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首页> 外文期刊>Journal of Clinical Microbiology >Significance of urinary isolates of coagulase-negative Micrococcaceae.
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Significance of urinary isolates of coagulase-negative Micrococcaceae.

机译：凝固酶阴性微球菌科泌尿分离株的意义。

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摘要

Of 16,347 urine cultures submitted to the hospital laboratory, 68 (0.4%) specimens from 50 patients yielded greater than 10(4) coagulase-negative staphylococci/ml in pure culture. A total of 62 of 63 organisms available for study were staphylococci: 45 Staphylococcus epidermidis (predominantly subgroup 1), 15 Staphylococcus saprophyticus (subgroup 3), and 2 Staphylococcus aureus. Twenty-one patients had "probable" urine infections. Eight patients had two or more positive urine cultures, and all isolates from the same patients were identical (by morphology, antibiotic susceptibility, and hemolytic pattern). Nine (75%) of the 12 isolates of S. saprophyticus, which were novobiocin resistant and nonhemolytic on the synergistic hemolysis test, were from patients with probable urinary infection. Eight were young women with acute symptoms and pyuria. Differences in the glucose and mannitol fermentation tests with different media may lead to difficulties in identification. Novobiocin resistance cannot be relied upon to differentiate isolates of S. saprophyticus from S. epidermidis.
机译：在提交给医院实验室的16347种尿培养物中，来自50例患者的68个（0.4％）标本在纯培养中产生的凝结酶阴性葡萄球菌/毫升大于10（4）。在可供研究的63种生物中，共有62种为葡萄球菌：45种表皮葡萄球菌（主要为第1组），15种腐生葡萄球菌（第3组）和2种金黄色葡萄球菌。 21名患者有“可能”的尿液感染。八名患者有两个或多个尿液阳性培养，并且来自同一患者的所有分离物都是相同的（通过形态，抗生素敏感性和溶血模式）。在协同溶血试验中，腐生链球菌的12株分离株中有9株（75％）对新生霉素具有抗性和非溶血性，来自可能的尿道感染患者。八名患有急性症状和脓尿的年轻妇女。不同培养基在葡萄糖和甘露醇发酵试验中的差异可能导致鉴定困难。不能依靠新霉素抗性来区分腐生葡萄球菌和表皮葡萄球菌。

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