Abstract：
:With experience, and with the use of a 30-degree forward-oblique viewing telescope, sampling from one of the vessels of the umbilical cord produced at least 0.5 ml of pure fetal blood in 97% of the cases between 14 and 24 weeks' gestation; by aspiration through a short-tipped, 27-gauge, specially constructed needle, adequate samples were ensured. The technique used overcomes the problems previously encountered with sampling from an anteriorly situated placenta, and offers considerable potential for investigating intrauterine physiologic and pharmacologic features, as well as providing excellent specimens for diagnostic purposes. With this method, the calculated optimum time for fetoscopy and sampling of fetal blood is 16 to 18 weeks' gestation.
journal_name
Am J Obstet Gynecoljournal_title
American journal of obstetrics and gynecologyauthors
MacKenzie IZ,Maclean DAdoi
10.1016/s0002-9378(16)32794-6subject
Has Abstractpub_date
1980-12-15 00:00:00pages
1214-8issue
8eissn
0002-9378issn
1097-6868pii
S0002-9378(16)32794-6journal_volume
138pub_type
杂志文章abstract：:During a 20 month period, 110 women with gonococcal pelvic inflammatory disease an 165 women with uncomplicated gonorrhea were provided intensive case-finding services (interviewing of patients and tracing of contacts). Approximately three contacts per case were investigated, and 24.3% of the 859 male contacts were in...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(80)91116-3
更新日期：1980-12-01 00:00:00
abstract：OBJECTIVE:The purposes of this study were to assess the risk of malignant cell dissemination into the peritoneal cavity through the fallopian tubes in patients with endometrial carcinoma undergoing sonohysterography and to evaluate the accuracy of sonohysterography in the estimation of myometrial invasion by the tumor ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2005.08.036
更新日期：2006-02-01 00:00:00
abstract：OBJECTIVE:Our intention was to determine whether there is a unique pattern of infertility diagnoses in older infertile couples. STUDY DESIGN:The design of this study was a retrospective chart review study. It was performed in a tertiary referral reproductive medicine unit. There were 2 groups of patients-couples: grou...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(99)70331-5
更新日期：1999-10-01 00:00:00
abstract：:Preeclampsia is defined as hypertension arising after 20 weeks of gestational age with proteinuria or other signs of end-organ damage and is an important cause of maternal and perinatal morbidity and mortality, particularly when of early onset. Although a significant amount of research has been dedicated in identifyin...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,评审
doi：10.1016/j.ajog.2020.08.045
更新日期：2020-08-21 00:00:00
abstract：OBJECTIVE:This study evaluated the role of nitric oxide in the maintenance of uterine quiescence in nonpregnant and pregnant ewes. STUDY DESIGN:Sixteen ovariectomized nonpregnant and 10 pregnant (115 days' gestation) chronically instrumented ewes were studied. Uterine contractility was assessed by electromyography and...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1067/mob.2000.105428
更新日期：2000-07-01 00:00:00
abstract：OBJECTIVE:Prior studies have demonstrated that cocaine binds to human placental microvillous membrane vesicles at a single high-affinity site and that both 10 and 500 nmol/L cocaine inhibit sodium-dependent alanine uptake. The purpose of this study was to characterize cocaine binding to human placental basal plasma mem...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(94)90287-9
更新日期：1994-08-01 00:00:00
abstract：OBJECTIVE:Our purpose was to learn whether cytokines such as interleukin-1 beta and related (or antagonistic) cytokines, hormones, and growth factors could regulate secretion of the vasorelaxant parathyroid hormone-related protein in human umbilical vein endothelial cells in culture. STUDY DESIGN:Secondary cultures of...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(95)90265-1
更新日期：1995-08-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to determine stillbirth risk factors and gestational age at delivery in a prospective developing country birth cohort. STUDY DESIGN:At 20-26 weeks of gestation, 1369 Pakistani women were prospectively enrolled in the study; the gestational age was determined by ultrasound evalua...
journal_title：American journal of obstetrics and gynecology
pub_type： 临床试验,杂志文章
doi：10.1016/j.ajog.2007.07.012
更新日期：2007-09-01 00:00:00
abstract：:In an effort to develop guidelines for the management of acute genital injuries in prepubertal girls, we categorized 32 cases by the object that allegedly caused the injury: straddle injuries, nonpenetrating injuries, penetrating injuries, and torque injuries. Using these categories and the anatomic features of symmet...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(92)91620-p
更新日期：1992-05-01 00:00:00
abstract：:The relationship between low birth weight, intrauterine growth retardation, and preterm delivery in infants born at a perinatal center is described. Between 20% and 30% of infants born weighing 500 to 2000 gm and nearly 50% of infants born weighing 2001 to 2750 gm had intrauterine growth retardation. For infants withi...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(85)90543-5
更新日期：1985-08-15 00:00:00
abstract：:Ten patients with preeclampsia were monitored with a Swan-Ganz thermodilution catheter before the start of treatment. Reference data were obtained by right-heart catheterization in four normal pregnant women. In the preeclamptic group the effects of volume expansion and vasodilatation were studied. All patients showed...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(84)90357-0
更新日期：1984-10-01 00:00:00
abstract：:Placentas from karyotypically abnormal fetuses (18 to 23 weeks' gestation) were analyzed prospectively at the light microscopic level. Group I consisted of 14 control placentas. Group II consisted of 14 placentas from fetuses with an abnormal karyotype. Secondary and tertiary stem villi counts, small muscular artery c...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(90)90704-b
更新日期：1990-10-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to determine whether thickness, fiber count, and density of urethral circular smooth muscle (CSM) differ in young and old women. STUDY DESIGN:Mid urethral hemiaxial sections from female cadavers aged 20-39 years (n = 12) and 70-89 years (n = 16) were stained for smooth muscle al...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2008.03.009
更新日期：2008-05-01 00:00:00
abstract：:There is growing evidence that the high prevalence of low-birth-weight (LBW) babies, a characteristic of many poor societies, can be significantly reduced through nutritional intervention programs. In order to increase the efficiency of these programs, pregnant women at risk of delivering LBW babies must be identified...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(76)90886-3
更新日期：1976-05-01 00:00:00
abstract：:The purpose of this study was to determine the effect of labor and chorioamnionitis in interleukin-1 production by human placenta. We studied the activity of the placenta to produce interleukin-1 with an enzyme immunoassay by culturing tissue blocks. The placental tissue obtained after labor produced a larger amount o...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(91)90241-i
更新日期：1991-07-01 00:00:00
abstract：OBJECTIVE:Our purpose was to evaluate the hemodynamic effects of oral nifedipine in preeclamptic hypertensive emergencies. STUDY DESIGN:A prospective observational study of the hemodynamic effects of oral nifedipine was conducted with severely preeclamptic patients receiving magnesium sulfate infusion during a hyperte...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(96)70143-6
更新日期：1996-08-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to analyze the correlation between the genetic constitution and the phenotype in triploid pregnancies. STUDY DESIGN:One hundred fifty-eight triploid pregnancies were identified in hospitals in Western Denmark from April 1986 to April 2010. Clinical data and karyotypes were colle...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2014.03.039
更新日期：2014-10-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to investigate the potential efficacy of high-intensity focused ultrasound for the treatment of uterine fibroid tumors in a nude mouse model. STUDY DESIGN:A total of 60 female athymic nude mice were inoculated subcutaneously with 3 to 5 x 10(6) ELT-3 cells, a uterine fibroid tum...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1067/mob.2000.105347
更新日期：2000-07-01 00:00:00
abstract：BACKGROUND:Only 64% of obstetrics and gynecology program directors report routine, scheduled training in abortion, despite the Accreditation Council for Graduate Medical Education's requirements for routine training. Most report that exposure to training is limited to specific clinical circumstances. OBJECTIVE:We soug...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2019.04.026
更新日期：2019-08-01 00:00:00
abstract：OBJECTIVE:The objective of this study was to determine whether the cytokines tumor necrosis factor-alpha, interleukin-1 alpha, and interleukin-1 beta were produced in the amniotic fluid of the rabbit after intracervical inoculation with Escherichia coli. STUDY DESIGN:Timed pregnant rabbits on day 21 (70% of gestation)...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(92)91745-v
更新日期：1992-12-01 00:00:00
abstract：BACKGROUND:Antecedents of chronic pelvic pain are not well characterized, but pelvic organ visceral sensitivity is a hallmark of these disorders. Recent studies have identified that some dysmenorrhea sufferers are much more likely to exhibit comorbid bladder hypersensitivity. Presumably, these otherwise healthy women m...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2019.12.010
更新日期：2020-06-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to determine the feasibility of infrared spectroscopy as an alternative method for the prediction of fetal lung development. STUDY DESIGN:Samples of amniotic fluid were obtained by amniocentesis from 134 patients between the 26th and 41st week of pregnancy. To acquire infrared s...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(98)80006-9
更新日期：1998-02-01 00:00:00
abstract：:We examined the effect of sustained hypoxemia with progressive acidemia on pituitary-adrenal endocrine function (adrenocorticotropic hormone, cortisol) and on adrenal blood flow in fetal sheep. Hypoxemia was induced by the maternal sheep breathing a gas mixture containing 9% oxygen, with 3% carbon dioxide added. Induc...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(86)90169-9
更新日期：1986-12-01 00:00:00
abstract：OBJECTIVE:The fetal inflammatory response syndrome is a multisystem disorder associated with impending preterm delivery and adverse neonatal outcome. Inflammation of the umbilical cord--funisitis--is the histologic counterpart of fetal inflammatory response syndrome and has been associated with an increased risk for th...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1067/mob.2001.117679
更新日期：2001-11-01 00:00:00
abstract：:To determine the microbiologic etiology of acute salpingitis, laparoscopy was used in 26 patients to obtain specimens for a variety of microorganisms directly from the fallopian tube. Simultaneous culdocentesis was performed to obtain peritoneal fluid for microbiologic analysis. A variety of microorganisms were isolat...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(79)90798-1
更新日期：1979-05-01 00:00:00
abstract：:Immunoglobulins G, M, and A were found in varying concentrations in four different human fetal anatomic compartments of 17 fetuses in the absence of apparent infection. The highest levels were noted in the thoracic cavity. ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(88)80146-7
更新日期：1988-10-01 00:00:00
abstract：:An electronic system for the detection of uterine contractions by impedance measurement was evaluated in 30 subjects during the first stage of labor. The advantage of the system was patient comfort and ease of application of the recording electrodes. Simultaneous recordings of uterine contraction activity with convent...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(77)90586-5
更新日期：1977-10-15 00:00:00
abstract：:The present investigation was designed to reassess the fractional postcoital test (PCT). Specifically, the study addressed the question of whether the internal cervical mucus sperm count is significantly different from the sperm counts at other cervical levels. By means of standardized methodology, 25 normal postcoita...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(79)90056-5
更新日期：1979-02-15 00:00:00
abstract：:Retirement of obstetrician-gynecologists is becoming a matter of increasing concern in light of an expected shortage of practicing physicians. Determining a retirement age is often complex. We address what constitutes a usual retirement age range from general clinical practice for an obstetrician-gynecologist, compare...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2015.03.027
更新日期：2015-09-01 00:00:00
abstract：:The relationship between intermittent partial occlusion of the umbilical circulation and fetal acid base status, brain function, and neuropathologic outcome was assessed in nine control and nine experimental singleton fetal lambs to determine if transient episodes of partial cord occlusion play a role in antenatal bra...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(88)80118-2
更新日期：1988-08-01 00:00:00
