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1-18 of 18
Keywords: Umbilical artery
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Journal Articles
Gynecol Obstet Invest (1984) 17 (6): 301–308.
Published Online: 16 March 2010
...H. Kohno; N. Furuhashi; T. Fukaya; Y. Tachibana; O. Shinkawa; M. Suzuki We measured maternal venous (MV), umbilical arterial (UA), and umbilical venous (UV) cortisol levels of 180 pregnancies at term. The cortisol level of MV was higher than that of UA and UV in all deliveries. The cortisol levels...
Journal Articles
Gynecol Obstet Invest (1985) 19 (4): 192–195.
Published Online: 15 March 2010
... level as in the maternal venous blood and in the control group. It is concluded that the fetus produces AVP and this is at least not solely caused by fetal asphyxia or related to parturition. Vasopressin Amniotic fluid Umbilical artery Umbilical vein Maternal vein 7 12 1984 22 02...
Journal Articles
Gynecol Obstet Invest (1986) 22 (1): 1–6.
Published Online: 15 March 2010
...Kristian Bjøro; Sverre Stray-Pedersen Effects of serotonin, prostaglandin E 2 , prostaglandin F 2 Α , U 46619 (a thromboxane A 2 mimetic) and angiotensin I and II on the perfusion pressure were studied on vessel segments from human umbilical arteries, placental arteries and the umbilical vein...
Journal Articles
Luiz Claudio França, Sergio Pereira da Cunha, Roberto Salles Meirelles, Cleusa Cascaes Dias, Ali Yassin
Gynecol Obstet Invest (1992) 33 (4): 213–215.
Published Online: 15 March 2010
...Luiz Claudio França; Sergio Pereira da Cunha; Roberto Salles Meirelles; Cleusa Cascaes Dias; Ali Yassin To determine the possible effects of Α-methyldopa on the motility of human umbilical artery, a total of 53 arterial segments were perfused with different concentrations of the drug as follows: 38...
Journal Articles
Umbilical Artery Doppler Waveform in Pregnancies with Uncomplicated Intra-Uterine Growth Retardation
Gynecol Obstet Invest (1988) 26 (3): 206–210.
Published Online: 02 March 2010
...N.G. Haddad; F.D. Johnstone; P.R. Hoskins; S.E. Chambers; B.B. Muir; W.N. McDicken Seventy-four pregnancies with uncomplicated intra-uterine growth retardation were assessed at the time of diagnosis by Doppler ultrasound umbilical artery flow velocity waveform. The results were not disclosed...
Journal Articles
Gynecol Obstet Invest (1989) 27 (4): 188–192.
Published Online: 02 March 2010
...Marcos Felipe Silva de Sá; Roberto Salles Meirelles The effect of estriol on the reactivity of the human umbilical artery to mechanical stimulation was studied using an in vitro perfusion method. The mechanical stimuli were produced by force applied to the outer surface of the vessel through...
Journal Articles
Gynecol Obstet Invest (1991) 32 (3): 167–172.
Published Online: 02 March 2010
...%) with complicated pregnancies (intrauterine growth retardation, diabetes, hypertension) were investigated. The results had only marginal influence on obstetrical management. In 38 fetuses absence of end-diastolic blood flow velocities (AEDF) was detected in the descending fetal aorta and/or umbilical arteries. Mean...
Journal Articles
Gynecol Obstet Invest (1990) 30 (4): 212–216.
Published Online: 02 March 2010
...C.J. Ruissen; M.M.H.P.v. Drongelen; H.J. Hoogland; W. Jager; A.P.G. Hoeks In 30 uncomplicated singleton pregnancies, varying in duration between 24 and 40 weeks, the variability of the flow velocity waveform (FVW) along the course of the umbilical artery was investigated. Blood flow velocities were...
Journal Articles
Gynecol Obstet Invest (1991) 31 (4): 208–212.
Published Online: 02 March 2010
...G. Haugen; K. Bjøro; S. Stray-Pedersen The effect of serotonin, PGE 2 and PGF 2Α on the vascular tension in human umbilical arteries has been investigated during in vitro perfusions. All autacoids induced dose-dependent biphasic pressure responses when added to the perfusate. When added...
Journal Articles
M.F. Silva de Sá, M.F. Silva de Sá, T.M.O. Maranhão, T.M.O. Maranhão, N. Iasigi, N. Iasigi, R.M.B. Maciel, R.M.B. Maciel, R.S. Meirelles, R.S. Meirelles
Gynecol Obstet Invest (1988) 25 (4): 223–229.
Published Online: 02 March 2010
... placental expulsion and compared to the values in maternal peripheral blood and in umbilical artery and umbilical vein of 21 clinically normal parturients and their conceptuses. T 4 levels in maternal peripheral blood did not differ significantly from T 4 levels in the IVS, but were significantly higher...
Journal Articles
Gynecol Obstet Invest (1993) 35 (1): 1–6.
Published Online: 01 March 2010
... in fetal mean arterial pressure considerably depends on the degree of change in vascular resistance in the fetal carcass. Femoral artery Umbilical artery Pulsatility index Doppler waveforms Fetal hypoxemia Fetal blood pressure 2 04 1992 24 04 1992 1 3 2010 © 1993 S. Karger...
Journal Articles
Gynecol Obstet Invest (1995) 39 (1): 8–10.
Published Online: 01 March 2010
...G. Haugen; S. Stray-Pedersen; K. Bjøro The influence of phenazone on the production of prostacyclin and thromboxane in human umbilical arteries was investigated by in vitro perfusion. With perfusate concentrations ranging from 10 ––7 to 10 ––4 M a decrease in the formation of both prostanoids...
Journal Articles
Gynecol Obstet Invest (1996) 42 (3): 159–162.
Published Online: 26 February 2010
...Guttorm Haugen; Sverre Stray-Pedersen; Kristian Bjøro The influence of angiotensin II on the formation of prostacyclin and thromboxane in preterm human umbilical arteries was investigated during in vitro perfusion. Bolus doses of 1, 10 and 100 ng led to a definite increase in the production...
Journal Articles
Gynecol Obstet Invest (2008) 66 (2): 98–103.
Published Online: 28 April 2008
...Guttorm Haugen Background: Serotonin (5-hydroxytryptamine) is a potent vasoactive substance in human umbilical arteries (HUA). Aim: To investigate the vasodilatory response pattern of serotonin in HUA from pregnancies complicated by preterm deliveries as compared to uncomplicated term pregnancies...
Journal Articles
Gynecol Obstet Invest (2001) 52 (2): 75–81.
Published Online: 28 September 2001
...Guttorm Haugen; Ingrid Helland The vasoactive effect of prostaglandin F 2α (PGF 2α ) was studied in in vitro perfused human umbilical arteries following maternal dietary supplementation with ω–3 fatty acids or in pregnancies complicated by a moderate degree of preeclampsia. In most preparations PGF...
Journal Articles
Giovanni Maria Fadda, Pier Luigi Cherchi, Donato D’Antona, Guido Ambrosini, Diego Marchesoni, Giampiero Capobianco, Salvatore Dessole
Gynecol Obstet Invest (2001) 51 (3): 173–177.
Published Online: 12 April 2001
...Giovanni Maria Fadda; Pier Luigi Cherchi; Donato D’Antona; Guido Ambrosini; Diego Marchesoni; Giampiero Capobianco; Salvatore Dessole Objective: In a group of diabetic pregnant women, the umbilical artery pulsatility index (PI) was compared with both pregnancy complications and perinatal outcomes...
Journal Articles
Gynecol Obstet Invest (2001) 51 (1): 22–27.
Published Online: 08 January 2001
...Guttorm Haugen; Halvor Rognerud The vasoactive effect of serotonin was investigated by in vitro perfusion in human umbilical arteries in which antenatal Doppler ultrasound examination revealed abnormal velocity waveforms. The results were compared to those obtained in preparations from normotensive...
Journal Articles
Toshiyuki Hata, Showa Aoki, Atsushi Manabe, Kenji Kanenishi, Chizu Yamashiro, Hirokazu Tanaka, Toshihiro Yanagihara
Gynecol Obstet Invest (2000) 49 (4): 236–239.
Published Online: 19 May 2000
... infant delivered after 37 weeks of gestation were studied. After 24 weeks of gestation, fetal middle cerebral artery puslatility index (MCAPI) and umbilical artery pulsatility index (UAPI) were measured at 2- to 3-week intervals using Doppler ultrasound. Perinatal outcomes [operative delivery due...