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目的研究超声骨密度测定对婴幼儿佝偻病早期诊断的价值。方法全体0~3岁佝偻病患儿中,随机抽取50例0~1岁患儿纳入观察A组,抽取50例1~2岁患儿纳入观察B组,抽取50例2~3岁患儿纳入观察C组;从同期在本科门诊就诊的全体健康检查正常的婴幼儿中随机抽取50例0~1岁婴幼儿纳入对照A组,抽取50例1~2岁婴幼儿纳入对照B组,抽取50例2~3岁婴幼儿纳入对照C组。比较各年龄段观察组和对照组婴幼儿的超声骨密度测定值和观察组内男、女患儿的超声骨密度测定值以评价其早期诊断价值。结果观察A、B、C组患儿超声骨密度测定Z值明显低于对照A、B、C组,差异有统计学意义(P<0.01);观察组男、女患儿间超声骨密度测定Z值比较差异无统计学意义(P>0.05)。结论超声骨密度测定仪对婴幼儿维生素D缺乏性佝偻病具有良好的诊断效果,值得在临床推广应用。
Objective To study the value of ultrasonic bone mineral density measurement in the early diagnosis of infant rickets. Methods A total of 50 children aged 0-1 years were enrolled in the study. A total of 50 children aged 1-2 years were enrolled in the observation group B. Fifty children aged 2-3 years were enrolled in the study. Fifty cases of infants from 0 to 1 years old were randomly selected from control group A and 50 infants from 1 to 2 years old were enrolled into control group B. Fifty Cases of 2 to 3 years old infants and young children into the control group C. The ultrasonic bone mineral density (BMD) of infants and young children in observation group and control group of each age group were compared with those of male and female children in the observation group to evaluate their early diagnostic value. Results The Z-scores of ultrasonic bone mineral density in children with A, B and C were significantly lower than those in control A, B and C groups (P <0.01). Ultrasound bone mineral density There was no significant difference in Z value (P> 0.05). Conclusion Ultrasound bone mineral density detector for infants and young children with vitamin D deficiency rickets has a good diagnostic value, it is worth in the clinical application.