引起外眼感染的细菌病原体的分子表征 第三级医院患者的隔离物
Emilio Mariano Durán-Manuel1,2, Juan Manuel Bello-López1, Aranza Denisse Salinas-Bobadilla3
1Hospital Juárez de México, Mexico City 07760, Mexico.
Pathogens (Basel, Switzerland)
|November 25, 2023
概括
眼部感染的抗生素耐药性正在上升,导致治疗失败. 这项研究确定了常见的细菌罪祸首及其耐药基因,突出了对更好的诊断协议的需要,以对抗眼睛感染.
科学领域:
- 眼科医生 眼科 眼科
- 微生物学 微生物学
- 遗传学 遗传学 是一个
背景情况:
- 眼部病原体的抗生素耐药性是一个日益关注的问题,导致治疗失败和并发症.
- 了解耐药性和毒性的遗传基础对于有效管理眼部感染至关重要.
研究的目的:
- 描述导致眼睛感染的细菌病原体的抗生素耐药性和粘附表型和基因型.
- 在墨西哥胡亚雷斯医院的患者中识别流行细菌物种及其耐药性概况.
- 调查格兰正眼病原体中耐药性和毒性的遗传基础.
主要方法:
- 观察性,前性,横截面研究设计.
- 使用古典微生物学和MALDI-TOF质谱法分离和识别细菌病原体.
- 确定抗生素耐药性和坚持性概况,包括检测耐药性 (mecA/SCCmec) 和毒性 (icaA, icaD) 基因.
主要成果:
- 斑疹炎是最常见的疾病; * 葡萄球菌 * 和 * 伪菌 * 是最常见的属.
- 对于β-乳糖胺 (44-100%),克林达米辛,氨基糖化物,叶酸抑制剂和酸,观察到高耐药率.
- 发现了 *mecA* 基因型和β-乳糖抗性之间的相关性, *SCCmecIII* 和 *SCCmecIV* 元素表明了不同的感染来源.
- 在S. aureus*分离物中检测到毒性和耐药性基因 (*icaA*/ *icaD*/ *mecA*) 的共存.
结论:
- 该研究确定了眼睛感染中的关键细菌病原体及其抵抗机制.
- 研究结果强调,迫切需要改进诊断方案,以确保及时有效的抗微生物治疗.
- 多种耐药性和毒性菌株的流行需要制定战略,以防止眼部感染的治疗失败.
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