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目的了解上海市浦东新区某三级医院肠道门诊食源性腹泻病例的流行病学特征,为制定相应的防治对策提供科学依据。方法收集2013年8月—2014年8月浦东新区某大型三级综合性医院肠道门诊的腹泻病监测资料,进行流行病学分析,同时采集粪便/肛拭样本,进行病原学检测。结果 310例食源性腹泻病例中,主要可疑食物为肉类与肉制品115例(37.1%)、果蔬类86例(27.7%)、水产品68例(21.9%),86%的患者就餐地点为家里和餐饮店。采样182例,检出阳性菌株32例,其中致泻性大肠杆菌16例,阳性率为8.80%;沙门菌8例,阳性率为4.40%;副溶血性弧菌8例,阳性率为4.40%。结论患者中致泻性大肠杆菌、沙门菌和副溶血性弧菌的检出率较高,同时肉类和肉制品、果蔬类和水产品是可能的污染食品。
Objective To understand the epidemiological characteristics of food-borne diarrhea cases in a tertiary hospital in Pudong New Area in Shanghai and to provide a scientific basis for the development of appropriate control strategies. Methods The data of diarrheal diseases in the gut clinic of a large tertiary general hospital in Pudong New Area from August 2013 to August 2014 were collected for epidemiological analysis and fecal / anal swab samples were collected for pathogen detection. Results Among the 310 cases of food-borne diarrhea, the main suspicious foods were meat and meat products in 115 cases (37.1%), fruits and vegetables in 86 cases (27.7%), aquatic products in 68 cases (21.9%) and 86% of the patients For home and restaurant. 182 samples were collected and 32 positive samples were detected, of which 16 were diarrheal Escherichia coli, the positive rate was 8.80%, 8 were Salmonella, the positive rate was 4.40%, 8 were Vibrio parahaemolyticus, the positive rate was 4.40% . Conclusions The detection rate of diarrheal Escherichia coli, Salmonella and Vibrio parahaemolyticus in patients is high, while meat and meat products, fruits and vegetables and aquatic products are the possible contaminated food.