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In this work, we examined the significance of various hemorheological, body composition, body impedance, cardiac output and blood flow parameters in thyroid disorders on a data set from 48 subjects that consisted of 18 euthyroidics, 15 hypothyroidics and 15 hyperthyroidics. Impedance variations that reflect cardiac parameters for the hyperthyroid patient group, stroke volume, cardiac output, cardiac...
The resting energy expenditure (REE) and substrate utilization are computed by indirect calorimetry technique (ICT). The REE represents 80-85% of the total energy expenditure (TEE) but only accounts for the 7% of the actual body weight (ABW). The TEE is produced by the organs plus muscles, whereas the REE accounts only for the main organs. An important problem comes up when the REE is computed throughout...
Accurate estimation of body muscle, fat and fluid volumes in dialysis patients is an important factor to predict outcomes of the disease. Bioimpedance spectroscopy (BIS) has been used to measure extracellular (Re) and intracellular resistance (Ri) with whole body (wBIS) and segmental (sBIS) measurement. 40 stable HD patients (22 m / 18 f, age 54.7 plusmn11 yrs, height (H) 1.67 plusmn 0.94 m, weight...
Single frequency bioelectrical impedance analysis (BIA) is an inexpensive, quick and painless means of estimating body composition. In this paper, BIA parameters employed for predicting hemoglobin (Hb) in dengue patients. The BIA technique passes a low-amplitude electrical current, in the range of 500 muA to 800 muA, at a single frequency of 50 kHz. BIA data was sampled from 210 (comprises of 119...
Bioelectrical Impedance Spectroscopy (BIS) is a noninvasive technology with potential application to study exercise physiology as body composition and estimation of maximal oxygen uptake. The aim of the study was to compare the power at lactate threshold (WLT) obtained using blood lactate concentration (BLC) with the power at lactate threshold from BIS (WBT). Fifty physical education students, 35...
Bioelectrical impedance analysis (BIA) has been proven an inexpensive, reliable, simple, safe, and noninvasive technique for clinical and non clinical purposes. The ability of BIA to accurately assess body composition is dependent upon a number of technical and biological assumptions. This paper provides an overview of the strengths and weaknesses of the BIA method with specific reference to assessment...
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