Single Umbilical Artery

04/01/2001 - "This was a study of the volumetric blood flow in single umbilical artery (SUA) cords as compared to three-vessel cords. "
10/01/2015 - "In this retrospective cohort study, 219 consecutive women carrying a fetus with an isolated single umbilical artery diagnosed during routine second-trimester anatomic survey were compared with 219 women carrying a fetus with a three-vessel cord. "
01/01/2015 - "To evaluate peak systolic velocity (PSV) in the umbilical artery (UA) among patients with single umbilical artery (SUA) as compared with patients with three vessel cords. "
12/01/2013 - "To assess the frequency and accuracy of prenatal diagnosis of a single umbilical artery (SUA) and to compare the fetal and neonatal outcome of isolated SUA to that of a normal three-vessel umbilical cord in a population from the Middle East and Gulf region. "
03/01/2013 - "In 8 cases, the vessel was a single umbilical artery. "

06/01/2014 - "Single umbilical artery (SUA) and preauricular tags were the most frequent mAs; the former was associated with 10 MDs, the latter only with microtia. "
04/01/1992 - "In a case of double survival of monoamniotic twins, one had left microtia and a single umbilical artery."
01/01/2011 - "The sonographic study depicted fetal scoliosis due to the presence of hemivertebrae, Sprengel's deformity of the left shoulder, ribs fusion, asymmetric ears with unilateral microtia, mandible unilateral hypoplasia as well as single umbilical artery and a 'golf ball' sign in the left ventricle of the heart. "
05/01/2014 - "Other uncommon features were also identified: microtia of the left ear with atresia of the external auditory canal; radial defect with aplasia of left radius and thumb; findings suggestive of a congenital heart defect and esophageal atresia; hypoplastic lungs and adrenals; thoracolumbar scoliosis; atrophic right kidney; and single umbilical artery. "
10/01/2012 - "We present a case of a 9-month-old Hispanic female with Kabuki syndrome with some infrequent manifestations including a single umbilical artery, butterfly vertebrae, a small larynx, a preauricular pit, microtia with internal ear abnormalities, abnormal calcium metabolism, premature thelarche, neonatal/persistent hypoglycemia and eventration of the diaphragm. "

09/01/1990 - "A single umbilical artery was noted in two of nine fetuses (22.2%) with trisomy 18 and in two of six fetuses (33.3%) with trisomy 13. "
09/01/2009 - "This article provides a comprehensive review of the prenatal sonographic features of trisomy 13, including the major structural abnormalities observed during the first trimester (omphalocele, holoprosencephaly, megacystis and congenital heart defects), the frequencies of second- and third-trimester sonographic features reported in previous studies, and the subtle sonographic findings observed during the second trimester (echogenic intracardiac foci, echogenic bowel, single umbilical artery, choroid plexus cysts and intrauterine growth restriction)."

07/01/2004 - "In addition to increased nuchal translucency, important sonographic markers for chromosomal abnormalities, include fetal growth restriction, tachycardia, abnormal flow in the ductus venosus, megacystis, exomphalos and single umbilical artery. "
09/01/2009 - "This article provides a comprehensive review of the prenatal sonographic features of trisomy 13, including the major structural abnormalities observed during the first trimester (omphalocele, holoprosencephaly, megacystis and congenital heart defects), the frequencies of second- and third-trimester sonographic features reported in previous studies, and the subtle sonographic findings observed during the second trimester (echogenic intracardiac foci, echogenic bowel, single umbilical artery, choroid plexus cysts and intrauterine growth restriction)."

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. "

01/01/2009 - "These findings were associated with unilateral renal agenesis and a single umbilical artery. "
11/01/1982 - "The following anomalies were present: Potter's syndrome, absence of external genitalia and internal genital ducts, presence of two male gonads, renal agenesis, lack of bladder and ureteral ducts, single umbilical artery. "
12/01/2015 - "Initial 2D-US showed that there were 10 cases of oligohydramnios, bilateral renal agenesis, bladder agenesis, single umbilical artery, fusion of the lower limbs and spinal abnormalities; 8 cases of dipus or monopus; 2 cases of apus; and 8 cases of cardiac abnormalities. "
01/01/2014 - "Twin A was noted to have the following anomalies: a single umbilical artery, limb anomaly (right hand preaxial polydactyly), vertebral anomalies (T9 and T11 butterfly vertebras, bilateral renal agenesis, bladder agenesis, anal and urethral atresia. "
12/01/2013 - "Level II ultrasound showed a single umbilical artery, scoliosis, a right club hand, radial aplasia, and renal agenesis. "

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. "

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). "

04/01/2015 - "AFP MoMs were found significantly elevated in isolated single umbilical artery group in second trimester quadruple tests. "
08/01/1994 - "Antenatally, the first case was complicated by an unexplained raised maternal serum alpha-fetoprotein concentration, preterm premature rupture of the membranes, and growth retardation detectable at 21 weeks' gestation, whilst the other had an unexplained raised maternal serum human chorionic gonadotrophin level, a two-vessel cord on ultrasound, and cessation of growth at 25 weeks. "
11/01/1995 - "One had bilateral choroid plexus cyst, intrauterine growth retardation, low levels of maternal serum alpha-fetoprotein and free beta-human chorionic gonadotropin, and the other had cleft lip and palate, single umbilical artery and intrauterine growth retardation. "

01/01/2008 - "The current pregnancy was terminated after the diagnosis, and post mortem examination of the fetus revealed pre-maxilla agenesis, anophthalmia, cerebral ventricular dilatation, adrenal hypoplasia and single umbilical artery. "
02/01/1986 - "In case of other anomalies, the findings in the prenatal diagnosis and at autopsy were encephalocele, adrenal hypoplasia and a single umbilical artery. "
09/05/1997 - "Microcephaly with agenesis of corticospinal tracts and arthrogryposis, hypospadias, single umbilical artery, hypertelorism, and renal and adrenal hypoplasia--previously undescribed syndrome."

07/01/2012 - "  Growth restriction was induced in sheep fetuses using single umbilical artery ligation (SUAL) on days 105-110 of gestation (term 147). "
12/01/1968 - "Effects of single umbilical artery ligation in the lamb fetus."
06/15/2014 - "IUGR was induced in sheep fetuses using single umbilical artery ligation on day 105-110 of pregnancy (term 147). "
01/01/2012 - "IUGR was induced at 0.7 gestation in fetal sheep by single umbilical artery ligation. "
01/01/2011 - "To explore this further, hypoxia was induced in one fetus in twin-bearing pregnant sheep (n=9) by performing single umbilical artery ligation (SUAL) at 110 days gestation. "

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). "

08/01/2012 - "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. "

01/01/2015 - "Based on the initial diagnoses, including uremic stage of chronic renal failure, stage-3 hypertension, single pregnancy of 32nd gestational week, single umbilical artery and polyhydramnios, a drug therapy consisting of compound amino acid, fructosediphosphate sodium, 10% L-carnitine, erythropoietin, polyferose, amlodipine, isosorbidedinitrate, low-molecular weight-heparin, multivitamins and folic acid was given, and daily examination of the mother and fetus was performed. "

11/01/1985 - "Under nembutal anesthesia, the placenta of 60-65-d-old pregnant guinea pigs was surgically exposed, a single umbilical artery and the umbilical vein were cannulated, and the fetus was removed. "