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Bilateral Absence of the Superior Vena Cava

机译:上腔静脉双侧缺失

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Bilateral absence of the superior vena cava (SVC) is a very rarely detected, mainly asymptomatic congenital vascular anomaly. Though usually innocent, this anomaly may complicate cardiothoracic surgery and certain procedures like central venous catheter insertion. This SVC anomaly is poorly known, and we assume that its incidence in the general population may be higher than detected. In this paper, we summarize current knowledge on this anomaly and its clinical implications. In addition, we present a neonatal case with bilateral absence of the SVC associated with a fetal cystic hygroma.Conclusion. Totally absent SVC can cause unexpected problems during cardiothoracic surgery. Suspicion of SVC absence should arise in basic echocardiography. Our paper suggests that, like other congenital anomalies, bilateral absent SVC may be associated with a fetal cyctic hygroma.
机译:双侧上腔静脉(SVC)的缺失非常罕见,主要是无症状的先天性血管异常。尽管通常是无辜的,但这种异常可能会使心胸外科手术和某些操作(例如中心静脉导管插入)复杂化。这种SVC异常知之甚少,我们假设其在一般人群中的发生率可能高于检测到的异常率。在本文中,我们总结了有关该异常及其临床意义的最新知识。此外,我们介绍了新生儿病例,双侧缺乏SVC与胎儿囊性湿疹相关。完全不存在SVC可能会在心胸外科手术中引起意想不到的问题。在基本的超声心动图检查中应怀疑没有SVC。我们的论文表明,与其他先天性异常一样,双侧SVC缺失可能与胎儿囊肿性湿疹相关。

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