| Continuous measurement of calf resistivity in hemodialysis patients using bioimpedance analysis. | |
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MedLine Citation:
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PMID: 17946679 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study demonstrates a technique to measure electrical resistivity of the calf in hemodialysis (HD) patients during HD treatment. To continuously monitor and calculate resistivity, a model of calf volume based on its geometrical size and measurement of its electrical resistance has been developed. The model makes it possible to continuously estimate reduction of the calf circumference during HD. Seventeen HD patients were studied during HD using a multi-frequency bioimpedance device (Xitron 4200). Circumference of the calf was measured by a measuring tape pre- and post- HD for each treatment. Results showed a high correlation between measurement and calculation circumference in post HD (r(2)=0.985). Further, the value of resistivity normalized by body mass index (BMI) provides information about patients' hydration state in comparison to those in healthy subjects. This technique is useful for identifying the range of optimal hydration states for HD patients. |
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Authors:
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Fansan Zhu; Edward F Leonard; Mary Carter; Nathan W Levin |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference Volume: 1 ISSN: 1557-170X ISO Abbreviation: Conf Proc IEEE Eng Med Biol Soc Publication Date: 2006 |
Date Detail:
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Created Date: 2007-10-23 Completed Date: 2008-03-10 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101243413 Medline TA: Conf Proc IEEE Eng Med Biol Soc Country: United States |
Other Details:
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Languages: eng Pagination: 5126-8 Citation Subset: IM |
Affiliation:
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Renal Research Institute, New York, NY, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Body Composition Body Mass Index Computers Electric Impedance* Electronics, Medical Equipment Design Humans Leg / pathology* Models, Statistical Models, Theoretical Reproducibility of Results Software Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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