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儿童支气管哮喘气道炎症的细胞多型性分析——附54例报告 被引量:3

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摘要 目的:探讨儿童支气管哮喘(哮喘)气道炎症的细胞多型性,分析不同分型的患儿对治疗的反应。方法:54例急性发作期哮喘患儿根据痰涂片细胞分类中嗜酸性粒细胞所占比例分为非嗜酸性粒细胞性哮喘(non-eosinophilic asthma,NEA)组及嗜酸性粒细胞性哮喘(eosinophilic asthma,EA)组,分别检测2组的血常规,观察其血细胞形态,记录痰涂片结果,并对其入组时及接受常规联合治疗3个月后达缓解期的肺功能进行检查,比较2组差异。结果:EA组25例,NEA组29例。EA组96%患儿血嗜酸性粒细胞升高,无中性粒细胞升高者,血细胞形态异常者多为偶见异形淋巴细胞(占44%);NEA组则有21%中性粒细胞升高,无嗜酸性粒细胞升高者,血细胞形态异常者以中性粒细胞见中毒颗粒及空泡变性改变者(24%)及偶见异形淋巴细胞者(24%)居多。EA组的痰涂片嗜酸性粒细胞明显高于NEA组(P<0.01),NEA组的痰涂片中性粒细胞明显高于EA组(P<0.01)。2组缓解期的各项肺功能指标均比急性发作期改善(均为P<0.05),其中EA组的FEV1改善程度明显高于NEA组(P<0.01)。结论:哮喘是一种多型性的气道炎症性疾病,嗜酸性粒细胞、中性粒细胞均可参与其气道炎症,EA患儿对联合治疗反应优于NEA患儿,应根据哮喘患儿的痰涂片细胞分类了解其分型,制定个体化治疗方案。
出处 《新医学》 2009年第12期800-801,840,共3页 Journal of New Medicine
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