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目的 探讨用超声检查方法测量广东地区新生儿髋关节发育的情况.方法 对11132例在广东出生的新生儿,采用超声检查方法进行髋关节测量,以超声骨缘覆盖率法(BRP)和动态检查结合作为金标准诊断髋关节发育不良(DDH).结果 广东地区新生儿髋脱位发病率为11.8‰,髋关节不稳定发病率为12.1%.正常新生儿髋关节超声测量值:α、β角,髋臼指数,骨缘覆盖率,股骨头覆盖率,髋臼直径,股骨头直径均值依次为59.56°,39.48°,30.50°,57.40%,56.96%,15.71 mm,15.74 mm.结论 1. 明确了广东地区新生儿髋关节发育指标及DDH 的发病率;2.明确了南、北方人群新生儿DDH 的发病率的差异无统计学意义,而髋臼发育各指标间的差异有统计学意义.“,”Objective To explore the hip development of neonates in Guangdong.Methods We examined hip joints of 11132 neonates from Guangdong province with ultrasound.BRP(Terjesen) combined with dynamic (Engesaeter) method was used as golden standard for dignosis of developmental dysplasia of the hip (DDH).Results The incidence of dislocated hip is 11.8‰, and the incidence of unstable hip is 12.1% in neonates from Guangdong.The normal value of the angle α,β, acetabular index, bony rim percentage, the percentage of the covered femoral head, diameter of acetabulum, and diameter of the femoral head were 59.56°, 39.48°, 30.50°, 57.40%, 56.96%, 15.71 mm, 15.74 mm respectively. Conclusions 1.The normal neonate hip development and the morbidity of DDH in Guangdong according the experiment were got.2.The morbidity of DDH between northern and southern part of China has no significant difference, but some acetabular development index has statistical difference.