Abstract：
:Among a large series of high-risk patients who had direct electronic monitoring, 330 fetuses presented "variable" decelerations and 598 had no decelerations. Among those with variable decelerations, there were 18 who presented such associated fetal heart rate (FHR) alterations as tachycardia, fixed baseline, and slow recovery ("hypoxic components"). The fetal outcome, as well as the characteristics of FHR patterns, were compared among the three groups. Baseline changes were significantly higher among pure variable decelerations and still higher among those having variable decelerations with hypoxic components. Likewise, one- and five-minute Apgar scores were significantly lower in that order. Only 4 per cent with no decelerations had clinical fetal distress while 23 per cent with variable decelerations and 78 per cent of those with variable and hypoxic components had distress. Neonatal death was higher among groups with variable decelerations. Premature rupture of membranes seemed to be the only clearly different (and probably influencing) clinical condition, being higher among the group with variable decelerations. Variable decelerations ("cord patterns") are associated with a relatively high rate of depressed infants. This problem is much worse when elements characteristic of hypoxia are identified in FHR tracings. The degree of drop in FHR frequency is not among those elements so identified. It is thus possible to prevent significant fetal deterioration by meticulous analysis of FHR tracings and active management when "late" components are identified on variable decelerations.
journal_name
Am J Obstet Gynecoljournal_title
American journal of obstetrics and gynecologyauthors
Cibils LAdoi
10.1016/s0002-9378(78)80014-3subject
Has Abstractpub_date
1978-12-01 00:00:00pages
791-805issue
7eissn
0002-9378issn
1097-6868pii
S0002-9378(78)80014-3journal_volume
132pub_type
杂志文章abstract：:The potential role of the hypoxanthine-xanthine oxidase system in human chorionic gonadotropin-induced ovulation, nuclear maturation, and preimplantation development was investigated in the rabbit by use of the xanthine oxidase inhibitor allopurinol. Allopurinol (50 mg/kg) or vehicle was injected, followed by human ch...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(89)90955-1
更新日期：1989-12-01 00:00:00
abstract：:The recent birth of octuplets unleashed a firestorm of publicity, casting a harsh light on the mother and her presumed inadequacies as a parent. It also raised questions about the role of reproductive endocrinologists. Herein we consider 3 aspects of this question: should reproductive endocrinologists consider the eco...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2009.04.053
更新日期：2009-07-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to provide evidenced-based guidance for surgical decisions during cesarean delivery. STUDY DESIGN:We performed MEDLINE, PubMed, EMBASE, and COCHRANE searches with the terms cesarean section, cesarean delivery, cesarean, pregnancy, randomized trials, and each technical aspect of ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,评审
doi：10.1016/j.ajog.2005.03.063
更新日期：2005-11-01 00:00:00
abstract：:A retrospective analysis was made of Rh-sensitized patients delivered of their babies at Duke University Medical Center during a 24 year period. Records of 202 obstetric patients representing 280 sensitized pregnancies from a pool of 39,910 deliveries were analyzed for past obstetric history, blood group information, ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(81)90083-1
更新日期：1981-08-15 00:00:00
abstract：OBJECTIVE:The purpose of this study was to estimate US rates of postpartum intrauterine device (IUD) insertion and postpartum tubal sterilization. STUDY DESIGN:Data from the 2001-2008 Nationwide Inpatient Sample were used to identify delivery hospitalizations with IUD insertion or tubal sterilization procedure codes. ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2011.08.004
更新日期：2012-02-01 00:00:00
abstract：:Current concepts of the pathogenesis of preeclampsia involve the generalized dysfunction of maternal vascular endothelial cells. We measured the endothelial isoform of fibronectin as a marker of endothelial cell injury throughout pregnancy in a prospective, case-control study. Nineteen women met strict criteria for th...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(91)90435-t
更新日期：1991-10-01 00:00:00
abstract：:A total of 258 patients with candidal vulvovaginitis, all of whom also exhibited Candida organisms in the rectum, were treated for 1 week with vaginal tablets only (nystatin or clotrimazole) or with both vaginal and oral tablets (nystatin). Mycologic and symptomatic responses were superior for the group receiving comb...
journal_title：American journal of obstetrics and gynecology
pub_type： 临床试验,杂志文章
doi：10.1016/0002-9378(86)90297-8
更新日期：1986-09-01 00:00:00
abstract：:Endocervical Chlamydia trachomatis infection was found in 13 of 162 volunteer female university students (8%). Infection was correlated with younger age (p less than 0.05), less than or equal to 4 years of intercourse (p less than 0.05), a history of gonorrhea (p less than 0.01), and exposure to a partner with urethri...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(85)80105-8
更新日期：1985-10-01 00:00:00
abstract：OBJECTIVE:We tested the hypothesis that the proliferative estrogen effect on the endometrium is enhanced in obese vs lean animals. STUDY DESIGN:Using Zucker fa/fa obese rats and lean control, we examined endometrial cell proliferation and the expression patterns of certain estrogen-regulated proproliferative and antip...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2008.08.064
更新日期：2009-02-01 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：BACKGROUND:The process of childbirth is one of the most crucial events in the future health and development of the offspring. The vulnerability of parturients and fetuses during the delivery process led to the development of intrapartum monitoring methods and to the emergence of alternative methods of delivery. However...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2020.05.025
更新日期：2020-09-01 00:00:00
abstract：OBJECTIVE:This study was undertaken to determine whether buccal misoprostol improves cervical preparation achieved with laminaria before second-trimester dilation and evacuation procedures. STUDY DESIGN:A randomized, double blind, placebo-controlled trial of preoperative cervical preparation with overnight laminaria a...
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.2005.08.016
更新日期：2006-02-01 00:00:00
abstract：OBJECTIVE:The purpose of this study was to evaluate the effects of recombinant human relaxin on the uterine artery and myometrial contractility in pregnant rats. STUDY DESIGN:Uterine artery and myometrial rings from mid and term pregnant rats were used. Relaxin effect was studied on phenylephrine-induced contraction i...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1067/mob.2003.454
更新日期：2003-06-01 00:00:00
abstract：:Human ovarian tissue and bovine ovarian stroma and follicles bound tritiated oxytocin and tritiated arginine vasopressin with similar affinity, whereas bovine corpora lutea bound tritiated oxytocin only. Competition for the binding of tritiated oxytocin by various agonists and antagonists was suggestive of receptor fu...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(90)90781-2
更新日期：1990-12-01 00:00:00
abstract：OBJECTIVE:This study was to evaluate the predictive value of the uterine cervix tissue with the use of quantitative ultrasound gray level analysis for preterm delivery. STUDY DESIGN:Sixty-eight patients with preterm labor between 20 and 35 weeks of gestation were included. When two-dimensional transvaginal ultrasound ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1067/s0002-9378(03)00488-5
更新日期：2003-08-01 00:00:00
abstract：OBJECTIVE:Our purpose was to study whether cardiovascular changes in pregnancy-induced hypertension are associated with the increase in sympathetic control of hemodynamics and change in sympathovagal balance. STUDY DESIGN:Fourteen women with pregnancy-induced hypertension and 16 women with uncomplicated pregnancies of...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(97)70041-3
更新日期：1997-11-01 00:00:00
abstract：OBJECTIVE:This study examines the role of fluorescence in situ hybridization on uncultured amniocytes for prenatal diagnosis in a population at high risk for aneuploidies. STUDY DESIGN:All patients undergoing amniocentesis for fetal structural abnormality on ultrasonographic examination (performed from 13 to 39 weeks)...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(97)70600-8
更新日期：1997-04-01 00:00:00
abstract：OBJECTIVE:To compare maternal and neonatal outcomes between planned cesarean delivery and induction of labor in women with class III obesity (body mass index ≥40 kg/m(2)). STUDY DESIGN:In this retrospective cohort study, we identified all women with a body mass index ≥40 kg/m(2) who delivered a singleton at our instit...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2014.06.045
更新日期：2014-12-01 00:00:00
abstract：OBJECTIVE:Our goal was to achieve a good pregnancy rate after in vitro fertilization; more than one embryo, if available, is transferred to the uterine cavity. This is a recognition of the low implantation rates of embryos from in vitro fertilization. A consequence of this can be high-order multiple implantation with o...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(97)70197-2
更新日期：1997-08-01 00:00:00
abstract：OBJECTIVE:Intrapartum fetal heart rate (FHR) recordings in twins were compared for fetal signal loss during both stages of labor to assess the quality of these recordings by the method that had been used: external ultrasound or directly via a scalp electrode. STUDY DESIGN:Analysis of recordings collected between Janua...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2004.04.037
更新日期：2004-12-01 00:00:00
abstract：:The aim of this multiinstitutional study was to evaluate a new cervical indwelling catheter in 84 patients with premature rupture of the membranes at less than 33 weeks' gestation. The average time of insertion of the catheter was 29.1 weeks' gestation, at an average of 2.0 days after rupture, and was left in place fo...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(88)80080-2
更新日期：1988-08-01 00:00:00
abstract：OBJECTIVES:The purpose of this study was to provide a morphometric profile of endometrial granulated lymphocytes and to investigate qualitative and quantitative differences in leukocyte subsets in precisely timed luteal phase endometrial biopsies. STUDY DESIGN:Endometrial biopsies were obtained from 24 normal fertile ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(11)91568-3
更新日期：1992-09-01 00:00:00
abstract：:Although anovulation associated with hyperprolactinemia is not an uncommon cause of infertility, the precise mechanism of the pathogenic process that induces hyperactivity (hypertrophy with hyperplasia) of pituitary lactotropes is unknown. We have recently experienced a case of anovulation and hyperprolactinemia in a ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(87)80160-6
更新日期：1987-08-01 00:00:00
abstract：:Cord blood and maternal sera were studied in a series of 227 cases of prematurely ruptured membranes (PRM) with respect to: (1) fetal immunoglobulin (lg) synthesis associated with PRM, (2) the interrelationship between different lg classes during infection, and (3) the relationship between lg values and the duration o...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(79)90948-7
更新日期：1979-08-01 00:00:00
abstract：:We conducted this metaanalysis to summarize the available epidemiologic evidence on the relationship between maternal overweight and obesity and the risk of stillbirth. We identified studies from 3 sources: (1) a PubMed search of relevant articles that were published between January 1980 and September 2005, (2) refere...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章,meta分析,评审
doi：10.1016/j.ajog.2007.03.027
更新日期：2007-09-01 00:00:00
abstract：:Since previous data suggested hyperresponsiveness to human menopausal gonadotropin by women with low body weight, the daily dose was reduced to 1.5 ampules in patients undergoing in vitro fertilization weighing less than 55 kg. This allowed the extension of treatment to a minimum of 6 days. These changes were associat...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(88)90778-8
更新日期：1988-01-01 00:00:00
abstract：OBJECTIVE:We tested the hypothesis that oxytocin (OT) contracts blood vessels via vasopressin V1A (VP) receptors, and that this depends on pregnancy. STUDY DESIGN:Concentration-contraction relationships (CCR) to OT and VP (10(-12)-10(-6) mol/L) were obtained in different blood vessels. CCR were obtained in uterine art...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2005.05.006
更新日期：2006-01-01 00:00:00
abstract：:Diagnostic procedures in gynecologic urology are no longer limited to the medical history, physical examination, and Marshall test. Newer diagnostic procedures include urethroscopy, urodynamics with cystometry, urethral closure pressure profiles, uroflowmetry, electromyography of the pelvic floor musculature, and radi...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0002-9378(80)91119-9
更新日期：1980-06-15 00:00:00
abstract：OBJECTIVE:The purpose of our study was to examine the neuronal outcome after a standardized period of umbilical cord occlusion. STUDY DESIGN:The umbilical cord was clamped for 10 minutes in nine experimental and four control chronically instrumented fetal sheep. Three days later the animals were killed for histologic ...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0002-9378(11)91728-1
更新日期：1992-11-01 00:00:00
abstract：BACKGROUND:Chlamydia trachomatis infection is highly prevalent among young women in the United States. Prevention of long-term sequelae of infection, including tubal factor infertility, is a primary goal of chlamydia screening and treatment activities. However, the population-attributable fraction of tubal factor infer...
journal_title：American journal of obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/j.ajog.2017.05.026
更新日期：2017-09-01 00:00:00
