一个手持的UV-C发光二极管可以减少在操作场附近的环境污染
Rachael A Turner1, Roseann M Johnson2, Yasmin Yazdani-Farsad2
1University of Texas Rio Grande Valley School of Medicine, Edinburg, TX, USA.
Antimicrobial stewardship & healthcare epidemiology : ASHE
|February 14, 2025
概括
一个手持的紫外线-C (UV-C) 发光二极管 (LED) 消毒装置显著减少了手术室高触摸表面上的细菌. 这项技术有望减少环境污染,并可能降低周围假肢关节感染 (PJI) 率.
科学领域:
- 在医疗保健机构的感染控制.
- 在手术室的环境卫生.
- 抗微生物技术 抗微生物技术
背景情况:
- 周围假肢关节感染 (PJI) 可能是由环境病原体的传播引起的.
- 在手术室的高触摸表面 (HTS) 在手术之间经常不够清洁.
- 了解环境污染对于预防手术部位感染至关重要.
研究的目的:
- 为了评估手持UV-C LED设备在净化HTS的有效性.
- 评估在手术室环境中的关键表面的细菌负载减少.
主要方法:
- 使用三性大豆接触板量化细菌负载 (CFU) 的前性研究.
- 手术前后,手工清洗前后以及UV-C LED消毒后采集的表面样本.
- 盘子化48小时,然后进行CFU计数.
主要成果:
- 手术前后的细菌负载没有显著差异 (P=0.9397).
- 手动清洗使平均CFU减少了74% (P=0.0162).
- 紫外线-C LED消毒进一步将平均CFU降低了92% (P<0.0001),达到0.28CFU/表面.
结论:
- 手持UV-C LED设备可以有效地减少HTS的环境污染.
- 需要进一步的研究来确认这种污染减少是否与PJI发病率下降相关.
- 紫外线-C LED 技术为手术室灭菌提供了一个潜在的辅助方法.
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