期刊
FRONTIERS IN MICROBIOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2022.956677
关键词
Streptococcus anginosus group; opportunistic pathogens; bacteremia; abscesses; empyema; clinical infection; Streptococcus milleri group
类别
资金
- National Science Center, Poland [2018/29/B/NZ6/00624]
Three distinct species of streptococcal, known as Streptococcus anginosus, Streptococcus intermedius, and Streptococcus constellatus, have gained attention from clinicians and microbiologists as opportunistic pathogens. Their pathogenicity has been underestimated, but recent reports highlight their emergence as life-threatening infections. This review summarizes clinical reports and highlights the importance of accurate microbiological diagnostics for effective treatment.
Three distinct streptococcal species: Streptococcus anginosus, Streptococcus intermedius, and Streptococcus constellatus, belonging to the Streptococcus anginosus group (SAG), also known as Streptococcus milleri group, have been attracting clinicians and microbiologists, not only as oral commensals but also as opportunistic pathogens. For years they have been simply classified as so called viridans streptococci, and distinct species were not associated with particular clinical manifestations. Therefore, description of SAG members are clearly underrepresented in the literature, compared to other medically relevant streptococci. However, the increasing number of reports of life-threatening infections caused by SAG indicates their emerging pathogenicity. The improved clinical data generated with the application of modern molecular diagnostic techniques allow for precise identification of individual species belonging to SAG. This review summarizes clinical reports on SAG infections and systematizes data on the occurrence of individual species at the site of infection. We also discuss the issue of proper microbiological diagnostics, which is crucial for further clinical treatment.
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