Whole Body Bioimpedance Measurement

Many of the whole body bioimpedance instruments apply three approaches for impedance measurement. Using segmental bioimpedance measurements it is possible to obtain information about the ﬂuid change in each body segment song lee kim and kim 1999 perit. Measurement whole body electrical bioimpedance wbeb in different cardiac clinical settings during cardiac catheterization and coronary artery bypass graft cabg surgery and for monitoring patients with acute chf and over a wide range of ci values and severity of left ventricular dysfunction.

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Whole body bioimpedance measurement. Materials and methods patient populations. Measurement of total body bioimpedance is the most commonly used method for estimating whole body compartments. Using segmental bioimpedance measurements it is possible to obtain information about the fluid change in each body segment song lee kim and kim 1999 perit. Most body water is stored in muscle.

Hand to foot method 1417 foot to foot 4446 method and hand to hand method 4748. The whole body bioimpedance technique is a highly promising non invasive reproducible fast and inexpensive bed side method for monitoring hydration status. These volumes are determined by measurement of whole body bioimpedance spectroscopy at 50 frequencies via electrodes placed on the wrist and ankle. In the present study we evaluated the accuracy of a novel method of ci measurement whole body electrical bioimpedance wbeb in different cardiac clinical settings during cardiac catheterization and coronary artery bypass graft cabg surgery and for monitoring patients with acute chf and over a wide range of ci values and severity of left ventricular dysfunction.

Whole body bioimpedance measurement. Although the bioelectrical impedance technique is widely used in human nutrition and clinical research an integrated summary of the biophysical and bioelectrical bases of this approach is lacking. We summarize the pertinent electrical phenomena relevant to the application of the impedance technique in vivo and discuss the relations between electrical measurements and biological conductor volumes. A new device the body composition monitor bcm.

Fresenius medical care bad homburg germany provides a convenient method to obtain ecw and total body water precisely table table1. The whole body bioimpedance technique is a highly promising non invasive reproducible fast and inexpensive bed side method for monitoring hydration status. A number of methods are available for determining body fat percentage such as measurement with calipers or through the use of bioelectrical impedance analysis. Bioelectrical impedance analysis bia is a commonly used method for estimating body composition in particular body fat and muscle massin bia a weak electric current flow through the body and the voltage is measured in order to calculate impedance resistance of the body.

The body fat percentage is a measure of fitness level since it is the only body measurement which directly calculates a persons relative body composition without regard to height or weight. The results of the present study indicate that whole body bioimpedance co measurements obtained by the nico are accurate in rapid noninvasive measurement and the follow up of co in a wide range of cardiac clinical situations.