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"Bioelectrical impedance"

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https://www.readbyqxmd.com/read/29927888/comparison-of-multifrequency-bioelectrical-impedance-vs-dual-energy-x-ray-absorptiometry-for-assessing-body-composition-changes-after-participation-in-a-10-week-resistance-training-program
#1
Brad J Schoenfeld, Brett S Nickerson, Colin D Wilborn, Stacie L Urbina, Sara B Hayward, James Krieger, Alan A Aragon, Grant M Tinsley
Schoenfeld, BJ, Nickerson, BS, Wilborn, CD, Urbina, SL, Hayward, SB, Krieger, J, Aragon, AA, and Tinsley, G. Comparison of multifrequency bioelectrical impedance vs. dual-energy x-ray absorptiometry for assessing body composition changes after participation in a 10-week resistance training program. J Strength Cond Res XX(X): 000-000, 2018-The purpose of this study was to assess the ability of multifrequency bioelectrical impedance analysis (MF-BIA) to determine alterations in total and segmental body composition across a 10-week resistance training (RT) program in comparison with the criterion reference dual-energy X-ray absorptiometry (DXA)...
June 20, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29927875/depressed-physical-performance-outlasts-hormonal-disturbances-after-military-training
#2
Håvard Hamarsland, Gøran Paulsen, Paul A Solberg, Ole Gunnar Slaathaug, Truls Raastad
INTRODUCTION: The aim of this study was to investigate the effect of an arduous one-week military course on measures of physical performance, body composition and blood biomarkers. METHODS: Participants were apprentices in an annual selection course for the Norwegian Special Forces. Fifteen soldiers (23±4 yrs., 1.81±0.06 m, 78±7 kg) completed a hell-week consisting of rigorous activity only interspersed by 2-3 hours of sleep per day. Testing was conducted before and 0, 1, 3, 7 and 14 days after the hell-week...
June 21, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29925520/mortality-in-adult-patients-with-fluid-overload-evaluated-by-biva-upon-admission-to-the-emergency-department
#3
Ashuin Kammar-García, Ziv Pérez-Morales, Lilia Castillo-Martinez, José Luis Villanueva-Juárez, Fernanda Bernal-Ceballos, Héctor Isaac Rocha-González, Miguel Remolina-Schlig, Thierry Hernández-Gilsoul
PURPOSE OF THE STUDY: The aim of this study was to investigate the association of fluid overload, measured by bioelectrical impedance vector analysis (BIVA) and also by accumulated fluid balance, with 30-day mortality rates in patients admitted to the emergency department (ED). DESIGN: We conducted a prospective observational study of fluid overload using BIVA, taking measures using a multiple-frequency whole-body tetrapolar equipment. Accumulated fluid balances were obtained at 24, 48 and 72 hours from ED admission and its association with 30-day mortality...
June 20, 2018: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29924020/age-and-sex-related-differences-in-body-composition-in-healthy-subjects-aged-18-to-82-years
#4
Xue He, Zishuai Li, Xunhui Tang, Lijun Zhang, Li Wang, Yongjun He, Tianbo Jin, Dongya Yuan
Significant changes in body composition are known to occur with aging. The aim of the present study was to provide a normative reference of body composition and to investigate age and sex-related differences in healthy subjects by multifrequency bioelectrical impedance analyzer (BIA).A cross-sectional study was conducted on a sample of 3451 healthy Chinese adults, 1611 males and 1840 females. The volunteers were enrolled in 5 different age bands (18-30, 31-40, 41-50, 51-60, 60+). All subjects were measured for weight and height and submitted to BIA, to determine body composition...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29916924/how-to-best-assess-abdominal-obesity
#5
Hongjuan Fang, Elizabeth Berg, Xiaoguang Cheng, Wei Shen
PURPOSE OF REVIEW: Abdominal obesity, especially the increase of visceral adipose tissue (VAT), is closely associated with increased mortality related to cardiovascular disease, diabetes, and fatty liver disease. This review provides an overview of the recent advances for abdominal obesity measurement. RECENT FINDINGS: Compared to simple waist circumference, emerging three-dimensional (3D) body-scanning techniques also measure abdominal volume and shape. Abdominal dimension measures have been implemented in bioelectrical impedance analysis to improve accuracy when estimating VAT...
June 18, 2018: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29916089/association-between-skeletal-muscle-mass-and-cardiorespiratory-fitness-in-community-dwelling-elderly-men
#6
Seung-Hyun Boo, Min Cheol Joo, Jeong Mi Lee, Seung Chan Kim, Young Mi Yu, Min-Su Kim
BACKGROUND: Sarcopenia reduces physical ability and cardiorespiratory fitness (CRF), leading to poor quality of life. AIM: The aim of this study was to investigate the relationship between skeletal muscle mass and CRF in elderly men. METHODS: We assessed 102 community-dwelling men over 60 years old. Appendicular skeletal muscle mass (ASM) was determined using bioelectrical impedance analysis, and the skeletal muscle mass index (SMI) was calculated as ASM divided by the square of height...
June 18, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29914668/the-accuracy-of-bioelectrical-impedance-to-track-body-composition-changes-depends-on-the-degree-of-obesity-in-adolescents-with-obesity
#7
David Thivel, Julien Verney, Maud Miguet, Julie Masurier, Charlotte Cardenoux, C Lambert, Daniel Courteix, Lore Metz, Bruno Pereira
The aim of the present study was to assess the sensitivity of bio-impedance (BIA) in tracking body composition changes in adolescents with various degrees of obesity. We hypothesized that while BIA provides a reliable measure of body composition, its accuracy decreases with increasing obesity and its ability to track changes might be reduced with higher degree of body weight and body composition. Whole-body and segmental body composition were assessed by bio-impedance analysis (BIA-Tanita MC-780) and dual x-ray absorptiometry (DXA, Hologic) among 196 obese adolescents (Tanner stage 3-5) aged 14 ± 0...
June 2018: Nutrition Research
https://www.readbyqxmd.com/read/29913450/lower-cognitive-function-in-older-patients-with-lower-muscle-strength-and-muscle-mass
#8
Romee van Dam, Jeanine M Van Ancum, Sjors Verlaan, Kira Scheerman, Carel G M Meskers, Andrea B Maier
BACKGROUND: Low muscle strength and muscle mass are associated with adverse outcomes in older hospitalized patients. The aim of this study was to assess the association between cognitive functioning and muscle strength and muscle mass in hospitalized older patients. METHODS: This prospective inception cohort included 378 patients aged 70 years or older. At admission patients were assessed for cognitive functioning by use of the Six-Item Cognitive Impairment Test (6-CIT)...
June 18, 2018: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/29913228/effects-of-prenatal-exposure-to-cigarettes-on-anthropometrics-energy-intake-energy-expenditure-and-screen-time-in-children
#9
Jameason D Cameron, Éric Doucet, Kristi B Adamo, Mark Walker, Alessandro Tirelli, Joel D Barnes, Kaamel Hafizi, Marisa Murray, Gary S Goldfield
BACKGROUND: Maternal prenatal smoking is associated with downstream childhood obesity. Although animal research suggests reduced resting energy expenditure (REE), decreased physical activity (PA), and increased energy intake as mechanisms, these relationships are unclear in humans. The objectives were to examine the association of prenatal maternal smoking with non-volitional energy expenditure (REE and the thermic effect of feeding [TEF]), child adiposity, energy intake, free-living PA (daily light PA (LPA), daily moderate-to-vigorous PA (MVPA), daily sedentary behavior (SB)), and screen time (television and computer/video game) in children...
June 15, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29912570/the-use-of-a-stem-and-leaf-aqueous-extract-of-cissus-quadrangularis-cqr-300-to-reduce-body-fat-and-other-components-of-metabolic-syndrome-in-overweight-participants
#10
Robert Nash, Boris Azantsa, Dieudonne Kuate, Harrinder Singh, Julius Oben
BACKGROUND: Previous work had shown the ability of an aqueous leaf and stem extract of Cissus quandrangularis (300 mg of CQR, CQR-300) to improve components of metabolic syndrome (MS) in overweight individuals. OBJECTIVE: This small pilot study aimed to confirm the efficacy of CQR-300 in reducing the percentage body fat measured using two different methods-bioelectrical impedance assay versus dual-energy X-ray absorptiometry (DEXA). DESIGN: The study was an 8-week double-blind, placebo-controlled pilot trial on 67 individuals who were requested by a dietary counselor to maintain their normal exercise and dietary routines...
June 18, 2018: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/29910480/determination-of-body-proportion-factor-in-draft-horses-for-the-use-of-bioimpedance-spectroscopy
#11
Persephone R Greco-Otto, Renaud Léguillette
Bioelectrical impedance spectroscopy (BIS) instantly assesses body composition to monitor the effects of diet, competition, and illness, though it requires a body proportion factor (Kb). This study aimed to validate a draft horse-specific Kb. The calculated Kb was 1.42, resulting in significantly lower body composition values, with the exception of fat mass.
June 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29903274/-changes-in-body-composition-of-primary-school-students-from-tianyang-county-guangxi-zhuang-autonomous-region-after-two-years-nutrition-intervention
#12
Ran Zhao, Hui Pan, Qian Gan, Peipei Xu, Li Li, Xiaoqi Hu, Shuang Lin, Tingting Wang, Qian Zhang
OBJECTIVE: To evaluate the effects of two years'nutrition intervention with eggs and milk on the body composition of rural primary school students in Tianyang County, Guangxi Zhuang Autonomous Region. METHODS: Four intervention schools and four control schools were selected randomly from Tianyang County of Guangxi Zhuang Autonomous Region. Both intervention schools and control schools were similar in socialeconomic level, teaching standards, and school size. A total of 672 students(380students in the intervention group and 292 students in the control group)were recruited from the 2nd to the 4th Grade in primary school...
March 2018: Wei Sheng Yan Jiu, Journal of Hygiene Research
https://www.readbyqxmd.com/read/29890212/relationship-of-central-venous-pressure-to-body-fluid-volume-status-and-its-prognostic-implication-in-patients-with-acute-decompensated-heart-failure
#13
Taiki Sakaguchi, Akio Hirata, Kazunori Kashiwase, Yoshiharu Higuchi, Tomohito Ohtani, Yasushi Sakata, Yoshio Yasumura
BACKGROUND: Although central venous pressure (CVP) is a surrogate measure of preload in patients with acute decompensated heart failure (ADHF), it is a multifactorial index influenced not only by fluid volume status, but also by cardiac pump function and other factors. We aimed to elucidate the individual pathophysiologic factors of CVP elevation in ADHF patients by assessing the relationship between CVP and extracellular fluid volume status (EVS). METHODS AND RESULTS: We quantified EVS in 100 ADHF patients using bioelectrical impedance analysis...
June 8, 2018: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29889830/renal-resistive-index-as-an-early-predictor-and-discriminator-of-acute-kidney-injury-in-critically-ill-patients-a-prospective-observational-cohort-study
#14
Jelle L G Haitsma Mulier, Sander Rozemeijer, Jantine G Röttgering, Angelique M E Spoelstra-de Man, Paul W G Elbers, Pieter Roel Tuinman, Monique C de Waard, Heleen M Oudemans-van Straaten
BACKGROUND: Acute kidney injury (AKI) complicates shock. Diagnosis is based on rising creatinine, a late phenomenon. Intrarenal vasoconstriction occurs earlier. Measuring flow resistance in the renal circulation, Renal Resistive Index (RRI), could become part of vital organ function assessment using Doppler ultrasound. Our aim was to determine whether RRI on ICU admission is an early predictor and discriminator of AKI developed within the first week. METHODS: In this prospective cohort of mixed ICU patients with and without shock, RRI was measured <24-h of admission...
2018: PloS One
https://www.readbyqxmd.com/read/29886557/osteosarcopenic-obesity-and-its-relationship-with-dyslipidemia-in-women-from-different-ethnic-groups-of-china
#15
Dan Mo, Peishan Hsieh, Hongrong Yu, Lining Zhou, Jichun Gong, Lin Xu, Peng Liu, Gang Chen, Zhao Chen, Qiongying Deng
OBJECTIVES: To explore the prevalence and ethnic differences of osteosarcopenic obesity (OSO) and dyslipidemia and their relationship among Maonan, Mulam, Hmong, and Yao minorities in China. METHODS: A total of 2315 Maonan, Mulam, Hmong, and Yao women aged 20-95 from Guangxi were included in this study. Questionnaire survey was carried out and their blood lipids were tested. Body compositions were measured by bioelectrical impedance analysis, and T-score was assessed by ultrasonic examination, respectively...
June 9, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29885923/bioelectrical-impedance-analysis-measures-and-clinical-outcomes-in-ckd
#16
Nisha Bansal, Leila R Zelnick, Jonathan Himmelfarb, Glenn M Chertow
RATIONALE & OBJECTIVE: Bioelectrical impedance analysis (BIA) provides a noninvasive assessment of body composition. BIA measures of cell integrity (phase angle) and hydration (vector length) have been associated with mortality among patients receiving dialysis. Whether these measures are associated with clinical outcomes in patients with chronic kidney disease (CKD) is unknown. STUDY DESIGN: Observational study. SETTINGS & PARTICIPANTS: We studied 3,751 participants with CKD in the prospective multicenter Chronic Renal Insufficiency Cohort (CRIC) who had baseline single-frequency BIA performed...
June 6, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29883805/the-relationship-between-masseter-muscle-thickness-and-appendicular-skeletal-muscle-mass-in-japanese-community-dwelling-elders-a-cross-sectional-study
#17
Kento Umeki, Yutaka Watanabe, Hirohiko Hirano, Ayako Edahiro, Yuki Ohara, Hideyo Yoshida, Shuichi Obuchi, Hisashi Kawai, Masaharu Murakami, Daisuke Takagi, Kazushige Ihara, Kentaro Igarashi, Masayasu Ito, Yasuhiko Kawai
PURPOSE OF THE STUDY: Sarcopenia has been identified as a health hazard in elderly people. Although the association between sarcopenia and a decrease in masticatory function has been reported, the mechanism underlying this association has not been widely reported. Therefore, in order to elucidate the relationship between sarcopenia and masticatory function, we examined whether the masseter muscle thickness (MMT), which is a factor influencing masticatory function, in community-dwelling elders is associated with the appendicular skeletal muscle index (SMI), a diagnostic criterion for sarcopenia...
May 29, 2018: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29880741/comparison-between-dual-energy-x-ray-absorptiometry-and-bioelectrical-impedance-analyses-for-accuracy-in-measuring-whole-body-muscle-mass-and-appendicular-skeletal-muscle-mass
#18
Seo Young Lee, Soyeon Ahn, Young Ji Kim, Myoung Jin Ji, Kyoung Min Kim, Sung Hee Choi, Hak Chul Jang, Soo Lim
We evaluate the accuracy of whole body muscle mass (WBMM) and appendicular skeletal muscle mass (ASMM) assessed by bioelectrical impedance analysis (BIA) using an InBody770 machine (InBody, Seoul, Korea) referenced to dual-energy X-ray absorptiometry (DXA) in 507 people (mean age 63.7 ± 10.8 years, body mass index (BMI) 25.2 ± 3.5 kg/m²). Mean WBMMs measured by BIA and DXA were 49.3 ± 6.6 kg and 46.8 ± 6.5 kg in men and 36.1 ± 4.7 kg and 34.0 ± 4.8 kg in women, respectively. The respective effect sizes and 95% confidence intervals (CIs) for the difference were 2...
June 7, 2018: Nutrients
https://www.readbyqxmd.com/read/29879146/bioelectrical-impedance-vector-analysis-biva-in-sport-and-exercise-systematic-review-and-future-perspectives
#19
Jorge Castizo-Olier, Alfredo Irurtia, Monèm Jemni, Marta Carrasco-Marginet, Raúl Fernández-García, Ferran A Rodríguez
BACKGROUND: Bioelectrical impedance vector analysis (BIVA) is a general concept that includes all methodologies used in the analysis of the bioelectrical vector, whereas the "classic" BIVA is a patented methodology included among these methods of analysis. Once this was clarified, the systematic review of the literature provides a deeper insight into the scope and range of application of BIVA in sport and exercise. OBJECTIVE: The main goal of this work was to systematically review the sources on the applications of BIVA in sport and exercise and to examine its usefulness and suitability as a technique for the evaluation of body composition, hydration status, and other physiological and clinical relevant characteristics, ultimately to trace future perspectives in this growing area, including a proposal for a research agenda...
2018: PloS One
https://www.readbyqxmd.com/read/29877584/sarcopenia-is-an-independent-risk-factor-for-advanced-colorectal-neoplasia
#20
Ji Taek Hong, Tae Jun Kim, Jeung Hui Pyo, Eun Ran Kim, Sung Noh Hong, Young-Ho Kim, Hyeon Seon Ahn, Insuk Sohn, Dong Kyung Chang
BACKGROUND AND AIM: Sarcopenia is a pathological condition characterized by the progressive loss of muscle mass and increased amount of visceral fat. Recent evidence has revealed that sarcopenia is associated with certain diseases. However, the impact of sarcopenia on colorectal neoplasia has not been documented clearly. We studied the association between sarcopenia and advanced colorectal neoplasia in a large screening population. METHODS: This cross-sectional study included 14,024 asymptomatic adults who underwent first-time screening colonoscopy...
June 7, 2018: Journal of Gastroenterology and Hepatology
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