Necrotizing Fasciitis
Necrotizing Fasciitis is a topic covered in the Johns Hopkins ABX Guide.
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PATHOGENS
- Some classify necrotizing fasciitis (NF) into Type I and Type II.
- Mixed aerobic-anaerobic bacteria [Type I]
- Group A Streptococcus (GAS, S. pyogenes, Type II)
- Thought to be the most common cause. CDC estimates ~ 700-1200 cases/yr annually since 2010.
- Certain Streptococcal strains are seen more frequently in NF, most commonly those that contain M protein types 1, 3, 12, and 28 (elaborating pyrogenic exotoxin A).
- May complicate routine varicella or zoster as superinfeciton.
- Other pathogens that may cause NF
- Other Streptococcal species
- Clostridium perfringens
- Staphylococcus aureus
- Vibrio vulnificus
- Aeromonas spp.
- Klebsiella spp.
- Pseudomonas aeruginosa
- Other: host of occasional bacterial pathogens implicated, Candida and Mucor spp. also rarely described.
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Last updated: August 9, 2019
Citation
Auwaerter, Paul G, and John G Bartlett. "Necrotizing Fasciitis." Johns Hopkins ABX Guide, The Johns Hopkins University, 2019. Johns Hopkins Guide, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540378/all/Necrotizing_Fasciitis.
Auwaerter PG, Bartlett JG. Necrotizing Fasciitis. Johns Hopkins ABX Guide. The Johns Hopkins University; 2019. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540378/all/Necrotizing_Fasciitis. Accessed October 15, 2019.
Auwaerter, P. G., & Bartlett, J. G. (2019). Necrotizing Fasciitis. In Johns Hopkins ABX Guide. Available from https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540378/all/Necrotizing_Fasciitis
Auwaerter PG, Bartlett JG. Necrotizing Fasciitis [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2019. [cited 2019 October 15]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540378/all/Necrotizing_Fasciitis.
* Article titles in AMA citation format should be in sentence-case
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