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https://www.readbyqxmd.com/read/29346300/trapezium-bone-density-a-comparison-of-measurements-by-dxa-and-ct
#1
Sebastian Breddam Mosegaard, Kamille Breddam Mosegaard, Nadia Bouteldja, Torben Bæk Hansen, Maiken Stilling
Bone density may influence the primary fixation of cementless implants, and poor bone density may increase the risk of implant failure. Before deciding on using total joint replacement as treatment in osteoarthritis of the trapeziometacarpal joint, it is valuable to determine the trapezium bone density. The aim of this study was to: (1) determine the correlation between measurements of bone mineral density of the trapezium obtained by dual-energy X-ray absorptiometry (DXA) scans by a circumference method and a new inner-ellipse method; and (2) to compare those to measurements of bone density obtained by computerized tomography (CT)-scans in Hounsfield units (HU)...
January 18, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29345171/comparison-of-bioelectrical-impedance-analysis-and-dual-energy-x-ray-absorptiometry-for-estimating-bone-mineral-content
#2
Tori M Stone, Jonathan E Wingo, Brett S Nickerson, Michael R Esco
The purpose of this study was to validate single-frequency hand-to-foot bioelectrical impedance analysis (HFBIA) for estimating bone mineral content (BMC) using dual energy X-ray absorptiometry (DXA) as the criterion measure in healthy, men and women aged 18-40 y. A total of 80 men and women participated. Bone mineral content was estimated on the same day using HFBIA and DXA. HFBIA device provided higher mean BMC values in men and the entire sample, but not in women. A smaller standard error of estimate was observed in women (0...
January 18, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29343264/associations-between-circulating-adipokines-and-bone-mineral-density-in-patients-with-knee-osteoarthritis-a-cross-sectional-study
#3
Juan Wu, Jianhua Xu, Kang Wang, Qicui Zhu, Jingyu Cai, Jiale Ren, Shuang Zheng, Changhai Ding
BACKGROUND: Associations between adipokines and bone mineral density (BMD) in knee osteoarthritis (OA) remain indistinct. The aim of this study was to investigate the cross-sectional associations between serum levels of adipokines and BMD in patients with knee OA. METHODS: This study included 164 patients with symptomatic knee OA from the Anhui Osteoarthritis study. Serum levels of leptin, adiponectin, and resistin were measured using an enzyme-linked immunosorbent assay (ELISA)...
January 17, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29341849/factors-affecting-occlusion-pressure-and-ischemic-preconditioning
#4
Henry Brown, Martyn J Binnie, Brian Dawson, Nicola Bullock, Brendan R Scott, Peter Peeling
PURPOSE: To determine the effect of limb selection (upper/lower), cuff width (small (6 cm)/medium (13 cm) upper; medium/large (18 cm) lower) and anthropometry on arterial occlusion pressure (AOP) in ischemic preconditioning (IPC). METHODS: Twenty athletes (10 females and 10 males) had surface anthropometry and dual x-ray absorptiometry (DXA) assessments before using Doppler ultrasound to confirm AOP for each limb. Subsequently, 5 min of occlusion occurred, with near-infrared spectroscopy (NIRS) measuring muscle oxygenation changes...
January 17, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29338102/circulating-serum-25-hydroxyvitamin-d-levels-and-bone-mineral-density-mendelian-randomization-study
#5
Susanna C Larsson, Håkan Melhus, Karl Michaëlsson
There is considerable discussion of the importance for increased serum 25-hydroxyvitamin D (S-25OHD) concentration associated with adequacy for bone health. Accordingly, whether long-term high S-25OHD concentration in general positively affects bone mineral density (BMD) is uncertain. We used a Mendelian randomization design to determine the association between genetically increased S-25OHD concentrations and BMD. Five single-nucleotide polymorphisms (SNPs) in or near genes encoding enzymes and carrier proteins involved in vitamin D synthesis or metabolism were used as instrumental variables to genetically predict one standard deviation increase in S-25OHD concentration...
January 16, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29338002/the-associations-between-adult-body-composition-and-abdominal-adiposity-outcomes-and-relative-weight-gain-and-linear-growth-from-birth-to-age-22-in-the-birth-to-twenty-plus-cohort-south-africa
#6
Alessandra Prioreschi, Richard J Munthali, Juliana Kagura, Rihlat Said-Mohamed, Emanuella De Lucia Rolfe, Lisa K Micklesfield, Shane A Norris
BACKGROUND: The growing prevalence of overweight and obesity in low- or middle-income countries precipitates the need to examine early life predictors of adiposity. OBJECTIVES: To examine growth trajectories from birth, and associations with adult body composition in the Birth to Twenty Plus Cohort, Soweto, South Africa. METHODS: Complete data at year 22 was available for 1088 participants (536 males and 537 females). Conditional weight and height indices were generated indicative of relative rate of growth between years 0-2, 2-5, 5-8, 8-18, and 18-22...
2018: PloS One
https://www.readbyqxmd.com/read/29332917/significance-of-sarcopenia-evaluation-in-acute-decompensated-heart-failure
#7
Keiichi Tsuchida, Yuki Fujihara, Jiro Hiroki, Takahiro Hakamata, Ryohei Sakai, Kota Nishida, Koji Sudo, Komei Tanaka, Yukio Hosaka, Kazuyoshi Takahashi, Hirotaka Oda
In patients with chronic heart failure (HF), the clinical importance of sarcopenia has been recognized in relation to disease severity, reduced exercise capacity, and adverse clinical outcome. Nevertheless, its impact on acute decompensated heart failure (ADHF) is still poorly understood. Dual-energy X-ray absorptiometry (DXA) is a technique for quantitatively analyzing muscle mass and the degree of sarcopenia. Fat-free mass index (FFMI) is a noninvasive and easily applicable marker of muscle mass.This was a prospective observational cohort study comprising 38 consecutive patients hospitalized for ADHF...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29329430/increases-in-igf-1-after-anti-tnf-%C3%AE-therapy-are-associated-with-bone-and-muscle-accrual-in-pediatric-crohn-s-disease
#8
Mark D DeBoer, Arthur M Lee, Kirabo Herbert, Jin Long, Meena Thayu, Lindsay M Griffin, Robert N Baldassano, Lee A Denson, Babette S Zemel, Michelle R Denburg, Rita Herskovitz, Mary B Leonard
Context: Low levels of IGF-1 in pediatric and adolescent Crohn's Disease (CD) likely contribute to bone and muscle deficits. Objective: Assess changes in IGF-1 levels and associations with bone and muscle accrual following initiation of anti-TNF-α therapy in pediatric and adolescent CD. Design and Participants: Participants (n=75, age 5-21 years) with CD were enrolled in a prospective cohort study; 63 completed the 12-month visit. Main Outcome Measures: IGF-1 levels at baseline and 10 weeks, and DXA and tibia peripheral quantitative-CT (pQCT) measures of bone and muscle at baseline and 12 months after initiation of anti-TNF-α therapy...
January 10, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29328027/the-impact-of-12-month-growth-hormone-replacement-therapy-on-lipid-metabolism-and-adipose-tissue-distribution-in-georgian-patients-with-adult-growth-hormone-deficiency
#9
N Bostoganashvili, T Zerekidze, Sh Janjgava, M Lomidze
Growth hormone deficiency (GHD) is one of the reasons of significant metabolic morbidities inchildren and adults. The aim of our study was to evaluate the impact of growth hormone (GH) replacement therapy on lipid profile and adipose tissue distribution in adults with GHD. Twenty hypopituitary adults, aged 40.75±2.2 years (mean ± SE, range 20.5-60), with adult onset GHD (aGHD) were enrolled in a randomized, double blind, placebo-controlled study. 10 patients received recombinant growth hormone injection once weekly for 12 months, and the rest 10 patients (as control group) received placebo...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29327546/-bone-mineral-density-decreased-is-a-high-risk-factor-for-uncemented-acetabular-cups-migration-in-female-total-hip-arthroplasty-patients
#10
Jia Liu, Jiang Deng, Xiao-Song Han, Lin Xu
OBJECTIVE: To investigate the decrease of bone mineral density in female patients, effects on acetabular displacement. METHODS: From October 2013 to November 2015, a total of 34 patients underwent total hip replacement in the Department of orthopedics, the Third Affiliated Hospital of Zunyi Medical College. The two groups of patients were female and the patients were treated with hip osteoarthritis. Based on the lowest value of preoperative dual energy X-ray bone mineral density (DXA), the patients were divided into normal group and low bone mineral density(-3...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327139/galectin-3-levels-relate-in-children-to-total-body-fat-abdominal-fat-body-fat-distribution-and-cardiac-size
#11
Magnus Dencker, Daniel Arvidsson, Magnus K Karlsson, Per Wollmer, Lars B Andersen, Ola Thorsson
Galectin-3 has recently been proposed as a novel biomarker for cardiovascular disease in adults. The purpose of this investigation was to assess relationships between galectin-3 levels and total body fat, abdominal fat, body fat distribution, aerobic fitness, blood pressure, left ventricular mass, left atrial size, and increase in body fat over a 2-year period in a population-based sample of children. Our study included 170 children aged 8-11 years. Total fat mass and abdominal fat were measured by dual-energy x-ray absorptiometry (DXA)...
January 11, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29326031/depressive-symptoms-and-poorer-performance-on-the-stroop-task-are-associated-with-weight-gain
#12
Emma J Stinson, Jonathan Krakoff, Marci E Gluck
OBJECTIVE: Executive function impairments and depression are associated with obesity but whether they predict weight gain is unclear. METHODS: Forty-six individuals (35m, 37±10y) completed the Stroop Task, Iowa Gambling Task (IGT), Wisconsin Card Sorting Task (WCST), Inventory for Depressive Symptomatology (IDS-SR), Physical Anhedonia Scale (PAS), and Perceived Stress Scale (PSS). Body composition (DXA) and fasting glucose were also measured. Data from return visits were used to assess changes in weight...
January 8, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29325542/visceral-adipose-tissue-and-carotid-intima-media-thickness-in-hiv-infected-patients-undergoing-cart-a-prospective-cohort-study
#13
Maria Teresa Beires, André Silva-Pinto, Ana Cristina Santos, António José Madureira, Jorge Pereira, Davide Carvalho, António Sarmento, Paula Freitas
BACKGROUND: Combined antiretroviral therapy (cART) in HIV-infected patients has been associated with lipodystrophy, metabolic abnormalities, and an increased risk of cardiovascular disease. Ultrasound measures of carotid artery intima-media thickness (cIMT) have been used as a valid measure of subclinical atherosclerosis and as a tool to predict the risk of cardiovascular events. Our aim was to evaluate the progression of cIMT in HIV-infected patients subjected to cART, with and without lipodystrophy, over a one-year period...
January 11, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29324909/effect-of-hypoparathyroid-on-bone-mineral-density-of-lumber-spine-in-postmenopausal-women-with-differentiated-thyroid-cancinoma
#14
Yongli Bai, Yanlei Huo, Fei Yu, Danyang Wang, Chao Ma
OBJECTIVE: To investigate the effect of hypoparathyroid on bone mineral density in postmenopausal women with differentiated thyroid carcinoma (DTC). SUBJECT AND METHODS: Postmenopausal women with postoperative DTC, and undergoing thyroid residual ablation or for metastases treatment were collected and followed for two years. They were divided into hypoparathyroid group (PTH<15pg/mL) and a normal cognitive group (PTH>15pg/mL). Bone mineral density (BMD) at the lumbar spine was analyzed using dual-energy X-ray absorptiometry (DXA) at baseline, 6, 12 and 24 months...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324908/peripheral-quantitative-computed-tomography-detects-differences-at-the-radius-in-prepubertal-children-with-cystic-fibrosis-compared-to-healthy-controls
#15
Catherine E O'Brien, Gulnur Com, John Fowlkes, Xinyu Tang, Laura P James
INTRODUCTION: In 2015, 11.9% of people with cystic fibrosis (CF) in the United States had osteopenia, 5.1% osteoporosis, and 0.3% experienced a fracture. Screening for CF-related bone disease starts in childhood, and dual energy x-ray absorptiometry (DXA) is the recommended method. It is unknown whether peripheral quantitative computed tomography (pQCT) can detect deficits earlier than DXA. This study compared pQCT and DXA scans in a group of pre-pubertal children with CF and healthy controls...
2018: PloS One
https://www.readbyqxmd.com/read/29322706/osteoporosis-in-postmenopausal-females-with-primary-knee-osteoarthritis-in-a-vitamin-d-deficient-population
#16
Pooja Dhaon, Siddharth Kumar Das, Ragini Srivastava, Akash Asthana, Girdhar Agarwal
Aim and Objective: To find prevalence of osteoporosis (OP) in postmenopausal females with primary knee osteoarthritis (OA) in India, where there is widespread Vitamin D deficiency (VDD). Material and Methods: 75 postmenopausal women (PMW) fulfilling ACR criteria for Knee OA between 40 - 60 years of age, having OA grade 2 or more as per Kellgren Lawrence grade on anterior- posterior radiograph of the right knee were enrolled. 34 PMW of the same age with normal right knee radiograph were taken as controls...
November 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29321685/physical-activity-and-diet-on-atherogenic-index-of-plasma-among-adults-in-the-united-states-mediation-considerations-by-central-adiposity
#17
Meghan K Edwards, Paul D Loprinzi
BACKGROUND/OBJECTIVES: The potential interactive or combined association of moderate-to-vigorous physical activity (MVPA) and dietary behavior with atherogenic index of plasma (AIP) has yet to be explored in a representative sample of US adults. Thus, the study aim was to examine the association of MVPA and dietary behavior on AIP, with potential mediation considerations by central adiposity. SUBJECTS/METHODS: Data from the National Health and Nutrition Examination Survey were used (N = 2701 adults aged 20-85 years)...
January 10, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29320432/validity-of-predictive-equations-for-resting-energy-expenditure-developed-for-obese-patients-impact-of-body-composition-method
#18
Najate Achamrah, Pierre Jésus, Sébastien Grigioni, Agnès Rimbert, André Petit, Pierre Déchelotte, Vanessa Folope, Moïse Coëffier
Predictive equations have been specifically developed for obese patients to estimate resting energy expenditure (REE). Body composition (BC) assessment is needed for some of these equations. We assessed the impact of BC methods on the accuracy of specific predictive equations developed in obese patients. REE was measured (mREE) by indirect calorimetry and BC assessed by bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA). mREE, percentages of prediction accuracy (±10% of mREE) were compared...
January 10, 2018: Nutrients
https://www.readbyqxmd.com/read/29318009/assessment-of-osteoporosis-using-the-frax-method-and-the-importance-of-vitamin-d-levels-in-copd-patients
#19
Ceyda Anar, Melike Yüksel Yavuz, Filiz Güldaval, Yelda Varol, Dilek Kalenci
Background: The aim of this paper was to evaluate the availability of FRAX for assessing osteoporosis risk, and to demonstrate the importance of vitamin D levels in COPD patients. Methods: Fourty-six males who fulfilled the COPD diagnostic criteria defined by GOLD were included. Age, race, BMI, physical activity frequency, smoking and dietary habits, age at COPD diagnosis, disease duration, fractures history, and medications use were determined. Levels of 25(OH)D were detected...
2018: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/29315167/predicting-basal-metabolic-rate-in-men-with-motor-complete-spinal-cord-injury
#20
Tom E Nightingale, Ashraf S Gorgey
PURPOSE: To assess the accuracy of existing basal metabolic rate (BMR) prediction equations in men with chronic (>1 year) spinal cord injury (SCI). The primary aim is to develop new SCI population-specific BMR prediction models, based on anthropometric, body composition and/or demographic variables that are strongly associated with BMR. METHODS: Thirty men with chronic SCI (Paraplegic; n = 21, Tetraplegic; n = 9), aged 35 ± 11 years (mean ± SD) participated in this cross-sectional study...
January 8, 2018: Medicine and Science in Sports and Exercise
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