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Antenatal diagnosis of umbilical artery: The presence of SUA in antenatal period should alert the sonographer and clinician for the need of a detailed examination of the fetus to exclude other anomalies. Pregnancies with a single umbilical artery should be carefully monitored for evidence of fetal growth retardation.
Incidence of SUA in live born was 0. Reports of association between SUA and other anomalies have created an imperative to identify or exclude the presence of such anomalies and detailed sonography is advised for all fetuses with SUA. Chromosomal abnormalities associated with a single umbilical artery.
Pregnancies with associated structural anomalies should be offered invasive prenatal diagnostic procedures. Accuracy and significance of prenatal diagnosis of single umbilical artery. The presence of a single umbilical artery SUA is associated with congenital fetal malformations and genetic anomalies.
Parents should be advised of the increased risks associated with the presence of a SUA and the need for extra surveillance, and it may also be advisable to counsel parents of the possibility of an associated abnormality that may only be detectable after delivery.
Prenat Diagn, 14pp. Volumetric umbilical artery blood flow: Ultrasound Obstet Gynecol ; 6: Systematic review with metaanalysis.
Prenat Diagn, 20pp. The data were analysed in SPSS Curr Urol Rep, 4pp. J Clin Ultrasound, 25pp.
Arteria umbilical unica | Ultrasonido | Pinterest
A clue to umbilical cord complication. Prenat Diagn, 18pp. Associated malformations and chromosomal abnormalities. The dilatation of the artery occurs to reduce the resistance in this vessel, and to preserve a sufficient feto-placental blood flow. Si continua navegando, consideramos que umbillcal su uso. A vascular anomaly of the umbilical cord; the absence of one umbilical artery in the unicq cords of normal and abnormal fetuses.
If other anomalies are detected, then the case should be managed according to the type and severity of the abnormalities.
Umbilical artery Doppler velocimetry in fetuses with a single umbilical artery. Pediatr Dev Pathol, 1pp. Prenatal diagnosis of the two-vessel cord: 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 unicx. The dilatation of the artery occurs to reduce the resistance in this vessel, and to preserve a sufficient feto-placental blood flow. Br J Obstet Gynecol, 99pp.
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It was a delivery at 31 weeks and the newborn presented unilateral renal agenesis. The use of color Doppler imaging for prenatal diagnosis of umbilical cord anomalies: Ecocardiography and transfontanelar ultrasound in postnatal period did not revealed alterations. 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. Any advice should be tailored to the particular pregnancy, taking into account other factors such as imbilical, but we would not strongly recommend karyotyping in umbilicla with other authors.
J Arteeia Med, 28pp. Prenat Diagn ; Clinical significance of the umbilical cord twist. Fetal growth and the risk of preterm labor are also to consider in the surveillance of these pregnancies.
Deteção pré-natal de artéria umbilical única: qual o seu significado?
Perinatal outcome following fetal single umbilical artery diagnosis. Presence of pulsations and reproducibility of waveforms recording in the umbilical and left portal vein in normal pregnancies. In live born with SUA and associated malformations A comparison between umbilical arteries adjacent to the bladder and cross-sections of the umbilical cord.
Chromosomal abnormalities associated with a single umbilical artery. Ultrasound Obstet Gynecol, 15pp.
Fetuses were evaluated in posnatal period with transfontanelar ultrasound, echocardiography, and bladder-kidney ultrasound. Single umbilical artery stenosis associated with intrauterine nuica death post-transfusion. Obstet Gynecol, 95pp.
Isolated single umbilical artery anomaly and the risk for congenital malformations: Vascular diameter and resistance indices in normal fetuses with a single umbilical artery. Ultraschall Med, 19pp. J Reprod Med, 44pp.