Abstract: 【Objective】 To investigate the prevalence of rickets for the preschool children and the relation between 25(OH)D₃ level and X-ray in rachitic patients. 【Methods】 On January 2010, physical examination, medical history collection, blood test and X ray film of left wrist were did in 150 preschoolers who were randomly selected among 5 kindergartens and 2 preschool classes in the city of Suihua, then the data were analysed. 【Results】 52 preschoolers were suffering from rickets among the 150 preschoolers. The prevalence of rickets was 34.6%, it was not related with gender and age. The 25-(OH)D₃ level in the rickets group with X-ray change was lower than that in the control group, and there were significant differences. 【Conclusions】 Rickets is still existed in preschoolers, but all of them are mild; The survey of 150 preschool children show that preschoolers in Suihua generally have vitamin D deficiency and shortages; The lower 25(OH)D₃ level, the more likely X-ray changes are happen.

Key words: preschool children, rickets, 25-(OH)D₃, X-ray

摘要： 【目的】 了解学龄前儿童佝偻病患病情况及X线与血25(OH)D₃水平关系。 【方法】 2010年1月在省绥化市5所幼儿园和2所学前班儿童中随机抽取150名进行体检、病史采集、采血化验、拍左腕骨正位片,并对数据进行分析。 【结果】 150名儿童中佝偻病患儿52例,患病率为34.6%。患病率与性别及年龄无关。佝偻病患儿中15例出现X改变,其平均血清25(OH)D₃水平与无X线改变患儿比较差异有统计学意义。 【结论】 学龄前儿童佝偻病仍存在,但均为轻度患者;在所调查的150名学龄前儿童中普遍存在维生素D缺乏及不足情况;血清中25(OH)D₃水平越低越可能出现X线骨骼改变。

关键词: 学龄前儿童, 佝偻病, 25(OH)D₃, X线