人类肠道中D群链球菌的携带情况。
Carriage of group D streptococci in the human bowel.
作者信息
Noble C J
出版信息
J Clin Pathol. 1978 Dec;31(12):1182-6. doi: 10.1136/jcp.31.12.1182.
Abstract
Sixty faecal samples, 39 from adults and 21 from neonates, were investigated by means of a simple scheme to isolate and identify any group D streptococci present. A number of differences were found between the two groups. Group D streptococci were absent from 43% of the neonates compared with only 13% of the adults; Streptococcus bovis was commoner in the neonates (23.8%) than in the adults (5%), and Streptococcus faecium was not isolated from any of the infant samples although it was common in the adult samples (25%). The viable counts of Strep. faecium were found to be, on average, 100-fold lower than those of Streptococcus faecalis. The methods and results are discussed with reference to the clinical significance of group D streptococci, especially in bacterial endocarditis and carcinoma of the colon.
摘要
采用一种简单方法对60份粪便样本进行研究，以分离并鉴定其中存在的任何D群链球菌，其中39份来自成人，21份来自新生儿。两组之间发现了一些差异。43%的新生儿粪便样本中未检测到D群链球菌，而成人样本中这一比例仅为13%；牛链球菌在新生儿中（23.8%）比在成人中（5%）更为常见，并且未从任何婴儿样本中分离出粪肠球菌，尽管它在成人样本中很常见（25%）。发现粪肠球菌的活菌计数平均比粪链球菌低100倍。结合D群链球菌的临床意义，特别是在细菌性心内膜炎和结肠癌方面，对方法和结果进行了讨论。
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