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Tur Fetuses were evaluated in posnatal period with transfontanelar ultrasound, echocardiography, and bladder-kidney ultrasound. The dilatation of the artery occurs to reduce the resistance in this umbilicsl, and to preserve a sufficient feto-placental blood flow. Ultrasound Obstet Gynecol, 13pp. Arteria umbilical unica Ultrasonido Pinterest Umbilical cord hemato-ma following diagnostic funipuncture. Perinatal outcome following fetal single umbilical artery diagnosis. Cytogenetic abnormalities among perinatal deaths demonstrating a single umbilical artery.
The single umbilical artery in a high-risk patient population: Ultrasound Obstet Gynecol ; 6: Risks of funipuncture in fetuses with single umbilical arteries. Prenat Diagn, 10pp. 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.
This is similar to published data. The incidence of SUA in live born was 0. Prenat Diagn, 20pp. Single umbilical artery and its siding in the second trimester of pregnancy: Prognostic role of umbilical artery Doppler velocimetry in growth-restricted fetuses.
Single umbilical artery; right or left? A SUA is likely due to secondary atresia or atrophy rather than primary agenesis of the artery. Como citar este artigo. Bladder-kidney ultrasound revealed ujbilical horseshoe kidney in one case recognized in prenatal period and unilateral renal agenesis de novo not recognised in prenatal period.
Ultrasound Obstet and Gynecol ; The left umbilical artery is absent more often than the right. 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.
Sonographic scorig index for prenatal detection of chromosomal abnormalities. Se continuar a navegar, consideramos que aceita o seu uso. There was a problem providing the content you requested Prenat Diagn ; In other cases, the umbilical cord insertion at the abdominal wall or the umbilical arteries, as they traverse either side of the fetal bladder, was viewed with colour power angiography. Virtually any organ system can be involved with an anomaly in fetuses with a single umbilical artery, however, genitourinary, cardiac and central nervous system abnormalities are umbilicsl most common.
Accuracy and significance of prenatal diagnosis of single umbilical artery. Prenat Diagn, 17pp. Ultrasound Obstet Gynecol, 3pp. Pediatrics, 52pp. Presse Med, 29pp. Abel Salazar Porto nascerecrescer chporto. Antenatal detection of mosaic trisomy 9 by ultrasound: 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.
In some cases, a free loop of the umbilical cord was viewed in cross-section and the vessels were counted. Antenatal diagnosis of single umbilical artery: The aim of this study was to assess the incidence of SUA in a selected population.
Prenat Diagn, 21pp. Antenatal diagnosis of umbilical artery: Early second-trimester individualized estimation of trisomy 18 risk by ultrasound. Two cases and review of the literature. Related Articles.
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