目的 了解扬州市婴幼儿25-羟维生素D水平及现状,为科学合理指导婴幼儿维生素D缺乏提供理论依据。方法 对2012年8-12月来本院儿童保健门诊进行常规检查的986例婴幼儿进行静脉末梢血血清25-羟维生素D水平测定。结果 986例婴幼儿血清25-羟维生素总体水平为(87.33±35.77)nmol/L,性别差异无统计学意义。25-羟维生素D水平缺乏、不足、适宜水平的检出率为分别为11.4%、32.3%、56.4%。季节变化对婴儿的维生素D水平的影响不明显,而1~2 h/d户外活动及常规补充维生素D可有效预防维生素D缺乏。结论 扬州地区婴幼儿维生素D水平普遍较低,应对家长进行有关科学预防维生素D缺乏知识的宣传教育,对婴幼儿参加户外活动及维生素D服用情况进行系统管理。

Objective To understand the levels of 25-hydroxyvitam D [25-(OH)D]of infants in Yangzhou city and to provide scientific prevention vitamin D deficiency. Methods A total of 986 infants who received physical examination in Yangzhou maternal and child care service center were recruited from August to December,2012. Results The overall level of 25-(OH)D of 986 cases were (87.33±35.77)nmol/L,without statistical significance between sexes.The detection rates of 25-(OH)D of deficiency,insufficient,preferred range were 11.4%、32.3%、56.4%,respectively.The changes of vitamin D during different seasons were not obvious in infants,but it was important of 1~2 h/d outdoor activities and regular use of vitamin D. Conclusion The status of vitamin D of infants in Yangzhou is not optimistic,it is necessary to enhance education of vitamin D deficiency and to supervise systemically about activities in outdoor and vitamin D use.