手机细菌污染:手机比智能手机更安全吗?

Duygu Ozkaya, Sevgi Bilen Ayhan, Çağla Yazar, Ozgen Nahya, Pınar Kılıcdagı, A. Azap
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引用次数: 0

摘要

目的:我们旨在描述卫生保健工作者手机上的致病性污染,检测与污染相关的因素,并证明手机污染与随后的卫生保健相关感染之间是否存在联系。方法:本研究在安卡拉一家拥有2000张床位的三级保健大学医院进行。来自多个科室的631名医护人员(HCWs)愿意参与本研究。通过在手机表面和盖子两侧旋转无菌生理盐水溶液湿润的无菌拭子,从每个手机上提取细菌培养物。在一小时内将样品送到细菌学实验室,并在5%羊血琼脂上划线。分离的微生物用常规方法鉴定。结果:631部手机全部培养阳性;病原微生物44种(6.05%)。病原菌中未检出耐药。单变量分析表明,使用翻盖手机壳(P = 0.022)、专业经验少于5年(P = 0.049)、在最近48小时内清洁过手机(P = 0.030)以及在医疗病房工作(P = 0.022)与设备上的病原体污染显著相关。多因素logistic回归分析显示,使用翻盖是唯一与手机病原体污染相关的因素(P=0.035)。智能手机(7.7%)的致病菌污染率高于手机(5.2%)(P=0.263)。结论:智能手机致病菌污染高于手机,但未达到统计学意义。在手机上使用翻盖会增加污染率。我们不能证明从手机中分离出的细菌会引起HAI,但卫生保健工作者应该注意这个问题。
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Bacterial Contamination of Cellular Phones: Are Mobile Phones Safer than Smart Phones?
Objective: We aimed to describe pathogenic contamination on healthcare workers’ cellular phones, detect factors associated with contamination, and demonstrate whether there was a link between cell phone contamination and subsequent healthcare-associated infections. Methods: The study was conducted in a 2000-bed tertiary care university hospital in Ankara. A total of 631 healthcare workers (HCWs) from several departments willing to participate were included in the study. Bacterial cultures were taken from each cell phone via rotating a sterile swab moistened with sterile physiological saline solution over both sides of the phone surface and cover. Samples were taken to the bacteriology laboratory within one hour and streaked onto 5% sheep blood agar. Isolated microorganisms were identified with conventional methods. Results: All 631 cell phones investigated had positive cultures; forty-four (6.05%) were pathogenic microorganisms. Drug resistance was not detected among pathogenic bacteria. As determined by univariate analysis, using flip phone cover (P = 0.022), a professional experience of fewer than five years (P = 0.049), having cleaned the phone within the last 48 hours (P = 0.030), and working in a medical ward (P = 0.022) were significantly associated with pathogen contamination on the devices. Multivariate analysis with logistic regression revealed that using flip cover is the only factor associated with pathogen contamination on cell phones (P=0.035). Pathogen contamination on smartphones (7.7%) seemed to be higher than on mobile phones (5.2%) (P=0.263). Conclusion: Pathogen contamination on smartphones was higher than on mobile phones but did not reach statistical significance. Using flip cover covers on cellular phones increases contamination rates. We could not show any HAI occurred by the bacteria isolated from cell phones, but health care workers should pay attention to this issue.
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