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Induction of labor

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https://www.readbyqxmd.com/read/28625444/nitrous-oxide-for-labor-analgesia-utilization-and-predictors-of-conversion-to-neuraxial-analgesia
#1
Caitlin D Sutton, Alexander J Butwick, Edward T Riley, Brendan Carvalho
STUDY OBJECTIVE: We examined the characteristics of women who choose nitrous oxide for labor analgesia and identified factors that predict conversion from nitrous oxide to labor neuraxial analgesia. DESIGN: Retrospective descriptive study. SETTING: Labor and Delivery Ward. PATIENTS: 146 pregnant women who used nitrous oxide for analgesia during labor and delivery between September 2014 and September 2015. INTERVENTIONS: Chart review only...
August 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28624988/mifepristone-vs-balloon-catheter-for-labor-induction-in-previous-cesarean-a-randomized-controlled-trial
#2
Chanderdeep Sharma, Anjali Soni, Amit Gupta, Ashok Verma, Suresh Verma
OBJECTIVE: To compare oral mifepristone (400 mg) with trans-cervical balloon catheter for induction of labor (IOL) in post date women with previous one cesarean section (CS). METHODS: In this randomized trial, post date pregnant women (gestation 40 weeks 5 days), with previous one low segment CS (no previous vaginal delivery) were induced either with oral mifepristone (400 mg) or balloon catheter [Foley's catheter (16 Fr); bulb filled with 30 ml normal saline]...
June 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28622178/labor-analgesia-onset-with-dural-puncture-epidural-versus-traditional-epidural-using-a-26-gauge-whitacre-needle-and-0-125-bupivacaine-bolus-a-randomized-clinical-trial
#3
Sylvia H Wilson, Bethany J Wolf, Kellie N Bingham, Quiana S Scotland, John M Fox, Erick M Woltz, Latha Hebbar
BACKGROUND: Lumbar epidurals (LEs) provide excellent analgesia. Combined spinal epidural and dural puncture epidural (DPE) are 2 techniques to expedite neuraxial analgesia onset. In DPE, dura is punctured but medication is not administered in the cerebrospinal fluid. Expedited analgesia onset has been demonstrated with DPE, using 0.25% bupivacaine; however, this concentration may impede an unassisted vaginal birth and is not currently used for induction and maintenance of labor analgesia...
June 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28612286/placental-and-maternal-serum-activin-a-in-spontaneous-and-induced-labor-in-late-term-pregnancy
#4
L Funghi, M Torricelli, R Novembri, S Vannuccini, G Cevenini, M Di Tommaso, F M Severi, F Petraglia
PURPOSE: Feto-placental unit represents an important source of activin A, a member of transforming growth factors-β involved in the mechanisms of labor. No evidences are available on activin A in pregnancies beyond 41 weeks of gestation, where induction of labor is often required. The present study aimed to evaluate activin A maternal serum levels and placental mRNA expression in term and late-term pregnancy, with spontaneous or induced labor, and its possible role to predict the response to labor induction...
June 13, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28608545/an-alternative-pathway-to-eusociality-exploring-the-molecular-and-functional-basis-of-fortress-defense
#5
Sarah P Lawson, Leah Sigle, Abigail Lind, Andrew W Legan, Jessica N Mezzanotte, Hans-Willi Honegger, Patrick Abbot
Some animals express a form of eusociality known as 'fortress defense', in which defense rather than brood care is the primary social act. Aphids are small plant-feeding insects, but like termites, some species express division of labor and castes of aggressive juvenile 'soldiers'. What is the functional basis of fortress defense eusociality in aphids? Previous work showed that the acquisition of venoms might be a key innovation in aphid social evolution. We show that the lethality of aphid soldiers derives in part from the induction of exaggerated immune responses in insects they attack...
June 13, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28602193/rapid-extraction-and-assay-of-uranium-from-environmental-surface-samples
#6
Christopher A Barrett, Wilaiwan Chouyyok, Robert J Speakman, Khris B Olsen, Raymond Shane Addleman
Environmental sampling to detect trace nuclear signatures is key component of international nuclear treaty enforcement. Herein, we explored rapid chemical extraction methods coordinated with measurement systems to provide faster, simpler assay of low level uranium from environmental samples. A key problem with the existing analytical method for processing environmental surface samples is the requirement for complete digestion of sample and sampling material. This is a time-consuming and labor-intensive process that limits laboratory throughput, elevates analytical costs, and increases background levels...
October 1, 2017: Talanta
https://www.readbyqxmd.com/read/28600050/labor-induction-just-after-external-cephalic-version-with-epidural-analgesia-at-term
#7
Marcos J Cuerva, Carlos S Piñel, Javier Caceres, Jose A Espinosa
OBJECTIVE: To analyze the benefits of external cephalic version (ECV) with epidural analgesia at term and labor induction just after the procedure. MATERIALS AND METHODS: This is a retrospective observational study with patients who did not want trying a breech vaginal delivery and decided trying an ECV with epidural analgesia at term and wanted labor induction or cesarean section after the procedure. We present the results of 40 ECV with epidural analgesia at term and labor induction or cesarean section just after the ECV...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28585102/the-role-of-prostaglandins-e1-and-e2-dinoprostone-and-misoprostol-in-cervical-ripening-and-the-induction-of-labor-a-mechanistic-approach
#8
Ronan Bakker, Stephanie Pierce, Dean Myers
PURPOSE: Prostaglandins play a critical role in cervical ripening by increasing inflammatory mediators in the cervix and inducing cervical remodeling. Prostaglandin E1 (PGE1) and prostaglandin E2 (PGE2) exert different effects on these processes and on myometrial contractility. These mechanistic differences may affect outcomes in women treated with dinoprostone, a formulation identical to endogenous PGE2, compared with misoprostol, a PGE1 analog. The objective of this review is to evaluate existing evidence regarding mechanistic differences between PGE1 and PGE2, and consider the clinical implications of these differences in patients requiring cervical ripening for labor induction...
June 5, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28578171/nonmedically-indicated-induction-in-morbidly-obese-women%C3%A2-is-not-associated-with-an-increased-risk-of-cesarean%C3%A2-delivery
#9
Tetsuya Kawakita, Sara N Iqbal, Chun-Chih Huang, Uma M Reddy
BACKGROUND: The prevalence of morbid obesity (body mass index ≥40 kg/m(2)) in women aged 20-39 years was 7.5% in 2009 through 2010. Morbid obesity is associated with an increased risk of stillbirth compared with normal body mass index, especially >39 weeks' gestation. The data regarding increased risk of cesarean delivery associated with nonmedically indicated induction of labor compared to expectant management in morbidly obese women are limited. OBJECTIVE: We sought to compare the cesarean delivery rate of nonmedically indicated induction of labor with expectant management in morbidly obese women without other comorbidity...
May 31, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28576827/the-transcriptional-repressor-gatad2b-mediates-progesterone-receptor-suppression-of-myometrial-contractile-gene-expression
#10
Chien-Cheng Chen, Alina P Montalbano, Imran Hussain, Wan-Ru Lee, Carole R Mendelson
The mechanisms whereby progesterone (P4) acting via progesterone receptor (PR) inhibits proinflammatory/contractile gene expression during pregnancy are incompletely defined. Using immortalized human myometrial (hTERT-HM) cells stably expressing wild-type PR-A or PR-B (PRWT), we found that P4 significantly inhibited IL-1β induction of the NF-κB target genes, COX-2 and IL-8 P4/PRWT transrepression occurred at the level of transcription initiation and was mediated by decreased recruitment of NF-κB p65 and RNA Pol II to COX-2 and IL-8 promoters...
June 2, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28561987/oral-misoprostol-alone-versus-oral-misoprostol-and-foley-s-catheter-for-induction-of-labor-a-randomized-controlled-trial
#11
Samia Husain, Sonia Husain, Rubina Izhar
AIM: The aim of this study was to evaluate the efficacy of oral misoprostol and Foley's catheter versus oral misoprostol alone for induction of labor. METHODS: This open-label randomized controlled trial included 335 women requiring induction of labor. A total of 166 women were randomly allocated to induction with oral misoprostol alone and 169 women were assigned for induction with Foley's balloon catheter and oral misoprostol using a computer-generated allocation sequence...
May 31, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28555553/efficacy-and-safety-of-foley-catheter-balloon-for-cervix-priming-in-term-pregnancy
#12
Catarina Policiano, Mariana Pimenta, Diana Martins, Nuno Clode
INTRODUCTION: Foley catheter promotes cervix priming by a direct mechanical effect of distension. MATERIAL AND METHODS: A prospective observational study was conducted at a tertiary hospital, including all cases of induction of labor with Foley catheter between September 1, 2013 and November 30, 2015. Women were eligible if they had a singleton pregnancy with a Bishop score < 6 and a gestational age ≥ 41 weeks or a medical indication for induction of labor...
April 28, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28551761/a-family-based-study-of-the-association-between-labor-induction-and-offspring-attention-deficit-hyperactivity-disorder-and-low-academic-achievement
#13
Kelsey K Wiggs, Martin E Rickert, Sonia Hernandez-Diaz, Brian T Bateman, Catarina Almqvist, Henrik Larsson, Paul Lichtenstein, Anna Sara Oberg, Brian M D'Onofrio
The current study examined associations between labor induction and both (1) offspring attention-deficit hyperactivity disorder (ADHD) diagnosis in a Swedish birth cohort born 1992-2005 (n = 1,085,008) and (2) indices of offspring low academic achievement in a sub-cohort born 1992-1997 (n = 489,196). Associations were examined in the entire sample (i.e., related and unrelated individuals) with adjustment for measured covariates and, in order to account for unmeasured confounders shared within families, within differentially exposed cousins and siblings...
May 27, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/28545266/-analysis-of-misssed-diagnosis-and-misdiagnosis-of-1-212-cases-with-placental-abruption
#14
D Xu, C Liang, J W Xu, J He
Objective: To investigate the risk factors and clinical manifestations of placental abruption, and to analyze the causes of missed diagnosis and misdiagnosis. Methods: A retrospective analysis was conducted in 135 584 women who delivered in Women's Hospital, School of Medicine, Zhejiang University from January 2005 to December 2015. The diagnosis of placental abruption was made in 1 212 cases. According to the consistency of prenatal and postnatal diagnosis, they were divided into 3 groups. (1) The diagnosis was consistent prenatally and postnatally in 715 cases(58...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28538923/policy-of-labor-management-and-health-education-a-progesus-experience
#15
Carinne Magnago, Celia Regina Pierantoni, Tania França, Swheelen de Paula Vieira, Rômulo Gonçalves de Miranda, Dayane Nunes Nascimento
Aim: To evaluate the stage of labor management and education policies in municipal and state health secretariats (SMS and SES, respectively), having as reference the adherence to a qualification and structuring program of work management and education in the Unified Health System. Method: A descriptive and quantitative study, developed with 519 representatives from the Human Resources (HR) area of SMS and SES, through a survey composed of 56 questions, via a computer-assisted telephone interview in 2012...
May 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28532262/trial-of-vaginal-delivery-for-twins-is-it-safe-a-single-center-experience
#16
Dana Sadeh-Mestechkin, Yair Daykan, Mor Bostan, Ofer Markovitch, Gil Shechter-Maor, Tal Biron-Shental
PURPOSE: This study assessed our hospital protocol of vaginal delivery for twins and evaluated whether trial of vaginal delivery (unless contraindicated) was as safe as elective cesarean. Risk factors leading to failed trial of labor (TOL) were characterized to improve our ability to advise patients and select cases for TOL. METHODS: This retrospective, cohort study included women >32 weeks gestation, with twin A in cephalic presentation and no contraindications for vaginal delivery...
May 22, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28528810/titration-of-intravenous-oxytocin-infusion-for-postdate-induction-of-labor-across-body-mass-index-groups
#17
Angela B Maeder, Susan C Vonderheid, Chang G Park, Aleeca F Bell, Barbara L McFarlin, Catherine Vincent, C Sue Carter
OBJECTIVE: To evaluate whether oxytocin titration for postdate labor induction differs among women who are normal weight, overweight, and obese and whether length of labor and birth method differ by oxytocin titration and body mass index (BMI). DESIGN: Retrospective cohort study. SETTING: U.S. university-affiliated hospital. PARTICIPANTS: Of 280 eligible women, 21 were normal weight, 134 were overweight, and 125 were obese at labor admission...
May 18, 2017: Journal of Obstetric, Gynecologic, and Neonatal Nursing: JOGNN
https://www.readbyqxmd.com/read/28526450/the-association-of-single-nucleotide-polymorphisms-in-the%C3%A2-oxytocin-receptor-and-g-protein-coupled-receptor-kinase-6-grk6-genes-with-oxytocin-dosing-requirements-and-labor-outcomes
#18
Chad A Grotegut, Emily Ngan, Melanie E Garrett, Marie Lynn Miranda, Allison E Ashley-Koch, Geeta K Swamy
BACKGROUND: Oxytocin is a potent uterotonic agent that is widely used for induction and augmentation of labor. Oxytocin has a narrow therapeutic index and the optimal dosing for any individual woman varies widely. OBJECTIVE: The objective of this study was to determine whether genetic variation in the oxytocin receptor (OXTR) or in the gene encoding G protein-coupled receptor kinase 6 (GRK6), which regulates desensitization of the oxytocin receptor, could explain variation in oxytocin dosing and labor outcomes among women being induced near term...
May 17, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28526449/predictors-of-vaginal-delivery-in-medically-indicated-early-preterm-induction-of-labor
#19
Rachel A Sievert, Spencer G Kuper, Victoria C Jauk, Melissa Parrish, Joseph R Biggio, Lorie M Harper
BACKGROUND: When delivery is indicated prior to 34 weeks, many providers perform a cesarean delivery rather than induce labor based on perceptions of a high failure rate. Given the morbidity of cesarean delivery, an accurate estimate of the success rate and factors associated with success in preterm induction of labor is important in management decisions. OBJECTIVE: We sought to develop a prediction model for successful induction of labor in preterm patients using factors known at the time the decision is made to deliver...
May 17, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28525825/what-is-to-blame-for-postnatal-pelvic-floor-dysfunction-in-primiparous-women-pre-pregnancy-or-intrapartum-risk-factors
#20
Constantin M Durnea, Ali S Khashan, Louise C Kenny, Uliana A Durnea, James C Dornan, Suzanne M O'Sullivan, Barry A O'Reilly
BACKGROUND: The aetiology of pelvic floor dysfunction (PFD) is still poorly understood. However childbearing is recognized as a major risk factor. OBJECTIVES: To elucidate the natural history of PFD by investigating the impact of the mode of delivery on postnatal pelvic floor dysfunction in primiparas, when PFD existing before the first pregnancy is taken into consideration. STUDY DESIGN: 4P-study (Prevalence and Predictors of Pelvic floor dysfunction in Primips) is a prospective cohort study, nested within the Screening for Pregnancy Endpoints (SCOPE) study set in a tertiary referral teaching hospital with 9000 deliveries annually...
April 23, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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