尼克索布里德®是否具有抗微生物特性?
Amal Sharaf1, Philip Turpin1, Neil Ullyott1
1Mid Yorkshire NHS Trust, UK.
Burns : journal of the International Society for Burn Injuries
|September 7, 2024
概括
基于酶的除菌剂NexoBrid®在实验室测试中对常见病原体产生了有限的直接抗菌作用. 患者感染率较低可能是由于有效的除菌,而不是抗菌作用.
科学领域:
- 生物化学 生物化学
- 微生物学 微生物学
- 皮肤病学 皮肤病学
背景情况:
- 布罗梅林酶以其抗微生物特性而闻名.
- 之前的研究没有报告NexoBrid®对微生物的影响.
- 烧伤管理需要有效的清理和感染控制.
研究的目的:
- 在体外研究NexoBrid®的抗菌特性.
- 为了确定NexoBrid®是否直接抑制常见烧伤病原体的生长.
- 为了将实验室发现与感染率的临床观察相关联.
主要方法:
- 实验室实验使用先前处理NexoBrid®的穆勒-欣顿亚格板.
- 在连续稀释后,对常见病原体 (例如,E. faecalis,S. aureus) 的板块进行注射.
- 化时间为18小时,以观察抑制和减少微生物生长的区域.
主要成果:
- 经过NexoBrid®预处理的板块显示,E. faecalis和S. aureus的生长减少.
- 在18小时后,在NexoBrid®周围没有观察到抑制区域.
- 没有看到NexoBrid®与50种测试生物体的对照组合的抑制区域.
结论:
- 在体外,Nexobrid®对常见病原体具有极小的直接抗微生物活性.
- 在接受NexoBrid®治疗的患者中观察到较低的感染率可能归因于其对死组织的选择性脱brid.
- 在烧伤管理中,NexoBrid®的主要益处似乎是机械去,而不是直接的抗菌作用.
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