Bioelectrical Impedance Definition

C O N T E N T S:

KEY TOPICS

  • Muscle mass was measured using direct segmental multi-frequency bioelectrical impedance analysis (DSM-BIA, InBody S10, Biospace Co., Ltd., Seoul) resulting in the following parameters: 1) absolute skeletal muscle mass (SMM); 2) skeletal muscle mass index (SMI), calculated as ; and 3) relative muscle mass (RMM), calculated as.(More…)

POSSIBLY USEFUL

  • Segmental measurement is the technology that defines the body as five cylinders, separated in four limbs and a trunk, and measures the impedance of each part separately.(More…)

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Bioelectrical Impedance Definition
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link: http://www.semanticscholar.org/paper/Associations-between-bioelectrical-impedance-and-in-Antunes-Vannini/73587b6640abec41351ce614472c0664cf8be485
author: semanticscholar.org
description: Associations between bioelectrical impedance parameters and …

KEY TOPICS

Muscle mass was measured using direct segmental multi-frequency bioelectrical impedance analysis (DSM-BIA, InBody S10, Biospace Co., Ltd., Seoul) resulting in the following parameters: 1) absolute skeletal muscle mass (SMM); 2) skeletal muscle mass index (SMI), calculated as ; and 3) relative muscle mass (RMM), calculated as. [1] Muscle mass and hand grip strength were measured at admission using bioelectrical impedance analysis and handheld dynamometry. [1]

BIA (Bioelectrical Impedance Analysis) is a method to measure the body impedance by sending a low, safe electrical current through the body. [2] The standard measure of bone mineral content is DEXA (Dual Energy X-ray Absorptiometry), and in BIA (Bioelectrical Impedance Analysis), it is calculated by regression methods. [2]

Another method used is bioelectrical impedance analysis (BIA), which measures fat mass and lean body mass. [3] Computed tomography scan analysis, musculoskeletal ultrasound, and bioelectrical impedance analysis are emerging as powerful clinical tools to monitor lean body mass during ICU stay. [4]

Bioelectrical impedance analysis (BIA) is often used to estimate total body water (TBW), intracellular body water (ICW), extracellular body water (ECW), and body fat percentage (BF%). [5] Bioelectrical impedance method is frequently used for assessing skeletal muscle mass. [6] Bioelectrical impedance underestimates total and truncal fatness in abdominally obese women. [7] Besides routine variables, sublingual microcirculation and bioelectrical impedance were measured. [8] Is bioelectrical impedance accurate for use in large epidemiological studies? Nutr J. 2008 ; 7, 26. [7] Johnson Stoklossa CA, Forhan M, Padwal RS, Gonzalez MC, Prado CM. Practical considerations for body composition assessment of adults with class II/III obesity using bioelectrical impedance analysis or dual-energy X-ray absorptiometry. [3]

The cheap scale with bioelectrical impedance analysis says 14.5% but according to a fat caliper and my GF I am around 12%? I started from around 17%, so I lost a good 3%-5% of bodyfat. [9]

POSSIBLY USEFUL

Segmental measurement is the technology that defines the body as five cylinders, separated in four limbs and a trunk, and measures the impedance of each part separately. [2] Although the trunk takes up the largest portion of body, its impedance value is only about 20?, and a small difference in trunk impedance reading affects greatly. [2] This is one of the various reasons of why impedance is much easily measured in the limbs than in the trunk. [2]

The best advantage in using impedance is the high precision, accuracy and the convenience of the non-invasive method. [2] Only impedance is used to determine your body composition results; no empirical estimations such as gender and age are used or required to predict your body composition. [10] Impedance, denoted Z, is an expression of the opposition that an electronic component, circuit, or system offers to alternate and/or direct electric current. [2]

In line with our results, sarcopenia – defined using various definitions including absolute or relative muscle mass, isolated or combined with HGS and gait speed – was found to be associated with falls in community-dwelling older adults. [1] Cruz-Jentoft AJ, Baeyens JP, Bauer JM et al. Sarcopenia: European consensus on definition and diagnosis: Report of the European Working Group on Sarcopenia in Older People. [1] National Institute of Health (NIH) agreed with this definition and concluded that 20% more weight than the standard or BMI more than 85% in young people increase the risk. [2]

Described together with cerebral infarction and cerebral hemorrhage definitions, the main causes of cerebral paralysis are embolism or cerebral thrombosis after occlusion of cerebral vessels. [2]

The observational design of the study prohibits showing a causal relation between RRI and the development of AKI. We only showed an association and earlier prediction of AKI than the use of creatinine-based definition of AKI. Third, we did not include CVP in the multivariate analysis since inclusion would be associated with loss of data. [8] Cut-off values depend on the definition of AKI. The use of both creatinine and urine criteria to diagnose AKI as we did increases the proportion of patients diagnosed with AKI and will yield lower cut-off values than when only creatinine criteria are used. [8]

The reason why we did not include eGFR in primary multivariate analysis is that calculated eGFR and the definition of AKI are mathematically coupled. [8]

Assessment of skeletal muscle index and definition of sarcopenia. [6] Cruz-Jentoft AJ, Baeyens JP, Bauer JM, Boirie Y, Cederholm T, Landi F, et al. Sarcopenia: European consensus on definition and diagnosis: report of the European Working Group on Sarcopenia in Older People. [3] Newman AB, Kupelian V, Visser M, Simonsick E, Goodpaster B, Nevitt M, et al. Sarcopenia: alternative definitions and associations with lower extremity function. [3]

Definitions for sepsis and organ failure and guidelines for the use of innovative therapies in sepsis. [8] Establishing a standard definition for child overweight and obesity worldwide: international survey. [7]

Di Somma S, Lukaski HC, Codognotto M. Consensus paper on the use of BIVA (Bioelectrical Impendance Vector Analysis) in medicine for the management of body hydration. [8] Accuracy of an eight-point tactile-electrode impedance method in the assessment of total body water. [7]

RANKED SELECTED SOURCES(10 source documents arranged by frequency of occurrence in the above report)

1. (9) Glossary – InBody USA

2. (6) Renal resistive index as an early predictor and discriminator of acute kidney injury in critically ill patients; A prospective observational cohort study

3. (4) Muscle mass and muscle strength are associated with pre- and post-hospitalization falls in older male inpatients: a longitudinal cohort study

4. (4) Assessment of lower extremity muscle mass, muscle strength, and exercise therapy in elderly patients with diabetes mellitus | SpringerLink

5. (4) http://www.cambridge.org/core/journals/journal-of-developmental-origins-of-health-and-disease/article/influence-of-maternal-adiposity-preterm-birth-and-birth-weight-centiles-on-early-childhood-obesity-in-an-indigenous-australian-pregnancythroughtoearlychildhood-cohort-study/C02EFB78867B285A9A73451FDA14E681

6. (2) No Deterioration in Clinical Outcomes of Carbon Ion Radiotherapy for Sarcopenia Patients with Hepatocellular Carcinoma

7. (1) InBody 570 Body Composition Analyzer – InBody USA

8. (1) Measuring and Monitoring Lean Body Mass in Critical Illness Critical Care News | Curated News for Intensivists

9. (1) Journal of the International Society of Sports Nutrition | Articles

10. (1) TB Before & After Pics (Aesthetics) : tacticalbarbell