found polymicrobial infections and antimicrobial resistance in 19 cases, with a significant mortality rate.
Area of Science:
- Infectious Diseases
- Microbiology
- Surgery
Background:
- Meleney's original description of necrotising fasciitis primarily implicated Streptococcus pyogenes.
- Subsequent reports confirmed Streptococcus as the predominant pathogen.
- Recent observations suggest a shift towards other causative organisms.
Purpose of the Study:
- To analyze recent cases of necrotising fasciitis to determine if the disease entity has changed.
- To investigate the spectrum of causative organisms and patient demographics.
- To assess treatment resistance and outcomes in contemporary necrotising fasciitis cases.
Main Methods:
- Retrospective analysis of 19 necrotising fasciitis cases managed in Orthopaedic Surgery.
- Data collected over a 24-month period.
- Evaluation of patient demographics, comorbidities, causative agents, treatment, and mortality.
Main Results:
- The study included 19 patients aged 19-85 years (average 57.2).
- Males were predominantly affected (16/19).
- A high proportion of patients had underlying diseases (16/19).
- A trend towards polymicrobial infections was observed.
- Many infections showed resistance to standard antimicrobial therapy.
- The overall mortality rate was 21.1%.
Conclusions:
- Necrotising fasciitis may be evolving, with a notable increase in polymicrobial infections.
- Antimicrobial resistance is a significant concern in managing this condition.
- The findings highlight the need for updated diagnostic and therapeutic strategies for necrotising fasciitis.
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