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https://www.readbyqxmd.com/read/28727018/evaluation-of-electrical-broad-bandwidth-impedance-spectroscopy-as-a-tool-for-body-composition-measurement-in-cows-in-comparison-with-body-measurements-and-the-deuterium-oxide-dilution-method
#1
C T Schäff, U Pliquett, A Tuchscherer, R Pfuhl, S Görs, C C Metges, H M Hammon, C Kröger-Koch
Body fatness and degree of body fat mobilization in cows vary enormously during their reproduction cycle and influence energy partitioning and metabolic adaptation. The objective of the study was to test bioelectrical impedance spectroscopy (BIS) as a method for predicting fat depot mass (FDM), in living cows. The FDM is defined as the sum of subcutaneous, omental, mesenteric, retroperitoneal, and carcass fat mass. Bioelectrical impedance spectroscopy is compared with the prediction of FDM from the deuterium oxide (DO) dilution method and from body conformation measurements...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28722029/effects-of-procedure-upright-equilibrium-time-sex-and-bmi-on-the-precision-of-body-fluid-measurements-using-bioelectrical-impedance-analysis
#2
S Thurlow, G Taylor-Covill, P Sahota, B Oldroyd, K Hind
BACKGROUND/OBJECTIVES: Extensive work has addressed the validity of bioimpedance (BIA) measurements and the effect of posture on fluid homeostasis. However, limited research has investigated effects of subject preparation. This study aimed to determine the precision of total body water (TBW) and extracellular water (ECW) measurements using a stand-on multifrequency BIA (MFBIA seca mBCA 514/515), in three pre-test procedures: supine, sitting, and following walking, with specific reference to the influence of sex and body mass index (BMI)...
July 19, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28721152/clinical-syntax-score-a-good-predictor-for-renal-artery-stenosis-in-acute-myocardial-infarction-patients-analysis-from-the-ren-acs-trial
#3
Alexandru Burlacu, Dimitrie Siriopol, Ionut Nistor, Luminita Voroneanu, Igor Nedelciuc, Cristian Statescu, Adrian Covic
INTRODUCTION: In ST-elevation myocardial infarction (STEMI) patients, multisite artery disease represents a serious issue influencing evolution, outcomes and prognosis. We evaluated for the first time the power of the Myocardial Infarction SYNTAX Score (MI SS) and Clinical SYNTAX Score (MI CSS) as predictors for renal artery stenosis (RAS) in STEMI. We also stratified the study population according to the two scores, and identified the variables correlated with the higher score. MATERIAL AND METHODS: We used data from the REN-ACS study, which included 181 consecutive patients prospectively investigated for presence of RAS (through renal angiography), arterial stiffness (carotid-femoral pulse wave velocity, cf-PWV) and hydration status (bioimpedance)...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28715436/use-of-water-turnover-method-to-measure-mother-s-milk-flow-in-a-rat-model-application-to-dams-receiving-a-low-protein-diet-during-gestation-and-lactation
#4
Thomas Sevrin, Marie-Cécile Alexandre-Gouabau, Dominique Darmaun, Antoine Palvadeau, Agnès André, Patrick Nguyen, Khadija Ouguerram, Clair-Yves Boquien
Assessment of milk production is of utmost relevance for pediatricians and scientists interested in early life nutrition. The weight-suckle-weight (WSW) method, which consists of weighing babies before and after they suckle their mother, uses the difference in body weight as an estimate of milk intake. However, this is prone to many sources of error. In the current study, we used for the first time the water turnover method and compartmental analysis with deuterated water (D2O) as a non-toxic tracer to quantify in vivo milk production in a rat model...
2017: PloS One
https://www.readbyqxmd.com/read/28714769/effects-of-meridian-acupressure-massage-on-body-composition-edema-stress-and-fatigue-in-postpartum-women
#5
Geum-Sook Jung, In-Ryoung Choi, Hee-Young Kang, Eun-Young Choi
OBJECTIVES: This study aims to investigate the effects of meridian acupressure massage on body composition, edema, stress, and fatigue in postpartum women. DESIGN: A quasi-experimental design with a nonequivalent control group was utilized. SETTINGS/LOCATION: The Postpartum Care Center of Women's Hospital in Gwangju City, Republic of Korea. SUBJECTS: The study group consisted of 39 postpartum women, 19 in the experimental group and 20 in the control group, recruited from the postpartum care center of Women's Hospital in Gwangju city, South Korea...
July 17, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28712143/reliability-of-the-echomri-infants-system-for-water-and-fat-measurements-in-newborns
#6
Tatiana Toro-Ramos, Charles Paley, William W Wong, F Xavier Pi-Sunyer, Wen W Yu, John Thornton, Dympna Gallagher
OBJECTIVE: The precision and accuracy of a quantitative magnetic resonance (EchoMRI Infants) system in newborns were determined. METHODS: Canola oil and drinking water phantoms (increments of 10 g to 1.9 kg) were scanned four times. Instrument reproducibility was assessed from three scans (within 10 minutes) in 42 healthy term newborns (12-70 hours post birth). Instrument precision was determined from the coefficient of variation (CV) of repeated scans for total water, lean mass, and fat measures for newborns and the mean difference between weight and measurement for phantoms...
July 16, 2017: Obesity
https://www.readbyqxmd.com/read/28699923/the-effects-of-moderate-versus-high-load-resistance-training-on-muscle-growth-body-composition-and-performance-in-collegiate-women
#7
Jason M Cholewa, Fabricio E Rossi, Christopher MacDonald, Amy Hewins, Samantha Gallo, Ashley Micenski, Layne Norton, Bill I Campbell
Twenty young women (20.3+1.5 years, 164+6 cm, 68.7+13.8 kg) without prior structured resistance training experience were recruited for this study. Body composition (BodPod), compartmental water (Bioelectrical Impedance), 7-site skinfold, and arm and thigh CSA were assessed pre- and post- 8 week training. Performance testing consisted of vertical jump, 3 kg chest pass initial velocity, squat 1RM and overhead press 1RM. Following 2 weeks of familiarization training, subjects were matched for body composition and relative squat strength, and randomly assigned to either a high- (HL: n=10; 4 sets of 5-7 repetitions) or moderate-load (ML: n=10; 2 sets of 10-14 repetitions) group that completed 6-7 exercises per day performed to momentary muscular failure...
June 2, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28696993/special-communication-of-a-case-of-hypovolemic-associated-eah-lessons-learned-during-recovery
#8
Tamara Hew-Butler, Rus Hamilton, Bridget Hamilton, Zachary Colesa
Severe exercise-associated hyponatremia (EAH) is largely dilutional, whereas contributions of sodium loss remain equivocal. We present a case of EAH with encephalopathy involving an experienced male cyclist with no recollection of the event. We thereby conducted a retrospective analysis of biochemical trajectories during hospital recovery. The normalization of serum [Na], in context with changes in other variables, offered a 'reverse' perspective of the underlying pathophysiology. The following biochemical changes were temporally observed, with the return of normonatremia: 1) a decrease in serum potassium and calcium concentrations (absence of extracellular fluid dilution); 2) a decrease in total protein, blood urea nitrogen, hematocrit and hemoglobin (plasma volume expansion); and 3) an increase in mean platelet and red cell corpuscular volumes (cellular expansion after total body water and sodium deficits)...
July 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28696961/current-body-composition-measurement-techniques
#9
Thaisa Lemos, Dympna Gallagher
PURPOSE OF REVIEW: The current article reviews the most innovative and precise, available methods for quantification of in-vivo human body composition. RECENT FINDINGS: Body composition measurement methods are continuously being perfected. Ongoing efforts involve multisegmental and multifrequency bioelectrical impedance analysis, quantitative magnetic resonance for total body water, fat, and lean tissue measurements, imaging to further define ectopic fat depots...
July 10, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/28676984/the-regulation-of-heat-shock-proteins-in-response-to-dehydration-in-xenopus-laevis
#10
Bryan E Luu, Sanoji Wijenayake, Amal I Malik, Kenneth B Storey
African clawed frogs (Xenopus laevis) endure bouts of severe drought in their natural habitats and survive the loss of approximately 30% of total body water due to dehydration. To investigate molecular mechanisms employed by X. laevis during periods of dehydration, the heat shock protein response, a vital component of the cytoprotective stress response, was characterized. Using western immunoblotting and multiplex technology, the protein levels of HSP27, HSP40, HSP60, HSP70, HSC70, and HSP90 were quantified in the liver, skeletal muscle, kidney, lung, and testes from control frogs and those that underwent medium or high dehydration (~16 or ~30% loss of total body water)...
July 5, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28676829/changes-in-body-water-caused-by-sleep-deprivation-in-taeeum-and-soyang-types-in-sasang-medicine-prospective-intervention-study
#11
Seung Min Hong, Byung Joo Kim, Seungwon Shin, Minwoo Hwang
BACKGROUND: There is a negative relationship between sleep deprivation and health. However, no study has investigated the effect of sleep deprivation on individuals with different body composition. The aim of this study was to determine the differential effect of sleep deprivation in individuals with different body compositions (fluid) according to Soyang type (SY) and Taeeum type (TE). METHODS: Sixty-two cognitively normal, middle-aged people with normal sleep patterns were recruited from the local population...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28676555/composition-of-two-week-change-in-body-weight-under-unrestricted-free-living-conditions
#12
Surabhi Bhutani, Eva Kahn, Esra Tasali, Dale A Schoeller
The composition of weight change has a large impact on energy balance calculations. Composition of long-term weight change interventions is well-documented, but information on short-term weight change under unrestricted free-living conditions is limited. The composition and energy density of the changes in body weight during 2-week free-living conditions were analyzed in adults from two cohorts: cohort 1 (n = 24) included participants from the reproducibility subset of the Observing Protein and Energy Nutrition study; cohort 2 (n = 22) included participants who were studied under free-living conditions in an ongoing study in the Chicago area...
July 2017: Physiological Reports
https://www.readbyqxmd.com/read/28675827/hyperglycemia-induced-hyponatremia-reevaluation-of-the-na-correction-factor
#13
Matthew B Wolf
This study addresses the clinically important relationship between the decreases in plasma Na(+) and the increases in plasma glucose concentrations seen in diabetes and other hyperglycemic syndromes. This plasma 'Na(+) correction factor', is generally accepted as 1.6mM Na(+) per 100mg% glucose (0.29mM/mM in SI units) assuming osmotic equilibrium, although much larger numbers have been measured in experiments on normal humans. To resolve this controversy, a mathematical model of whole-body fluid-electrolyte balance was used to perform the experiment wherein plasma glucose concentration was increased to diabetic levels and the plasma Na(+) concentration changes assessed, without the complications seen in human experiments...
June 29, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28665828/monitoring-volume-status-using-bioelectrical-impedance-analysis-in-chronic-hemodialysis-patients
#14
Chae Rim Kim, Jung-Ho Shin, Jin Ho Hwang, Su Hyun Kim
Fluid overload can be an independent risk factor of cardiovascular events and all-cause death in end-stage renal disease (ESRD) patients on chronic hemodialysis. We performed a retrospective study to investigate whether intermittent control of fluid status decreases the rate of these complications using bioelectrical impedance analysis (BIA). In ESRD patients on chronic hemodialysis, we identified the ratio of extracellular water to total body water (ECW/TBW) every 6 months using InBody S10 (Biospace, Seoul, Korea), which was measured within 30 minutes after dialysis initiation on the first dialysis day of the week...
June 24, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28658347/circulating-omentin-1-might-be-associated-with-metabolic-health-status-in-different-phenotypes-of-body-size
#15
Shahab Alizadeh, Khadijeh Mirzaei, Chonur Mohammadi, Seyed Ali Keshavarz, Zhila Maghbooli
Objective: Adipokines are mediators of body composition and are involved in obesity complications. This study aimed to assess the association of circulating omentin-1, vaspin, and RBP-4 with body composition indices and metabolic health status (MHS) in different phenotypes of body size. Subjects and methods: A total of 350 subjects were included in the current cross-sectional study. Body composition was measured using a body composition analyzer, and serum concentrations of omentin-1, vaspin, and RBP-4 were assessed by ELISA kits...
June 26, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28642474/comparing-dna-enrichment-of-proliferating-cells-following-administration-of-different-stable-isotopes-of-heavy-water
#16
Don E Farthing, Nataliya P Buxbaum, Philip J Lucas, Natella Maglakelidze, Brittany Oliver, Jiun Wang, Kevin Hu, Ehydel Castro, Catherine V Bare, Ronald E Gress
Deuterated water ((2)H2O) is a label commonly used for safe quantitative measurement of deuterium enrichment into DNA of proliferating cells. More recently, it has been used for labeling proteins and other biomolecules. Our in vitro - in vivo research reports important stable isotopic labeling enrichment differences into the DNA nucleosides and their isotopologues (e.g. deoxyadenosine (dA) M + 1, dA M + 2, dA M + 3), as well as tumor cell proliferation effects for various forms of commercially available stable heavy water ((2)H2O, H2(18)O, and (2)H2(18)O)...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28614810/assessing-a-tool-for-self-monitoring-hydration-using-urine-color-in-pregnant-and-breastfeeding-women-a-cross-sectional-online-survey
#17
Marion Rigaud, Camila Sevalho Corçao, Erica T Perrier, Sabine Boesen-Mariani
BACKGROUND: Pregnant and breastfeeding women experience great changes in their total body water content and water dynamics. To support the accretion of total body water during pregnancy and compensate for the water lost through breast milk during breastfeeding, increased adequate intakes (AI) for total water have been established by various health authorities. Despite this widespread advice, several studies suggest that pregnant and breastfeeding women do not meet the AI for total water, suggesting the need to raise women's awareness on the importance of adequate water intake, particularly during pregnancy and breastfeeding, as well as to provide them with a simple means of monitoring their hydration on a day-to-day basis...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28597613/the-use-of-steroids-by-gym-athletes-an-attempt-to-diagnose-the-problem-scale-and-possible-causes
#18
Katarzyna Gwizdek, Anna Brzęk, Monika Bąk-Sosnowska, Anna Dittfeld, Andrzej Knapik, Damian Ziaja
BACKGROUND: Anabolic-androgenic steroids (AAS) are said to be frequently used by both professional and amateur athletes. In addition to having a negative impact on health, steroids defy the concept of fair play. DESIGN: observational study. SETTING: other - Gyms. AIM: The aim of the study was to evaluate the scale of the problem related to using anabolic- androgenic steroids (AAS) by gym athletes and to analyze possible causes...
June 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28570949/does-hypoxia-play-a-role-in-the-development-of-sarcopenia-in-humans-mechanistic-insights-from-the-caudwell-xtreme-everest-expedition
#19
Liesl Wandrag, Mario Siervo, Heather L Riley, Maryam Khosravi, Bernadette O Fernandez, Carl A Leckstrom, Daniel S Martin, Kay Mitchell, Denny Z H Levett, Hugh E Montgomery, Monty G Mythen, Michael A Stroud, Michael P W Grocott, Martin Feelisch
OBJECTIVES: Sarcopenia refers to the involuntary loss of skeletal muscle and is a predictor of physical disability/mortality. Its pathogenesis is poorly understood, although roles for altered hypoxic signaling, oxidative stress, adipokines and inflammatory mediators have been suggested. Sarcopenia also occurs upon exposure to the hypoxia of high altitude. Using data from the Caudwell Xtreme Everest expedition we therefore sought to analyze the extent of hypoxia-induced body composition changes and identify putative pathways associated with fat-free mass (FFM) and fat mass (FM) loss...
May 8, 2017: Redox Biology
https://www.readbyqxmd.com/read/28564640/impact-of-diabetes-on-extracellular-volume-status-in-patients-initiating-peritoneal-dialysis
#20
Aniema Udo, Catriona Goodlad, Andrew Davenport
BACKGROUND: Recent reports have highlighted that diabetic patients with kidney failure are at increased risk of technique failure and transfer to haemodialysis within 90 days of initiating peritoneal dialysis (PD). We wished to determine whether there were differences between diabetic and non-diabetic patients within the first 3 months of starting PD. METHODS: We reviewed results of corresponding bioimpedance and the 1st test of peritoneal membrane function (PET) in consecutive patients, 6-10 weeks after initiating PD electively...
2017: American Journal of Nephrology
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