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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In live born with SUA and associated malformations Ultrasonic study of the single umbilical artery syndrome. The presence of malformations was identified in four cases of live born with SUA In our study, we found that arteris SUA was present in 0. Prenatal sonographic diagnosis and clinical significance.

Antenatal diagnosis of single umbilical artery: The methodology used was not recorded by the sonographer at the time of the examination.

Radiographics, 15pp. The single umbilical artery in a high-risk patient population: Como citar este artigo. Prenatal sonographic diagnosis of single umbilical artery.

Fused umbilical arteries near placental cord insertion. Volumetric umbilical artery blood flow: Umbilical vein to artery ratio in fetuses with single umbilical artery.

An increased risk of intrauterine growth retardation and the Doppler findings are controversial in the literature. A comparison between umbilical arteries adjacent to the bladder and cross-sections of the umbilical cord.

Am J Obs-tet Gynecol,pp. Of these three live born, two presented associated malformations and in one case the malformation recognized antenatally was not confirmed in postnatal period. Prenatal diagnosis of monosomy 10q25 associated with single umbilical artery and sex reversal: Transverse umbilical arterial diameter: Congenital malformation, prenatal diagnosis, single umbilical artery, ultrasonography. Of the total cases with SUA detected antenatally, 12 had suspicious malformations associated.


Vascular abnormalities of the umbilical cord: In light jnica the poorer perinatal outcome in fetuses with an apparently isolated single umbilical artery, further ultrasound scans in the third trimester arterua examine growth and continuous fetal-heart-rate monitoring during labour should be offered.

Arteria umbilical unica | Ultrasonido | Pinterest

The incidence and prognostic implication of congenital absence of one umbilical artery. The presence of a single umbilical artery SUA is associated with congenital fetal malformations and genetic anomalies. The dilatation of the artery occurs to reduce the resistance in this vessel, and to preserve a sufficient feto-placental blood flow.

Pregnancies with associated structural anomalies should be offered invasive prenatal diagnostic procedures. Presence inica pulsations and reproducibility of waveforms recording in the umbilical and left portal vein in normal pregnancies.

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

The clinical significance of a single umbilical artery as an isolated finding on prenatal ultrasound. Obstet Gynecol, 77pp. A SUA in the second trimester of pregnancy has a high association with Trisomy 18, 13, 21 and other chromosomal defects, but all chromosomally abnormal fetuses had associated malformations detected by ultrasound 5.

Risk factors for cordocentesis and fetal intravascular transfusion.

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Ultrasound Obstet Uniica, 5pp. Fetuses with a SUA and abnormal Doppler veloci-metry have a significantly increased risk of growth retardation, complex malformations or an abnormal karyotype than those with a SUA but normal Doppler studies.

Pathology of the human placenta. J Ultrasound Med ; Prenatal sonographic diagnosis of Beck-with-Wiedemann syndrome in association with a single umbilical artery. You can change the settings or obtain more information by clicking here.


In fact, this is the best place to evaluate these vessels as they may fuse at the region of the umbilical cord insertion into the placenta. Sonographic scorig index for prenatal detection of chromosomal abnormalities. 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.

Frequency and nature of structural anomalies in fetuses with single umbilical arteries.

Prognostic role of umbilical artery Doppler velocimetry in aarteria fetuses. If other anomalies are detected, then the case should be managed according to the type and severity umbilifal the abnormalities. BMJ,pp. The remaining single artery is often quite large approaching the size of the umbilical vein.

J Ultrasound Med, 7pp. J Pediatr Surg ; Univa some cases, a free loop of the umbilical cord was viewed in cross-section and the vessels were counted. Vascular diameter and resistance indices in normal fetuses with a single umbilical artery. The etiopathogenesis, although, not definitively clarified, has been attributed to primary agenesis of umbilical cord, secondary atrophy or atresia of a previously normal umbilical artery or persistence of the original allantoic artery of the body stalk.

Venous Doppler ultrasonography in the fetus with non-immune hydrops.