Single Umbilical Artery

04/01/1999 - "In vitro perfusion studies of single umbilical artery cords: the vasoactive effects of serotonin."
04/01/1999 - "To investigate the vascular resistance and the vasoactive effects of serotonin in arteries from single umbilical artery (SUA) cords. "

10/01/2020 - "Fetal sheep (0.7 gestation) underwent sterile surgery to induce growth restriction by single umbilical artery ligation (SUAL) or sham surgery (control, AG). "
01/01/2020 - "Surgery was performed on pregnant Border-Leicester Merino crossbred ewes at 105-110 days gestation (term ~150 days) to induce FGR by single umbilical artery ligation (SUAL) or sham surgery. "
01/01/2019 - "Preterm lambs (0.6 gestation) underwent sterile surgery for single umbilical artery ligation or sham (control, appropriately grown) surgery to replicate FGR. "
06/01/2012 - "We induced IUGR in sheep by single umbilical artery ligation (SUAL), or sham in control fetuses. "
03/01/1986 - "We report the ovine placental lactogen response to high-dose amino acid stimulation in four ewes with fetuses that underwent single umbilical artery ligation and six control ewes with fetuses that underwent sham operation. "

04/01/2009 - "For alcohol ablation, a 20-gauge needle guided with color Doppler USG was directed to abdominal insertion site of the single umbilical artery of the acardiac twin, and 1.0-2.0 mL of absolute alcohol was injected. "
12/01/2008 - "For alcohol ablation, a 20-gauge needle guided with color Doppler USG was directed to abdominal insertion site of the single umbilical artery of the acardiac twin, and 1.0-2.0 mL of absolute alcohol was injected. "
09/01/2004 - "Percutaneous injection of 1- 2 ml of absolute alcohol into the intra-abdominal segment of the single umbilical artery was performed in 8 acardiac twins. "
10/01/1995 - "Ablation of the acardiac twin at 23 weeks' gestation was achieved successfully by injecting 1 mL of absolute alcohol into the intra-abdominal portion of the single umbilical artery. "

03/01/2023 - "Persistent right umbilical vein (PRUV) and single umbilical artery (SUA) are developmental malformations of the vascular system. "
10/09/2020 - "If the PRUV fetus also has a single umbilical artery (SUA), does the risk of fetal anomaly increase further? "
05/01/2018 - "Identify structural anomalies and adverse pregnancy outcomes accompanying single umbilical artery (SUA) and persistent right umbilical vein (PRUV) and to investigate whether SUA and PRUV are associated with chromosomal abnormalities and if these defects warrant invasive antenatal diagnosis. "
01/01/2019 - "In two cases PRUV was accompanied by omphalocele, and in one case by tetralogy of Fallot and single umbilical artery. "

04/01/2015 - "Among first trimester screening test parameters, PAPP-A (pregnancy-associated plasma protein A) MoMs were found significantly higher in isolated single umbilical artery group. "
09/01/2011 - "The patient underwent amniocentesis because of abnormal results at the first-trimester genetic screening (low levels of pregnancy associated plasma protein A and hCG) and fetal echocardiogram because of single umbilical artery. "
12/01/2008 - "Statistically significant (p < 0.05) associations were found between inhibin A > or = 2 MoM with fetal multicystic dysplastic kidney (MCDK) (OR = 27.5, 95% CI: 2.8-267.7) and two-vessel cord (OR = 4.22, 95% CI:1.6-10.9); hCG of > or = 2 MoM with MCDK (OR = 19.56, 95% CI: 1.9-196.2) and hydrocele (OR = 2.48, 95% CI: 1.3-4.6); and PAPP-A > or = 2.0 MoM with hydrocele (OR = 1.88, 95% CI:1.1-3.3). "

01/01/1989 - "The most frequent placental abnormalities detailed in cases presenting major fetal malformations with normal karyotype were: velamentous insertion of the umbilical cord, placental hypotrophy, single umbilical artery, marginal retroplacental hematoma and generalized perivillous fibrin deposition. "
02/01/2014 - "Single umbilical artery was present in 7.7% of stillbirths and 1.7% of live births, velamentous cord insertion was present in 5% of stillbirths and 1.1% of live births, diffuse terminal villous immaturity was present in 10.3% of stillbirths and 2.3% of live births, inflammation (eg, acute chorioamnionitis of placental membranes) was present in 30.4% of stillbirths and 12% of live births, vascular degenerative changes in chorionic plate were present in 55.7% of stillbirths and 0.5% of live births, retroplacental hematoma was present in 23.8% of stillbirths and 4.2% of live births, intraparenchymal thrombi was present in 19.7% of stillbirths and 13.3% of live births, parenchymal infarction was present in 10.9% of stillbirths and 4.4% of live births, fibrin deposition was present in 9.2% of stillbirths and 1.5% of live births, fetal vascular thrombi was present in 23% of stillbirths and 7% of live births, avascular villi was present in 7.6% of stillbirths and 2.0% of live births, and hydrops was present in 6.4% of stillbirths and 1.0% of live births. "
01/01/2017 - "Ten of the 15 were also associated with fetal growth abnormalities (single umbilical artery; velamentous insertion; terminal villous immaturity; retroplacental hematoma; parenchymal infarction; intraparenchymal thrombus; avascular villi; placental edema; placental weight; ratio birth weight/placental weight) while 5 of the 15 associated with stillbirth were not associated with fetal growth abnormalities (acute chorioamnionitis of placental membranes; acute chorioamionitis of chorionic plate; chorionic plate vascular degenerative changes; perivillous, intervillous fibrin, fibrinoid deposition; fetal vascular thrombi in the chorionic plate). "

10/09/2023 - "In contrast to SNVs within FOXF1 and CNV deletions involving only the FOXF1 enhancer, larger-sized deletions involving FOXF1 and the adjacent, oppositely oriented lncRNA gene FENDRR have additionally been associated with hypoplastic left heart syndrome and single umbilical artery (SUA). "
06/01/2022 - "Here, we describe a fourth case of a de novo paternal CNV deletion encompassing FOXF1, its neighboring long non-coding RNA gene FENDRR, and their distant lung-specific enhancer, identified in a 21-week-old fetus with tetralogy of Fallot, gastrointestinal and genitourinary abnormalities, a single umbilical artery, and patchy histopathological findings of ACDMPV in autopsy lung. "

04/01/2015 - "Existence of single umbilical artery could alter the estimation of MoM values of maternal serum markers. "
07/01/2009 - "The soft markers which are not significant as an isolated finding in young patients but are significant in combination with the biochemical markers, or in older age are: intracardiac echogenic focus, choroid pLexus cyst, pyelectasis and single umbilical artery. "

03/01/1986 - "Ovine placental lactogen levels in the maternal circulation are significantly reduced after single umbilical artery ligation in pregnant sheep. "
01/01/1986 - "We investigated circulating maternal and fetal serum concentrations of ovine placental lactogen (oPL) following single umbilical artery ligation (SUAL) at 108 to 114 days' gestation. "
01/01/1986 - "Differential response of ovine placental lactogen levels in maternal and fetal circulations following single umbilical artery ligation in fetal sheep."
03/01/1986 - "After maternal infusion with 50 gm of arginine in 350 ml of distilled water, mean ovine placental lactogen levels in ewes with fetuses that underwent single umbilical artery ligation increased by 170%, while mean levels in control ewes increased by 294%. "
03/01/1986 - "Blunted response of maternal ovine placental lactogen levels to arginine stimulation after single umbilical artery ligation in pregnant sheep."

04/20/2023 - "The developed SGA nomogram, comprising 12 selected variables, including age, gravidity, parity, body mass index, gestational age, single umbilical artery, abdominal circumference, humerus length, abdominal anteroposterior trunk diameter, umbilical artery systolic/diastolic ratio, transverse trunk diameter, and fasting plasma glucose, was significantly associated with SGA. "
01/01/1975 - "Umbilical blood flow (UBF) and fetal glucose uptake were measured in 5 lamb fetuses 4-20 days following single umbilical artery ligation (SUAL). "
01/01/1975 - "Umbilical blood flow and glucose uptake in lamb fetus following single umbilical artery ligation."

01/01/2019 - "We induced FGR via single umbilical artery ligation (SUAL) at ~105 d GA in fetal sheep, term is ~147 d GA. "
01/01/2019 - "Twin-bearing ewes underwent surgery at 105 days gestation to induce FGR in one twin by single umbilical artery ligation. "
12/01/2018 - "FGR was induced by single umbilical artery ligation in fetal sheep at 88-day gestation (term, 150 days). "
10/01/2017 - "FGR was surgically induced in fetal sheep (0.7 gestation) by ligation of a single umbilical artery. "
02/01/2016 - "IUGR was surgically induced in preterm fetal sheep (0.7 gestation) by ligation of a single umbilical artery. "

01/01/2023 - "An emergency cesarean section was performed at 34+6 weeks gestation because of the single umbilical artery and abnormal maternal coagulation. "
02/01/2003 - "Compared to fetuses with normal cord vasculature, fetuses with a single umbilical artery were more likely to be delivered at an earlier gestation and to weigh less, were 1.7 times more likely to be delivered by a Caesarean section and 19% of the cases had a congenital anomaly. "
08/01/1997 - "Two cases with hydrocephalus and single umbilical artery were delivered by cesarean section at 34 and 38 weeks, but both died (on the first and fifth days after birth). "

08/01/1997 - "One hundred thirteen consecutive singleton fetuses with a single umbilical artery between 16 and 40 weeks' gestational age were studied prospectively at a tertiary referral center for prenatal diagnosis and therapy. "
01/01/2011 - "Anti-inflammatory therapy in an ovine model of fetal hypoxia induced by single umbilical artery ligation."

01/01/1998 - "craniosynostosis of the sagittal suture, a cardiac malformation, urogenital anomalies, intestinal malformations and a single umbilical artery. "

08/01/2012 - "A 32-year-old multigravid woman's prenatal care was complicated by fetal anomalies, including a two-vessel cord and right pelvic kidney diagnosed during second-trimester ultrasonography. "