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目的:通过对159例合并泌尿系统不同程度扩张胎儿的妊娠结局进行随访,进一步分析胎儿泌尿系统扩张的发生原因及预后。方法:对2002年1月～2004年12月间在该院行产前超声检查发现胎儿合并不同程度泌尿系统扩张的159例妊娠进行随访,记录产后新生儿复查肾脏超声的结果或引产者的相关尸检结果。结果:159例妊娠中,因胎儿合并其他严重畸形或染色体异常而引产的有6例,产后复查新生儿超声转为正常的有119例,仍存在泌尿系统扩张需进一步治疗的有34例。结论:胎儿泌尿系统扩张主要由泌尿道梗阻性病变和非梗阻性病变引起,不同的病因,会出现不同的预后。
OBJECTIVE: To investigate the causes and prognosis of fetal urinary system dilatation through the follow-up of 159 pregnancy outcomes with different degrees of fetal expansion in the urinary system. Methods: From January 2002 to December 2004, 159 prenatal echocardiographic examinations of fetus with different degrees of urinary system dilatation were performed during the prenatal period in our hospital. All the pregnancies were followed up and the results of postpartum neonates with recurrent renal ultrasound or those of the induced abortion were recorded Autopsy results. Results: Of the 159 pregnancies, 6 were induced by fetuses with other serious deformities or chromosomal abnormalities, 119 were normalized by postnatal follow-up and 34 were still undergoing further treatment of urinary system expansion. CONCLUSION: Fetal urinary system dilation is mainly caused by obstructive and non-obstructive urinary tract diseases. Different causes may lead to different prognosis.