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Diren Arsoy, Nicholas J Giori, Steven T Woolson
BACKGROUND: The use of chemoprophylaxis to prevent thromboembolic disease after primary THA and TKA can be associated with postoperative bleeding complications. Mechanical prophylaxis has been studied as an alternative to chemoprophylaxis with greater safety in patients undergoing THA, but no data have been published comparing the safety of chemoprophylaxis versus mechanical methods for patients undergoing TKA. The risk of readmission resulting from bleeding and venous thromboembolism (VTE) has also not been determined for patients undergoing THA or TKA when treated with low-molecular-weight heparin (LMWH) alone compared with mechanical prophylaxis plus aspirin (ASA)...
February 2018: Clinical Orthopaedics and related Research
Matthieu Ollivier, Sébastien Parratte, Ludovic Lino, Xavier Flecher, Sébastien Pesenti, Jean-Noël Argenson
BACKGROUND: Previously published studies reported benefits of computer-assisted surgery (CAS) in terms of radiographic implant position in TKA, but whether these improvements result in clinically important survival differences or functional differences that a patient might perceive at a minimum 10-year followup remains largely unknown. QUESTIONS/PURPOSES: We performed a prospective randomized trial and asked whether CAS (1) improved survival free from aseptic loosening; and (2) demonstrated any clear difference in patient-reported outcomes at latest followup using validated outcome measures at minimum 10-year followup...
January 2018: Clinical Orthopaedics and related Research
Michael Cowley, David A Skaar, Dereje D Jima, Rachel L Maguire, Kathleen M Hudson, Sarah S Park, Patricia Sorrow, Cathrine Hoyo
BACKGROUND: Imprinted genes are defined by their preferential expression from one of the two parental alleles. This unique mode of gene expression is dependent on allele-specific DNA methylation profiles established at regulatory sequences called imprinting control regions (ICRs). These loci have been used as biosensors to study how environmental exposures affect methylation and transcription. However, a critical unanswered question is whether they are more, less, or equally sensitive to environmental stressors as the rest of the genome...
March 8, 2018: Environmental Health Perspectives
Soraya Aroonvilairat, Chanthana Tangjarukij, Thiwaree Sornprachum, Papada Chaisuriya, Taweeratana Siwadune, Kavi Ratanabanangkoon
Most Thai orchid farmers heavily used pesticide mixtures, and were shown to have various hematologic/immunologic alterations. The present study investigated the effect of exposure of male Wistar rats to a mixture of three pesticides (chlorpyrifos, cypermethrin and captan) that are most often used by the farmers. Three groups of 10 rats were dermally exposed to three different doses (high, middle and low) for 28 consecutive days. The rats showed significant changes in body, liver, kidneys and adrenals weights...
March 2, 2018: Environmental Toxicology and Pharmacology
Liang Lu, Zhiqin Wan, Ting Luo, Zhengwei Fu, Yuanxiang Jin
Microplastic (MP) has become a concerning global environmental problem. It is toxic to aquatic organisms and can spread through the food chain to ultimately pose a threat to humans. In the environment, MP can interact with microbes and act as a microbial habitat. However, effects of polystyrene MP on the gut microbiota in mammals remain unclear. Here, male mice were exposed to two different sizes of polystyrene MP for 5 weeks to explore its effect. We observed that oral exposure to 1000 μg/L of 0.5 and 50 μm polystyrene MP decreased the body, liver and lipid weights in mice...
March 9, 2018: Science of the Total Environment
Ruth Jf Loos
Genome-wide discovery efforts have identified more than 500 genetic loci associated with adiposity traits. The vast majority of these loci were found through large-scale meta-analyses for body mass index (BMI) and waist-to-hip ratio (WHR), and in European ancestry populations. However, alternative approaches, focusing on non-European ancestry populations, more refined adiposity measures, and low-frequency (minor allele frequency (MAF)<5%) coding variants, identified additional novel loci that had not been identified before...
March 9, 2018: Current Opinion in Genetics & Development
Seung-Yong Han, Alexandra A Brewis, Cindi SturtzSreetharan
For an industrialized nation, obesity rates in South Korea are extremely low. Yet, reflecting an extremely fat-averse, thin-positive society, efforts to lose weight are now reportedly very common. Since the 1980s, South Korea has experienced an increasingly flexible and insecure labor market which was exacerbated by the 1997 economic recession. In this social and economic setting, body shape and weight status, as human capital, may have gained significant bargaining power in the labor market. Consequently, we propose that Koreans, particularly those who are employed in "stable" jobs (i...
March 9, 2018: Economics and Human Biology
M P Keane, M McGee, E G O'Riordan, A K Kelly, B Earley
The objectives of the study were to determine whether allometric equations are suitable for estimating the space requirements of finishing beef cattle housed on concrete slatted floors (CSF) and to examine the effect of fixed and dynamic space allowances on the performance and welfare of these cattle. Continental crossbred steers (n=120: mean initial live weight, 590 (SD 29.8) kg) were blocked by breed, weight and age and assigned to one of five space allowance treatments (three fixed and two dynamic) on CSF: i) 2...
February 24, 2018: Journal of Animal Science
Linda M Hengeveld, Hanneke A H Wijnhoven, Margreet R Olthof, Ingeborg A Brouwer, Tamara B Harris, Stephen B Kritchevsky, Anne B Newman, Marjolein Visser
Background: Protein-energy malnutrition (PEM) is a major problem in older adults. Whether poor diet quality is an indicator for the long-term development of PEM is unknown. Objective: The aim was to determine whether poor diet quality is associated with the incidence of PEM in community-dwelling older adults. Design: We used data on 2234 US community-dwelling older adults aged 70-79 y of the Health, Aging, and Body Composition (Health ABC) Study...
February 1, 2018: American Journal of Clinical Nutrition
Laura Morlacchi, Paola Roggero, Maria Lorella Giannì, Beatrice Bracco, Debora Porri, Enrico Battiato, Camilla Menis, Nadia Liotto, Domenica Mallardi, Fabio Mosca
Background: Nutritional management of preterm infants aims to approximate the tissue growth and body composition of a fetus of the same postmenstrual age. The adequacy of the quality of protein supply can influence the rate and the relative quality of weight gain. Objective: We investigated the protein balance according to feeding regimen and the association between human milk feeding and fat-free mass content at the term-corrected age in very-low-birth-weight preterm infants...
February 1, 2018: American Journal of Clinical Nutrition
Samuel T Orange, Phil Marshall, Leigh A Madden, Rebecca V Vince
This study compared the effects of a 4-week supervised (SUP) and unsupervised (UNSUP) resistance training programme followed by 12 weeks of detraining (DET). Thirty-six healthy aging adults (age: 53.6 ± 3.6 years; body mass index: 28.3 ± 5.1 kg/m) were randomly allocated to a SUP group (n = 17) or an UNSUP group (n = 19). Participants completed three training sessions per week using resistance bands and body weight movements. Measures of physical performance were administered at baseline, at the end of the training programme, and after the DET period...
March 6, 2018: Journal of Strength and Conditioning Research
Kenji Kuzuhara, Kanako Katai, Tatsuya Hojo, Yoshihiko Fujisawa, Misaka Kimura, Yasuyoshi Yanagida, Yosuke Yamada, Junta Iguchi
Well-controlled seasonal distribution of training intensity appears to be an important variable for endurance athletes' success as competitors and/or for avoidance of overtraining. The aim of this study was to examine the interrelationships of training distribution, body composition, energy intake/expenditure, and rowing ergometer performance throughout the 2012-2013 season. In the present study of 15 collegiate male rowers, most of whom started rowing during their time at the university, we divided the 2012-2013 season (total 37 weeks) into 3 phases (off-season, December to mid-March, 16 weeks; pre-season, late March to April, 5 weeks; and in-season, May to August, 16 weeks) and analyzed the transition of 2000-m rowing ergometer time, training intensity/volume, body composition (body weight and body fat) and energy intake/expenditure in each phase...
March 6, 2018: Journal of Strength and Conditioning Research
Sandro Bartolomei, Federico Nigro, Sandro Ruggeri, Ivan Malagoli Lanzoni, Simone Ciacci, Franco Merni, Eliahu Sadres, Jay R Hoffman, Gabriele Semprini
The purpose of the present study was to validate the ballistic push-up test performed with hands on a force plate (BPU) as a method to measure upper-body power. Twenty-eight experienced resistance trained men (age = 25.4 ± 5.2 y; body mass = 78.5 ± 9.0 kg; body height = 179.6 ± 7.8 cm) performed, two days apart, a bench press 1RM test and upper-body power tests. Mean power and peak power were assessed using the bench press throw test (BT) and the BPU test performed in randomized order. The area under the force/power curve (AUC) obtained at BT was also calculated...
March 6, 2018: Journal of Strength and Conditioning Research
Mirkka Maukonen, Satu Männistö, Hanna Tolonen
AIMS: Up-to-date information on the accuracy between different anthropometric data collection methods is vital for the reliability of anthropometric data. A previous review on this matter was conducted a decade ago. Our aim was to conduct a literature review on the accuracy of self-reported height, weight, and body mass index (BMI) against measured values for assessing obesity in adults. To obtain an overview of the present situation, we included studies published after the previous review...
March 1, 2018: Scandinavian Journal of Public Health
Vajihe Izadi, Fahimeh Haghighatdoost, Parisa Moosavian, Leila Azadbakht
BACKGROUND: There are no investigations regarding the effects of consuming low-energy-dense diets rich in multiple functional foods on weight-loss maintenance, inflammatory markers, and cardiovascular disease (CVD) risk factors simultaneously. METHOD: This randomized controlled trial design was conducted on 90 men and women who were under a previous weight loss diet. Three months of intervention with recruitment at Allzahra Hospital, Isfahan, Iran, was done. Intervention was conducted following achieving 7-11 kg weight loss...
March 12, 2018: Journal of the American College of Nutrition
Pierre Durieux, Pierre Alain Gevenois, Alain Van Muylem, Nigel Howarth, Caroline Keyzer
OBJECTIVE: The purpose of this study is to investigate the magnitude of differences between attenuation values measured on virtual unenhanced images and true unenhanced images obtained using third-generation dual-source dual-energy CT (DECT). SUBJECTS AND METHODS: A total of 83 patients requiring thoracoabdominal CT for cancer workup were included in this prospective study. CT examinations included true unenhanced acquisitions (tube potential, 120 kVp) and arterial and portal phase dual-energy CT (DECT) acquisitions (tube potential, 100 kVp and Sn 150 kVp [where Sn denotes the interposition of a tin filter in the high-energy beam]; tube current-exposure time product, 190 and 95 mAs)...
March 12, 2018: AJR. American Journal of Roentgenology
Soujanya Sunkaraneni, Elizabeth A Ludwig, Julie A Passarell, David Blum, Todd Grinnell, Jill Fiedler-Kelly
Eslicarbazepine acetate (ESL) is a once-daily oral antiepileptic drug (AED) indicated for partial-onset seizures (POS). ESL pharmacokinetics (PK) and exposure-response analyses were supported by 2 phase 3 conversion to ESL (1200, 1600 mg) monotherapy studies. The PK model development included 10 phase 1-2 studies (ESL 600-1200 mg daily). Seizure diaries were completed daily; subjects exited if seizures worsened. Exposure-response models were developed for time to study exit, probability of seizure freedom, time to first occurrence of dizziness, headache, and nausea; serum sodium levels were explored...
March 12, 2018: Journal of Clinical Pharmacology
S Druyan, M Ruzal, D Shinder, A Haron
The prenatal circulatory system is adaptive and capable of plasticity designed for the needs of the growing tissue. When a broiler embryo is faced with hypoxic stress, the process of angiogenesis in tissues begins. Exposure to hypoxic conditions of 17% oxygen during the chorioallantoic membrane (CAM) development (E5 to E12) affected the circulatory system and contributed to an increase in the blood oxygen carrying capacity. The present study aimed to evaluate the effects of hypoxic exposure during CAM development on post-hatch performance of broilers and to examine whether hypoxic exposure improved sustainability of birds exposed to acute heat stress...
March 8, 2018: Poultry Science
Y Jiang, S Tang, C Wang, Y Wang, Y Qin, Y Wang, J Zhang, H Song, S Mi, F Yu, W Xiao, Q Zhang, X Ding
Improvement in growth and fatness traits are the main objectives in pig all breeding programs. Tenth rib backfat thickness (10RIBBFT) and days to 100 kg (D100), which are good predictors of carcass lean content and growth rate, respectively, are economically important traits and also main breeding target traits in pigs. To investigate the genetic mechanisms of 10RIBBFT and D100 of pigs, we sampled 1,137 and 888 pigs from 2 Yorkshire populations of American and British origin, respectively, and conducted genome-wide association study (GWAS) through combined analysis and meta-analysis, to identify SNPs associated with 10RIBBFT and D100...
March 8, 2018: Journal of Animal Science
Elif Guler, Nilgun Col, Mithat Buyukcelik, Ayse Balat
AIM: In recent years, survival rates of childhood cancers have significantly increased, and occurrence of long-term adverse late effects (eg, insulin resistance, diabetes mellitus, metabolic syndrome, hypertension) has become increasingly important. Early diagnosis of obesity/hypertension in childhood is essential to avoid morbidity in the adulthood. Therefore, this study was aimed to determine the blood pressure (BP) profile by ambulatory BP monitoring (ABPM) method, and prevalence of hypertension, obesity, abdominal obesity among childhood cancer survivors...
March 12, 2018: Pediatric Hematology and Oncology
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