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[目的]对上海市长宁区某医院老年住院患者病区发生的诺如病毒感染事件进行调查,了解医院感染控制工作存在的薄弱环节。[方法]采用现场流行病学方法进行调查,采用病区采样、询问、知识问卷、观察医护人员操作等方法收集导致医院感染暴发的相关信息。[结果]有11例老年住院患者与6名护工出现急性胃肠炎症状;该院老年病区的急性胃肠炎罹患率为11.56%(17/147);经实时聚合酶链反应(RT-PCR)方法检测,14份粪样中,10份诺如病毒Ⅱ型核酸阳性;床扶手表面大肠菌群阳性。通过对收集资料的分析,发现该院在医院感染控制工作的管理制度、手卫生、医护人员的消毒隔离知识和个人防护意识等方面存在薄弱环节。[结论]这是一起由诺如病毒感染引起的医院感染暴发事件,该院感染控制工作在管理制度、培训教育等方面需加以提高。
[Objective] To investigate the Norovirus infection in the elderly inpatient ward of a hospital in Changning District, Shanghai, and to understand the weak links in the control of hospital infection. [Methods] The method of field epidemiology was used to survey the relevant information that led to the outbreak of nosocomial infection by sampling ward, asking, knowledge questionnaire, observing the operation of medical personnel and so on. [Results] The incidence of acute gastroenteritis was found in 11 elderly hospitalized patients and 6 nursing workers. The prevalence of acute gastroenteritis was 11.56% (17/147) in the geriatric wards of the hospital. Real-time polymerase chain reaction (RT- PCR). In 14 samples of fecal samples, 10 Norovirus type II nucleic acid were positive. The surface of bed armrest was positive for coliform bacteria. Through the analysis of the collected data, we found that the hospital has weak links in the management system of hospital infection control, hand hygiene, disinfection and isolation knowledge of medical staff and personal protection awareness. [Conclusion] This is a nosocomial infection caused by nosocomial infection outbreak, the hospital infection control in the management system, training and education needs to be improved.