前庭大血管:脐带血管穿过胎膜,从子宫底延伸到子宫内口。

Q1 Earth and Planetary Sciences Journal of Geophysical Research Pub Date : 2020-08-01 Epub Date: 2019-11-26 DOI:10.1080/01443615.2019.1665630
Satoshi Shinohara, Yasuhiko Okuda, Shuji Hirata
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引用次数: 0

摘要

一位30岁的初产妇在妊娠第18周超声检查时发现脐带膜状插入;胎盘位于底部。胎儿在子宫内的位置阻碍了脐带附着的检测,或随后在妊娠中期,这是诊断前置血管最合适的时期(Gagnon etal . 2009)。孕32周时,经阴道超声彩色多普勒显示,在子宫后壁距离宫颈内腔2厘米处,有多条血管穿过子宫膜,穿过子宫颈内腔(图1(A))和附着的脐带。在前置血管处发现胎儿心率高,这将前置血管与母体宫颈血管区分开来(图1(b))。因此,诊断为前置血管。我们让她住院并给她静脉注射利托卡因因为她有早产的危险。住院后磁共振成像(MRI)显示子宫后壁脐带血管平行于子宫底至宫颈内腔(图1(c-f))。未发现阴道出血或胎儿窘迫,胎儿生长正常。我们在33周时给予产前皮质类固醇。妊娠34周因子宫收缩择期剖宫产。产下男婴1例(体重2061 g;Apgar 1和5分钟评分分别为8分和9分),无脊髓血管损伤。胎盘和脐带的检查证实了我们的诊断。6条主要脐带血管起源于胎盘边缘周围;最长的一条超过40厘米。产后过程平淡无奇;母亲和婴儿分别于第5天和第26天出院。讨论
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Vasa praevia: cord vessels running through the foetal membranes from the uterine fundus to the internal os.
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来源期刊
Journal of Geophysical Research
Journal of Geophysical Research 地学-地球科学综合
CiteScore
5.80
自引率
0.00%
发文量
0
审稿时长
1 months
期刊介绍: Journal of Geophysical Research (JGR) publishes original scientific research on the physical, chemical, and biological processes that contribute to the understanding of the Earth, Sun, and solar system and all of their environments and components. JGR is currently organized into seven disciplinary sections (Atmospheres, Biogeosciences, Earth Surface, Oceans, Planets, Solid Earth, Space Physics). Sections may be added or combined in response to changes in the science.
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