Abstract：
OBJECTIVE:To determine the relationships among the pregnancy outcomes of growth-retarded fetuses, Doppler flow velocimetry of the fetomaternal circulation, and pathologic changes in the placenta. METHODS:Forty-seven fetuses confirmed to be growth-retarded by ultrasonographic biometry were monitored during pregnancy in terms of the resistance indexes of the maternal uterine, fetal umbilical, and fetal middle cerebral arteries. After delivery, the placentas were examined for pathologic changes such as infarction and villous ischemia. RESULTS:Compared with 23 fetuses with nonischemic placentas, 24 growth-retarded fetuses whose placentas showed ischemic lesions were more frequently delivered preterm (P < .001) and by cesarean for fetal distress (P < .01), and they also had lower mean pH, higher carbon dioxide pressure, and lower oxygen pressure values (P < .05). Compared with the fetal umbilical and middle cerebral artery resistance indexes, the uterine artery resistance index showed the highest sensitivity (91.7%), specificity (78.3%), and positive predictive value (81.5%) for detecting placental ischemic changes. Linear discriminative analysis also showed that the uterine artery resistance index had the strongest correlation (P < .00001) with the placental ischemic changes. CONCLUSION:Ischemia of the placenta is associated with an adverse pregnancy outcome in growth-retarded fetuses. The placental ischemic changes can be detected using Doppler flow velocimetry. Measurement of the uterine artery resistance index might be useful for determining the clinical management of growth-retarded fetuses.
journal_name
Obstet Gynecoljournal_title
Obstetrics and gynecologyauthors
Iwata M,Matsuzaki N,Shimizu I,Mitsuda N,Nakayama M,Suehara Nsubject
Has Abstractpub_date
1993-10-01 00:00:00pages
494-9issue
4 Pt 1eissn
0029-7844issn
1873-233Xjournal_volume
82pub_type
杂志文章abstract：OBJECTIVE:To determine how pregnant women of varying ages, races, ethnicities, and socioeconomic backgrounds value procedure-related miscarriage and Down-syndrome-affected birth. METHODS:We studied cross-sectionally 534 sociodemographically diverse pregnant women who sought care at obstetric clinics and practices thro...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0029-7844(00)00969-8
更新日期：2000-10-01 00:00:00
abstract：:Cervical smears taken by the wooden Ayre spatula (widely used in the United Kingdom) and by a plastic spatula (Armovical) were compared for their ability to detect dysplastic cervical epithelium and endocervical cells. At the same time, the value of taking duplicate smears was assessed. Paired cervical smears were obt...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1982-07-01 00:00:00
abstract：OBJECTIVE:To investigate the effect of second uterine curettage on the number of chemotherapy courses and relapse rate in low-risk postmolar gestational trophoblastic neoplasia. METHODS:In a phase III trial, patients with low risk gestational trophoblastic neoplasia were randomised (1:1) to a second curettage or no cu...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章,随机对照试验
doi：10.1097/AOG.0000000000003232
更新日期：2019-05-01 00:00:00
abstract：:Findings on ultrasound scanning of the cervix and lower uterine segment were compared with those on digital examination in patients in preterm labor or those in whom induction was planned. An ultrasound scoring system gave results that corresponded closely to those of the Bishop score. ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1986-11-01 00:00:00
abstract：:A 40-year-old woman presented to her gynecologist with an apparent unilateral neuropathy of the lateral cutaneous femoral nerve of the thigh (meralgia paresthetica). On examination, the sensory disturbance extended outside the usual distribution of the lateral femoral cutaneous nerve, suggesting a more proximal lumbar...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1979-02-01 00:00:00
abstract：OBJECTIVE:To estimate why the live birth rate per implanted embryo is higher in twin than in singleton pregnancies. METHODS:Data from 1,159 singleton and 523 dichorionic twin pregnancies, obtained after assisted conception, were included. To account for the higher live birth rate observed in twin pregnancies, two poss...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0b013e31823bf978
更新日期：2012-01-01 00:00:00
abstract：OBJECTIVE:To estimate whether higher magnesium levels in umbilical cord blood at delivery are associated with increased total pediatric (fetal + neonatal + postneonatal) mortality. METHODS:During the Magnesium and Neurologic Endpoints Trial, in addition to randomizing mothers having preterm labor into arms containing ...
journal_title：Obstetrics and gynecology
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/s0029-7844(01)01398-9
更新日期：2001-07-01 00:00:00
abstract：:The early detection of preterm labor and the prevention of preterm birth require special attention to early subtle signs and symptoms of preterm labor. The concept of "Braxton Hicks contractions" may negate these early signs and symptoms by falsely reassuring patients, thus encouraging them not to seek medical care pr...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1990-04-01 00:00:00
abstract：BACKGROUND:Inflammatory pseudotumor is a rare benign cause of lymphadenopathy previously reported in several anatomic locations that can simulate malignant neoplasm. CASE:A postmenopausal woman presented with abdominal pain, generalized malaise, leukocytosis, and intermittent fevers up to 102 degrees F. A 5-day course...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/01.AOG.0000201973.13715.ee
更新日期：2006-09-01 00:00:00
abstract：OBJECTIVE:Visual estimation of blood loss is often inaccurate and imprecise. Obstetric bleeding requires expedient identification and intervention to prevent maternal morbidity and mortality. We aimed to create a visual aid to improve accuracy of estimated obstetric blood loss. METHODS:We designed a pocket card contai...
journal_title：Obstetrics and gynecology
pub_type： 临床试验,杂志文章
doi：10.1097/AOG.0000000000000233
更新日期：2014-05-01 00:00:00
abstract：:The authors determined the prevalence of certain major congenital disorders among live-born infants of 6509 mothers in a prepaid health plan for the 30-month period of January 1, 1980 through June 30, 1982 who used a wide variety of drugs during the first trimester of pregnancy. The results were similar to those obtai...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1985-04-01 00:00:00
abstract：:Reported are 172 patients considered for external cephalic version at gestational age greater than 37 weeks. Their outcome was compared with 40 similar patients in whom external version was not attempted. One hundred fifty-eight patients had attempted version, and success was achieved in 122 (77%). Intrapartum vertex ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1986-01-01 00:00:00
abstract：:This study was undertaken to compare the outcome of pregnancy in patients treated for some type of infertility problem to that of a control group of patients from the same obstetric unit and also to the reported literature. Reported are the primary outcomes of 122 pregnancies in 104 patients treated for infertility an...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1977-02-01 00:00:00
abstract：OBJECTIVE:To describe obesity prevention and treatment practices of U.S. obstetrician-gynecologists. METHODS:A cross-sectional survey was mailed to 1,806 practicing members of the American College of Obstetricians and Gynecologists (ACOG) in February-April 2005. RESULTS:Of the 900 respondents who returned questionnai...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/01.AOG.0000233171.20484.db
更新日期：2006-10-01 00:00:00
abstract：OBJECTIVE:To compare risk of reintervention, long-term clinical outcomes, and health care utilization among women who have bulk symptoms from leiomyoma and who underwent the following procedures: hysterectomy, myomectomy, uterine artery embolization, and magnetic resonance-guided, focused ultrasound surgery. METHODS:T...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0000000000002331
更新日期：2017-11-01 00:00:00
abstract：:A case-control study was performed to study risk factors for postpartum hemorrhage. Cases of hemorrhage were defined by a hematocrit decrease of 10 points or more between admission and post-delivery or by the need for red-cell transfusion. Patients with antenatal bleeding were excluded. Among 9598 vaginal deliveries, ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1991-01-01 00:00:00
abstract：:The influence of weight gain during pregnancy on duration of gestation and infant size at birth was examined among women beginning pregnancy underweight and at normal weight. Results of the review of 654 prenatal and delivery records revealed that 1) Prepregnancy weight status was not associated with the amount of wei...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1981-01-01 00:00:00
abstract：:Among 59 laparoscopically staged endometriosis patients, 28.8% tested positive for antinuclear antibody. Of 44 patients, 45.5% were lupus anticoagulant positive (greater than 1.3) and 20.5% were within a borderline range (1.2-1.3). Antinuclear antibody positivity was inversely related to stage of disease (P = .009); l...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1987-07-01 00:00:00
abstract：OBJECTIVE:To evaluate fetal outcome and long-term impact of very early preterm premature rupture of membranes (PROM). METHODS:In a retrospective cohort study, 78 women with singleton pregnancies who delivered at the Oulu University Central Hospital between 1990 and 1996 and who had early PROM, between the 17th and 30t...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0029-7844(98)00213-0
更新日期：1998-09-01 00:00:00
abstract：OBJECTIVE:To identify facilitators of and barriers to pregnant women being vaccinated against seasonal influenza by identifying factors associated with influenza vaccination during pregnancy among women who had recently given birth to a live infant. METHODS:We analyzed pooled data from Georgia (n=2,692) and Rhode Isla...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0b013e3181f1039f
更新日期：2010-10-01 00:00:00
abstract：OBJECTIVE:To compare the effects of treatment with nicardipine and metoprolol in patients with hypertension during pregnancy. METHODS:One hundred pregnant patients with mild or moderate hypertension followed at the Centre Hospitalier Intercommunal de Créteil (France) were randomly allocated to treatment with either ni...
journal_title：Obstetrics and gynecology
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1994-09-01 00:00:00
abstract：BACKGROUND:Hepatocellular carcinoma associated with pregnancy is unusual. CASE:A 33-year-old woman presented at 25 weeks' gestation with sudden, severe epigastric pain for 6 hours. Abdominal ultrasonography and magnetic resonance imaging showed multiple liver tumors with a small amount of ascites. Exploratory laparoto...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章,评审
doi：10.1016/s0029-7844(01)01357-6
更新日期：2001-11-01 00:00:00
abstract：OBJECTIVE:To find out if hepatocyte growth factor (HGF) in amniotic fluid (HGF-AF) has a direct effect on fetal lung development, we investigated the effects of AF as well as recombinant human HGF (rhHGF) on proliferation, migration, and morphogenesis of fetal alveolar type II cells in vitro. METHODS:Amniotic fluid sa...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/s0029-7844(97)00083-5
更新日期：1997-05-01 00:00:00
abstract：:In order to ascertain the usefulness of urinary 17-ketosteroids (17-KS) in the evaluation of hirsutism, 28 paired determinations of 17-KS and serum androgens were performed in 26 hirsute women before (control) and after (post Dex) 7 days of dexamethasone (Dex) administration. Upper normal control and post Dex urinary ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1977-04-01 00:00:00
abstract：OBJECTIVE:to evaluate the advantages and pitfalls of the loop electrosurgical excision procedure as applied to the diagnosis and treatment of cervical cancer precursors. METHODS:Loop electrosurgical excision procedure using local anesthesia and colposcopic guidance was performed in an outpatient clinical setting in 11...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1016/0029-7844(95)00453-x
更新日期：1996-03-01 00:00:00
abstract：:One hundred eighteen nulliparous patients delivered under conduction anesthesia who met the standard criteria for low forceps delivery were randomly assigned to one of three groups to be delivered by low Tucker-McLane forceps, Silastic vacuum extraction system, or Mityvac vacuum extractor. Significant maternal soft ti...
journal_title：Obstetrics and gynecology
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1985-11-01 00:00:00
abstract：:This study was carried out to determine whether some of the lowest doses of natural estrogens currently prescribed for postmenopausal women result in significant changes in plasma lipids, urinary calcium, urinary free cortisol, or level of androgens. Twenty-four postmenopausal women were studied and the estrogens inge...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1983-07-01 00:00:00
abstract：OBJECTIVE:To describe recent syphilis trends among pregnant women and to evaluate the prevalence of reported high-risk behaviors in this population. METHODS:We analyzed U.S. national case report data for 2012-2016 to assess trends among pregnant women with all stages of syphilis. Risk behavior data collected through c...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：10.1097/AOG.0000000000003000
更新日期：2019-01-01 00:00:00
abstract：OBJECTIVE:To investigate the ability of fetal urinalysis to predict in utero the renal function of children with bilateral uropathy who survive to the second year of life. METHODS:This was a prospective cohort study of 100 consecutive patients with prenatal diagnosis of bilateral uropathy who underwent fetal urine sam...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1993-11-01 00:00:00
abstract：:Ultrasound scan showed some degree of placenta previa in 503 patients. Of this group, 5.6% (28) had clinically significant bleeding or documented placenta previa at delivery. A scoring system based on placental localization was not successful in predicting who was at high risk for bleeding. However, the likelihood of ...
journal_title：Obstetrics and gynecology
pub_type： 杂志文章
doi：
更新日期：1983-05-01 00:00:00
