Assessment of changes in total body water in patients undergoing renal dialysis using bioelectrical impedance analysis.
This study aimed to assess whether changes in fluid can be accurately predicted from the change in whole-body impedance with an appropriate correction for the conductor length (i.e. height). Eight studies to measure changes in impedance were performed on six patients during dialysis. The measured loss of fluid from the beginning to the end of dialysis (1174+/-706ml) agreed well with the change in body weight (1188+/-768kg). The regression lines of the plot of change in height(2)/impedance ver...Expand abstract
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