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中华医学超声杂志(电子版) ›› 2020, Vol. 17 ›› Issue (06) : 518 -522. doi: 10.3877/cma.j.issn.1672-6448.2020.06.006

所属专题: 妇产科超声影像学 文献 妇产科超声

妇产科超声影像学

产前3D彩色多普勒超声在脐带真结节评估中的应用价值
张铁娟1, 玄英华1, 岳嵩1, 孙丽娟1, 吴青青1,()   
  1. 1. 100026 首都医科大学附属北京妇产医院超声科
  • 收稿日期:2020-04-20 出版日期:2020-06-01
  • 通信作者: 吴青青

Value of prenatal 3D color Doppler ultrasonography in evaluation of true umbilical cord knots

Tiejuan Zhang1, Yinghua Xuan1, Song Yue1, Lijuan Sun1, Qingqing Wu1,()   

  1. 1. Department of Ultrasound, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026,China
  • Received:2020-04-20 Published:2020-06-01
  • Corresponding author: Qingqing Wu
  • About author:
    Corresponding author: Wu Qingqing, Email:
引用本文:

张铁娟, 玄英华, 岳嵩, 孙丽娟, 吴青青. 产前3D彩色多普勒超声在脐带真结节评估中的应用价值[J]. 中华医学超声杂志(电子版), 2020, 17(06): 518-522.

Tiejuan Zhang, Yinghua Xuan, Song Yue, Lijuan Sun, Qingqing Wu. Value of prenatal 3D color Doppler ultrasonography in evaluation of true umbilical cord knots[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2020, 17(06): 518-522.

目的

探讨产前3D彩色多普勒高分辨仿真血流模式在脐带真结节评估中的应用价值。

方法

选取2019年1月至2019年6月于首都医科大学附属北京妇产医院超声科产检并于产前拟诊为脐带打结的胎儿6例,6例均于产后得到证实。所有病例均行二维超声及彩色多普勒超声检查,可疑脐带打结时,应用3D高分辨仿真血流进行观察。对6例脐带真结节病例的超声影像学表现进行分析。

结果

6例病例中,1例为单绒毛膜单羊膜囊双胎,余均为单胎;5例剖宫产结束妊娠,1例自然分娩。6例脐带真结节病例中,1例单绒毛膜单羊膜囊双胎的两胎儿脐带互相缠绕形成双"8"字、类似中国结样复杂的结节特征,5例单胎胎儿表现为单个"8"字结样特征,其中2例伴脐带局部增粗、水肿及脐带囊肿,1例同时合并脐带静脉血栓。

结论

对于可疑脐带打结及存在高危因素的病例,需重点探查脐带以减少漏诊脐带真结节;3D彩色多普勒高分辨仿真血流技术可立体、直观显示脐带形态结构及血流,有助于脐带真结节的确定诊断。

Objective

To evaluate the value of prenatal 3D high resolution simulated blood flow mapping by color Doppler ultrasonography in the evaluation of true umbilical cord knots.

Methods

A total of six fetuses with umbilical cord knots were diagnosed at the Department of Ultrasound, Beijing Obstetrics and Gynecology Hospital from January 2019 to June 2019, and all of them were confirmed after delivery. All cases were examined by two-dimensional ultrasound and color Doppler ultrasonography. When the umbilical cord was suspected to be knotted, 3D high resolution simulated blood flow mapping was performed. The imaging findings were then analyzed.

Results

Among the six cases, one was single chorionic and single amniotic sac twins, and the other five were singletons; five were pregnant after cesarean section and one was delivered naturally. The umbilical cords of the one single chorionic and single amniotic sac twins were wound around each other to form a double "8" complex knot similar to Chinese knot, and the five singleton fetuses showed single "8" knot features. Two cases were associated with local thickening of the umbilical cord, edema, and umbilical cord cyst, and one case was complicated with umbilical vein thrombosis.

Conclusion

For patients with suspected umbilical cord knotting and high risk factors, it is necessary to carefully observe the umbilical cord to reduce the missed diagnosis of true umbilical cord knots, and 3D color Doppler high resolution simulated blood flow technique can stereoscopically and intuitively display the morphological structure and blood flow of the umbilical cord, which is helpful to determine the diagnosis of true umbilical cord knots.

表1 6例脐带真结节病例的一般资料
图1 单绒毛膜单羊膜囊双胎脐带真结节的产前3D彩色多普勒超声图像及产后脐带图片。图a~c显示两胎儿脐带相互缠绕打结,随孕周增加缠绕加重(图a为孕16周时超声图像,图b为孕19周时超声图像,图c为孕32周时两胎儿脐带缠绕呈中国结样超声图像);图d示孕32+2周胎儿剖宫产分娩后见脐带打结
图2 孕妇,34岁,脐带真结节的产前3D彩色多普勒超声图像及产后脐带图片。图a为孕39+2周超声图像示脐带打结呈"8"字样;图b示孕39+6周自然分娩后见脐带打结
图3 孕妇,31岁,脐带真结节的产前3D彩色多普勒超声图像及产后脐带图片。图a为孕31周超声发现脐带打结;图b示孕38周剖宫产分娩后见脐带打结
图4 脐带真结节合并部分脐带华通胶水肿、脐带囊肿的产前3D彩色多普勒超声图像及产后脐带图片。图a为孕37周超声示脐带打结;图b示孕38周剖宫产分娩后见脐带打结合并部分脐带华通胶水肿、脐带囊肿
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