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Obesity and labor

Miha Lucovnik, Linda R Chambliss, Richard Blumrick, James Balducci, Ksenija Gersak, Robert E Garfield
OBJECTIVE: It has been shown that noninvasive uterine electromyography (EMG) can identify true preterm labor more accurately than methods available to clinicians today. The objective of this study was to evaluate the effect of body mass index (BMI) on the accuracy of uterine EMG in predicting preterm delivery. MATERIALS AND METHODS: Predictive values of uterine EMG for preterm delivery were compared in obese versus overweight/normal BMI patients. Hanley-McNeil test was used to compare receiver operator characteristics curves in these groups...
October 2016: Taiwanese Journal of Obstetrics & Gynecology
Amy C Hermesch, Amanda A Allshouse, Kent D Heyborne
OBJECTIVE: To investigate the relationship between body mass index (BMI) and the onset of parturition throughout gestation. METHODS: This was a secondary analysis of the Maternal-Fetal Medicine Units Network Preterm Prediction Study. Time-to-spontaneous-birth-event (ie, "survival") methods were used to study the association of BMI with the timing of spontaneous onset of labor throughout gestation with indicated births censored at delivery. A Kaplan-Meier estimate of the probability of spontaneous labor was compared with a log rank test across five categories of BMI (kg/m): underweight (less than 18...
October 6, 2016: Obstetrics and Gynecology
Marco Caliendo, Markus Gehrsitz
This paper applies semiparametric regression models to shed light on the relationship between body weight and labor market outcomes in Germany. We find conclusive evidence that these relationships are poorly described by linear or quadratic OLS specifications. Women's wages and employment probabilities do not follow a linear relationship and are highest at a body weight far below the clinical threshold of obesity. This indicates that looks, rather than health, is the driving force behind the adverse labor market outcomes to which overweight women are subject...
September 28, 2016: Economics and Human Biology
Valery S Effoe, Jeffrey A Katula, Julienne K Kirk, Carolyn F Pedley, Linda Y Bollhalter, W Mark Brown, Margaret R Savoca, Stedman T Jones, Janet Baek, Alain G Bertoni
BACKGROUND: The use of the electronic medical record (EMR) system in recruitment in clinical trials has the potential for providing a very reliable and cost-effective recruiting methodology which may improve participant recruitment in clinical trials. We examined a recruitment approach centered on the use of the EMR, as well as other traditional methods, in the Lifestyle Intervention for Treatment of Diabetes (LIFT Diabetes) trial. METHODS: LIFT Diabetes is a randomized controlled trial designed to investigate the effects of two contrasting interventions on cardiovascular disease risk: a community-based intensive lifestyle program aimed at achieving weight loss and a clinic-based enhanced diabetes self-management program...
October 13, 2016: Trials
Antonios Proestakis, Pablo Brañas-Garza
Empirical evidence suggests that obese people are discriminated in different social environments, such as the work place. Yet, the degree to which obese people are internalizing and adjusting their own behavior as a result of this discriminatory behavior has not been thoroughly studied. We develop a proxy for measuring experimentally the "self-weight bias" by giving to both self-identified obese (n = 90) and non-obese (n = 180) individuals the opportunity to request a positive amount of money after having performed an identical task...
2016: Frontiers in Psychology
Su-A Kim, Jeong Bae Park
OBJECTIVE: Superimposed pre-eclampsia (SPE) is resolved only with the termination of the pregnancy. Therefore, the risk prediction and prevention is very important. We aimed to evaluate the characteristics of patients who develop SPE and their controllable risk factors during mid-trimester. DESIGN AND METHOD: A total of 283 pregnant women with chronic hypertension were included for the study. Blood pressure (BP) and body weight were recorded at 10, 20, 24, 28, and 32 weeks of gestation and pregnancy outcomes were evaluated...
September 2016: Journal of Hypertension
Peter L Schnall, Marnie Dobson, Paul Landsbergis
Cardiovascular disease (CVD), a global epidemic, is responsible for about 30% of all deaths worldwide. While mortality rates from CVD have been mostly declining in the advanced industrialized nations, CVD risk factors, including hypertension, obesity, and diabetes, have been on the increase everywhere. Researchers investigating the social causes of CVD have produced a robust body of evidence documenting the relationships between the work environment and CVD, including through the mechanisms of psychosocial work stressors...
October 2016: International Journal of Health Services: Planning, Administration, Evaluation
Tai-Ho Hung, T'sang-T'ang Hsieh
OBJECTIVE: To investigate the associations between maternal pregestational body mass index (BMI), gestational weight gain (GWG), and adverse pregnancy outcomes among Taiwanese women. MATERIALS AND METHODS: A retrospective cohort study was conducted among all singletons without fetal anomalies delivered to women at Taipei Chang Gung Memorial Hospital between 2009 and 2015. Two study cohorts were selected for analysis: all deliveries after 24 0/7 weeks of gestation (Cohort 1, n=12,064) and all live births after 37 0/7 weeks of gestation excluding maternal overt diabetes mellitus and chronic hypertension (Cohort 2, n=10,973)...
August 2016: Taiwanese Journal of Obstetrics & Gynecology
R Su, W Zhu, Y Wei, C Wang, H Feng, L Lin, M Hod, E Hadar, H Yang
OBJECTIVE: Birth weight is an important indicator for childhood and adulthood diseases. Published studies lack information on the relative contribution of women's own birth weight to the course of her pregnancy, not only for maternal but especially to neonatal outcome. The aim of the study was to evaluate the relationship of maternal birth weight on maternal and perinatal complications during pregnancy. STUDY DESIGN: Medical and obstetrical data were collected from 5479 women at 15 hospitals in Beijing, by a systemic cluster sampling survey conducted from 20 June 2013 to 30 November 2013...
September 1, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Agnes M Lamon, Ashraf S Habib
Obesity is a worldwide epidemic. It is associated with increased comorbidities and increased maternal, fetal, and neonatal complications. The risk of cesarean delivery is also increased in obese parturients. Anesthetic management of the obese parturient is challenging and requires adequate planning. Therefore, those patients should be referred to antenatal anesthetic consultation. Anesthesia-related complications and maternal mortality are increased in this patient population. The risk of difficult intubation is increased in obese patients...
2016: Local and Regional Anesthesia
Lindsay Beckwith, Kristin Magner, Sara Kritzer, Carri R Warshak
PURPOSE: Assess the impact of obesity on successful cervical ripening with mechanical versus prostaglandin ripening. MATERIALS AND METHODS: We compared obese to non-obese women in an analysis stratified by induction method, prostaglandin versus mechanical. Misoprostol dosing was the same for obese and non-obese women. Pitocin was titrated to effect. Our primary outcome was failure to achieve active labor. Secondary outcomes included overall cesarean delivery rate, doses of misoprostol used and need for protocol deviation...
August 25, 2016: Journal of Maternal-fetal & Neonatal Medicine
Tao Xu, Junting Liu, Guangjin Zhu, Junxiu Liu, Shaomei Han
BACKGROUND: Up to date, most of previous studies about Chinese prehypertension were conducted based on a small sample or in only one province, which could not represent the general population in China. Furthermore, no information on the ethnic difference in prevalence of prehypertension has been reported in China. The aim of this study is to examine the sex-specific, age-specific and ethnic-specific prevalence of prehypertension and associated risk factors in a large-scale multi-ethnic Chinese adult population...
2016: BMC Public Health
Xin Y Foo, Ristan M Greer, Sailesh Kumar
BACKGROUND: The aim of this study was to evaluate the influence of maternal body mass index on intrapartum and neonatal outcomes at one of the largest maternity hospitals in Australia. METHODS: A retrospective cross-sectional study of 55,352 term singleton deliveries at the Mater Mothers' Hospital in Brisbane, Australia, was conducted. The study cohort was stratified into six groups based on the World Health Organization's body mass index classification. The normal body mass index category was the reference group for all comparisons...
August 8, 2016: Birth
Amanda A Honeycutt, Olga A Khavjou, Christina Bradley, Simon Neuwahl, Thomas J Hoerger, David Bellard, Amanda J Cash
INTRODUCTION: In 2010, the Centers for Disease Control and Prevention funded 50 communities to participate in the Communities Putting Prevention to Work (CPPW) program. CPPW supported community-based approaches to prevent or delay chronic disease and promote wellness by reducing tobacco use and obesity. We collected the direct costs of CPPW for the 44 communities funded through the American Recovery and Reinvestment Act (ARRA) and analyzed costs per person reached for all CPPW interventions and by intervention category...
2016: Preventing Chronic Disease
Euna Han, Tae Hyun Kim
This study assesses differential labour performance by body mass index (BMI), focusing on heterogeneity across three distinct employment statuses: unemployed, self-employed and salaried. Data were drawn from the Korean Labor and Income Panel Study. The final sample included 15,180 person-year observations (9645 men and 5535 women) between 20 and 65 years of age. The findings show that (i) overweight/obese women are less likely to have salaried jobs than underweight/normal weight women, whereas overweight/obese men are more likely to be employed in both the salaried and self-employed sectors than underweight/normal men, (ii) overweight/obese women have lower wages only in permanent salaried jobs than underweight/normal weight women, whereas overweight/obese men earn higher wages only in salaried temporary jobs than underweight/normal weight women, (iii) overweight/obese women earn lower wages only in service, sales, semi-professional and blue-collar jobs in the salaried sector than underweight/normal weight women, whereas overweight/obese men have lower wages only in sales jobs in the self-employed sector than underweight/normal weight women...
July 25, 2016: Journal of Biosocial Science
Alfredo Ovalle, María Angélica Martínez, Ariel Fuentes, Ximena Marques, Francisco Vargas, Paula Vergara, Pablo Staig, María Paz Marín, Francisco Oda, Elena Kakarieka
BACKGROUND: Obesity in pregnancy is associated with significantly higher rates of infection. AIM: To compare the infectious morbidity in pregnant women with normal and altered body mass index (BMI). MATERIAL AND METHODS: Cross sectional retrospective study of 6,150 patients who had delivery or second trimester abortion during 2012. The patients were classified according to BMI as underweight, normal weight, overweight and obese. We compared the frequency of pregnancy and perinatal complications related to ascending bacterial infection (ABI)...
April 2016: Revista Médica de Chile
Filmer Chu, Arto Ohinmaa
A Canadian study of weight discrimination also known as the obesity wage-penalty. This paper adds to the limited Canadian literature while also introducing a causal model, which can be applied to future Canadian studies. A general working-class sample group is utilized with personal income, which removes many biases introduced in other studies. The evidence suggests that a 1-unit increase in lagged BMI is associated with a 0.7% decrease in personal for obese Canadian females. Similar to other studies, the male results are inconsistent...
June 26, 2016: Economics and Human Biology
Michael Heesen, Markus Klimek
Neuraxial labor analgesia can be initiated via combined spinal-epidural (CSE) or stand-alone epidural. Pros and cons of these techniques are outlined in this review. In recent years computer-integrated patient-controlled epidural analgesia (CI-PCEA) and programed intermittent epidural boluses (PIEB) have been developed, adding to continuous infusion and PCEA for the maintenance of neuraxial analgesia. Postdural puncture headache (PDPH) and fever can occur secondary to labor epidural that both have clinical relevance for the care givers...
July 7, 2016: Journal of Perinatal Medicine
Brian K Kradel, Scarlett B Hinson, Carr J Smith
BACKGROUND: Anaphylactoid syndrome of pregnancy (ASP) is a rare but extremely serious complication, with an estimated incidence in North America of 1 in 15 200 deliveries. Despite its rarity, ASP is responsible for approximately 10% of all childbirth-associated deaths in the United States. At present, there is no validated biomarker or specific set of risk factors sufficiently predictive of ASP risk to incorporate into clinical practice. Toward the goal of developing a methodology predictive of an impending ASP event for use by obstetricians, anesthesiologists, and other practitioners participating in infant deliveries, physicians encountering an ASP event have been encouraged to report the occurrence of a case and its biologically plausible risk factors...
2016: American Journal of Case Reports
Márcio Luiz Benevides, Verônica Cristina Moraes Brandão, Jacqueline Ivonne Arenas Lovera
BACKGROUND AND OBJECTIVES: The increased prevalence of obesity in the general population extends to women of reproductive age. The aim of this study is to report the perioperative management of a morbidly obese pregnant woman, body mass index >50kg/m(2), who underwent cesarean section under general anesthesia. CASE REPORT: Pregnant woman in labor, 35 years of age, body mass index 59.8kg/m(2). Cesarean section was indicated due to the presumed fetal macrosomia...
July 2016: Brazilian Journal of Anesthesiology
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