呼吸道标本中溶血性链球菌的分布
Distribution of hemolytic streptococci in respiratory specimens.
作者信息
Forrer C B, Ellner P D
出版信息
J Clin Microbiol. 1979 Jul;10(1):69-71. doi: 10.1128/jcm.10.1.69-71.1979.
Abstract
One hundred thirty-seven isolates of beta-hemolytic streptococci were recovered from 623 pharyngeal cultures. Twenty-nine percent of these were group A, 10% were group B, 31% were group C, 11% were group F, 12% were group G, and 7% could not be grouped. The significance of non-group A isolates in pharyngitis could not be evaluated in the absence of viral and serological studies. Hemolytic streptococci were recovered from 9% of 799 lower respiratory cultures. All except one were non-group A, and other potential respiratory pathogens were also present in these specimens. It is our impression that the presence of hemolytic streptococci in lower respiratory tract specimens usually represents pharnygeal contamination.
摘要
从623份咽拭子培养物中分离出137株β溶血性链球菌。其中29%为A组，10%为B组，31%为C组，11%为F组，12%为G组，7%无法分组。在缺乏病毒学和血清学研究的情况下，无法评估非A组分离株在咽炎中的意义。从799份下呼吸道培养物的9%中分离出溶血性链球菌。除1株外均为非A组，这些标本中还存在其他潜在的呼吸道病原体。我们的印象是，下呼吸道标本中溶血性链球菌的存在通常代表咽部污染。
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