DISTRIBUTION OF TOTAL BODY WATER AND FLUID DISTRIBUTION IN CRITICALLY ILL ELD
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This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. The purpose of this study is to design a simple method of calculating drug dosage in a critically ill patient based on total body water (TBW) using multifrequency bioelectrical impedance analysis (MBIA). This relatively new method is a noninvasive and simple bedside technique that can be used to predict TBW, extracellular water (ECW), and identify altered fluid distribution following critical illness. In addition, we would also like to perfrom "gold standard" tracer studies (deuterium oxide, and sodium bromide) to validate MBIA method of measuring body composition. TBW and ECW measured by MBIA will not be statistically different from measurements obtained using deuterium dilution and sodium bromide.
This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. The purpose of this study is to design a simple method of measuring body water compartments in elderly subjects based on total body water (TBW) using bioelectrical impedance analysis (BIA). This relatively new method is a noninvasive and simple bedside technique that can be used to predict TBW, extracellular water (ECW), and identify altered fluid distribution following critical illness. In addition, we would also like to perform a "gold standard" study (Urine Osmolality) to validate the BIA method of measuring body composition.
