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目的通过对太原地区0-3岁健康婴幼儿骨密度检测结果的分析,探讨0~3岁婴幼儿骨密度变化规律,建立本地区婴幼儿超声骨密度的正常参考值。方法随机选取2000例0~3岁健康婴幼儿,采用定量超声法测定胫骨中断的SOS骨密度值,并按照不同性别及月龄分组进行骨密度的比较。结果 0~3岁婴幼儿SOS值随着月龄的增加,SOS值逐渐升高,与月龄呈明显正相关(r=0.68,P<0.05);相同月龄骨密度值,男性大于女性,但除6~9月龄有显著性差异,(P<0.05),其余相同年龄段性别间均无显著性差异(P>0.05)。结论 0~3岁是骨密度增长较快时期,骨密度随着月龄增长逐渐升高;相同月龄男性骨密度大于女性,6~9月龄最为显著。
OBJECTIVE: To analyze the changes of bone mineral density (BMD) in 0-3 year-old infants and young children by analyzing the BMD of 0-3 year-old infants in Taiyuan area and to establish the normal reference value of infantile bone mineral density in this area. Methods Totally 2000 SLE children aged 0 ~ 3 years old were selected. SOS bone mineral density (BMD) was measured by quantitative ultrasound method. The bone mineral density (BMD) was compared according to sex and age group. Results The SOS of infants aged 0-3 years increased gradually with the increase of age, which was positively correlated with age (r = 0.68, P <0.05). The BMD of the same month was higher in males than in females, However, there was a significant difference between 6 and 9 months (P <0.05), but there was no significant difference between the other sexes (P> 0.05). Conclusions 0 ~ 3 years old is the period of fast increasing bone mineral density, and the bone mineral density increases gradually with the increase of age. The same age male bone density is higher than that of female, the most obvious is 6 ~ 9 months old.