Viridans group streptococci: Difference between revisions
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== Background == |
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=== Microbiology === |
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* Gram-positive cocci |
* Gram-positive cocci |
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* Commensal oral flora |
* Commensal oral flora |
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=== Species === |
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* [[Streptococcus anginosus group]] (previously milleri group): most likely to cause invasive pyogenic infections similar to ''[[Staphylococcus aureus]]'' |
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** '' |
** ''[[Streptococcus anginosus]]'' |
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** '' |
** ''[[Streptococcus intermedius]]'' |
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** '' |
** ''[[Streptococcus constellatus]]'' |
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* [[Streptococcus mitis group]] |
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** '' |
** ''[[Streptococcus mitis]]'' |
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** '' |
** ''[[Streptococcus oralis]]'' |
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* [[Streptococcus sanguinis group]] |
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** '' |
** ''[[Streptococcus gordonii]]'' |
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** '' |
** ''[[Streptococcus sanguinis]]'' |
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** '' |
** ''[[Streptococcus parasanguinis]]'' |
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* [[Streptococcus salivarius group]] |
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** '' |
** ''[[Streptococcus salivarius]]'' |
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** '' |
** ''[[Streptococcus vestibularis]]'' |
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** '' |
** ''[[Streptococcus thermophilus]]'' |
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* [[Streptococcus mutans group]] |
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** '' |
** ''[[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% |
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== Further Reading == |
== Further Reading == |
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Latest revision as of 17:49, 19 September 2024
Background
Microbiology
- Gram-positive cocci
- Commensal oral flora
Species
- Streptococcus anginosus group (previously milleri group): most likely to cause invasive pyogenic infections similar to Staphylococcus aureus
- Streptococcus mitis group
- Streptococcus sanguinis group
- Streptococcus salivarius group
- Streptococcus mutans group
Management
- Penicillin non-susceptibility varies by species
- Streptococcus salivarius group is 80% non-susceptible (in Korea1)
- Streptococcus mitis group is 60%
- Streptococcus sanguinis group is 40%
- Streptococcus anginosus group is 6%
Further Reading
- Itβs 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
- ^ 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.
