评估在康复室内麻醉机器内部电路中的细菌阳性率变化以及相关的风险因素
Shuxiao Zhang1, Jingwu Ge1, Xuelong Zhou1
1Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, No.300 of Guangzhou Road, Gulou District, Nanjing, Jiangsu, 210029, China.
BMC anesthesiology
|January 9, 2025
概括
麻醉机器电路中的细菌污染可能发生,特别是在老年患者的使用增加时. 将消毒工作集中在大量使用的机器和为老年人服务的机器上,以减轻在麻醉后护理单位的风险.
科学领域:
- 医学微生物学 医学微生物学
- 感染控制 感染控制
- 麻醉学 麻醉学
背景情况:
- 在麻醉后护理单位 (PACU) 的麻醉机器对于患者的康复至关重要.
- 随着COVID-19的流行,新的感染控制策略出现了,包括为个别患者提供专门的外部电路.
- 了解内部麻醉器电路中的细菌增殖对于保持患者安全至关重要.
研究的目的:
- 为了研究PACU内部麻醉机器电路中的细菌增殖.
- 评估使用单个专用外部电路对每位患者的协议的影响.
- 为了确定消毒后细菌污染的风险因素.
主要方法:
- 2022年7月至9月在PACU中对麻醉机器进行观察性研究.
- 内部电路每两周一次消毒,在消毒后的第3,5,7,10,12和14天进行细菌采样.
- 使用概括估计方程和修改Poisson回归的统计分析.
主要成果:
- 内部电路中的细菌阳性率在消毒后的14天内从10%到20%不等.
- 在第三天和随后的抽样点之间没有观察到阳性率的统计学上显著差异.
- 增加的老年患者数量和更长的手术使用时间是污染的重要风险因素 (P < 0.025).
结论:
- 虽然在疫情期间实施了新的协议,但消毒对麻醉机器内部电路至关重要.
- 具有较长累积手术使用时间的麻醉机器和服务于较多老年患者的麻醉机器需要优先消毒.
- 通过专注于高风险麻醉机器,可以实现对消毒的有效资源配置.
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