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Agreement of Single- and Multi-Frequency Bioimpedance Measurements in Hemodialysis Patients: An Ancillary Study of the Frequent Hemodialysis Network Daily Trial
Raimann, Jochen G.1; Abbas, Samer R.1; Liu, Li1,5; Zhu, Fansan1; Larive, Brett2; Kotanko, Peter1; Levin, Nathan W.1; Kaysen, George A.3,4; FHN Trial
关键词Bioimpedance measurements Hemodialysis Frequent Hemodialysis Network Daily Trial Multi-frequency bioimpedance spectroscopy Single-frequency bioimpedance analysis
刊名NEPHRON CLINICAL PRACTICE
2014-12-01
DOI10.1159/000366447
128期:1-2页:115-126
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Urology & Nephrology
资助者National Center for Research Resources, National Institutes of Health ; RRI ; University of California Davis Clinical and Translational Science Center NIH ; National Center for Research Resources, National Institutes of Health ; RRI ; University of California Davis Clinical and Translational Science Center NIH
研究领域[WOS]Urology & Nephrology
关键词[WOS]BIOELECTRICAL-IMPEDANCE ANALYSIS ; BODY CELL MASS ; FLUID ; WATER ; SPECTROSCOPY ; DILUTION ; MODEL
英文摘要

Background: Bioimpedance analysis (BIA) is well established to assess body composition. Agreements between single- and multi-frequency bioimpedance (SF-BIA, MF-BIS) measurements in subjects undergoing 6 or 3 times/week hemodialysis (HD) were analyzed. Methods: Total body water (TBW) and intra-and extracellular fluid (ICF, ECF) of subjects enrolled in the Frequent Hemodialysis Network (FHN) Daily Trial (www.clinicaltrials.gov No. NCT00264758) were measured with a Hydra 4200 at baseline (BL) and at 5 months (M5). Volumes were computed using SF (at 50 kHz) and MF approaches. Agreement was assessed by means of linear regression and Bland-Altman analysis and treatment effects by t test. Results: 35 subjects (17 on the more frequent regimen, 26 males, 20 African-American, 48 +/- 9 years, pre-HD weight 84 +/- 19 kg) were studied. Assessments with SF-BIA and MF-BIS correlated significantly at BL and M5 in both arms. No proportional errors, but systematic biases over the entire range of values were found at BL and M5. Agreement did not differ between subjects randomized to either HD treatment arm at both time points. MF-BIS appears to have better precision than SF-BIA allowing the observation of a significant treatment effect by the intervention [-1.5 (95% CI -2.5 to -0.5) I] on ECF, not found for ECF SF-BIA. Precision also affected the statistical power of the SF-BIA data in the current analysis. Conclusion: Both methods showed agreement without significant proportional errors regardless of HD frequency and can be used for longitudinal analyses. SF-BIA has lower precision which needs thorough consideration in the design of future trials with similar outcomes. (C) 2014 S. Karger AG, Basel

语种英语
所属项目编号UL1 RR024146 ; RR 0024146
资助者National Center for Research Resources, National Institutes of Health ; RRI ; University of California Davis Clinical and Translational Science Center NIH ; National Center for Research Resources, National Institutes of Health ; RRI ; University of California Davis Clinical and Translational Science Center NIH
WOS记录号WOS:000347919800017
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/64756
专题北京大学第一临床医学院_肾脏内科
作者单位1.Renal Res Inst, Div Res, New York, NY USA
2.Cleveland Clin, Dept Quantitat Hlth Sci, Cleveland, OH 44106 USA
3.Univ Calif Davis, Dept Med, Div Nephrol, Davis, CA 95616 USA
4.Univ Calif Davis, Dept Biochem & Mol Med, Davis, CA 95616 USA
5.Peking Univ, Hosp 1, Div Renal, Beijing 100871, Peoples R China
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Raimann, Jochen G.,Abbas, Samer R.,Liu, Li,et al. Agreement of Single- and Multi-Frequency Bioimpedance Measurements in Hemodialysis Patients: An Ancillary Study of the Frequent Hemodialysis Network Daily Trial[J]. NEPHRON CLINICAL PRACTICE,2014,128(1-2):115-126.
APA Raimann, Jochen G..,Abbas, Samer R..,Liu, Li.,Zhu, Fansan.,Larive, Brett.,...&FHN Trial.(2014).Agreement of Single- and Multi-Frequency Bioimpedance Measurements in Hemodialysis Patients: An Ancillary Study of the Frequent Hemodialysis Network Daily Trial.NEPHRON CLINICAL PRACTICE,128(1-2),115-126.
MLA Raimann, Jochen G.,et al."Agreement of Single- and Multi-Frequency Bioimpedance Measurements in Hemodialysis Patients: An Ancillary Study of the Frequent Hemodialysis Network Daily Trial".NEPHRON CLINICAL PRACTICE 128.1-2(2014):115-126.
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