Amato M, Claus R, Hüppi P
Department of Pediatrics, Children's Hospital, Aarau, Switzerland.
Pediatr Radiol. 1992;22(5):361-2. doi: 10.1007/BF02016257.
Fifty healthy low birth weight infants (less than 1500 g) without risk factors for congenital hip dysplasia (CHD) were examined by ultrasonography (100 hips) at 40 weeks corrected age and controlled at 3 months postnatal age. Sonographic assessment was performed using the classification of Graf. A physiological delay of hip maturation was observed in 10% of the patients (type IIa). At follow-up all of them had normal hip morphology without any pathological finding. Our results suggest that prematurity alone should not be considered a risk factor for CHD.
对50名无先天性髋关节发育不良（CHD）危险因素的健康低体重婴儿（体重小于1500克）在矫正年龄40周时进行超声检查（共100个髋关节），并在出生后3个月进行对照检查。采用Graf分类法进行超声评估。10%的患者（IIa型）观察到髋关节成熟生理性延迟。随访时，所有患者髋关节形态正常，无任何病理发现。我们的结果表明，不应仅将早产视为CHD的危险因素。
