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American Journal of Clinical Nutrition, Vol 64, 125-130, Copyright © 1996 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Comparison of five body-composition methods in peritoneal dialysis patients

SH Stall, NS Ginsberg, MV DeVita, PM Zabetakis, RI Lynn, GW Gleim, J Wang, RN Pierson Jr and MF Michelis
Section of Nephrology, Sol Goldman Renal Therapy Center, Lenox Hill Hospital, New York, NY 10021, USA.

Body-composition assessment is an important method of evaluating nutritional status in peritoneal dialysis patients. Because body- composition measurement estimates have not been fully validated in this population, we assessed five body-composition methods in 30 well- dialyzed peritoneal dialysis patients. The techniques studied included bioelectrical impedance analysis, dual-energy X-ray absorptiometry, total-body potassium counting, and anthropometry by two techniques. The dialysis patients were matched for age, race, sex, height, weight, and body mass index with 29 healthy control subjects in our laboratory database. By 5 x 2 x 2 analysis of variance, significant differences were found between results by modality (P < 0.0001) as well as by sex, with women having an increased percentage of fat (P < 0.0001). However, there was no significant intermethod difference by condition (peritoneal dialysis or control). That is, although significantly different percentage fat values were found between the body-composition techniques, this variability was independent of whether the measurement was made on control or peritoneal dialysis patients. Despite the differences between modalities, all techniques were found to correlate significantly with each other (P < 0.01 or better for men and P < 0.001 or better for women). Our experience shows that these routine techniques for measuring body composition can be readily applied to stable peritoneal dialysis patients.


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M. A. Kamimura, C. M. Avesani, M. Cendoroglo, M. E. F. Canziani, S. A. Draibe, and L. Cuppari
Comparison of skinfold thicknesses and bioelectrical impedance analysis with dual-energy X-ray absorptiometry for the assessment of body fat in patients on long-term haemodialysis therapy
Nephrol. Dial. Transplant., January 1, 2003; 18(1): 101 - 105.
[Abstract] [Full Text] [PDF]


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Copyright © 1996 by The American Society for Nutrition