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PPT丨儿童过敏性疾病诊断及治疗专家共识

  • 2026-11-09 06:43:03
PPT丨儿童过敏性疾病诊断及治疗专家共识
共识速览
  1. 引言:过敏性疾病包含食物过敏、特应性皮炎等,是常见慢性非传染性疾病。我国儿童患病率逐渐接近西方国家,如重庆地区儿童特应性皮炎、我国 14 岁以下城市儿童哮喘、中国大陆地区过敏性鼻炎患病率均呈上升趋势。因专科医生缺乏,患儿分散于多科室诊治,存在诊治标准不统一、漏诊误诊等问题,故撰写此共识。
  2. 术语定义:详细解释超敏反应、过敏、过敏性疾病、过敏原、特应质、特应性进程、严重过敏反应、口服免疫耐受等术语,明确各概念内涵,如超敏反应可由免疫和非免疫机制介导,过敏性疾病是机体对无害物质的超敏反应性疾病。
  3. 发病机制及常见影响因素
    • 发病机制:IgE 介导过敏分致敏期、速发相和迟发相反应,分别阐述各阶段发生过程和临床表现;非 IgE 介导过敏机制不明,属免疫延迟反应,涉及多种细胞;部分患儿存在 IgE 及非 IgE 混合介导机制。
    • 常见影响因素:遗传方面,过敏性疾病多基因遗传并与环境交互,部分单基因与特应质直接相关;感染与内毒素暴露,卫生假说指出接触病原及内毒素可诱导免疫系统产生 Th1 - 干扰素 -γ 优势应答,抑制过敏性疾病发生;肠道菌群,其与免疫耐受相关,不同菌群模式影响免疫反应,益生菌防治是研究热点。
  4. 诊断方法
    • 过敏症状识别:详细介绍不同过敏性疾病症状,如消化道过敏有腹痛、腹泻、便血等,特应性皮炎在进食后有不同时段症状表现,过敏性鼻结膜炎有喷嚏、鼻痒等症状,过敏性哮喘有喘息、咳嗽等,严重过敏反应累及多器官系统,有休克风险,需即刻抢救。
    • 常用辅助检查:体外检查包括 EOS 计数,其升高可辅助诊断,但也受多种因素影响;血清特异性 IgE 检测,灵敏度和特异性较高,但不同检测方法结果不可比;特异性 IgG 检测不能单独用于诊断。体内检查有皮肤点刺试验,用于筛查过敏原,但阳性预测正确率低;激发试验用于确诊食物过敏和判断哮喘患儿支气管高反应性。其他检查包含肺功能检查,用于确定哮喘诊断和评估病情;呼出气一氧化氮测定,利于气道炎症状况评估;内镜检查用于消化道症状诊断和鉴别诊断。
    • 诊断标准:高度怀疑时转诊专科确诊,各专科疾病有相应诊疗指南。
  5. 治疗原则及管理
    • 对因治疗:回避吸入过敏原,如针对尘螨、霉菌、花粉、动物皮屑等采取相应措施;确诊食物过敏者严格回避过敏食物,牛奶蛋白过敏患儿合理选择替代食品,母乳喂养者母亲需回避相关食物并补充钙,配方奶喂养者在医生指导下选择合适配方。
    • 特异性免疫疗法:在有严格医疗监测的医院进行,用于过敏性鼻炎或哮喘控制不理想且过敏原明确的儿童,国内目前仅有螨虫变应原免疫制剂,食物过敏因有自愈倾向,口服免疫疗法尚未常规开展。
    • 药物对症治疗:肾上腺素是严重过敏反应的一线治疗药物;抗组胺药用于控制特应性皮炎、过敏性鼻炎和结膜炎症状,鼻用抗组胺药对鼻塞症状缓解更有效;白三烯受体拮抗剂是儿童哮喘和过敏性鼻炎一线用药;糖皮质激素依病情全身或局部使用;还有肥大细胞膜稳定剂、抗 IgE 抗体、钙调神经磷酸酶抑制剂等药物及鼻腔盐水冲洗等治疗方法。
  6. 教育管理
    • 健康教育:包括首诊、强化和家庭看护人员教育,普及过敏知识,提升治疗依从性。
    • 营养策略:针对高危人群,4 - 6 月龄合理选择配方粉,6 月龄后适时引入固体食物,添加益生菌仅用于预防湿疹,不建议用其他免疫调节性营养食物预防过敏性疾病。

丨参考文献丨

中华儿科杂志编辑委员会中华医学会儿科学分会,儿童过敏性疾病诊断及治疗专家共识,中华儿科杂志2019年3月第57卷第3期ChinJ Pediatr,March 2019,Vol.57,No.3,DOI:10.3760/cma.j.issn.0578-1310.2019.03.002

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  1. CONNECT:[ UseTime:0.000612s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
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  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000488s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000424s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000584s ]
  6. SELECT * FROM `set` [ RunTime:0.000343s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000703s ]
  8. SELECT * FROM `article` WHERE `id` = 563377 LIMIT 1 [ RunTime:0.000532s ]
  9. UPDATE `article` SET `lasttime` = 1794283459 WHERE `id` = 563377 [ RunTime:0.001737s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000356s ]
  11. SELECT * FROM `article` WHERE `id` < 563377 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000505s ]
  12. SELECT * FROM `article` WHERE `id` > 563377 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000461s ]
  13. SELECT * FROM `article` WHERE `id` < 563377 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000759s ]
  14. SELECT * FROM `article` WHERE `id` < 563377 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000814s ]
  15. SELECT * FROM `article` WHERE `id` < 563377 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000678s ]
0.100580s