Inhibition of spontaneous contractility of the human and the rabbit fallopian tube by potassium.

abstract：OBJECTIVES:The aim of this study was to analyze records of uterine electrical activity made from the abdominal surface of pregnant and laboring rats to examine whether similar quantitative information can be extracted as from direct recording from the uterine muscle. STUDY DESIGN:Electrical activity during pregnancy (...

journal_title：American journal of obstetrics and gynecology

authors： Buhimschi C,Boyle MB,Saade GR,Garfield RE

更新日期：1998-04-01 00:00:00

abstract：OBJECTIVE:Glycemic control, perinatal outcome, and health care costs were evaluated among women with type 1 diabetes mellitus who began insulin pump therapy during pregnancy (group 1, n = 24), were treated with multiple insulin injections (group 2, n = 24), or were already using an insulin pump before pregnancy (group ...

journal_title：American journal of obstetrics and gynecology

authors： Gabbe SG,Holing E,Temple P,Brown ZA

更新日期：2000-06-01 00:00:00

abstract：:Simulation in obstetrics allows us to practice in a safe environment. Simulations can improve the performance of individuals and obstetric teams. The evidence is overwhelming that, with simulated practice, obstetricians improve their technical and communication skills. Evidence is emerging that simulation ultimately m...

journal_title：American journal of obstetrics and gynecology

authors： Argani CH,Eichelberger M,Deering S,Satin AJ

更新日期：2012-06-01 00:00:00

abstract：OBJECTIVE:Review alternative approaches to oral metronidazole for the treatment of bacterial vaginosis. STUDY DESIGN:Assessment of clinical trials on the treatment of bacterial vaginosis with regimens other than 5 to 7 days of metronidazole. RESULTS:Single-dose metronidazole, 2 gm orally, is as effective as 5- to 7-d...

journal_title：American journal of obstetrics and gynecology

authors： Sweet RL

更新日期：1993-08-01 00:00:00

abstract：:Platelet-poor plasma from 13 nonpregnant, 33 normally pregnant, and eight preeclamptic women was incubated with prostacyclin. The ability of platelet-poor plasma to diminish the antiaggregatory effect of prostacyclin was assessed by measuring this effect on arachidonic acid-induced platelet aggregation. Platelet aggre...

journal_title：American journal of obstetrics and gynecology

authors： Baker VV,Kort B,Cefalo RC

更新日期：1987-04-01 00:00:00

abstract：OBJECTIVE:We sought to determine the fetal injury rate associated with shoulder dystocia and to determine whether there is a higher rate of brachial plexus injury or bone fracture when fetal manipulation techniques are required for delivery. STUDY DESIGN:A retrospective review of 285 cases of shoulder dystocia that oc...

journal_title：American journal of obstetrics and gynecology

authors： Gherman RB,Ouzounian JG,Goodwin TM

更新日期：1998-06-01 00:00:00

abstract：OBJECTIVE:Our purpose was to study maternal blood and amniotic fluid concentrations of homocysteine and relevant vitamins in relation to neural tube defects. STUDY DESIGN:Concentrations of total homocysteine, folate, and vitamins B12 and B6 were measured in maternal blood and amniotic fluid of 27 women carrying a fetu...

journal_title：American journal of obstetrics and gynecology

authors： Steegers-Theunissen RP,Boers GH,Blom HJ,Nijhuis JG,Thomas CM,Borm GF,Eskes TK

更新日期：1995-05-01 00:00:00

abstract：OBJECTIVE:Placental lipid peroxides and thromboxane are abnormally increased in preeclampsia. Thromboxane is a potent vasoconstrictor of the placental vasculature. Peroxides stimulate cyclooxygenase (prostaglandin H synthase), and thereby could increase thromboxane, to cause vasoconstriction in the placenta. This study...

journal_title：American journal of obstetrics and gynecology

authors： Walsh SW,Wang Y,Jesse R

更新日期：1993-10-01 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

authors： Turk JK,Landy U,Chien J,Steinauer JE

更新日期：2019-08-01 00:00:00

abstract：:A total of 635 consecutive cesarean sections performed in private practices during the past 20 years are reviewed. In the course of this 20 year period, we have tried to alter gradually our surgical technique used for this procedure to conform to the principles of surgery developed by Halsted. The study is divided int...

journal_title：American journal of obstetrics and gynecology

authors： Lyon JB,Richardson AC

更新日期：1987-09-01 00:00:00

abstract：OBJECTIVE:Both oxidative stress and endoplasmic reticulum stress (ER stress) are causal events in diabetic embryopathy. We tested whether oxidative stress causes ER stress. STUDY DESIGN:Wild-type (WT) and superoxide dismutase 1 (SOD1)-overexpressing day 8.75 embryos from nondiabetic WT control with SOD1 transgenic mal...

journal_title：American journal of obstetrics and gynecology

authors： Wang F,Reece EA,Yang P

更新日期：2013-10-01 00:00:00

abstract：OBJECTIVES:Endotoxin, interleukin-1 beta, interleukin-6, and tumor necrosis factor-alpha have been implicated in the pathogenesis of preterm labor, but their acute effect on myometrial contractile activity is unknown. The objective of this study was to determine their effect on isolated pregnant murine myometrial contr...

journal_title：American journal of obstetrics and gynecology

authors： Oshiro BT,Monga M,Eriksen NL,Graham JM,Weisbrodt NW,Blanco JD

更新日期：1993-12-01 00:00:00

abstract：OBJECTIVE:The objective of the study was to determine whether transversus abdominis plane (TAP) block reduces postoperative pain when compared with trocar site infiltration of bupivacaine in gynecological laparoscopy. STUDY DESIGN:This was a prospective, randomized, double-blinded clinical trial using patients as thei...

journal_title：American journal of obstetrics and gynecology

authors： El Hachem L,Small E,Chung P,Moshier EL,Friedman K,Fenske SS,Gretz HF 3rd

更新日期：2015-02-01 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

authors： Rayburn WF,Strunk AL,Petterson SM

更新日期：2015-09-01 00:00:00

abstract：OBJECTIVE:Our purpose was to assess pregnancy outcomes in women with chronic hypertension from a population with a perinatal mortality of 12 in 1000. STUDY DESIGN:A longitudinal cohort study was performed between 1987 and 1991 in Montreal, Quebec, Canada. RESULTS:A total of 337 pregnancies in 298 women with chronic h...

journal_title：American journal of obstetrics and gynecology

authors： Rey E,Couturier A

更新日期：1994-08-01 00:00:00

abstract：OBJECTIVE:To evaluate the risk of adverse perinatal outcomes among pregnant women previously hospitalized for bipolar disorder. STUDY DESIGN:We completed a population-based cohort study of women with a singleton delivery in Ontario, Canada (2003 to 2011). Women previously hospitalized for bipolar disorder (n = 1859) o...

journal_title：American journal of obstetrics and gynecology

authors： Mei-Dan E,Ray JG,Vigod SN

更新日期：2015-03-01 00:00:00

abstract：:The mechanical properties of the chorioamniotic membranes have been studied by several investigators over the past 100 years. No relationship between membrane strength, as measured by rupture tension, and premature or non-premature rupture of the membranes has been demonstrable. In the present study, several measures ...

journal_title：American journal of obstetrics and gynecology

authors： Artal R,Sokol RJ,Neuman M,Burstein AH,Stojkov J

更新日期：1976-07-01 00:00:00

abstract：:Different perspectives toward symptoms of urogenital aging exist among postmenopausal women, influenced by social and cultural factors, but one constant is that women rarely feel able to discuss urogenital problems freely--with their physicians, husbands, or friends. European women >55 years old were brought up to pri...

journal_title：American journal of obstetrics and gynecology

authors： Wright HJ

更新日期：1998-05-01 00:00:00

abstract：:Seventy cases of ectopic pregnancy associated with an IUD comprised 10% of all ectopics in a 9 year period. This increased to 15% in the last 19 months as more IUD's were in use. In two thirds of the ectopics the IUD had been in situ more than 1 year. Unusual bleeding and cramping attributed to the IUD obscured the di...

journal_title：American journal of obstetrics and gynecology

authors： Hallatt JG

更新日期：1976-07-15 00:00:00

abstract：:Healthy pregnant women underwent a mild exercise study to evaluate the effects of this amount of work on their fetuses. The results indicated that there were no direct correlations between exercise and fetal body or breathing movements at this particular work intensity (2.33 m). We found a relationship between the mat...

journal_title：American journal of obstetrics and gynecology

authors： Platt LD,Artal R,Semel J,Sipos L,Kammula RK

更新日期：1983-11-01 00:00:00

abstract：OBJECTIVE:Our purpose was to investigate perfusion pressure changes ex vivo induced by angiotensin II on fetoplacental vasculature pretreated with low-dose acetylsalicylic acid. STUDY DESIGN:Two cotyledons from each of 12 placentas were perfused. The intervillous space of one cotyledon was infused with acetylsalicylic...

journal_title：American journal of obstetrics and gynecology

authors： Napolitano PG,Hoeldtke NJ,Moore KH,Calhoun BC,Christensen ED,Markenson GR,Hume RF Jr

更新日期：1997-11-01 00:00:00

abstract：OBJECTIVE:The cavitational ultrasonic surgical aspirator is a newer surgical instrument that has been shown to be effective in tumor resection. The purpose of this study was to evaluate its usefulness for cytoreduction of advanced ovarian cancer. STUDY DESIGN:Over a 24-month period patients with advanced ovarian cance...

journal_title：American journal of obstetrics and gynecology

authors： Rose PG

更新日期：1992-03-01 00:00:00

abstract：:A tentative classification of obstetrical and gynecological devices, proposed by the Panel on Review of Obstetrical and Gynecological Devices of the Bureau of Medical Devices and Diagnostic Products of the Food and Drug Administration, is presented. The devices are classified, for regulatory purposes, under 3 genera...

journal_title：American journal of obstetrics and gynecology

authors： Thompson HE,Borders JP,Dickey RP,Freilich TH,Friedman EA,Kerr CH,Sikov MR

更新日期：1976-03-15 00:00:00

abstract：:Despite advances in diagnostic techniques, endometriosis remains an enigmatic condition. Clinical symptoms and signs often do not correlate with the anatomic stage of the disease, and morphologic characteristics very widely. A definitive diagnosis can be established only by direct visualization, usually by laparoscopy...

journal_title：American journal of obstetrics and gynecology

authors： Adamson GD

更新日期：1990-02-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to assess the reliability and validity of an objective structured assessment of technical skills (OSATS) for repair of fourth-degree obstetric lacerations on a surgical model. STUDY DESIGN:Three blinded judges reviewed recordings of 20 junior and 20 senior obstetrics-gynecolog...

journal_title：American journal of obstetrics and gynecology

authors： Siddiqui NY,Stepp KJ,Lasch SJ,Mangel JM,Wu JM

更新日期：2008-12-01 00:00:00

abstract：:Androgen resistance is thought to vary phenotypically from a normal female to an infertile male. Previous evaluation of infertile males has been limited to androgen receptor-binding affinity. The androgen receptor gene has been isolated, cloned, and studied extensively in patients with complete androgen insensitivity ...

journal_title：American journal of obstetrics and gynecology

authors： Akin JW,Behzadian A,Tho SP,McDonough PG

更新日期：1991-12-01 00:00:00

abstract：OBJECTIVE:The objective of the study was a cost minimization analysis of the laparoscopic sacral colpopexy (LSC) and total vaginal mesh (TVM). STUDY DESIGN:Primary clinical costs were derived from our randomized control trial comparing LSC and TVM and were compared using prices from privately- and publicly-conducted p...

journal_title：American journal of obstetrics and gynecology

authors： Maher CF,Connelly LB

更新日期：2012-05-01 00:00:00

abstract：:The technique and application of fine-needle aspiration cytology in the management of gynecologic cancer are discussed. The authors report 90 cases that have been evaluated by means of fine-needle technique. The technique has been applied both for primary diagnosis and for follow-up evaluation. Among the 90 cases repo...

journal_title：American journal of obstetrics and gynecology

authors： Belinson JL,Lynn JM,Papillo JL,Lee K,Korson R

更新日期：1981-01-15 00:00:00

abstract：:Serum progesterone was measured by competitive protein-binding assay in 331 cases of normal pregnancy ranging from 6 to 42 weeks. Serial estimations of serum progesterone were performed in nine cases of severe hypertensive disorder of pregnancy, eight cases of twin pregnancy, three cases of twin pregnancy complicated ...

journal_title：American journal of obstetrics and gynecology

authors： Dawood MY

更新日期：1976-07-15 00:00:00

abstract：:The acute effect of abdominal and vaginal hysterectomy on the ovarian production of estradiol-17-beta (E2) and progesterone (P) was studied in a group of patients undergoing hysterectomy for various gynecologic indications. Plasma levels of steroids as well as gonadotropins (FSH and LH) were measured by RIA. There was...

journal_title：American journal of obstetrics and gynecology

authors： Stone SC,Dickey RP,Mickal A

更新日期：1975-01-15 00:00:00