Abstract:
:The effect upon fetal breathing movements (FBM) in 49 women with uncomplicated pregnancies who inhaled 5% carbon dioxide in air for 15 minutes was observed with an ADR real-time ultrasound scanner. A threefold increase in FBM occurred during the inhalation of CO2.
journal_name
Am J Obstet Gynecoljournal_title
American journal of obstetrics and gynecologyauthors
Ritchie JW,Lakhani Kdoi
10.1016/0002-9378(80)90867-4subject
Has Abstractpub_date
1980-02-01 00:00:00pages
386-8issue
3eissn
0002-9378issn
1097-6868pii
0002-9378(80)90867-4journal_volume
136pub_type
杂志文章abstract:OBJECTIVE:Our objective was to investigate the possible restoring action of magnesium on vascular sensitivity to angiotensin II in pregnancy. STUDY DESIGN:We studied intraplatelet free calcium and the pressor response to angiotensin II in 10 primigravid women (28 to 32 weeks' gestation) at risk for pregnancy induced h...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(12)80006-8
更新日期:1992-10-01 00:00:00
abstract::The known effect of progesterone on carbohydrate metabolism prompted a study of some of the hepatic "lipogenic" and "gluconeogenic" enzymes in rats treated with progesterone. Several enzymes providing lipid precursors (phosphofructokinase, malic enzyme, glucose-6-phosphate dehydrogenase, and citrate cleavage enzyme) s...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(77)90732-3
更新日期:1977-09-15 00:00:00
abstract:OBJECTIVE:Before the availability of modern imaging studies the diagnosis of septic pelvic thrombophlebitis causing prolonged puerperal fever was difficult to confirm without surgical exploration. With the use of computed tomography infection-related pelvic phlebitis can now be confirmed, and this study was designed to...
journal_title:American journal of obstetrics and gynecology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/s0002-9378(99)70450-3
更新日期:1999-07-01 00:00:00
abstract:OBJECTIVE:The purpose of this study was to summarize recent evidence regarding infection-associated preterm birth and to make appropriate recommendations. Antepartum treatment of lower genital tract infection or bacterial colonization has been found to reduce the incidence of preterm birth in the case of asymptomatic b...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/j.ajog.2004.03.014
更新日期:2004-06-01 00:00:00
abstract:OBJECTIVE:The objective of the study was to evaluate the efficacy and safety of global endometrial ablation in women with a history of cesarean delivery. STUDY DESIGN:We performed a historical cohort study of patients who underwent endometrial ablation for menorrhagia between 1998 and 2005. Outcome measures included a...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/j.ajog.2011.06.106
更新日期:2011-11-01 00:00:00
abstract:OBJECTIVE:This study compared myoendometrial versus placental radial uterine arteries from late-pregnant rats to evaluate differences in passive mechanical properties and arterial wall hyperplasia. STUDY DESIGN:Myoendometrial and placental radial uterine arteries were dissected from late-pregnant (day 17-19) Sprague-D...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/j.ajog.2004.06.094
更新日期:2005-01-01 00:00:00
abstract::Attempts were made to produce inferior vena cava (IVC) compression in 14 pregnant and 12 nonpregnant bitches. Ligation of the iliac veins, the IVC below the renal veins, or the left renal vein separately produced minimal hemodynamic disturbances. Only ligation of the two renal veins or of the IVC above the renal veins...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(78)90365-4
更新日期:1978-01-15 00:00:00
abstract::In many developing countries, services to prevent the mother-to-child transmission (PMTCT) of human immunodeficiency virus (HIV) operate with limited contact with HIV care and treatment programs, despite significant advances in the accessibility of both services. There is a need to deliver more complex multidrug PMTCT...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1016/j.ajog.2007.03.068
更新日期:2007-09-01 00:00:00
abstract::Thirty-one patients with clinical features of polycystic ovary syndrome (PCO) were studied to determine the correlation between biochemical and histologic findings. The biochemical features investigated were the effects of adrenocortical and ovarian suppression by dexamethasone and oral contraceptives (Ovulen) on plas...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(16)33087-3
更新日期:1979-06-15 00:00:00
abstract::A total of 125 women with severe preeclampsia that developed in the second trimester underwent follow-up for an average of 5.4 years. Seventeen women had no further pregnancies and 108 had 169 subsequent pregnancies: 59 (35%) were normotensive and 110 (65%) were complicated by preeclampsia (32% of these developing in ...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(91)90379-6
更新日期:1991-11-01 00:00:00
abstract:OBJECTIVES:Smoking is associated with a reduced risk of preeclampsia, but what is the outcome of pregnancy when preeclampsia develops in women who smoke? STUDY DESIGN:Single births in Sweden from 1987 through 1993 to nulliparous women aged 15 to 34 years (N = 317,652) were included. Poisson regression analyses were us...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(97)70455-1
更新日期:1997-07-01 00:00:00
abstract::Prospective pregnancy evaluation through the combined use of a radioimmunoassay (RIA) for the beta-subunit of human chorionic gonadotropin (beta-hCG) and ultrasound during the first 42 days of gestation after ovulation was performed on a population asymptomatic for first-trimester spontaneous abortion. One hundred for...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(83)90977-8
更新日期:1983-08-15 00:00:00
abstract::Prolactin production by decidualized human endometrium has been demonstrated in organ explant cultures and presumed to be of stromal origin by immunocytochemistry and the presence of simultaneous stromal histologic changes. To test the hypothesis that endometrial prolactin production is exclusively of stromal origin, ...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(90)91325-7
更新日期:1990-04-01 00:00:00
abstract:OBJECTIVE:This study was undertaken to examine the contribution of electronic fetal heart rate monitoring in the prediction and prevention of intrapartum fetal asphyxia in the preterm pregnancy. STUDY DESIGN:The outcome of 40 pregnancies with biochemically confirmed intrapartum fetal asphyxia (ie, an umbilical artery ...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1067/mob.2002.119642
更新日期:2002-02-01 00:00:00
abstract:OBJECTIVE:Intrauterine pressure catheter (IUPC) is the primary device used to evaluate uterine activity. In contrast to the IUPC, electrical uterine myography (EUM) enables noninvasive measurement of frequency, intensity, and tone of contractions. The aim of this study was to determine the accuracy of EUM compared to I...
journal_title:American journal of obstetrics and gynecology
pub_type: 临床试验,杂志文章
doi:10.1016/j.ajog.2011.12.015
更新日期:2012-05-01 00:00:00
abstract:OBJECTIVE:The primary aim of this study was to examine whether 1 week of continuous auricular acupuncture could reduce low back and posterior pelvic pain associated with pregnancy. STUDY DESIGN:A randomized controlled trial was conducted on pregnant women who have lower back and posterior pelvic pain. These women were...
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.2009.04.028
更新日期:2009-09-01 00:00:00
abstract:OBJECTIVE:Our purpose was to determine differential effects of natural and synthetic glucocorticoids on cytochrome 17alpha-hydroxylase and cytochrome P-450 side-chain cleavage messenger ribonucleic acid in the sheep placenta and to determine whether feed-forward effects during labor are involved in further inducing pla...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(99)70619-8
更新日期:1999-05-01 00:00:00
abstract::Skillful laser ablation can remove any volume of human papillomavirus-associated vulvar disease but cannot prevent reactivation of the surrounding latent viral reservoir during postoperative healing. Conversely, interferon and 5-fluorouracil are relatively ineffective as primary therapies in clearing bulky lesions. In...
journal_title:American journal of obstetrics and gynecology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/0002-9378(92)91339-c
更新日期:1992-03-01 00:00:00
abstract:OBJECTIVE:The purpose of this study was to determine if the success and safety of vaginal birth after cesarean delivery in a small, isolated, rural hospital compare with those seen in larger centers. STUDY DESIGN:As part of a continuing study, the prenatal and hospital records of all patients with previous cesarean de...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(12)90885-6
更新日期:1993-01-01 00:00:00
abstract::Epidermal inclusion cysts are a late complication of female genital circumcision, which is a practice that affects 125 million women primarily from Africa and the Middle East. A 30-year-old woman, gravida 4, para 1, presented to our clinic with an 8-year history of a slowly enlarging periclitoral mass. The patient had...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/j.ajog.2016.03.026
更新日期:2016-06-01 00:00:00
abstract::Umbilical arterial velocity waveforms were recorded in 69 pairs of twins by means of continuous-wave Doppler analysis and an Angioscan spectrum analyzer. A systolic/diastolic ratio was measured for each twin. The sum of the systolic/diastolic ratio was calculated and the difference between each twin was expressed as t...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(87)80035-2
更新日期:1987-09-01 00:00:00
abstract:OBJECTIVE:Classic radioligand binding techniques have suggested that beta 1- and beta 2-adrenergic receptor subtype proteins are expressed in myometrial tissue; however, to date these observations have not been confirmed at the level of the messenger ribonucleic acid for these clinically important membrane receptors. T...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(97)70497-6
更新日期:1997-02-01 00:00:00
abstract::Smoking increases the risk of lung cancer and cardiovascular disease among persons of both sexes. The risk of cardiovascular disease is further increased among users of oral contraceptives who smoke, particularly those who are >/=35 years old or carry the coagulation factor V Leiden mutation. Other important cardiovas...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1016/s0002-9378(99)70695-2
更新日期:1999-06-01 00:00:00
abstract::The conversion of androstenedione to estrone in various tissues of 13 human fetuses ranging from 9 to 40 weeks of gestation was measured by a double isotope method in vitro. The data revealed differences in aromatization between cerebrum and hypothalamus. For hypothalamic tissue the conversion rate ranged between 0.01...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(75)90196-9
更新日期:1975-10-01 00:00:00
abstract:OBJECTIVE:Conventional diagnosis of bacterial vaginosis contains some controversial points. To understand accurately the relationship between clinical stages and the microbiotas, the intravaginal microbial flora was analyzed by the clone library method. STUDY DESIGN:Vaginal fluid samples from 31 patients were examined...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/j.ajog.2011.04.018
更新日期:2011-09-01 00:00:00
abstract:OBJECTIVE:Absent end-diastolic blood flow in the umbilical artery identifies growth-restricted fetuses at high risk of perinatal mortality and severe morbidity. We explored antenatal variables predictive of perinatal mortality or severe neonatal morbidity in such fetuses. STUDY DESIGN:We accessed a cohort of 39 single...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/j.ajog.2005.07.032
更新日期:2005-09-01 00:00:00
abstract::The effects on complement in vitro by several commercial preparation of human chorionic gonadotropin (HCG) were investigated. These preparations were demonstrably anticomplementary and produced marked conversion of the third component of complement (C'3). However, detailed analyses showed that the anticomplementary ac...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(75)90971-0
更新日期:1975-01-01 00:00:00
abstract::Endometrial biopsies at varying times in the menstrual cycle were obtained from 30 healthy women (16-41 years) to be used as controls, and 19 women (16-36 years), who wore an IUD (Mazlin spring, Lippes loop, or Birnburg bow) for from 5 months to 4 years, in order to study histological changes in the endometrium in th...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(70)90508-9
更新日期:1970-04-15 00:00:00
abstract::One hundred and fifty-three patients with pelvic endometriosis met the study criteria of inferility, tissue diagnosis, treatment with conservative surgery, and adequate follow-up. The extent of disease was classified according to Acosta and and associates. Pregnancy rates were 10 to 100% in various subclassifications ...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/0002-9378(78)90417-9
更新日期:1978-06-15 00:00:00
abstract:OBJECTIVE:Intrauterine growth restriction in an ovine model occurs after exposure to environmental heat stress for 80 days beginning at 35 days' gestation. Our objective was to determine whether intrauterine growth restriction is reversible on removal of the heat stress after only 55 days of exposure; that is, does a b...
journal_title:American journal of obstetrics and gynecology
pub_type: 杂志文章
doi:10.1016/s0002-9378(99)70629-0
更新日期:1999-05-01 00:00:00