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Download Citation on ResearchGate | On Jan 1, , Cíntia Sabino and others published Artéria umbilical única – Relato de caso }. AUU – Arteria Umbilical Unica – Español. 21 likes · 3 talking about this. Personal Blog. AUU – Arteria Umbilical Unica – Español updated their cover photo.

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Pediatr Dev Pathol, 1pp. The use of color Doppler imaging for prenatal diagnosis of umbilical cord anomalies: Prenatal diagnosis of single umbilical artery: Sonography is often able to accurately diagnose this condition, especially with the use of colour Doppler flow imaging.

Lancet,pp.

Deteção pré-natal de artéria umbilical única: qual o seu significado?

Antenatal diagnosis of umbilical artery: Aplasia of one umbilical artery: J Diag Med Sono ; Prenat Diagn, 20pp. The implications for pregnancy management when there is SUA only has been a matter of continuos controversy in the field of prenatal diagnosis, and yet the definitive answer on their clinical significance in low risk population is still debated. Although the absence of one umbilical artery was first reported a century ago by Hyrtl 10the significance of a SUA has only been realized since a retrospective study by Benirschke and Brown 11 showed it was associated with increased incidence of congenital anomalies.

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Ductus venosus blodd flow velocity characteristics of fetuses with single umbilical artery. Volumetric umbilical artery blood flow: The remaining single artery is often umbilica large approaching the size of the umbilical vein.

A case report and review of the literature. A SUA is likely due to secondary atresia or atrophy rather than primary agenesis of the artery. Malformations and chromosome anomalies in spontaneously aborted fetuses with single umbilical artery.

The detection rate, despite having an acceptable value, should be improved. An increased risk of intrauterine growth retardation and the Doppler findings are controversial in artreia literature.

The maternal umbilixal pregnancy characteristics of live borne cases with SUA are shown in Table 1. Obstet Gynecol, 90pp. With this study we pretend to determine the association between diagnosis of SUA and perinatal outcome malformations, prematurity, low birth weight, intrauterine growth retardation, delivery type as well as to determine the clinical significance of antenatal detection of a single umbilical artery. The left unkca artery is absent more often than the right.

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Curr Opin Obstet Gy-necol, 13pp. Vascular abnormalities of the umbilical cord: Organ asymmetries as correlates of other anomalies.

And secondly, to examine the clinical significance of this soft marker. The value of minor ultrasound markers for fetal aneuploidy. J Gynecol Obstet Arteriia Re-prod, 18pp. When identified at a routine antenatal scan, the presence of a SUA should alert the sonographer and clinician of the fact that the fetus requires a more detailed examination to exclude other anomalies.

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Umbilical vein to artery ratio in fetuses with single umbilical artery. In light of the poorer perinatal outcome in fetuses with an apparently isolated single umbilical artery, further ultrasound scans in the third trimester to examine growth and continuous fetal-heart-rate monitoring during labour should be offered. A variety of methods, previously described ,25were employed by different sonographers to detect the presence of a single umbilical artery.

The data were analysed in SPSS Since the presence of a SUA with an associated anomaly carries an aneuploidy risk 5,26karyotyping should be advised if another anomaly is detected.

Association of umbilical venous with inferior vena cava blood flow velocities. Prenatal diagnosis of the two-vessel cord: Cytogenetic abnormalities among perinatal deaths demonstrating a single umbilical artery. Ultrasound Obstet Gynecol ;