特应性皮炎患儿25-羟基维生素D缺乏与食物过敏的相关研究

目的 本研究旨在检测特应性皮炎(AD)患儿血清25-羟基维生素D25-(OH) VitD]水平,探讨其与食物过敏(FA)的相关性.方法 收集60例AD患儿,抽取清晨空腹静脉血,检测血清25-(OH) VitD水平,并检测6种普通食物的特异性免疫球蛋白E(IgE)水平,调整潜在风险和混杂因素,多元回归分析检验血清25-(OH)VitD水平与FA之间的关系.结果 在60例AD患儿中,67.4％伴有FA,其中对牛奶过敏的患儿居多(86.84％),未发现小麦过敏者.AD患儿25-(OH)VitD水平与年龄呈正相关关系(r=0.46,P＜0.01),但与总IgE水平未发现统计学相关性(P＞0.05).25-(OH)VitD缺乏可能显著增大导致FA的风险(OR=11.20,95％CI:1.35～73.66,P=0.023).结论 婴幼儿AD患者的血清25-(OH)VitD水平的降低与FA相关,并且25-(OH)VitD缺乏可能是增大FA的风险因素.

Study on the relationship between 25-hydroxyl vitamin D deficiency and food allergy in children with atopic dermatitis

Objective The purpose of this study was to detect serum 25-hydroxyvitamin D 25-(OH) VitD] levels in children with atopic dermatitis (AD) and to explore its association with food allergy (FA).Methods Sixty cases of infant patients with AD have been collected.The morning fasting venous blood were obtained to check the 25-(OH)VitD level in serum.Moreover,IgE in 6 kinds of common food was also tested.Multiple regression analysis was used to analyze the relation between 25-(OH)VitD level in serum and FA.The potential risks and confounding factors were adjusted.Results Among the 60 AD children,67.4％ of them had FA,and the majority of them had milk allergy (86.84％),no wheat allergy was found.There was a positive correlation between 25-(OH) VitD levels and age (r=0.46,P＜ 0.01),but no statistical correlation with total IgE levels (P＞0.05).25-(OH)VitD deficiency may significantly increase the risk of suffering from FA (OR=11.20,95％CI:1.35-73.66,P=0.023).Conclusion The decrease of the 25-(OH)VitD level in infant patients with AD is associated with FA.What's more,25-(OH)VitD deficiency may be a risk factor for increasing FA.