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https://www.readbyqxmd.com/read/28633874/proportional-bias-between-dual-energy-x-ray-absorptiometry-and-bioelectrical-impedance-analysis-varies-based-on-sex-in-active-adults-consuming-high-and-low-carbohydrate-diets
#1
Grant M Tinsley
Dual-energy x-ray absorptiometry (DXA) and bioelectrical impedance analysis (BIA) are common methods of body composition assessment, but the agreement between these methods varies. Bias between DXA and single-frequency BIA was evaluated at 6 different time points in 48 active male and female adults consuming standardized high- and low-carbohydrate diets. It was hypothesized that fixed and proportional biases exist between DXA and BIA but that the extent of bias does not differ based on sex. Substantial fixed bias was present for estimates obtained by DXA and BIA, and both men and women exhibited proportional bias for fat mass (FM) and fat-free mass (FFM)...
June 2017: Nutrition Research
https://www.readbyqxmd.com/read/28633567/endogenous-bioelectric-signaling-networks-exploiting-voltage-gradients-for-control-of-growth-and-form
#2
Michael Levin, Giovanni Pezzulo, Joshua M Finkelstein
Living systems exhibit remarkable abilities to self-assemble, regenerate, and remodel complex shapes. How cellular networks construct and repair specific anatomical outcomes is an open question at the heart of the next-generation science of bioengineering. Developmental bioelectricity is an exciting emerging discipline that exploits endogenous bioelectric signaling among many cell types to regulate pattern formation. We provide a brief overview of this field, review recent data in which bioelectricity is used to control patterning in a range of model systems, and describe the molecular tools being used to probe the role of bioelectrics in the dynamic control of complex anatomy...
June 21, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28633395/is-sarcopenia-associated-with-depression-a-systematic-review-and-meta-analysis-of-observational-studies
#3
Ke-Vin Chang, Tsai-Hsuan Hsu, Wei-Ting Wu, Kuo-Chin Huang, Der-Sheng Han
Objectives: to explore whether sarcopenia is associated with depression. Design: electronic literature databases from PubMed, Scopus, Embase and Google Scholar were searched. A systematic review and meta-analysis of observational studies was conducted. Setting: community and outpatient clinic. Participants: people with and without diagnoses of sarcopenia. Measurements: outcome measures of depression...
June 14, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28629678/history-of-electromyography-and-nerve-conduction-studies-a-tribute-to-the-founding-fathers
#4
REVIEW
Mohamed Kazamel, Paula Province Warren
The early development of nerve conduction studies (NCS) and electromyography (EMG) was linked to the discovery of electricity. This relationship had been concluded by observing the effect of applying electricity to the body of an animal and discovering that nerves and muscles themselves could produce electricity. We attempt to review the historical evolution of NCS and EMG over the last three centuries by reviewing the landmark publications of Galvani, Adrian, Denny-Brown, Larrabee, and Lambert. In 1771, Galvani showed that electrical stimulation of animal muscle tissue produced contraction and, thereby, the concept of animal electricity was born...
June 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28628739/predictive-validity-of-body-fat-percentage-by-bioimpedance-compared-with-deuterium-oxide-dilution-in-costa-rican-schoolchildren
#5
Juan Diego Zamora Salas, Adriana Laclé-Murray
OBJECTIVE: The purpose of this study was to verify the validity of body fat percentage (BF%) by bioelectrical impedance analysis (BIA) in a sample of Costa Rican schoolchildren. METHODS: The sample consisted of 52 male (mean age 8.1 ± 0.9 years) and 49 female (mean age 7.5 ± 1.0 years) schoolchildren. Deuterium oxide dilution was the reference method used as the "gold standard" to determine the fat mass (FM) expressed as BF%. Linear regression analyses and paired sample t-tests were used to test the association and mean differences between BIA and deuterium oxide dilution BF%...
June 19, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28628394/nutritional-routine-of-tae-kwon-do-athletes-prior-to-competition-what-is-the-impact-of-weight-control-practices
#6
Sousana K Papadopoulou, Vasiliki A Dalatsi, Spyridon K Methenitis, Konstantinos G Feidantsis, Ioannis G Pagkalos, Maria Hassapidou
OBJECTIVE: The purpose of the present study was to investigate and assess the common dietary and weight management strategies of Tae Kwon Do (TKD) athletes prior to national competitions, as well as to examine the relationships between these strategies and body weight reduction and sensation of physical condition. METHODS: Sixty (n = 60) TKD athletes, 23 women (19.4 ± 2.9 years) and 37 men (20.4 ± 3.6 years), with at least 12.1 ± 3.1 years of experience, participated in the present study...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28627197/dietary-antioxidant-quality-score-daqs-is-associated-with-bone-mass-assessed-by-calcaneal-quantitative-ultrasound-in-young-women
#7
María Correa Rodríguez, Jacqueline Schmidt-RioValle, Blanca Rueda-Medina
INTRODUCTION: Evidence suggests that intake of antioxidants could positively influence bone mass by preventing bone metabolism against oxidative stress. OBJECTIVE: We aimed to investigate the possible influence of single antioxidant intakes and dietary antioxidant quality score (DAQs) on calcaneal quantitative ultrasound (QUS) in a population of young adults. METHODS: A total of 605 young Spanish adults participated in this study (median age 20...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28624865/bone-marrow-fat-contributes-to-insulin-sensitivity-and-adiponectin-secretion-in-premenopausal-women
#8
Federica Ermetici, Silvia Briganti, Alessandra Delnevo, Paola Cannaò, Giovanni Di Leo, Stefano Benedini, Ileana Terruzzi, Francesco Sardanelli, Livio Luzi
PURPOSE: Bone marrow fat is a functionally distinct adipose tissue that may contribute to systemic metabolism. This study aimed at evaluating a possible association between bone marrow fat and insulin sensitivity indices. METHODS: Fifty obese (n = 23) and non-obese (n = 27) premenopausal women underwent proton magnetic resonance spectroscopy to measure vertebral bone marrow fat content and unsaturation index at L4 level. Abdominal visceral, subcutaneous fat, and epicardial fat were also measured using magnetic resonance imaging...
June 17, 2017: Endocrine
https://www.readbyqxmd.com/read/28623524/does-a-laparoscopic-approach-attenuate-the-body-weight-loss-and-lean-body-mass-loss-observed-in-open-distal-gastrectomy-for-gastric-cancer-a-single-institution-exploratory-analysis-of-the-jcog-0912-phase-iii-trial
#9
Toru Aoyama, Tsutomu Sato, Tsutomu Hayashi, Takanobu Yamada, Haruhiko Cho, Takashi Ogata, Koji Oba, Takaki Yoshikawa
BACKGROUND: Laparoscopy-assisted distal gastrectomy (LADG) for gastric cancer may prevent the loss of body weight and lean body mass resulting from reduced surgical stress in comparison to open distal gastrectomy (ODG). A multicenter phase III trial conducted by the Japan Clinical Oncology Group (JCOG0912 trial) was performed to confirm the non-inferiority of LADG to ODG for stage I gastric cancer in terms of relapse-free survival. METHODS: This study was performed as a single-institution exploratory analysis using the data of the patients from our hospital who were enrolled in the JCOG0912 phase III trial...
June 16, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28623308/improved-growth-patterns-in-cystic-fibrosis-mice-after-loss-of-histone-deacetylase-6
#10
Sharon M Rymut, Deborah A Corey, Dana M Valerio, Bernadette O Erokwu, Chris A Flask, Thomas J Kelley, Craig A Hodges
Growth failure in cystic fibrosis (CF) patients has been well-documented and shown to correlate with poorer disease outcomes. This observation is also true in CF animal models, including mouse, pig, rat, and ferret. The etiology underlying growth deficits is unknown, and our previous work demonstrated reduced tubulin acetylation in CF cell models and tissue that is correctable by inhibition of histone deacetylase-6 (HDAC6). Here, we hypothesize that loss of HDAC6 will improve growth phenotype in a CF mouse model...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28623055/prevalence-of-adiposity-and-its-association-with-sleep-duration-quality-and-timing-among-9-12-year-old-children-in-guangzhou-china
#11
Jiao Wang, Peymane Adab, Weijia Liu, Yajun Chen, Bai Li, Rong Lin, Wei Liu, Kar Keung Cheng, Miranda Pallan
BACKGROUND: Short sleep duration has been reported to be associated with obesity in children, but findings are not consistent. Since few studies have examined the relationship between more complex sleep characteristics and obesity, we examined the association between adiposity and self-reported sleep duration, bedtime, and sleep quality in 9-12-year-old Chinese children using multilevel mixed models. METHODS: 5518 children aged 9-12 years were recruited from 29 randomly selected primary schools in Guangzhou, China in 2014...
June 13, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28617649/correlation-between-the-severity-of-subcutaneous-echo-free-space-and-the-amount-of-extracellular-fluid-determined-by-bioelectrical-impedance-analysis-of-leg-edema
#12
Kotaro Suehiro, Noriyasu Morikage, Osamu Yamashita, Takasuke Harada, Makoto Samura, Yuriko Takeuchi, Takahiro Mizoguchi, Kaori Nakamura, Kimikazu Hamano
BACKGROUND: Both subcutaneous echo-free space (SEFS) observed by ultrasonography and the ratio of intracellular fluid resistance to extracellular fluid resistance (Ri/Re) calculated from bioelectrical impedance analysis (BIA) represent extracellular edema status in the extremities. We tried to correlate these parameters. METHODS AND RESULTS: In 70 legs with venous edema (VE) and 68 legs with lymphedema (LE), subcutaneous tissue ultrasonography to determine SEFS severity (range, 0-2) and BIA to calculate Ri/Re were performed...
June 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28617545/fluid-status-of-patients-during-the-early-stages-of-continuous-ambulatory-peritoneal-dialysis
#13
L Wang, W Yu, T Wang
OBJECTIVE: The purpose of this paper is to investigate the fluid status of patients in the early stages of continuous ambulatory peritoneal dialysis (CAPD). PATIENTS AND METHODS: A total of 36 patients (13 males and 23 females), hospitalized in the Nephrology CAPD Center, Peking University Third Hospital, and undergoing intubation and CAPD treatment, were recruited in this study. By utilize a bioelectrical impedance analyzer, changes in extracellular fluid and intracellular fluid within the patients' cells, and overall fluid changes were monitored throughout six months following CAPD treatment...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28617401/-the-influence-of-teeth-morphology-on-bioelectrical-activity-of-masticatory-muscles
#14
I M Makeeva, Ya V Samokhlib, N Zh Dikopova
The aim of the study was to reveal correlation of dental morphology and bioelectric activity of masticatory muscles. The study included 76 young adults (47.4% females and 52.6% males) divided in 3 groups according to dental morphology features: intact teeth (26 patients), dental decay in fissures with intact cusps (25 patients), pronounced dental decay with varying degree of crown destruction (25 patients). Electromyography (EMG) was used to document the bioelectric activity (BEA) of temporal and masticatory muscles...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28616247/planarian-regeneration-in-space-persistent-anatomical-behavioral-and-bacteriological-changes-induced-by-space-travel
#15
Junji Morokuma, Fallon Durant, Katherine B Williams, Joshua M Finkelstein, Douglas J Blackiston, Twyman Clements, David W Reed, Michael Roberts, Mahendra Jain, Kris Kimel, Sunia A Trauger, Benjamin E Wolfe, Michael Levin
Regeneration is regulated not only by chemical signals but also by physical processes, such as bioelectric gradients. How these may change in the absence of the normal gravitational and geomagnetic fields is largely unknown. Planarian flatworms were moved to the International Space Station for 5 weeks, immediately after removing their heads and tails. A control group in spring water remained on Earth. No manipulation of the planaria occurred while they were in orbit, and space-exposed worms were returned to our laboratory for analysis...
April 2017: Regeneration
https://www.readbyqxmd.com/read/28614006/fat-free-mass-metabolically-healthy-obesity-and-type-2-diabetes-in-severely-obese-asian-adults
#16
Pornpoj Pramyothin, Vichol Limpattanachart, Suwitcha Dawilai, Rungnapa Sarasak, Chariya Sukaruttanawong, Kusuma Chaiyasoot, Songsri Keawtanom, Preyanuj Yamwong
OBJECTIVE: To determine whether fat-free mass (FFM) is independently associated with the metabolically healthy obesity (MHO) phenotype, the metabolic syndrome (MS), and type 2 diabetes (T2D) in obese Asian adults. METHODS: Obese patients (BMI ≥25 kg/m(2)) seeking weight management at an academic medical center from 2007-2016 were included. FFM was measured by bioelectrical impedance. RESULTS: Of the 552 patients (67.0% female, median age 40...
June 14, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28610968/comparison-of-the-effect-of-sensory-level-and-conventional-motor-level-neuromuscular-electrical-stimulation-on-quadriceps-strength-after-total-knee-arthroplasty-a-prospective-randomized-single-blind-trial
#17
Yosuke Yoshida, Koki Ikuno, Koji Shomoto
OBJECTIVE: To compare sensory-level neuromuscular electrical stimulation (sNMES) and conventional motor- level neuromuscular electrical stimulation (mNMSE ) in patients after total knee arthroplasty (TKA). DESIGN: A prospective randomized single-blind trial. SETTING: A hospital total arthroplasty center: inpatients. PARTICIPANTS: Patients with osteoarthritis (N=66, 85% women, mean age 73.5±6.3y) were randomized to receive either sNMES applied to the quadriceps (the sNMES group), mNMES (the mNMES group), or no stimulation (the Control group) in addition to a standard rehabilitation program...
June 10, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28609470/physical-fitness-and-plasma-leptin-in-women-with-recent-gestational-diabetes
#18
C Gar, M Rottenkolber, H Grallert, F Banning, I Freibothe, V Sacco, C Wichmann, S Reif, A Potzel, V Dauber, C Schendell, N N Sommer, B Wolfarth, J Seissler, A Lechner, U Ferrari
AIMS/HYPOTHESIS: Low physical fitness (PF) is a risk factor for type 2 diabetes mellitus (T2D). Women with a history of gestational diabetes (GDM) are at risk for T2D at a young age, but the role of PF in this population is not clear. PF has also been found to correlate inversely with plasma leptin in previous studies. Here, we examine whether women who had GDM have lower PF than women after a normoglycemic pregnancy and, second, whether PF is associated with plasma leptin, independently of body fat mass...
2017: PloS One
https://www.readbyqxmd.com/read/28603361/validity-of-using-multi-frequency-bioelectrical-impedance-analysis-to-measure-skeletal-muscle-mass-in-preschool-children
#19
Kanako Fujii, Akiko Ishizaki, Ayano Ogawa, Takuya Asami, Hyosong Kwon, Akinobu Tanaka, Noboru Sekiya, Shouji Hironaka
[Purposes] Although it is recommended to develop a habit of physical activities, there is no easy way to measure skeletal muscle mass in preschool children, which cause the difficulty of evaluation. The purpose of this study was to examine the validity of body composition including the skeletal muscle mass assessment using multi-frequency bioelectrical impedance analysis by comparing body fat mass obtained by using multi-frequency bioelectrical impedance analysis method and body mass index formulas. [Subjects and Methods] Ninety-four children were surveyed for age, height, weight, grip strength, maximum occlusal force, thickness of muscle and fat mass (masseter and lower limb), body fat mass, skeletal muscle mass, and calf circumference...
May 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28602463/air-displacement-plethysmography-versus-bioelectrical-impedance-to-determine-body-composition-in-pediatric-hemodialysis-patients
#20
Molly Wong Vega, Poyyapakkam R Srivaths
OBJECTIVE: Protein energy wasting is difficult to assess in pediatric hemodialysis (HD) populations because of fluid shifts. Body composition (BC) analysis aids in monitoring nutrition therapy's effects on fat and lean mass. Air displacement plethysmography (ADP) is a "practical" gold standard for fat mass (FM) measurements. We aim to compare BC measures in a pediatric HD population via anthropometry, ADP, and bioelectrical impedance (BIA). DESIGN: The study was prospective cohort study and the setting was 1 pediatric HD unit in Houston, Texas...
June 8, 2017: Journal of Renal Nutrition
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