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根据欧洲变态反应与临床免疫学会(European Academy of Allergology and Clinical Immunology,EAACI)的定义[1],过敏反应是指一种严重的、威胁生命的系统性或全身性高敏反应。临床上,过敏反应主要用于描述被某种特定物质致敏的机体,再次接触该物质时所发生的急性自我伤害性反应。根据发生机制的不同,过敏反应分为两种类型:免疫性过敏反应和非免疫性过敏反应。前者由IgE抗体介导,即速发型(I型)变态反应;后者为过敏原直接作用于肥大细胞,引起过敏介质的释放,无免
According to the European Academy of Allergy and Clinical Immunology (EAACI) definition [1], anaphylaxis refers to a serious, life-threatening systemic or systemic hypersensitivity reaction. Clinically, the allergic reaction is mainly used to describe the body sensitized by a particular substance, the acute self-harm reaction occurred when the substance is contacted again. According to the mechanism of occurrence of different types of allergic reactions are divided into two types: immune allergic reactions and non-immune allergic reactions. The former is mediated by IgE antibodies, ie, rapid-onset (type I) allergy; the latter is directly affected by allergens in mast cells, causing the release of allergic mediators, no