Viridans group streptococci: Difference between revisions
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+ | == Background == |
| + | === 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 === |
* [[Streptococcus anginosus group|''Streptococcus anginosus'' group]] (previously milleri group): most likely to cause invasive pyogenic infections similar to ''[[Staphylococcus aureus]]'' |
* [[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]]'' |
** ''[[Streptococcus anginosus]]'' |
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* [[Streptococcus mutans group|''Streptococcus mutans'' group]] |
* [[Streptococcus mutans group|''Streptococcus mutans'' group]] |
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** ''[[Streptococcus mutans]]'' |
** ''[[Streptococcus mutans]]'' |
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| + | == Management == |
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| + | * Penicillin non-susceptibility varies by species |
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| + | ** ''S. salivarius'' group is 80% non-susceptible (in Korea<ref>Chun S, Huh HJ, Lee NY. Species-specific difference in antimicrobial susceptibility among viridans group streptococci. Ann Lab Med. 2015 Mar;35(2):205-11. doi: [https://doi.org/10.3343/alm.2015.35.2.205 10.3343/alm.2015.35.2.205]. Epub 2015 Feb 12. PMID: 25729722; PMCID: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4330170/ PMC4330170].</ref>) |
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| + | ** ''S. mitis'' group is 60% |
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| + | ** ''S. sanguinis'' group is 40% |
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| + | ** ''S. anginosus'' group is 6% |
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== Further Reading == |
== Further Reading == |
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Revision as of 16:16, 19 September 2022
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
- S. salivarius group is 80% non-susceptible (in Korea[1])
- S. mitis group is 60%
- S. sanguinis group is 40%
- S. anginosus group is 6%
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
- ↑ Chun S, Huh HJ, Lee NY. Species-specific difference in antimicrobial susceptibility among viridans group streptococci. Ann Lab Med. 2015 Mar;35(2):205-11. doi: 10.3343/alm.2015.35.2.205. Epub 2015 Feb 12. PMID: 25729722; PMCID: PMC4330170.
