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目的探讨经规范化产前超声筛查后,新生儿出现出生缺陷的漏诊原因。方法回顾性分析2012年1月至2013年12月全程在北京市海淀区妇幼保健院进行规范化产前超声筛查未见异常,且在本院分娩的新生儿外观和检查有结构异常的数据资料,探讨新生儿存在出生缺陷的产前超声筛查漏诊原因。结果 25 416例孕妇中,新生儿存在先天缺陷310例,包括严重畸形24例、轻微畸形286例。在各类漏诊先天畸形中,以外生殖器异常最常见,其次为指/趾的畸形最为常见。轻微畸形发生率远高于严重畸形(P<0.05)。结论规范的产前超声筛查的情况下,产前超声不能或难以诊断的畸形,及在产前超声筛查检查范围之外的畸形是发生新生儿结构异常出生缺陷的主要原因。
Objective To investigate the causes of missed diagnosis of neonatal birth defects after standardized prenatal ultrasound screening. Methods A retrospective analysis of the data from January 2012 to December 2013 in Haidian District, Beijing Maternal and Child Health Hospital for standardized prenatal ultrasound screening showed no abnormalities, and the appearance of newborns in our hospital and check the structural abnormalities data To investigate the causes of misdiagnosis of prenatal ultrasound screening in neonates with birth defects. Results Among 25 416 pregnant women, 310 cases of birth defects were found in newborns, including 24 cases of severe deformity and 286 cases of slight deformity. In all kinds of misdiagnosis of congenital malformations, genital abnormalities other than the most common, followed by finger / toe deformities most common. The incidence of mild deformity was much higher than that of severe deformity (P <0.05). Conclusions A standardized prenatal ultrasound screening, abnormalities that can not be diagnosed by prenatal ultrasound or difficult to diagnose, and deformities beyond the range of prenatal ultrasound screening are the main causes of birth defects in neonatal structures.