揭示 Staphylococcus borealis 的临床相关性
Jorunn Pauline Cavanagh1,2, Claus Klingenberg1,2,3, Hermoine Jean Venter1,2
1Department of Clinical Medicine, Research Group for Child and Adolescent Health, UiT-The Arctic University of Norway, Tromsø, Norway.
新发现的一种北方葡萄球菌 (Staphylococcus borealis) 经常在老年男性中引起尿路和皮肤感染. 这项研究强调了其临床相关性,抗生素耐药性和生物膜形成能力.
科学领域:
- 微生物学 微生物学
- 临床传染病 临床传染病
背景情况:
- 2020年发现的北方葡萄球菌 (Staphylococcus borealis) 之前被错误地归类为血解性葡萄球菌 (Staphylococcus haemolyticus).
- 了解S. borealis的临床意义对于准确的患者诊断和管理至关重要.
研究的目的:
- 通过分析临床数据,抗生素敏感性和生物膜形成来调查北方葡萄球菌的临床相关性.
- 在临床环境中区分S. borealis和S. haemolyticus.
主要方法:
- 从7家挪威医院的成年患者中收集了129个S. borealis分离体.
- 使用标准微生物技术评估抗生素敏感性和生物膜形成.
- 在采集时收集与每个隔离物相关的临床数据.
主要成果:
- S. borealis主要从尿液 (63%) 和皮肤/软组织 (27%) 感染中分离出来,主要是在老年男性 (66%) 中.
- 在33%的分离物体中观察到多重药物耐药性,与其他凝结酶负型葡萄球菌相似.
- 所有的分离物都表现出生物膜的形成,其中23%被归类为强产物.
结论:
- 斯塔菲洛科克 (Staphylococcus borealis) 是一个相关的病原体,特别是在老年男性的尿路和皮肤感染中.
- 它的抗生素耐药性概况与其他凝结酶负型葡萄球菌相似,比S. haemolyticus对甲素和青素的耐药性低.
- 北菌的一致的生物膜产量需要进一步研究其在持续性感染中的作用.
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