The case for simulation as part of a comprehensive patient safety program.

abstract：:The effects of glucocorticoids on primate fetal lung function have not been clearly delineated. In this prospective study of preterm rhesus fetuses exposed in utero to betamethasone for 72 hours, the most significant alteration was a striking increase in maximum lung volumes. Functionally less significant increases in...

journal_title：American journal of obstetrics and gynecology

authors： Johnson JW,Mitzner W,London WT,Palmer AE,Scott R,Kearney K

更新日期：1978-04-15 00:00:00

abstract：OBJECTIVE:We sought to develop a valid, reliable assessment of intraoperative judgment by residents during gynecologic surgery based on Script Concordance Theory. STUDY DESIGN:This was a multicenter prospective study involving 5 obstetrics and gynecology residency programs. Surgeons from each site generated case scena...

journal_title：American journal of obstetrics and gynecology

authors： Park AJ,Barber MD,Bent AE,Dooley YT,Dancz C,Sutkin G,Jelovsek JE

更新日期：2010-09-01 00:00:00

abstract：:Prostacyclin is a potent vasodilator produced by both maternal and fetal tissues that dilates the umbilical placental vasculature in vitro. To test the hypothesis that prostacyclin dilates the fetal placental circulation in vivo, we measured blood flow by the radioactive microsphere technique in six unanesthetized nea...

journal_title：American journal of obstetrics and gynecology

authors： Parisi VM,Walsh SW

更新日期：1989-04-01 00:00:00

abstract：OBJECTIVE:Our purpose was to determine the relation to infant birth weight of maternal fat and lean tissue during early and late pregnancy. DESIGN:Total and net maternal pregnancy weight, fat, and water were determined from measurements of total body water, body density, and bone mineral mass in 200 women, with the us...

journal_title：American journal of obstetrics and gynecology

authors： Lederman SA,Paxton A,Heymsfield SB,Wang J,Thornton J,Pierson RN Jr

更新日期：1999-01-01 00:00:00

abstract：:The association between reproductive failure and abnormal autoimmune function has been recognized for decades in association with such established autoimmune diseases as systemic lupus erythematosus. Recent investigations have expanded this association to women who demonstrate similar humoral abnormalities as patients...

journal_title：American journal of obstetrics and gynecology

authors： Gleicher N,el-Roeiy A

更新日期：1988-07-01 00:00:00

abstract：:Ferning of amniotic fluid was studied in early pregnancy. Arborization was demonstrated during the interval of 6 1/2 to 16 weeks by flame-drying. Air-drying yielded a spectrum of crystallization from none prior to 8 weeks to full ferning by 16 weeks. Technical differences are stressed. ...

journal_title：American journal of obstetrics and gynecology

authors： Borten M,Friedman EA

更新日期：1986-03-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to compare alpha-fetoprotein, human chorionic gonadotropin, and unconjugated estriol levels in women who take protease inhibitors and those women who do not. STUDY DESIGN:This retrospective review from August 2000 to May 2003 was performed for maternal serum screen results, medi...

journal_title：American journal of obstetrics and gynecology

authors： Einstein FH,Wright RL,Trentacoste S,Gross S,Merkatz IR,Bernstein PS

更新日期：2004-09-01 00:00:00

abstract：:Theories of intimal injury leading to plaque formation include platelet adhesion and production of growth factors, hypercholesterolemia, smooth muscle cell proliferation, macrophage activity, defective utilization of low-density lipoproteins via deficient receptors, and deficiency in cellular lysosomal enzymes. High l...

journal_title：American journal of obstetrics and gynecology

authors： Lobo RA

更新日期：1988-06-01 00:00:00

abstract：:Despite the widespread use of tetracycline for treatment of dermatologic disorders and sexually transmitted diseases, the pharmacodynamics of oral contraceptive use in the presence of tetracycline has not been studied. Seven normal women ingested an oral contraceptive containing ethinyl estradiol 35 micrograms and nor...

journal_title：American journal of obstetrics and gynecology

authors： Murphy AA,Zacur HA,Charache P,Burkman RT

更新日期：1991-01-01 00:00:00

abstract：:The ability of the calcium antagonist nifedipine to inhibit uterine contractions during labor and in the postpartum period was measured in the ewe. The hemodynamic effects of tocolytic doses of this drug were measured and compared with the hemodynamic effects of equivalent doses of ritodrine. Intravenous nifedipine wa...

journal_title：American journal of obstetrics and gynecology

authors： Golichowski AM,Hathaway DR,Fineberg N,Peleg D

更新日期：1985-04-15 00:00:00

abstract：:The fetal heart rate acceleration response to an acoustic stimulation was compared to the traditional nonstress test in regard to pregnancy outcome, as reflected by the incidence of intrapartum fetal distress, meconium staining of the amniotic fluid, 1- and 5-minute Apgar scores, and perinatal mortality. Fetuses with ...

journal_title：American journal of obstetrics and gynecology

authors： Serafini P,Lindsay MB,Nagey DA,Pupkin MJ,Tseng P,Crenshaw C Jr

更新日期：1984-01-01 00:00:00

abstract：OBJECTIVE:The objective of the study was to examine risk factors for postterm (gestational age >or= 42 weeks) or prolonged (gestational age >or= 41 weeks) pregnancy. STUDY DESIGN:We conducted a retrospective cohort study of all term, singleton pregnancies delivered at a mature, managed care organization. The primary o...

journal_title：American journal of obstetrics and gynecology

authors： Caughey AB,Stotland NE,Washington AE,Escobar GJ

更新日期：2009-06-01 00:00:00

abstract：OBJECTIVE:We examined trends in overall and preoperative urodynamics utilization among women with stress urinary incontinence (SUI) to determine if practice patterns changed following publication of a 2012 randomized trial questioning the value of preoperative urodynamics in patients with uncomplicated SUI. STUDY DESI...

journal_title：American journal of obstetrics and gynecology

authors： Lippmann QK,Diwadkar GB,Zhou H,Menefee SA

更新日期：2015-11-01 00:00:00

abstract：OBJECTIVE:We tested the hypothesis that preterm delivery in women with twins or polyhydramnios is associated with enhanced expression and activity of cyclooxygenase type 2 in the amnion. STUDY DESIGN:We obtained amniotic tissue samples from women undergoing preterm delivery complicated by either twins or polyhydramnio...

journal_title：American journal of obstetrics and gynecology

authors： Leguizamón G,Smith J,Younis H,Nelson DM,Sadovsky Y

更新日期：2001-01-01 00:00:00

abstract：OBJECTIVE:Thrombotic vascular disease may predispose patients to the development of preeclampsia. The purpose of this study was to determine whether maternal or fetal genotype frequencies of the inherited thrombophilic gene mutations (factor V Leiden, methylenetetrahydrofolate, and prothrombin) are altered in severe pr...

journal_title：American journal of obstetrics and gynecology

authors： Livingston JC,Barton JR,Park V,Haddad B,Phillips O,Sibai BM

更新日期：2001-07-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to determine how closely the surgically induced sheep myelomeningocele (MMC) model resembles the central nervous system derangements seen in human disease, and identify which aspects of MMC are the result of the early neuronal developmental defect, and which are secondary to the ...

journal_title：American journal of obstetrics and gynecology

authors： von Koch CS,Compagnone N,Hirose S,Yoder S,Harrison MR,Farmer DL

更新日期：2005-10-01 00:00:00

abstract：:We present a case of a primiparous patient at 35 weeks' gestation who had had laparoscopic gastric banding, and who presented to labor and delivery with protracted vomiting followed by an acute abdomen and fetal distress. An emergency surgery revealed acute gastric ulcer perforation. This complication, although rare, ...

journal_title：American journal of obstetrics and gynecology

authors： Erez O,Maymon E,Mazor M

更新日期：2004-11-01 00:00:00

abstract：:Large ovarian cysts are conventionally treated by laparotomy. We describe a technique of transabdominal drainage under ultrasonographic control followed by laparoscopic excision of an ovarian cyst that was 24 x 10 x 20 cm. This approach has the benefits of minimal-access surgery and is suitable for unilocular benign c...

journal_title：American journal of obstetrics and gynecology

authors： Nagele F,Magos AL

更新日期：1996-11-01 00:00:00

abstract：:The mechanisms of steroid action remain a poorly understood enigma. Although much effort has focused on the steroid receptor as a mediator of the steroid's effect in the cell, we are only beginning to understand the structure of steroid receptors. Development of monoclonal antibodies directed against both the steroid-...

journal_title：American journal of obstetrics and gynecology

authors： Faber LE,Wakim NG,Duhring JL

更新日期：1987-06-01 00:00:00

abstract：OBJECTIVES:Our goals were (1) to determine whether hypertension, proteinuria, and glomerular endotheliosis can be produced by chronic reduction of lower aortic pressure in pregnant rhesus monkeys and (2) to study the time course of the development of hypertension by means of longitudinal arterial blood pressure measure...

journal_title：American journal of obstetrics and gynecology

authors： Combs CA,Katz MA,Kitzmiller JL,Brescia RJ

更新日期：1993-07-01 00:00:00

abstract：OBJECTIVE:We conducted a study to determine whether the pH and base excess of umbilical artery blood samples are significantly different when taken from a double-clamped segment of umbilical cord as compared with a nonisolated segment of umbilical cord. STUDY DESIGN:A prospective study with 43 singleton pregnancies wa...

journal_title：American journal of obstetrics and gynecology

authors： Leung WI,Lyndon CA

更新日期：2007-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to describe the outcome of peripartum cardiomyopathy in patients cared for in a community hospital. STUDY DESIGN:The cases of peripartum cardiomyopathy treated at Central Baptist Hospital in Lexington, Kentucky, from January 1, 1992, to December 31, 1998, were reviewed. RESULTS...

journal_title：American journal of obstetrics and gynecology

authors： Ford RF,Barton JR,O'brien JM,Hollingsworth PW

更新日期：2000-05-01 00:00:00

abstract：:The estrogen potencies of 9 oral contraceptive pills, Enovid-E, Enovid-5, Ovulen, Demulen, Norinyl+80, Norinyl+50, Ovral, Norlestrin 1 mg. and Norlestrin 2.5 mg., were determined by bioassay. Relative estrogen potency was determined by analysis of variance. Enovid-5, the most estrogenic compound, had a potency of 4.88...

journal_title：American journal of obstetrics and gynecology

authors： Chihal HJ,Peppler RD,Dickey RP

更新日期：1975-01-01 00:00:00

abstract：OBJECTIVE:Our purpose was to determine the maternal blood glucose response to food throughout pregnancy. STUDY DESIGN:Forty-five normal, healthy primiparous women with singleton pregnancies were studied longitudinally throughout pregnancy. Blood glucose levels were determined at each stage of pregnancy after a standar...

journal_title：American journal of obstetrics and gynecology

authors： Campbell DM,Sutherland HW,Pearson DW

更新日期：1994-07-01 00:00:00

abstract：:Blood volume (BV), plasma volume (PV), red cell volume (RCV), cardiac output (CO), and organ blood flows were measured in nonpregnant (Group I), 10 to 19 days' pregnant (Group II), and 20 to 30 days' pregnant (Group III) rabbits. BV, PV, and RCV increased throughout pregnancy, with maximum increase during the second t...

journal_title：American journal of obstetrics and gynecology

authors： Nuwayhid B

更新日期：1979-11-01 00:00:00

abstract：OBJECTIVE:Our purpose was to assess whether a program of expectant management of uncomplicated pregnancies in mothers with insulin-requiring gestational or pregestational class B reduces the incidence of cesarean birth. STUDY DESIGN:Two hundred women with uncomplicated, insulin-requiring diabetes at 38 weeks' gestatio...

journal_title：American journal of obstetrics and gynecology

authors： Kjos SL,Henry OA,Montoro M,Buchanan TA,Mestman JH

更新日期：1993-09-01 00:00:00

abstract：:Relationships among prepregnancy weight status, prenatal weight gain, and the outcome of 922 twin gestations delivered at term were retrospectively investigated with the use of data provided by linked birth-death certificates in Kansas, 1980 to 1986. Infant birth weights were found to increase linearly with prenatal w...

journal_title：American journal of obstetrics and gynecology

authors： Brown JE,Schloesser PT

更新日期：1990-01-01 00:00:00

abstract：OBJECTIVE:Intraperitoneal adhesions are a significant cause of morbidity among women of reproductive age. Monocyte chemotactic protein 1 plays a role in the chemotaxis of mononuclear cells and fibroblasts into the peritoneal injury site. To evaluate its role in intraperitoneal adhesion formation, we used an established...

journal_title：American journal of obstetrics and gynecology

authors： Zeyneloglu HB,Seli E,Senturk LM,Gutierrez LS,Olive DL,Arici A

更新日期：1998-08-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to determine, with the use of a rat model, the expression of tumor necrosis factor (TNF)-alpha, its receptors, and TNF-alpha-converting enzyme in perinatal brain lesions of early premature neonates. STUDY DESIGN:Lipopolysaccharide (LPS) was injected intraperitoneally in pregnant rat...

journal_title：American journal of obstetrics and gynecology

authors： Roy M,Girard S,Larouche A,Kadhim H,Sébire G

更新日期：2009-11-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to report the distribution of pelvic support among a population-based sample of middle-aged community-dwelling women, as defined by pelvic organ prolapse quantification (POP-Q) and study factors that might influence POP-Q measurements. STUDY DESIGN:We conducted a secondary analy...

journal_title：American journal of obstetrics and gynecology

authors： Trowbridge ER,Fultz NH,Patel DA,DeLancey JO,Fenner DE

更新日期：2008-05-01 00:00:00