一项关于社区获得的皮肤病的研究,特别提到Panton-Valentine Leukocidin (PVL) - 阳性甲素耐药Staphylococcus Aureus
Prashanth R Kamath1, Niha F Imthiaz2, Ashmiya A Razak2
1Department of Dermatology, AJ Institute of Medical Sciences College, Mangalore, Karnataka, India.
Indian dermatology online journal
|January 29, 2024
概括
社区获得的皮肤炎是常见的皮肤感染. 这项研究发现甲基西林耐药黄金葡萄球菌 (MRSA) 的患病率很低,并没有在MRSA分离物中检测到Panton-Valentine leukocidin (PVL) 基因.
科学领域:
- 皮肤病学 皮肤病学
- 传染性疾病 传染性疾病
- 微生物学 微生物学
背景情况:
- 社区获得的 (CA) 皮肤炎是常见的门诊皮肤病感染.
- 金色葡萄球菌是一种常见的致病原体,包括CA-甲素敏感的金色葡萄球菌 (MSSA) 和CA-甲素耐药的金色葡萄球菌 (MRSA).
- 潘顿-瓦伦丁白素 (PVL) 基因是一种可能与严重和复发性皮肤感染相关的毒性因子.
研究的目的:
- 为了调查CA-MRSA在皮质动物中的患病率.
- 在CA-MRSA和CA-MSSA分离物中确定PVL基因的存在.
主要方法:
- 一个对205个CA皮肤炎病例的前性研究.
- 伤口液的细菌学检查.
- 在MRSA和MSSA分离物中对mecA和PVL基因进行分子分析 (PCR).
主要成果:
- 黄金葡萄球菌从90%的CA皮肤病例中分离出来.
- 在研究社区中,CA-MRSA的患病率为3.5%.
- 在任何测试的CA-MRSA或CA-MSSA分离物中都没有检测到PVL基因.
结论:
- 在该地区的CA皮质体中,MRSA的流行率很低.
- 在孤立的MRSA菌株中,PVL似乎不是显著的毒性因素.
- 需要进一步的多中心研究来证实这些发现.
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