大肠息肉的治疗方法

美国多个州暴发和面粉有关的产志贺样毒素大


截至年6月28日,美国21个州一共报告了42例和面粉有关的产志贺样毒素大肠杆菌O感染病例,其中11例住院治疗。

症状和体征

感染产志贺毒素E.coli(STEC)后2-8天(平均-4天)发病:

大多数人表现为腹泻(通常为血便)和腹部绞痛;

大多数在发病1周内恢复。

部分持续时间长的病例,可能会更严重,导致溶血尿毒症性综合征(HUS),如溶血和肾脏功能衰竭。

HUS在任何年龄均可发生,但在5岁以下儿童、老年人和免疫功能低下者更常见。

HUS的症状包括发热、皮肤苍白、疲劳和烦躁、小的不好解释的瘀斑、或鼻子和口腔出血,尿量减少。

有以上表现的病人需要立即寻求急诊医疗。

STEC感染通过大便检验可以诊断。

PeopleinfectedwiththeoutbreakstrainofE.coliO,bystateofresidence,asofJune28,(n=42)

Highlights

ReadtheRecallAdvicetoConsumers,Restaurants,andRetailers

CDC,multiplestates,andtheU.S.FoodandDrugAdministration(FDA)areinvestigatingamultistateoutbreakofShigatoxin-producingEscherichiacoliO(STECO)infections.

Forty-twopeopleinfectedwiththeoutbreakstrainofSTECOhavebeenreportedfrom21states.

Elevenillpeoplehavebeenhospitalized.Noonehasdevelopedhemolyticuremicsyndrome,atypeofkidneyfailure,andnodeathshavebeenreported.

Epidemiologic,laboratory,andtracebackevidenceindicatethatflourproducedattheGeneralMillsfacilityinKansasCity,Missouriisalikelysourceofthisoutbreak.

OnMay1,,GeneralMillsrecalledseveralsizesandvarietiesofGoldMedalFlour,GoldMedalWondraFlour,andSignatureKitchensFlourduetopossibleE.colicontamination.

InlateJune,FDAisolatedSTECOfromsamplesofGeneralMillsflourcollectedfromthehomesofillpeopleinArizona,andOklahoma.TheflourcollectedinOklahomawasnotincludedintheinitialGeneralMillsrecall.

Inresponsetotheselaboratoryfindings,onJuly1,GeneralMillsexpandedtherecalltoincludeadditionallotsofflourunderthesamebrandsfromtheinitialrecall.

InearlyJune,FDAlaboratorytestingisolatedtheoutbreakstrainofSTECOfromanopensampleofGeneralMillsflourcollectedfromthehomeofanillpersoninColorado.Theflourcamefromalotincludedintheinitialrecall.

AlistoftherecalledfloursandhowtoidentifythemisavailableontheAdvicetoConsumerspage.

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