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目的:探讨229例婴儿超声波髋关节检查婴儿股骨头骨化中心出现早晚的相关因素分析。方法:对上海市长宁区妇幼保健院2013年10月~2014年11月出生的229例婴儿超声波髋关节B超检查,其中94例产后体检髋关节即出现股骨头骨化中心及135例产后体检髋关节未出现骨化中心的婴儿设立对照组进行相关因素分析。结果:超声波髋关节检查中婴儿性别与髋关节股骨头骨化中心出现早晚差异有统计学意义(P<0.01),母孕期及婴儿期补钙情况与髋关节内骨化中心出现的早晚差异无统计学意义(P>0.05),婴儿喂养方式与髋关节股骨头骨化中心出现早晚的差异无统计学意义(P>0.05),母亲产后体检血25羟维生素D3、血微量元素血钙值、骨密度值与髋关节内骨化中心出现早晚的差异无统计学意义(P>0.05)。结论:婴儿髋关节股骨头骨化中心在4~6月龄中胎龄越大的婴儿出现越早,女婴髋关节股骨头骨化中心比男婴出现的早。补钙及母亲缺钙情况不能反映婴儿髋关节股骨头骨化中心出现的早与晚。
Objective: To investigate the related factors of early and late appearance of infantile femoral head ossification center in 229 infants with ultrasound hip joint. Methods: A total of 229 infants with ultrasonic hip joint B-ultrasound were surveyed in Changning District Maternity and Child Care Hospital of Shanghai from October 2013 to November 2014. Among them, 94 postnatal physical examinations showed femoral head centering and 135 postpartum hip examinations The joint did not appear ossification center of the infants set up a control group related factors. Results: There was a significant difference in sex and hip femoral ossification center between ultrasound and hip joint examination (P <0.01). There was no statistic difference between calcium level in infants and infants in early pregnancy (P> 0.05). There was no significant difference between infants feeding mode and the femoral head center of femur in early or late pregnancy (P> 0.05). The postpartum physical examination blood 25 hydroxyvitamin D3, blood trace element calcium, BMD There was no significant difference between the value and the hip ossification center in the morning and evening (P> 0.05). CONCLUSIONS: The earlier the infant with older gestational age appears in the hip femoral head center of infants, the femoral head center of females is older than the male infant. Calcium and calcium deficiency in mothers do not reflect early and late appearance of the hip femoral head center in infants.