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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >A safe and practical decontamination method to reduce the risk of bacterial colonization of ultrasound transducers
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A safe and practical decontamination method to reduce the risk of bacterial colonization of ultrasound transducers

机译：一种安全实用的去污方法，可降低超声换能器细菌定植的风险

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Purpose: Hospital-acquired infections is a major concern affecting patient management, in which medical instruments and devices play an important role. The purpose of this study was to determine the degree of bacterial contamination of the sonographic probe and describe an effective, safe, and practical decontamination method. Methods: The study's sample consisted of 50 patients. Cultures were taken from the probe surface both after each examination and after the probes had been wiped clean with a dry, nonsterile paper towel. Cultures were also taken randomly from the coupling gel. Results: Initial cultures were positive in 49 cases (98%) for aerobic and in 26 cases (52%) for anaerobic bacteria. Cultures obtained after cleaning the probe were positive in only 21 cases (42%) for aerobic and in 12 cases (24%) for anaerobic bacteria. The most common bacteria isolated in the aerobic cultures were Streptococcus aureus and Staphylococcus epidermidis, and in the anaerobic cultures were Peptococcus spp. and Peptostreptococcus spp. All cultures taken from the coupling gel were negative. Conclusions: Sonographic probes may act as a medium for bacterial contamination and transmission. Cleaning of the probe with a dry, nonsterile paper towel is an easy, effective, low-cost, and device-friendly method that can reduce this risk.
机译：目的：医院获得性感染是影响患者管理的主要问题，其中医疗仪器和设备起着重要作用。这项研究的目的是确定超声探头的细菌污染程度，并描述一种有效，安全和实用的去污方法。方法：该研究的样本包括50例患者。在每次检查之后以及用干燥的，未消毒的纸巾将探针擦拭干净后，从探针表面取培养物。还从偶联凝胶中随机取培养物。结果：初始培养阳性的有氧菌49例（98％），厌氧菌26例（52％）。清洁探针后获得的培养物，有氧菌阳性的仅21例（42％），厌氧菌阳性12例（24％）。有氧培养物中分离出的最常见细菌是金黄色链球菌和表皮葡萄球菌，而无氧培养物中分离出的细菌是Peptococcus spp。和Peptostreptococcus spp。从偶联凝胶上获得的所有培养物均为阴性。结论：超声探头可作为细菌污染和传播的媒介。用干燥的，未消毒的纸巾清洁探头是一种简便，有效，低成本且对设备友好的方法，可以降低这种风险。

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