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DRY WEIGHT PREDICTOR
专利权人:
Fansan Zhu;Nathan W. Levin
发明人:
Nathan W. Levin,Fansan Zhu
申请号:
US13879220
公开号:
US20130197389A1
申请日:
2011.10.12
申请国别(地区):
US
年份:
2013
代理人:
摘要:
Methods and apparatus for predicting/estimating the dry weight of an individual, e.g., a patient undergoing dialysis treatment, are provided. The techniques employ a bioimpedance measurement (303) on the individual's calf (101) to obtain information regarding the extracellular fluid volume of the calf. Using a measurement of the calf's circumference (309), a resistivity value is calculated, normalized by the individual's body mass index (BMI), and then offset by a reference value to obtain a new variable, ΔnRho, which is shown, by comparison with a “gold standard” (FIGS. 5-9), to be highly effective in predicting/estimating dry weight (FIGS. 10-13 and 15-16). The techniques are easy to use and provide accurate dry weight predictions/estimations without substantially adding to the complexity or cost of dialysis procedures. The techniques can also be used for individuals who are not renal patients, e.g., patients suffering from other diseases in which fluid overload can occur, athletes, fitness enthusiasts, and the like.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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