Evaluation of different bioimpedance methods for assessing body composition in Asian non-dialysis chronic kidney disease patients

Sean WY Lee; Clara Lee Ying Ngoh; Horng Ruey Chua; Sabrina Haroon; Weng Kin Wong; Evan JC Lee; Titus WL Lau; Sunil Sethi; Boon Wee Teo

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저자정보: Sean WY Lee (Yong Loo Lin School of Medicine National University of Singapore Singapore) Clara Lee Ying Ngoh (Department of Medicine National University Health System Singapore) Horng Ruey Chua (National University Health System Singapore) Sabrina Haroon (National University Health System Singapore) Weng Kin Wong (National University Health System Singapore) Evan JC Lee (National University Health System Singapore) Titus WL Lau (National University Health System Singapore) Sunil Sethi (Department of Pathology National University Health System Singapore) Boon Wee Teo (Yong Loo Lin School of Medicine National University of Singapore Singapore)

저널정보: 대한신장학회 Kidney Research and Clinical Practice Kidney Research and Clinical Practice Vol.38 No.1

발행연도: 2019.1

수록면: 71 - 80 (10page)

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Background: Chronic kidney disease (CKD) is associated with fluid retention, which increases total body water (TBW) and leads to changes in intracellular water (ICW) and extracellular water (ECW). This complicates accurate assessments of body composition. Analysis of bioelectrical impedance may improve the accuracy of evaluation in CKD patients and multiple machines and technologies are available. We compared body composition by bioimpedance spectroscopy (BIS) against multi-frequency bioimpedance analysis (BIA) in a multi-ethnic Asian population of stable, non-dialysis CKD patients. Methods: We recruited 98 stable CKD patients comprising 54.1% men and 70.4% Chinese, 9.2% Malay, 13.3% Indian, and 8.2% other ethnicities. Stability was defined as no variation in serum creatinine > 20% over three months. Patients underwent BIS analyses using a Fresenius body composition monitor, while BIA analyses employed a Bodystat Quadscan 4000. Results: Mean TBW values by BIS and BIA were 33.6 ± 7.2 L and 38.3 ± 7.4 L; mean ECW values were 15.8 ± 3.2 L and 16.9 ± 2.7 L; and mean ICW values were 17.9 ± 4.3 L and 21.0 ± 4.9 L, respectively. Mean differences for TBW were 4.6 ± 1.9 L (P < 0.001), for ECW they were 1.2 ± 0.5 L (P < 0.001), and for ICW they were 3.2 ±1.8 L (P < 0.001). BIA and BIS measurements were highly correlated: TBW r = 0.970, ECW r = 0.994, and ICW r = 0.926. Compared with BIA, BIS assessments of fluid overload appeared to be more associated with biochemical and clinical indicators. Conclusion: Although both BIA and BIS can be used for body water assessment, clinicians should be aware of biases that exist between bioimpedance techniques. The values of body water assessments in our study were higher in BIA than in BIS. Ethnicity, sex, body mass index, and estimated glomerular filtration rate were associated with these biases.

#Adult #Body composition #Body water #Electric impedance #Kidney diseases #Nutrition assessment

참고문헌 (33)

참고문헌 신청

Hassan MO / 2016 / Volume overload and its risk factors in South African chronic kidney disease patients : an appraisal of bioimpedance spectroscopy and inferior vena cava measurements / Clin Nephrol 86:27~34

Hannan WJ / 1995 / Comparison of bio-impedance spectroscopy and multifrequency bio-impedance analysis for the assessment of extracellular and total body water in surgical patients / Clin Sci(Lond) 89:651~658

Thomas BJ / 1992 / Bioelectrical impedance analysis for measurement of body fluid volumes : a review / J Clin Eng 17:505~510

Abbas SR / 2014 / Comparison of bioimpedance techniques to detect changes in fluid status in hemodialysis patients / Blood Purif 37:48~56

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Sean WY Lee

소속기관 Yong Loo Lin School of Medicine National University of Singapore Singapore

주요연구분야 의약학 > 임상의학 > 내과학

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Clara Lee Ying Ngoh

소속기관 Department of Medicine National University Health System Singapore

주요연구분야 의약학 > 임상의학 > 내과학

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Horng Ruey Chua