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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Bovine aortic arch: Prevalence in human fetuses
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Bovine aortic arch: Prevalence in human fetuses

机译：牛主动脉弓：人类胎儿的患病率

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Abstract Objective “Bovine aortic arch” is the second most common variant of aortic arch branching, in which only two branches originate directly from the aorta. The prevalence of this condition has been reported in different studies to be around 6% in human fetuses and 11‐27% in the adult population. In this study, we describe the prevalence of bovine aortic arch in fetuses, and assess the prevalence of concomitant fetal anomalies. Methods A retrospective analysis of 417 fetuses between 15‐40?weeks of gestation. Data regarding branching of the fetal aortic arch and other fetal anomalies were collected by fetal echocardiography and/or fetal ultrasonography. Results A bovine arch was found in 20/413 fetuses (4.8%, 95CI 3.1‐7.3%), of whom 14/310 (4.5%) had no fetal anomalies, and 6/77 (7.8%) exhibited minor changes ( P =?.241). None of the 26 fetuses with major anomalies had a bovine arch. Conclusion Fetuses in this study had a lower prevalence of bovine aortic arch than that previously reported in adults, most probably due to differences in the population examined. This study was underpowered to determine that bovine arch is a common anatomic variant, and is not associated with fetal anomalies.
机译：摘要目的“牛主动脉弓”是主动脉弓分支的第二个最常见的变体，其中只有两个分支直接来自主动脉。这种病症的患病率在不同的研究中据报道，人类胎儿的6％左右，成年人群体11-27％。在这项研究中，我们描述了胎儿中牛主动脉弓的患病率，并评估了伴随胎儿异常的患病率。方法回顾性分析417胎的妊娠期之间的15-40周。通过胎儿超声心动图和/或胎儿超声检查收集关于胎儿主动脉弓和其他胎儿异常的分支的数据。结果牛拱在20/413胎儿（4.8％，95ci 3.1-7.3％）中发现，其中14/310（4.5％）没有胎儿异常，6/77（7.8％）表现出微小的变化（P = ？.241）。带有主要异常的26个胎儿都没有牛拱。结论本研究中的胎儿具有比以前在成人中报告的牛主动脉弓的患病率较低，大部分可能是由于所检查人口的差异。该研究有动力确定牛拱是一种常见的解剖变体，并且与胎儿异常无关。

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