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采用新鲜荔枝果汁对 2 3例可疑病例及对照组分别进行皮肤点刺试验和支气管激发试验 ,并测定激发试验前后FEV1 、PEF值的变化。皮肤点刺试验 :荔枝组均出现阳性反应 ,而对照组则为阴性反应 ,两组风团面积大小比较差异有显著意义 (P <0 .0 1)。支气管激发试验 :荔枝组均出现哮喘发作 ,而对照组则无一例为哮喘发作 ,两组激发试验前后FEV1 、PEF值比较差异均有显著意义 (P <0 .0 0 1)。荔枝作为支气管哮喘的一种重要的致敏原 ,可引起哮喘发作
Twenty-three suspicious cases and control group were subjected to skin prick test and bronchial provocation test respectively using fresh lychee juice, and the changes of FEV1 and PEF before and after the stimulation test were measured. Skin prick test: Litchi group showed a positive reaction, while the control group was negative reaction, the size of the two groups of wind groups were significantly different (P <0. 01). In the bronchial provocation test, asthma attacks were found in the litchi group, but none in the control group. The FEV1 and PEF values were significantly different between the two groups before and after challenge (P <0.01). Lychee as an important allergen of bronchial asthma, can cause asthma attacks