Streptococcus pyogenes: Difference between revisions

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Streptococcus pyogenes
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* Also commonly referred to as Group A Streptococcus
* Also commonly referred to as Group A Streptococcus


== Presentations ==
== Microbiology ==

* [[Has Gram stain::Gram-positive]] coccus, typically in pairs or short chains

== Clinical Presentation ==


* Skin and soft tissue infections, including necrotizing fasciitis
* Skin and soft tissue infections, including necrotizing fasciitis

Revision as of 22:22, 11 September 2019

  • Also commonly referred to as Group A Streptococcus

Microbiology

Clinical Presentation

  • Skin and soft tissue infections, including necrotizing fasciitis
  • Upper and lower respiratory tract infections
  • Bacteremia without a focus
  • Septic arthritis and osteomyelitis
  • Pelvic infections, including postpartum endometritis
  • Many other foci

Prognosis

  • Highest risk of streptococcal toxic shock syndrome (TSS) or death
    • Necrotizing fasciitis (50% and 50%)
    • Pneumonia (30% and 30%)
    • Bacteremia (15% and 25%)

References

  1. ^  Athanasios G. Michos, Chrysanthi G. Bakoula, Maria Braoudaki, Foteini I. Koutouzi, Eleftheria S. Roma, Anastasia Pangalis, Georgia Nikolopoulou, Elena Kirikou, Vassiliki P. Syriopoulou. Macrolide resistance in Streptococcus pyogenes: prevalence, resistance determinants, and emm types. Diagnostic Microbiology and Infectious Disease. 2009;64(3):295-299. doi:10.1016/j.diagmicrobio.2009.03.004.