Bone Joint J:硫酸钙载万古霉素的体外药代动力学研究

2018-04-10 MedSci MedSci原创

硫酸钙(CaSO4)是一种可吸收的材料,可以同时用作死腔的填充物,也可以作为局部应用抗生素的载体。本研究旨在描述负载万古霉素的CaSO4作为常规治疗骨关节感染的辅助治疗中万古霉素的全身暴露和伤口液体浓度。 研究共纳入了87例患者,包括94颗植体,收集了680份手术后血液和233例伤口液体样本用于分析。使用多达6克万古霉素。对来自治疗感染髋关节的37位患者的数据进行非房室药代动力学分析。 结果显示,

硫酸钙(CaSO4)是一种可吸收的材料,可以同时用作死腔的填充物,也可以作为局部应用抗生素的载体。本研究旨在描述负载万古霉素的CaSO4作为常规治疗骨关节感染的辅助治疗中万古霉素的全身暴露和伤口液体浓度。

研究共纳入了87例患者,包括94颗植体,收集了680份手术后血液和233例伤口液体样本用于分析。使用多达6克万古霉素。对来自治疗感染髋关节的37位患者的数据进行非房室药代动力学分析。

结果显示,即使在术后肾功能衰竭的患者中,总体全身暴露仍在安全范围内,不需要去除颗粒。局部浓度比聚甲基丙烯酸甲酯(PMMA)作为载体高约10倍,但仍低于报道的细胞毒性阈值。伤口液体中的浓度在几周内降低,但是在术后直至三个月仍然高于葡萄球菌的最小抑制浓度。

总之,该研究首次提供了以CaSO4作为载体的局部应用万古霉素的药代动力学描述,记录缓释、系统安全性和远比PMMA更优的释放曲线。具体而言,本研究的体外数据显示,万古霉素对葡萄球菌生物膜有活性的浓度持续数周。

原始出处:

Wahl P, Guidi M, et al., The levels of vancomycin in the blood and the wound after the local treatment of bone and soft-tissue infection with antibiotic-loaded calcium sulphate as carrier material. Bone Joint J. 2017 Nov;99-B(11):1537-1544. doi: 10.1302/0301-620X.99B11.BJJ-2016-0298.R3.

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    2018-07-28 apoenzyme
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    2018-11-24 fengyqf
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    2018-04-10 131****1460

    学习了受益匪浅

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