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"Bioelectrical impedance"

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https://www.readbyqxmd.com/read/28432747/whole-body-adipose-tissue-and-lean-muscle-volumes-and-their-distribution-across-gender-and-age-mr-derived-normative-values-in-a-normal-weight-swiss-population
#1
Erika J Ulbrich, Daniel Nanz, Olof Dahlqvist Leinhard, Magda Marcon, Michael A Fischer
PURPOSE: To determine age- and gender-dependent whole-body adipose tissue and muscle volumes in healthy Swiss volunteers in Dixon MRI in comparison with anthropometric and bioelectrical impedance (BIA) measurements. METHODS: Fat-water-separated whole-body 3 Tesla MRI of 80 healthy volunteers (ages 20 to 62 years) with a body mass index (BMI) of 17.5 to 26.2 kg/m(2) (10 men, 10 women per decade). Age and gender-dependent volumes of total adipose tissue (TAT), visceral adipose tissue (VAT), total abdominal subcutaneous adipose tissue (ASAT) and total abdominal adipose tissue (TAAT), and the total lean muscle tissue (TLMT) normalized for body height were determined by semi-automatic segmentation, and correlated with anthropometric and BIA measurements as well as lifestyle parameters...
April 22, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28422530/physiological-changes-following-competition-in-male-and-female-physique-athletes-a-pilot-study
#2
Eric T Trexler, Katie R Hirsch, Bill I Campbell, Abbie E Smith-Ryan
The purpose of the current study was to evaluate changes in body composition, metabolic rate, and hormones during post-competition recovery. Data were collected from natural physique athletes (7 male/8 female) within one week before (T1) competition, within one week after (T2), and 4-6 weeks after (T3) competition. Measures included body composition (fat mass [FM] and lean mass [LM] from ultrasongraphy), resting metabolic rate (RMR; indirect calorimetry), and salivary leptin, testosterone, cortisol, ghrelin, and insulin...
April 19, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28421337/glucose-independent-association-of-adiposity-and-diet-composition-with-cardiovascular-risk-in-children-and-adolescents-with-type-1-diabetes
#3
Claudio Maffeis, Elena Fornari, Anita Morandi, Claudia Piona, Francesca Tomasselli, Mara Tommasi, Marco Marigliano
AIMS: To test the hypothesis that diet composition, adiposity and glycometabolic control could independently contribute to an increase in the cardiovascular risk (CVR) for children/adolescents with type 1 diabetes (T1D). METHODS: One hundred and eighty children/adolescents with T1D (age range 5-18 years) were enrolled. Diet (3-day weighed dietary record), physical (height, weight, waist circumference, bioelectrical impedance analysis) and biochemical (HbA1c, lipid profile) parameters were recorded...
April 18, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28420663/optimal-body-fat-percentage-cut-off-values-for-identifying-cardiovascular-risk-factors-in-mongolian-and-han-adults-a-population-based-cross-sectional-study-in-inner-mongolia-china
#4
Yanlong Li, Hailing Wang, Ke Wang, Wenrui Wang, Fen Dong, Yonggang Qian, Haiying Gong, Guodong Xu, Guoju Li, Li Pan, Guangjin Zhu, Guangliang Shan
OBJECTIVE: The present study was designed to determine the optimal cut-off values of body fat percentage (BF%) for the detection of cardiovascular disease (CVD) risk factors in Mongolian and Han adults. METHOD: This cross-sectional study involving 3221 Chinese adults (2308 Han and 913 Mongolian) aged 20-80 years was conducted in Inner Mongolia Autonomous Region, China, in 2014. Data from a standardised questionnaire, physical examination and blood sample were obtained...
April 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28415069/comparison-of-bioimpedance-and-underwater-weighing-body-fat-percentage-before-and-acutely-after-exercise-at-varying-intensities
#5
Brett S Nickerson, Michael R Esco, Brian M Kliszczewicz, Todd J Freeborn
Nickerson, BS, Esco, MR, Kliszczewicz, BM, and Freeborn, TJ. Comparison of bioimpedance and underwater weighing body fat percentage before and acutely after exercise at varying intensities. J Strength Cond Res 31(5): 1395-1402, 2017-The purpose of this study was to compare single-frequency bioelectrical impedance analysis (BIA) and bioimpedance spectroscopy (BIS) with underwater weighing (UWW) body fat percentage (BF%) before (PRE), immediately post (IP), and 60 minutes post (60P) an acute bout of moderate and vigorous aerobic exercise...
May 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28414253/suggestions-for-assessment-of-muscle-mass-in-primary-care-setting
#6
Ozlem Yilmaz, Gulistan Bahat
Sarcopenia is one of the prevalent geriatric syndromes that adversely affects the functionality in the older adults. The diagnosis of sarcopenia requires documentation of decreased muscle mass and decreased muscle strength or physical function. The implication of user-friendly and inexpensive methods that could be used to assess sarcopenia in real-life settings is suggested in a recent debate paper. For muscle mass assessment, bioelectric impedance analysis (BIA), and dual-energy X-ray absorptiometry (DXA) were described as having the same ease for muscle mass assessment in terms of applicability...
April 17, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28411023/comparison-of-bioelectrical-impedance-and-dxa-for-measuring-body-composition-among-adults-with-down-syndrome
#7
Michael R Esco, Brett S Nickerson, Angela R Russell
BACKGROUND: Individuals with Down syndrome (DS) have been shown to display high levels of adiposity and a unique body shape. Laboratory methods used to evaluate body composition might be too cumbersome for this special population. Therefore, field methods are desired due to their non-invasive nature. OBJECTIVE: to determine the agreement between dual energy x-ray absorptiometry (DXA) and bioelectrical impedance analysis (BIA) for measuring body fat percentage BF% and fat-free mass (FFM) among adults with DS...
March 22, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28410328/manipulation-of-muscle-creatine-and-glycogen-changes-dual-x-ray-absorptiometry-estimates-of-body-composition
#8
Julia L Bone, Megan L Ross, Kristyen A Tomcik, Nikki A Jeacocke, Will G Hopkins, Louise M Burke
Standardizing a dual x-ray absorptiometry (DXA) protocol is thought to provide a reliable measurement of body composition. PURPOSE: We investigated the effects of manipulating muscle glycogen and creatine content independently and additively on DXA estimates of lean mass. METHOD: Eighteen well-trained male cyclists undertook a parallel group application of creatine loading (n = 9) (20 g·d for 5 d loading; 3 g·d maintenance) or placebo (n = 9) with crossover application of glycogen loading (12 v 6 g·kg BM per day for 48 h) as part of a larger study involving a glycogen-depleting exercise protocol...
May 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28407637/pneumatic-compression-but-not-exercise-can-avoid-intradialytic-hypotension-a-randomized-trial
#9
Valeria R C Álvares, Camila D Ramos, Benedito J Pereira, Ana Lucia Pinto, Rosa M A Moysés, Bruno Gualano, Rosilene M Elias
BACKGROUND: Conventional hemodialysis (HD) is associated with dialysis-induced hypotension (DIH) and ineffective phosphate removal. As the main source of extracellular fluid removed during HD are the legs, we sought to reduce DIH and increase phosphate removal by using cycling and pneumatic compression, which would potentially provide higher venous return, preserving central blood flow and also offering more phosphate to the dialyzer. METHODS: We evaluated 21 patients in a randomized crossover fashion in which each patient underwent 3 different HD: control; cycling exercise during the first 60 min; and pneumatic compression during the first 60 min...
April 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28397943/anthropometric-and-central-obesity-indices-as-predictors-of-long-term-cardiometabolic-risk-among-saudi-young-and-middle-aged-men-and-women
#10
Mahmoud M A Abulmeaty, Ali M Almajwal, Najwa K Almadani, Mona S Aldosari, Ahmed A Alnajim, Saeed B Ali, Heba M Hassan, Hany A Elkatawy
To investigate the prediction of long-term cardiometabolic risk using anthropometric and central obesity parameters.  Methods: A total of 390 Saudi subjects (men 42.8%) aged 18-50 years were enrolled in a cross-sectional study in King Saud University, Riyadh, Kingdom of Saudi Arabia between August 2014 and  January 2016. All   participants were instructed to fast for 12 hours before taking blood samples for glucose and lipid panel analyses. A full anthropometric measurement and bioelectric impedance analysis was performed...
April 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28394730/resistance-training-prescription-with-different-load-management-methods-improves-phase-angle-in-older-women
#11
Alex S Ribeiro, Brad J Schoenfeld, Mariana F Souza, Crisieli M Tomeleri, Analiza M Silva, Denílson C Teixeira, Luís B Sardinha, Edilson S Cyrino
The purpose of the present study was to investigate the effect of two different resistance training (RT) prescription methods on phase angle (PA) in older women. Seventy-six older women (68.5 ± 5.7 years) were randomly assigned to one of three groups: two training groups that performed an eight-week RT programme either in a constant load (CT, n = 25) or an ascending pyramidal load (PR, n =  26) routine three times per week, or a control group (CG, n =  25) that performed no exercise. The CT programme consisted of three sets of 8-12 repetition maximum (RM) with a constant load for the three sets, whereas the PR training consisted of three sets of 12/10/8 RM with incremental loads for each set...
April 10, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28394547/influence-of-male-obesity-on-fertility
#12
Miro Kasum, Sonja Anić-Jurica, Ermin Čehić, Tajana Klepac-Pulanić, Josip Juras, Kristina Žužul
The aim of this review is to analyze current diagnostic approaches to obesity in adult men, the potential mechanisms linking obesity to infertility, and treatment options aimed at improving reproductive health. Obesity has become a worldwide epidemic with the estimated prevalence increasing from 28.8% to 36.9% between 1980 and 2013. In terms of diagnosis, numerous simple techniques have been developed including body mass index, waist to hip ratio, waist circumference, bioelectrical impedance analysis, ultrasound and skinfold measurements...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28390845/prevalence-of-malnutrition-in-adult-patients-previously-treated-with%C3%A2-allogeneic-hematopoietic-stem-cell-transplantation
#13
Thibault Brotelle, Richard Lemal, Aurélie Cabrespine, Cécile Combal, Eric Hermet, Aurélie Ravinet, Jacques-Olivier Bay, Corinne Bouteloup
INTRODUCTION: Malnutrition is common after allogeneic hematopoietic stem cell transplantation (allo-HSCT), and is a well-known prognostic factor for survival. The nutritional status of patients in a long term after allo-HSCT is less well documented. The main objective of this study was to evaluate the prevalence of malnutrition in adult patients who underwent allo-HSCT more than one year ago. Secondary objectives were to assess body composition, muscle strength, and factors associated with malnutrition...
March 28, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28390011/association-between-lifestyle-and-anthropometric-parameters-and-thyroid-nodule-features
#14
Grigorios Panagiotou, Despina Komninou, Panagiotis Anagnostis, George Linardos, Eleni Karoglou, Maria Somali, Leonidas Duntas, Marina Kita, Konstantinos Tziomalos, Kalliopi Pazaitou-Panayiotou
PURPOSE: Thyroid nodularity has been associated with obesity, but data regarding associations of body composition parameters with specific ultrasound features of thyroid nodules are lacking. The aim of the present study was to assess associations between thyroid nodule ultrasound characteristics, lifestyle, and anthropometric parameters. SUBJECTS AND METHODS: This was a cross-sectional study in the general apparently healthy population of Northern Greece. Thyroid ultrasound data together with medical history, demographic, and anthropometric characteristics were individually recorded...
April 8, 2017: Endocrine
https://www.readbyqxmd.com/read/28389119/nutritional-status-among-adolescent-girls-in-children-s-homes-anthropometry-and-dietary-patterns
#15
Tone Berg, Christine Magala-Nyago, Per Ole Iversen
BACKGROUND & AIMS: Malnutrition is widespread among disadvantaged people in low-income countries like Uganda. Children and adolescents living in children's homes are considered an especially vulnerable group, and malnutrition among girls is of particular concern since it has intergenerational consequences. Virtually no information exists about the nutritional status of adolescent girls living in children's homes in Uganda. We therefore conducted a cross-sectional study to assess the nutritional status by evaluating anthropometric indicators, body composition and dietary patterns...
March 25, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28387701/association-between-indices-of-body-composition-and-abnormal-metabolic-phenotype-in-normal-weight-chinese-adults
#16
Lili Xia, Fen Dong, Haiying Gong, Guodong Xu, Ke Wang, Fen Liu, Li Pan, Ling Zhang, Yuxiang Yan, Herbert Gaisano, Yan He, Guangliang Shan
We aimed to determine the association of indices of body composition with abnormal metabolic phenotype, and to examine whether the strength of association was differentially distributed in different age groups in normal-weight Chinese adults. A total of 3015 normal-weight adults from a survey of Chinese people encompassing health and basic physiological parameters was included in this cross-sectional study. We investigated the association of body composition measured by bioelectrical impedance analysis and conventional body indices with metabolically unhealthy normal-weight (MUHNW) adults, divided by age groups and gender...
April 7, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28382898/impact-of-food-and-fluid-intake-on-technical-and-biological-measurement-error-in-body-composition-assessment-methods-in-athletes
#17
Ava Kerr, Gary J Slater, Nuala Byrne
Two, three and four compartment (2C, 3C and 4C) models of body composition are popular methods to measure fat mass (FM) and fat-free mass (FFM) in athletes. However, the impact of food and fluid intake on measurement error has not been established. The purpose of this study was to evaluate standardised (overnight fasted, rested and hydrated) v. non-standardised (afternoon and non-fasted) presentation on technical and biological error on surface anthropometry (SA), 2C, 3C and 4C models. In thirty-two athletic males, measures of SA, dual-energy X-ray absorptiometry (DXA), bioelectrical impedance spectroscopy (BIS) and air displacement plethysmography (BOD POD) were taken to establish 2C, 3C and 4C models...
February 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28382607/frailty-and-primary-sarcopenia-a-review
#18
Eli Carmeli
Increasing longevity, coupled with rising frailty and sarcopenia of aging, significantly affects function and quality of life of older adults. This review discusses the definition, assessment, and management of frailty and sarcopenia, and examines the relationship between them. Medline, Scopus and Psychoinfo databases were searched using the keywords frailty, sarcopenia, aging, and functional disability. The findings are that frailty and sarcopenia are often assessed clinically with such methods such as DeXA, CT scan, MRI, bioelectrical impedance, or anthropometry...
April 6, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28381432/the-effect-of-fluid-overload-on-sleep-apnoea-severity-in-haemodialysis-patients
#19
Owen D Lyons, Toru Inami, Elisa Perger, Azadeh Yadollahi, Christopher T Chan, T Douglas Bradley
As in heart failure, obstructive and central sleep apnoea (OSA and CSA, respectively) are common in end-stage renal disease. Fluid overload characterises end-stage renal disease and heart failure, and in heart failure plays a role in the pathogenesis of OSA and CSA. We postulated that in end-stage renal disease patients, those with sleep apnoea would have greater fluid volume overload than those without.End-stage renal disease patients on thrice-weekly haemodialysis underwent overnight polysomnography on a nondialysis day to determine their apnoea-hypopnoea index (AHI)...
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28381339/association-of-mortality-and-phase-angle-measured-by-different-bioelectrical-impedance-analysis-bia-devices
#20
Laurence Genton, François R Herrmann, Adrian Spörri, Christophe E Graf
PURPOSE: A high phase angle measured by the Nutriguard(®) bioelectrical impedance analysis device is associated with a reduced mortality risk in older people. This retrospective study aims to analyze whether this association persists with the other devices that have been used in our hospital. METHODS: This study encompasses all people 65 yrs and older who underwent a phase angle measurement between 1990 and 2011 at the Geneva University Hospitals, with the RJL-101(®) (RJL Systems), Xitron 4000B(®) (Xitron Technologies), Eugedia(®) (Eugédia-Spengler) and Bio-Z(®) (Spengler)...
March 23, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
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