Viridans group streptococci: Difference between revisions

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== Microbiology ==
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== Background ==
   
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=== Microbiology ===
 
* Gram-positive cocci
 
* Gram-positive cocci
 
* Commensal oral flora
 
* Commensal oral flora
   
== Organisms ==
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=== Species ===
* [[Streptococcus anginosus group|''Streptococcus anginosus'' group]] (previously milleri group): most likely to cause invasive pyogenic infections similar to ''[[Staphylococcus aureus]]''
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* [[Streptococcus anginosus group]] (previously milleri group): most likely to cause invasive pyogenic infections similar to ''[[Staphylococcus aureus]]''
 
** ''[[Streptococcus anginosus]]''
 
** ''[[Streptococcus anginosus]]''
 
** ''[[Streptococcus intermedius]]''
 
** ''[[Streptococcus intermedius]]''
 
** ''[[Streptococcus constellatus]]''
 
** ''[[Streptococcus constellatus]]''
* [[Streptococcus mitis group|''Streptococcus mitis'' group]]
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* [[Streptococcus mitis group]]
 
** ''[[Streptococcus mitis]]''
 
** ''[[Streptococcus mitis]]''
 
** ''[[Streptococcus oralis]]''
 
** ''[[Streptococcus oralis]]''
* [[Streptococcus sanguinis group|''Streptococcus sanguinis'' group]]
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* [[Streptococcus sanguinis group]]
 
** ''[[Streptococcus gordonii]]''
 
** ''[[Streptococcus gordonii]]''
 
** ''[[Streptococcus sanguinis]]''
 
** ''[[Streptococcus sanguinis]]''
 
** ''[[Streptococcus parasanguinis]]''
 
** ''[[Streptococcus parasanguinis]]''
* [[Streptococcus salivarius group|''Streptococcus salivarius'' group]]
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* [[Streptococcus salivarius group]]
 
** ''[[Streptococcus salivarius]]''
 
** ''[[Streptococcus salivarius]]''
 
** ''[[Streptococcus vestibularis]]''
 
** ''[[Streptococcus vestibularis]]''
 
** ''[[Streptococcus thermophilus]]''
 
** ''[[Streptococcus thermophilus]]''
* [[Streptococcus mutans group|''Streptococcus mutans'' group]]
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* [[Streptococcus mutans group]]
 
** ''[[Streptococcus mutans]]''
 
** ''[[Streptococcus mutans]]''
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== Management ==
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* Penicillin non-susceptibility varies by species
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** [[Streptococcus salivarius group]] is 80% non-susceptible (in Korea[[CiteRef::chun2015sp]])
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** [[Streptococcus mitis group]] is 60%
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** [[Streptococcus sanguinis group]] is 40%
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** [[Streptococcus anginosus group]] is 6%
   
 
== Further Reading ==
 
== Further Reading ==

Latest revision as of 12:49, 19 September 2024

Background

Microbiology

  • Gram-positive cocci
  • Commensal oral flora

Species

Management

Further Reading

  • It’s Not Easy Being Green: the Viridans Group Streptococci, with a Focus on Pediatric Clinical Manifestations. J Clin Microbiol. 2010;48(11):3829-3835. DOI: 10.1128/JCM.01563-10

References

  1. ^  Sejong Chun, Hee Jae Huh, Nam Yong Lee. Species-Specific Difference in Antimicrobial Susceptibility Among Viridans Group Streptococci. Annals of Laboratory Medicine. 2015;35(2):205-211. doi:10.3343/alm.2015.35.2.205.