Abstract：
OBJECTIVES:The purpose of our study was to establish an in vitro tissue culture system to study eicosanoid metabolism in first-trimester trophoblastic tissue. Thromboxane A2, a potent vasoconstrictor, and prostacyclin, a potent vasodilator, were analyzed to evaluate their production in early pregnancy. STUDY DESIGN:Trophoblastic tissue was obtained via transabdominal chorionic villous sampling from 33 pregnancies at 9 to 12 weeks' gestation for cytogenetic diagnosis. Initially, tissue obtained from the cytogenetics lab was morphologically consistent with villous core cells. Through altering cell density and passage, the cells became morphologically consistent with cytotrophoblasts. The cell lines were exposed to arachidonic acid (50 mumol/L) and aspirin (1 to 100 mumol/L) for 24 hours. Thromboxane B2 and 6-keto prostaglandin F2 alpha were measured by radioimmunoassay. RESULTS:Villous core cells and cytotrophoblasts increased production of thromboxane A2 and prostacyclin in the presence of arachidonic acid (p < 0.002). The villous core cells produced more thromboxane A2 and prostacyclin than cytotrophoblasts (p < 0.02). A significant inhibition of both thromboxane A2 and prostacyclin production was seen in the presence of 100 mumol/L aspirin in both cell types (p < 0.05). CONCLUSIONS:This model may be useful for studying placental function in the first trimester because individual placental compartments can be evaluated in tissue culture. At the cellular level we were not able to detect a preferential decrease in thromboxane A2 production in the presence of aspirin (1 to 100 mumol/L).
journal_name
Am J Obstet Gynecoljournal_title
American journal of obstetrics and gynecologyauthors
Diss EM,Gabbe SG,Moore JW,Kniss DAdoi
10.1016/s0002-9378(12)80036-6subject
Has Abstractpub_date
1992-10-01 00:00:00pages
1046-52issue
4 Pt 1eissn
0002-9378issn
1097-6868pii
S0002-9378(12)80036-6journal_volume
167pub_type
杂志文章abstract：:Percutaneous nephrostomy is a useful method of supravesical diversion when ureteral obstruction occurs at initial diagnosis of gynecologic cancer or recurrence of disease. Although survival is prolonged, the attendant quality of life would indicate that percutaneous nephrostomy should be performed only in those cases ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(84)90120-0
更新日期：1984-08-01 00:00:00
abstract：:Three cases of persistent urinary incontinence from unrecognized small vesicovaginal fistula after abdominal hysterectomy for benign gynecologic disease are presented. Visualization of urine in the posterior fornix was suggestive; diagnosis was confirmed by methylene blue test and cystoscopy. Two patients had undergon...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(88)90129-9
更新日期：1988-02-01 00:00:00
abstract：OBJECTIVE:The objective of this study was to prospectively assess physical and biochemical cardiovascular risk markers in women who had developed preeclampsia (PE) at 1 year postpartum. STUDY DESIGN:Following an overnight fast, previously PE (n = 70) and normotensive women (n = 70) had weight and blood pressure record...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2008.06.035
更新日期：2009-01-01 00:00:00
abstract：:This case report describes the antenatal diagnosis of a fetal pulmonary anomaly. Early detection afforded detailed parental counseling and prompt neonatal diagnosis and treatment. ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(85)90433-8
更新日期：1985-01-01 00:00:00
abstract：:Between October, 1969, and April, 1981, gynecologic oncologists at the University of Alabama Medical Center in Birmingham have performed 119 pelvic exenterations. One hundred fifteen of these patients had a concurrent supravesical urinary diversion. Fifty-six patients (48.7%) had an anterior exenteration and 59 patien...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(16)32536-4
更新日期：1982-04-01 00:00:00
abstract：OBJECTIVE:The route of delivery in eclampsia is controversial. We hypothesized that adverse maternal and perinatal outcomes may not be improved by early cesarean delivery. STUDY DESIGN:This was a randomized controlled exploratory trial carried out in a rural teaching institution. In all, 200 eclampsia cases, carrying ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.ajog.2012.04.009
更新日期：2012-06-01 00:00:00
abstract：:Influenza virus infection complicating pregnancy remains a matter of concern because of the frequency of these infections and possible associated increased maternal and perinatal risks. Influenza A/Bangkok (H3N2) infection occurred in a gravid woman in association with fever, chills, and uterine tenderness and contrac...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(84)90604-5
更新日期：1984-08-15 00:00:00
abstract：:The possibility of controlling fertility by antibodies inactivating key reproductive hormones has been amply demonstrated by active and passive immunization in primates. Four birth control vaccines directed against human chorionic gonadotropin are currently in early clinical trials. The nature of these vaccines and th...
journal_title：American journal of obstetrics and gynecology
pub_type： 临床试验,杂志文章
doi：10.1016/s0002-9378(87)80135-7
更新日期：1987-10-01 00:00:00
abstract：OBJECTIVE:This study investigates the association of allelic variation in angiogenic pathway genes and preeclampsia. STUDY DESIGN:Data for cases with preeclampsia and term control subjects were collected prospectively. Maternal DNA was extracted, and 124 tagging single nucleotide polymorphisms in 6 genes (vascular end...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2010.01.040
更新日期：2010-05-01 00:00:00
abstract：:Amniotic fluid creatinine, percentage of lipid-positive cells, and L/S ratio were determined on 285 samples from normal pregnancies and 222 samples from abnormal pregnancy states (Rh isoimmunization, diabetes, hypertensive disorders, intrauterine growth retardation, and hydramnios). In normal pregnancy the coefficient...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(76)90777-8
更新日期：1976-07-01 00:00:00
abstract：OBJECTIVE:Our purpose was determine whether there are ethnic differences in vaginal colonization with organisms reputed to be associated with preterm delivery. STUDY DESIGN:In seven urban medical centers in the United States from 1984 to 1989, 13,747 predominantly low-socioeconomic-status women at 23 to 26 weeks' gest...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(96)70617-8
更新日期：1996-05-01 00:00:00
abstract：:A patient seen for infertility developed severe endometriosis within 2 years of neosalpingostomy for bilateral fallopian tube obstruction. A retrospective review of infertility surgeries revealed none of 20 patients with obstructed tubes to have endometriosis, compared with 66 of 125 (52.8%) with at least one patent f...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(94)70160-1
更新日期：1994-05-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to determine how closely the surgically induced sheep myelomeningocele (MMC) model resembles the central nervous system derangements seen in human disease, and identify which aspects of MMC are the result of the early neuronal developmental defect, and which are secondary to the ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2005.02.110
更新日期：2005-10-01 00:00:00
abstract：BACKGROUND:Congophilia indicates the presence of amyloid protein, which is an aggregate of misfolded proteins, that is implicated in the pathophysiologic condition of preeclampsia. Recently, urinary congophilia has been proposed as a test for the diagnosis and prediction of preeclampsia. OBJECTIVES:The purpose of this...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2016.04.041
更新日期：2016-10-01 00:00:00
abstract：OBJECTIVE:Human trophoblast proteolytic activity is believed to have implications for early implantation events and maintenance of chorionic structural integrity later in gestation. Abnormal release of chorion-derived extracellular matrix proteins such as fibronectin may identify patients at risk for preterm labor and ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(97)80012-9
更新日期：1997-01-01 00:00:00
abstract：:Reductions in publicly funded prenatal care programs in 1981 to 1984 resulted in an increase in unregistered patient deliveries from 7.8% to 14.9% of births at University of California San Diego Medical Center. To assess the economic and perinatal impact of the increasing number of deliveries of women without prenatal...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(86)90387-x
更新日期：1986-01-01 00:00:00
abstract：:Nonimmune hydrops fetalis can be caused by fetal chromosomal, hematologic, cardiac, or infectious conditions. A fetal blood sample obtained from percutaneous ultrasound-guided fetal blood sampling can offer vital information about the underlying cause of nonimmune hydrops fetalis, and perinatal management can be plann...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(87)80343-5
更新日期：1987-07-01 00:00:00
abstract：OBJECTIVE:We sought to assess the efficacy, complication rates, and outcomes for complex monochorionic pregnancies undergoing selective fetal reduction using radiofrequency ablation (RFA). STUDY DESIGN:In this prospective observational study, 100 consecutive cases of selective fetal reduction using RFA were analyzed. ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2013.12.009
更新日期：2014-05-01 00:00:00
abstract：:Several lines of evidence suggest a strong association between premenstrual syndrome and affective disorder. Similar psychological symptoms, behavioral manifestations, and biochemical etiologies have been reported. We attempted to evaluate the biologic interconnection between premenstrual syndrome and psychiatric diso...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(88)90590-x
更新日期：1988-12-01 00:00:00
abstract：:Pelvic floor disorders are common, with 1 in 4 US women reporting moderate to severe symptoms of urinary incontinence, pelvic organ prolapse, or fecal incontinence. Given the high societal burden of these disorders, identifying potentially modifiable risk factors is crucial. Physical activity is one such potentially m...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,评审
doi：10.1016/j.ajog.2015.08.067
更新日期：2016-02-01 00:00:00
abstract：:An isolated heart preparation was used to study the effects of terbutaline sulfate (Brethine) on fetal cardiac function. Pregnant guinea pigs received daily subcutaneous injections of terbutaline for 10 day, whereas a control group received placebo injections. Fetal guinea pig hearts were evaluated for cariodynamic an...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(89)90346-3
更新日期：1989-09-01 00:00:00
abstract：:The possibility of Rh immune globulin failure exists when a fetomaternal hemorrhage exceeds 25 to 30 ml of whole blood and only one 300 micrograms vial of Rh immune globulin is administered. In this prospective study of 1000 consecutive Rh-negative women who were delivered of Rh-positive newborn infants, the presence ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(86)90725-8
更新日期：1986-06-01 00:00:00
abstract：:Seventeen patients in whom uterine activity responded favorably to parenteral magnesium sulfate were given oral magnesium gluconate for continued tocolysis. The mean serum magnesium level before therapy was 1.44 +/- 0.22 mg/100 ml, whereas 2 hours after initiation of oral magnesium it was 2.16 +/- 0.32 mg/100 ml (p le...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(87)90299-7
更新日期：1987-02-01 00:00:00
abstract：:The increased hospital stay and direct costs of hospitalization as a result of postcesarean section endometritis were evaluated in a case-matched and controlled study (N = 20 in each group). Endometritis increased postcesarean section hospital stay by 3 days and increased hospital cost by $850. Fifteen to 20% of women...
journal_title：American journal of obstetrics and gynecology
pub_type： 临床试验,杂志文章
doi：
更新日期：1980-06-15 00:00:00
abstract：:One hundred fifty-eight intravenous saline solution infusions (3 mmol Na per kilogram body weight) were performed in (1) normal primigravid women during the second and third trimesters and post partum, after 1 week of either a high, low, or ad libitum salt intake; (2) normotensive primigravid women during midpregnancy...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(88)80071-1
更新日期：1988-08-01 00:00:00
abstract：:In spite of the relative safety and medical advantages of vaginal birth after cesarean section, the procedure continues to be underutilized in the private practice setting. To evaluate the hypothesis that resistance by the patient often precludes a trial of labor, an observational study was conducted of all women with...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(91)91422-s
更新日期：1991-06-01 00:00:00
abstract：:Systemic distribution of radioactive colloidal chromic phosphate P 32 after intraperitoneal instillation was studied in 10 patients with ovarian or endometrial malignancies. Seven patients without ascites received chromic phosphate P 32 for positive peritoneal washings, rupture of the capsule of the cyst during operat...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(84)80014-9
更新日期：1984-09-15 00:00:00
abstract：OBJECTIVE:The purpose of this study was to calculate the prospective risk of fetal death in monochorionic-diamniotic twins. STUDY DESIGN:We evaluated 193 monochorionic diamniotic twin pregnancies that were followed and delivered after 24 weeks. Surveillance included cardiotocography and sonography performed at least o...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2006.01.099
更新日期：2006-07-01 00:00:00
abstract：:The primary source of estrogen, ovarian 17 beta-estradiol, is normally converted to estrone and estriol, both of which are metabolized to their sulfate and glucuronide forms, as well as oxidated to nonestrogens. In postmenopausal women, the primary sources of estrogen are nonovarian, including the production of andros...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(87)90166-9
更新日期：1987-05-01 00:00:00
abstract：OBJECTIVE:The objective of this study was to test the hypothesis that fetuses destined to deliver preterm do not reach their individual growth potential. STUDY DESIGN:In a case control design, data on 44 preterm deliveries at < or =34 weeks were compared with data on a control group of next consecutive term deliveries...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1067/mob.2001.115865
更新日期：2001-08-01 00:00:00
