Document Detail


Comparison of three methods for the determination of body fat in patients on long-term hemodialysis therapy.
MedLine Citation:
PMID:  12589325     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To compare three simple methods of body composition analysis for the assessment of body fat in patients on long-term hemodialysis therapy. DESIGN: Cross-sectional study using the skinfold thickness, bioelectrical impedance analysis, and near-infrared interactance techniques after a hemodialysis session. SUBJECTS/SETTING: Ninety clinically stable patients (57 male/33 female) undergoing hemodialysis at the Dialysis Unit of the Federal University of São Paulo. STATISTICAL ANALYSIS: Analysis of variance, intraclass correlation coefficient, and Bland-Altman plot analysis were used for the comparative analysis between the methods. RESULTS: Body fat measurements obtained by skinfold thickness (13.5+/-6.2 kg) and bioelectrical impedance analysis (13.7+/-6.7 kg) were similar, whereas those measured by near-infrared interactance (11.3+/-5.1 kg) were significantly lower in comparison with skinfold thickness and bioelectrical impedance analysis (P<.001). The strongest intraclass correlation coefficient was found between bioelectrical impedance analysis and skinfold thickness (r=0.87), and near-infrared interactance vs skinfold thickness and bioelectrical impedance analysis methods yielded r=0.78 and r=0.76, respectively. Near-infrared interactance showed a progressive underestimation of body fat values in comparison with the bioelectrical impedance analysis technique in patients with higher amount of adiposity. CONCLUSION: In our study, we cannot consider that one method of body composition analysis is more accurate than the other because we did not apply a gold standard method. However, the most simple, long-established, and inexpensive method of skinfold thickness seems to be still very useful to the dietitians' routine for assessing body fat in patients on long-term hemodialysis therapy.
Authors:
Maria Ayako Kamimura; Nelma Scheyla José Dos Santos; Carla Maria Avesani; Maria Eugênia Fernandes Canziani; Sérgio Antônio Draibe; Lilian Cuppari
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the American Dietetic Association     Volume:  103     ISSN:  0002-8223     ISO Abbreviation:  J Am Diet Assoc     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-02-17     Completed Date:  2003-03-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7503061     Medline TA:  J Am Diet Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  195-9     Citation Subset:  AIM; IM    
Affiliation:
Division of Nephrology and Nutrition Program, Federal University of São Paulo, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / anatomy & histology*
Adult
Analysis of Variance
Body Composition*
Cross-Sectional Studies
Electric Impedance*
Female
Humans
Infrared Rays / diagnostic use
Kidney Failure, Chronic / complications,  therapy
Male
Middle Aged
Nutrition Disorders / diagnosis,  etiology
Renal Dialysis* / adverse effects
Reproducibility of Results
Sensitivity and Specificity
Skinfold Thickness*
Spectroscopy, Near-Infrared*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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