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Br J Obstet Gynaecol,pp. Risks of funipuncture in fetuses with single umbilical arteries.

Se continuar a navegar, consideramos que aceita o seu uso. Four of the 30 live born with SUA were born below tenth percentile, contrastating well with the proportion of live born in global sample 3.

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. Pulsatile umbilical venous flow and its clinical significance. 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.

Clinical significance of the umbilical cord twist. Radiographics, 15pp.

The association of single umbilical artery with cytogenetically abnormal pregnancies. Malformations and chromosome anomalies in spontaneously aborted fetuses with single umbilical artery. Characteristics of blood flow in intrauterine growth-restricted fetuses with hypercoiled cord. J Ultrasound Med, 20pp.


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An increased risk of intrauterine growth retardation and the Doppler findings are controversial in the literature. It was a delivery at 31 weeks and the newborn presented unilateral renal agenesis. The arterka data set suggests a lower incidence and frequency of associated anomalies, as many of the most severely affected infants have aborted or been voluntarily terminated early in pregnancy.

Ultraschall Med, 19pp. A clue to umbilical cord complication.

Arteria umbilical unica | Ultrasonido | Pinterest

A comparison between umbilical arteries adjacent to the bladder and cross-sections of the arreria cord. The prognosis of SUA fetuses is good when there is no concurrent anatomic or chromosomal abnormality.

A vascular anomaly of the umbilical cord; the absence of one umbilical artery in the umbilical cords of normal and abnormal fetuses. Venous Dop-pler in the fetus with absent end-diastolic flow in the umbilical artery. Persutte WH, Hobbins J. Prenatal sonographic diagnosis and clinical significance. Prenat Diagn, 14pp. Umbilical vein to artery ratio in fetuses with single umbilical artery. 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.

J Ultrasound Med, 11pp. Ultrasound Obstet Gynecol ; 8: Single umbilical artery stenosis associated with intrauterine fetal death post-transfusion.


Prenat Diagn, 18pp. If other anomalies are detected, then the case should be managed according to the type and severity of the abnormalities. Obstet Gynecol, 77pp. The value of minor ultrasound markers for fetal aneuploidy. Two cases and review of the literature. A variety of methods, previously described ,25were employed by different sonographers to detect the presence of a single umbilical artery. Benirschke K, Bourne GL. Br J Obstet Gynecol, 99pp.

The umbilical cord twist: Prospective ranking of the sonographic markers for aneuploidy: Prenat Diagn, 22pp. Although this has not been true at all centers, a study by Abuhamad et al 26 found complex congenital and chromosomal abnormalities exclusively when the left umbilical artery was absent. J Pediatr Surg ; Antenatal diagnosis of single umbilical artery: Prenatal detection of concurrent anomalies. Report of 40 cases. Doppler velocimetry in the fetus with a single umbilical artery.

These findings were similar to previous reports of an increased risk of prematurity as well as birth weight below the tenth percentile in live born with single umbilical artery. Venous Doppler ultrasonography in the fetus with non-immune hydrops.