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首页> 外文期刊>Physiological measurement >Multifrequency right-side, localized and segmental BIA obtained with different bioimpedance analysers
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Multifrequency right-side, localized and segmental BIA obtained with different bioimpedance analysers

机译：使用不同的生物阻抗分析仪获得的多频右侧，局部和分段BIA

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摘要

The aim of this study is to compare two commercial bioimpedance analysers, BioparHom Z-Metrix and Impedimed SFB7, measuring the impedance of three different body segments. The segments measured were 'right-side' (or 'whole-body'), 'segmental right-lower limb' and 'localized longitudinal right-quadriceps'. The comparison was made on electrical models of each segment, including electrode-skin impedance, and in vivo on nine healthy volunteers. Both devices are designed to measure right-side impedances and, in the present study, as the length of the segment investigated decreased, the accuracy of the impedance measured was found to decrease. The accuracy of the devices was calculated via measurements performed on RC networks of known values. It was found that adding electrode-skin contact impedances in the electrical model affected the accuracy by both devices.
机译：这项研究的目的是比较两个商业生物阻抗分析仪，BioparHom Z-Metrix和Impedimed SFB7，测量三个不同身体部分的阻抗。测量的部分是“右侧”（或“全身”），“段右下肢”和“局部纵向右四头肌”。比较了每个部分的电模型，包括电极-皮肤阻抗，并在9名健康志愿者体内进行了比较。两种设备均设计为测量右侧阻抗，并且在本研究中，随着所研究段的长度减小，发现测量到的阻抗的精度下降。通过在已知值的RC网络上执行的测量来计算设备的精度。发现在电模型中增加电极-皮肤接触阻抗会影响两个器件的精度。

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