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口服卡介苗对哮喘患者外周血Th1/Th2平衡的调控作用和疗效观察 被引量:5

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摘要 目的:观察口服卡介苗(BCG)对哮喘患者外周血Th1/Th2平衡的调控作用及疗效观察。方法:选择80例哮喘急性发作期患者,随机分为BCG组和对照组。BCG组在对照组常规吸入激素治疗的基础上,加用BCG口服(50 mg/支),每次2支用5%碳酸氢钠250 mL稀释后饭前口服,每周1次,共12周。双抗体夹心ELISA法检测两组患者治疗前后外周血培养上清单个核细胞(PBMC)中白介素-4(IL-4)、γ-干扰素(IFN-γ)含量,并观察患者肺功能和日夜间症状的变化。结果:两组患者治疗前培养上清PBMC中IL-4和IFN-γ水平无统计学差异(P>0.05)。两组患者经治疗12周后培养上清PBMC中IL-4水平均较治疗前明显下降,IFN-γ水平均较治疗前明显上升,且BCG组较对照组下降或上升更明显。两组患者肺功能指标FEV1%和PEF%、日夜间症状评分均较治疗前明显改善,且BCG组较对照组改善更明显。结论:口服BCG治疗哮喘的临床疗效确切,能明显改善患者的肺功能和日夜间症状,其作用机制与纠正Th1/Th2细胞因子平衡,使免疫反应由Th2型向Th1型逆转有关。
作者 严绍南
出处 《实用医学杂志》 CAS 北大核心 2009年第9期1470-1472,共3页 The Journal of Practical Medicine
基金 浙江省文成县科技局课题资助项目(编号:200833)
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参考文献8

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