当前骨科手术中使用的最常见的抗生素释放系统的抗菌活性:体外研究研究
11. Orthopedic Clinic First Faculty of Medicine Charles University and University Hospital in Motol, Prague.
概括
骨和硫酸抗生素载体有效地抑制了骨科手术中的细菌生长. 然而,它们完全杀死细菌 (杀菌效果) 的能力有所不同,均性影响了结果.
科学领域:
- 整形外科 整形外科 整形外科
- 传染性疾病 传染性疾病
- 生物材料科学 生物材料科学
背景情况:
- 关节置换感染是一个重要的骨科挑战,需要多式治疗.
- 当地的抗生素输送系统对于管理这些感染至关重要.
- 对比不同抗生素载体的疗效对于优化治疗至关重要.
研究的目的:
- 评估和比较骨科手术中常用的常见抗生素载体的细菌静止和杀菌性质.
- 具体来说,评估骨和多孔硫酸盐装载的菌素.
- 为了确定这些载体对黄金葡萄球菌的抗菌疗效.
主要方法:
- 三个商业骨和一个多孔硫酸盐用不同度的万科米辛制备.
- 细菌静止性质被评估使用稀释方法对黄 Staphylococcus aureus.
- 细菌杀伤性质通过培养后的甲板方法来评估.
主要成果:
- 所有测试的载体都显示出出色的细菌静止特性,抑制细菌生长.
- 与其他药物 (≥1 mg/mL) 相比,Palacos®骨需要更高的度 (≥8 mg/mL) 进行细菌静止.
- 杀菌效果不那么一致,似乎与运载体内万科米辛分散的同质性相关.
结论:
- 骨和多孔硫酸都能有效地阻止细菌生长 (细菌静止效应).
- 不是所有载体都始终能实现完全的细菌消除 (杀菌效果).
- 抗生素分散的均性显著影响杀菌活性的可复制性和有效性.
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