[Anaerobic infection of burns]
1Institute of Burn Research, Southwestern Hospital, Third Military Medical College.
Abstract:
To analyze anaerobic infection 158 specimens were obtained from deep necrotic tissues and exudates under burned subeschar, secretion of eyes and blood. The results showed that more anaerobes were isolated from deep necrotic tissues (46.88%) and smelly exudates of subeschar (38.71%). Most of them were mixed with aerobes (97.1%). In 43 strains of anaerobes, Clostridium accounted for 18 strains (41.86%), and Bacteroides for 17 strains (39.53%). Fusiform nucleatum. Peptococcus, and Veillonell paryula were also differentiated. The recent total detectable rate of anaerobes (38.71%) from burn wounds was higher significantly than that of 1980-1983 (14.7%). It may be due to the exact selection of specimens and modification of cultural medium and equipment.
Insights
Anaerobic bacteria, primarily Clostridium and Bacteroides, are frequently found in burn wound infections. Improved specimen selection and culturing techniques have increased anaerobic bacteria detection rates in burn wounds.
Area of Science:
- Microbiology
- Infectious Diseases
- Burn Care
Context:
- Anaerobic infections pose a significant challenge in clinical settings, particularly in burn wound management.
- Accurate identification and characterization of anaerobic pathogens are crucial for effective treatment strategies.
Purpose:
- To analyze the prevalence and types of anaerobic bacteria isolated from various clinical specimens, with a focus on burn wounds.
- To compare current anaerobic bacteria detection rates with historical data and identify factors contributing to any observed differences.
Summary:
- 158 specimens from deep necrotic tissues, exudates, eye secretions, and blood were analyzed for anaerobic infections.
- Anaerobes were most prevalent in deep necrotic tissues (46.88%) and subeschar exudates (38.71%), often mixed with aerobes (97.1%).
- Clostridium (41.86%) and Bacteroides (39.53%) were the predominant anaerobic genera identified, alongside Fusiform nucleatum, Peptococcus, and Veillonella parvula.
Impact:
- The study reveals a significant increase in anaerobic bacteria detection rates in burn wounds (38.71%) compared to 1980-1983 (14.7%).
- This improvement is attributed to enhanced specimen selection, modified cultural media, and advanced equipment.
- Findings underscore the importance of anaerobic cultures in burn wound diagnostics and management.
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