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Is the Environment of the Endoscopy Unit a Reservoir of Pathogens?

机译：内窥镜检查室的环境是否是病原体库？

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Background/Aims Given the characteristic procedures involved in the endoscopy unit, the spread of pathogens is much more frequent in this unit than in other environments. However, there is a lack of data elucidating the existence of pathogens in the endoscopy unit. The aim of this study was to detect the presence of possible pathogens in the endoscopy unit. Methods We performed environmental culture using samples from the endoscopy rooms of 2 tertiary hospitals. We used sterile cotton-tipped swabs moistened with sterile saline to swab the surfaces of 197 samples. Then, we cultured the swab in blood agar plate. Samples from the colonoscopy room were placed in thioglycollate broth to detect the presence of anaerobes. After 2 weeks of culture period, we counted the colony numbers. Results The most commonly contaminated spots were the doctor's keyboard, nurse's cart, and nurse's mouse. The common organisms found were non-pathogenic bacterial microorganisms Staphylococcus , Micrococcus , and Streptococcus spp.. No definite anaerobe organism was detected in the colonoscopy room. Conclusions Although the organisms detected in the endoscopy unit were mainly non-pathogenic organisms, they might cause opportunistic infections in immunocompromised patients. Therefore, the environment of the endoscopy room should be managed appropriately; moreover, individual hand hygiene is important for preventing possible hospital-acquired infections.
机译：背景/目的鉴于内窥镜检查单元所涉及的特征性程序，病原体的传播在该单元中比在其他环境中更为频繁。但是，缺乏数据阐明内窥镜检查单元中是否存在病原体。这项研究的目的是检测内窥镜检查单元中可能存在的病原体。方法我们使用来自两家三级医院内镜室的样本进行环境培养。我们使用蘸有无菌盐水的无菌棉签拭子来擦拭197个样品的表面。然后，我们在血琼脂平板中培养拭子。将结肠镜检查室的样品放入巯基乙酸盐肉汤中，以检测厌氧菌的存在。培养2周后，我们计算了菌落数。结果最常见的污染点是医生的键盘，护士的手推车和护士的鼠标。发现的常见生物是非致病性细菌微生物葡萄球菌，微球菌和链球菌。在结肠镜检查室中未发现明确的厌氧菌。结论尽管在内窥镜检查单元中检测到的微生物主要是非致病性微生物，但它们可能在免疫功能低下的患者中引起机会性感染。因此，应适当管理内窥镜室的环境。此外，个人手部卫生对于防止可能的医院获得性感染很重要。

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