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https://www.readbyqxmd.com/read/29708859/bioimpedance-patterns-and-bioelectrical-impedance-vector-analysis-biva-of-road-cyclists
#1
Andrea Giorgi, Maurizio Vicini, Luca Pollastri, Erica Lombardi, Emilio Magni, Andrea Andreazzoli, Marco Orsini, Marco Bonifazi, Henry Lukaski, Hannes Gatterer
Bioelectrical impedance vector-analysis (BIVA) describes cell-mass, cell function and hydration status of an individual or a group. The goal of the present investigation was to provide bioelectrical impedance data for 525 male road cyclists (155 professionals, 79 elite, 59 elite-youth, and 232 amateurs) at the time of their optimal performance level. Data were plotted on the resistance-reactance (R-Xc) graph to characterize cyclists group vectors using BIVA. Compared to the general male population, the mean vector position of the road cyclists indicates a higher body cell mass (BCM) and phase angle (p<0...
April 30, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29655777/body-composition-evaluated-by-body-mass-index-and-bioelectrical-impedance-vector-analysis-in-women-with-rheumatoid-arthritis
#2
Juan Antonio Pineda-Juárez, Mariel Lozada-Mellado, Midori Ogata-Medel, Andrea Hinojosa-Azaola, Cira Santillán-Díaz, Luis Llorente, Arturo Orea-Tejeda, Jorge Alcocer-Varela, Rolando Espinosa-Morales, Marco González-Contreras, Lilia Castillo-Martínez
BACKGROUND: Rheumatoid arthritis (RA) is a complex inflammatory disease that modifies body composition. Although body mass index (BMI) is one of the clinical nutrition tools widely used to assess indirectly nutritional status, it is not able to identify these body alterations. Bioelectrical Vector Analysis (BIVA) is an alternative method to assess hydration and body cell mass of patients with wasting conditions. OBJECTIVE: To investigate the differences in nutrition status according to BMI groups (normal, overweight and obesity) and BIVA classification (cachectic and non-cachectic) in women with RA...
February 12, 2018: Nutrition
https://www.readbyqxmd.com/read/29629505/marijuana-promotion-online-an-investigation-of-dispensary-practices
#3
Patricia A Cavazos-Rehg, Melissa J Krauss, Elizabeth Cahn, Kiriam Escobar Lee, Erin Ferguson, Biva Rajbhandari, Shaina J Sowles, Glennon M Floyd, Carla Berg, Laura J Bierut
Marijuana product advertising will become more common, as the use of medical and/or recreational marijuana becomes increasingly legal in the USA. In this study, we investigate the marketing tactics being used on marijuana dispensary websites in the USA that could influence substance use behaviors. One hundred dispensary websites were randomly selected from 10 states that allowed the legal use of medical or recreational marijuana and had at least 10 operational dispensaries. Three dispensaries were excluded due to non-functioning websites, leaving a sample of 97 dispensaries...
April 9, 2018: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/29579149/genetic-differentiation-in-cauline-leaf-specific-wettability-of-a-rosette-forming-perennial-arabidopsis-from-two-contrasting-montane-habitats
#4
Biva Aryal, Wataru Shinohara, Mie N Honjo, Hiroshi Kudoh
Background and Aims: An altitudinal gradient of leaf wettability is often observed between and within species. To understand its functional significance, positional variation of leaf surfaces within plants should be taken into account. In rosette-forming plants, rosette leaves are near the ground and their adaxial surfaces are exposed, whereas cauline leaves are lifted from the ground throughout the reproductive season, and their abaxial surfaces are more exposed. Here, we investigated leaf wettability of cauline and rosette leaves of Arabidopsis halleri subsp...
March 20, 2018: Annals of Botany
https://www.readbyqxmd.com/read/29545517/sperm-activation-through-orbital-and-self-axis-revolutions-using-an-artificial-cilia-embedded-serpentine-microfluidic-platform
#5
Bivas Panigrahi, Chang-Hung Lu, Neha Ghayal, Chia-Yuan Chen
The zebrafish sperm activation profoundly depends upon the homogeneous mixing of the sperm cells with its diluent in a quick succession as it alters the cell's extracellular medium and initiates their motility. Manual stirring, the traditional method for zebrafish sperm activation is tedious, time-consuming, and has a poor outcome. In this aspect, an artificial cilia embedded serpentine microfluidic is designed through which hydrodynamic factors of the microfluidic environment can be precisely regulated to harness uniform mixing, hence ensuring a superior sperm activation...
March 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29479803/a-0-2-v-micro-electromechanical-switch-enabled-by-a-phase-transition
#6
Kaichen Dong, Hwan Sung Choe, Xi Wang, Huili Liu, Bivas Saha, Changhyun Ko, Yang Deng, Kyle B Tom, Shuai Lou, Letian Wang, Costas P Grigoropoulos, Zheng You, Jie Yao, Junqiao Wu
Micro-electromechanical (MEM) switches, with advantages such as quasi-zero leakage current, emerge as attractive candidates for overcoming the physical limits of complementary metal-oxide semiconductor (CMOS) devices. To practically integrate MEM switches into CMOS circuits, two major challenges must be addressed: sub 1 V operating voltage to match the voltage levels in current circuit systems and being able to deliver at least millions of operating cycles. However, existing sub 1 V mechanical switches are mostly subject to significant body bias and/or limited lifetimes, thus failing to meet both limitations simultaneously...
April 2018: Small
https://www.readbyqxmd.com/read/29413107/bioimpedance-parameters-in-adolescent-athletes-in-relation-to-bone-maturity-and-biochemical-zinc-indices
#7
Josely Correa Koury, Astrogildo Vianna de Oliveira-Junior, Mariana Ribeiro Costa Portugal, Karla de Jesus Fernandes de Oliveira, Carmen Marino Donangelo
Phase angle (PA) is derived from resistance and reactance determined by bioimpedance analysis (BIA) and it appears to relate to cellular stability and integrity. Interpretation of PA values could be complemented by bioelectrical impedance vector analysis (BIVA), which relates to body hydration and structure. Body composition, age, sex, and nutrients are known to stabilize cell membranes, such as zinc, have been related to PA although information is scarce in adolescent athletes. The aim of the present study was to assess the association of body composition, skeletal maturity and zinc biochemical indices with phase angle and bioelectrical impedance parameters, in forty male adolescent soccer athletes (13...
March 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29175393/total-body-and-arm-bioimpedance-in-patients-with-alzheimer-s-disease
#8
Elena Mereu, Valeria Succa, Roberto Buffa, Cinzia Sanna, Rosa Maria Mereu, Olga Catte, Elisabetta Marini
PURPOSE OF THE RESEARCH: To analyse body composition of patients with Alzheimer's disease (AD) using total body and localized specific bioelectrical impedance vector analysis (specific BIVA). METHOD: 127 patients (50 men, 78.2±6.3years; 77 women, 81.4±6.8years) with mild to moderate stages of AD were selected from the Geriatric Division, SS. Trinità Hospital of Cagliari (Italy). A sample of 135 healthy age-matched individuals (74 men, 77.4±5.3years; 61 women, 80...
February 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29132737/discordance-between-bioelectrical-impedance-vector-analysis-and-the-new-espen-definition-of-malnutrition-for-the-diagnosis-of-hospital-malnutrition
#9
Edgar Dehesa-López, Jesús Israel Martínez-Felix, Arturo Ruiz-Ramos, Ximena Atilano-Carsi
BACKGROUND & AIMS: No universally accepted diagnostic criteria for malnutrition are available to date. The aim was to assess the concordance for the diagnosis of hospital malnutrition between the bioelectrical impedance vector analysis (BIVA) and the new definition of malnutrition proposed by the European Society for Clinical Nutrition and Metabolism (ESPEN). METHODS: A total of 140 adult hospitalized patients were included. The malnutrition risk was assessed by the Nutritional Risk Screening...
April 2017: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29130711/combined-assessment-of-nutritional-status-in-patients-with-peritoneal-dialysis-using-bioelectrical-impedance-vectors-and-malnutrition-inflammation-score
#10
Elia Muñoz-Pérez, María De Los Ángeles Espinosa-Cuevas, Paola Vanessa Miranda-Alatriste, Ricardo Correa-Rotter, Ximena Atilano-Carsi
BACKGROUND AND OBJECTIVE: Protein energy wasting (PEW) is a common syndrome in patients with chronic kidney disease, related to changes in hydration status, decreased food intake and inflammation. There are several tools for the assessment and diagnosis of such alterations. Bioimpedance vector analysis (BIVA) assess the state of nutrition and hydration, but not the inflammatory component, while the malnutrition inflammation score (MIS) comprises the inflammatory and nutritional factors, but not the state of hydration...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29119481/prevalence-of-rheumatoid-cachexia-assessed-by-bioelectrical-impedance-vector-analysis-and-its-relation-with-physical-function
#11
Cira Santillán-Díaz, Noemi Ramírez-Sánchez, Rolando Espinosa-Morales, Arturo Orea-Tejeda, Luis Llorente, Gerardo Rodríguez-Guevara, Lilia Castillo-Martínez
Rheumatoid arthritis (RA) patients frequently have changes in their body composition, with a decrease in muscle mass and an increase in fat mass, a syndrome that is termed rheumatoid cachexia (RC). The prevalence of this nutritional alteration is not well known; there is as yet no consensus, seeing as it depends on the methods, techniques, and cutoff points that are used for its diagnosis. The main aim of this study was to identify RC through assessment by bioelectrical impedance vector analysis (BIVA) and its association with metabolic causes, physical function, and the main disease status, among others...
March 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29111907/bioelectrical-impedance-vector-analysis-in-healthy-term-infants-in-the-first-three-months-of-life-in-brazil
#12
Roseli Borges Donegá Toffano, Elaine Hillesheim, Ana Vitoria Barban Margutti, José Simon Camelo Junior, Ivan Savioli Ferraz, Luiz Antonio Del Ciampo, Jacqueline Pontes Monteiro
OBJECTIVE: Bioelectrical impedance vectorial analysis (BIVA) can be considered a favorable method for evaluation and monitoring of nutritional and hydration status without assumptions regarding body composition or requirement of prediction formulas. The present study aimed to determine bivariate tolerance intervals of the whole-body impedance vector for healthy term infants aged 1 to 3 months. METHODS: This is a descriptive cross-sectional study. Anthropometric and bioelectrical impedance data (800 mA-50 kHz) were obtained...
February 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29035594/total-body-water-dynamics-estimated-with-bioelectrical-impedance-vector-analysis-and-b-type-natriuretic-peptide-after-exposure-to-hypobaric-hypoxia-a-field-study
#13
Giacomo Strapazzon, Matiram Pun, Tomas Dal Cappello, Emily Procter, Piergiorgio Lochner, Hermann Brugger, Antonio Piccoli
Strapazzon, Giacomo, Matiram Pun, Tomas Dal Cappello, Emily Procter, Piergiorgio Lochner, Hermann Brugger, and Antonio Piccoli. Total body water dynamics estimated with bioelectrical impedance vector analysis and B-type natriuretic peptide after exposure to hypobaric hypoxia: A field study. High Alt Med Biol. 18:384-391, 2017.-The relationship between total body water (TBW) dynamics and N-terminal pro-B-type natriuretic peptide (NT-proBNP), a stable metabolite of B-type natriuretic peptide, during acute high altitude exposure is not known...
December 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28833859/supraventricular-tachycardia-pregnancy-and-water-a-new-insight-in-lifesaving-treatment-of-rhythm-disorders
#14
Francesco Massari, Pietro Scicchitano, Angela Potenza, Marco Sassara, Mariella Sanasi, Mariarosa Liccese, Marco Matteo Ciccone, Pasquale Caldarola
Pregnancy may predispose to paroxysmal supraventricular tachycardia (SVT), in subjects with or without identifiable heart disease. Many physiological conditions such as autonomic nervous system changes, altered systemic hemodynamics, etc. can contribute to the onset of arrhythmias during pregnancy. Some cases reported the occurrence of arrhythmias in relation to systemic fluid variations. We report the case of a pregnant woman who experienced SVT due to fluid depletion, detected by bioimpedance vector analysis (BIVA), which was successfully treated by water repletion under tight BIVA monitoring...
August 19, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28792014/applicability-of-the-direct-parameters-of-bioelectrical-impedance-in-assessing-nutritional-status-and-surgical-complications-of-women-with-gynecological-cancer
#15
I C R Cardoso, M A Aredes, G V Chaves
BACKGROUND/OBJECTIVES: Bioelectrical impedance vector analysis (BIVA) has been considered a promising technique in monitoring the nutritional and hydration status of patients with different types of diseases. The aim of this study was to assess the nutritional status provided by direct parameters of bioelectrical impedance analysis (BIA), BIVA and phase angle (PA), in patients with cervical and endometrial cancer undergoing surgical treatment, associating to other parameters of nutritional status and surgical outcomes...
November 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28756354/a-latent-class-analysis-of-poly-marijuana-use-among-young-adults
#16
Melissa J Krauss, Biva Rajbhandari, Shaina J Sowles, Edward L Spitznagel, Patricia Cavazos-Rehg
INTRODUCTION: With more states legalizing marijuana use, the marijuana industry has grown, introducing a variety of marijuana products. Our study explores the use of multiple marijuana products (poly-marijuana use) and the characteristics associated with this behavior. METHODS: Past-month marijuana users aged 18-34years were surveyed online via an existing online panel (n=2444). Participants answered questions about past-month use of three types of marijuana (plant-based, concentrates, edibles), marijuana use patterns, and driving after use...
December 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28731003/consolidation-chemotherapy-after-concurrent-chemoradiotherapy-in-locally-advanced-nonsquamous-non-small-cell-lung-cancer-when-in-whom-and-how-much
#17
Bivas Biswas, Deepak Dabkara, Sandip Ganguly, E Prasad
No abstract text is available yet for this article.
January 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/28723739/efficacy-and-safety-of-bivalirudin-versus-heparin-in-patients-with-diabetes-mellitus-undergoing-percutaneous-coronary-intervention-a-meta-analysis-of-randomized-controlled-trials
#18
COMPARATIVE STUDY
Juan Zhang, Xinchun Yang
BACKGROUND: The efficacy and safety of bivalirudin (Biva) versus heparin in patients with diabetes mellitus (DM) who undergo percutaneous coronary intervention (PCI) remain controversial. Our meta-analysis was undertaken to evaluate the efficacy and safety of Biva compared with those of heparin in patients with diabetes undergoing PCI. METHODS: We searched PubMed, EMBASE, Cochrane Library, and Clinical Trials.gov databases for randomized controlled trials (RCTs)...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28709232/coupling-conditions-for-globally-stable-and-robust-synchrony-of-chaotic-systems
#19
Suman Saha, Arindam Mishra, E Padmanaban, Sourav K Bhowmick, Prodyot K Roy, Bivas Dam, Syamal K Dana
We propose a set of general coupling conditions to select a coupling profile (a set of coupling matrices) from the linear flow matrix of dynamical systems for realizing global stability of complete synchronization (CS) in identical systems and robustness to parameter perturbation. The coupling matrices define the coupling links between any two oscillators in a network that consists of a conventional diffusive coupling link (self-coupling link) as well as a cross-coupling link. The addition of a selective cross-coupling link in particular plays constructive roles that ensure the global stability of synchrony and furthermore enables robustness of synchrony against small to nonsmall parameter perturbation...
June 2017: Physical Review. E
https://www.readbyqxmd.com/read/28702094/disorders-of-nutritional-status-in-sepsis-facts-and-myths
#20
REVIEW
Katarzyna Kosałka, Ewelina Wachowska, Robert Słotwiński
The problem of diagnosing nutritional status disorders in septic patients remains unresolved. This is associated with the necessity of the introduction of newer and newer methods of assessing nutritional status, often requiring precise and expensive equipment as well as employment of professionals in this field in hospital wards, primarily including intensive care units (ICU). Methods that have been applied thus far for assessing nutritional status, also used in severely ill septic patients, have little impact on improving treatment results...
2017: Przegla̜d Gastroenterologiczny
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