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大腸桿菌O157:H7型

大肠杆菌O157:H7型
Escherichia coli O157:H7
在溫度28°C時琼脂上两种大肠杆菌O157生长了48小时後的形貌圖像。O157:H7菌落:(A)43895OW(不產生curli類澱粉蛋白纖維)和(B)43895OR(產生curli類澱粉蛋白纖維)
分类和外部资源
醫學專科傳染病學
ICD-10A04.3
ICD-9-CM008.04
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大肠杆菌O157:H7型Escherichia coli O157:H7)是一種腸道出血性大腸桿菌,是食物中毒的原因之一。感染者通常發生出血性腹瀉,尤其在年輕儿童和年長者中,有時導致腎衰竭[1]。傳染通過粪口途徑,很多病例與吃未煮熟或污染的牛肉豬肉、游泳、喝被污染的水、吃被污染的蔬菜有關。2009年,在馬薩諸塞州緬因州康涅狄格州已銷售新鮮的紐約州碎牛肉身上,發現大腸桿菌O157:H7型蹤跡,若未加熱至全熟,容易衍生疾病[2]

症狀

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感染大腸桿菌O157:H7型,通常會導致嚴重急性出血性腹瀉(亦可為非出血性腹瀉)及腹部絞痛。僅少數人出現發燒,症狀多在5至10天內緩解。亦可為無症狀感染。

5歲以下孩童、免疫不全或年長者感染時,可能導致溶血性尿毒綜合症出現溶血與腎衰竭之情形。約2~7%的感染者會出現此併發症。溶血性尿毒綜合症是美國兒童發生急性腎損傷的主要原因,溶血性尿毒綜合症多為感染大腸桿菌O157:H7型所致。

參考

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  1. ^ Karch, Helge; Tarr, Phillip I.; Bielaszewska, Martina. Enterohaemorrhagic Escherichia coli in human medicine. International Journal of Medical Microbiology. 2005-10-05, 295 (6) [2022-07-28]. ISSN 1438-4221. doi:10.1016/j.ijmm.2005.06.009. (原始内容存档于2013-02-20) (英语). 
  2. ^ New England Ground Beef E coli Outbreak and Recall : Food Poisoning Law Blog. Food Poisoning Lawyer & Attorney. 2009-10-31 [2022-07-28]. (原始内容存档于2014-10-31). 
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大腸桿菌O157:H7型
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