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Percentage body fat determination in hemodialysis and peritoneal dialysis patients: a comparison
S Stall1, N S Ginsberg, M V DeVita
1Section of Nephrology, Lenox Hill Hospital, New York, NY, USA.
Objective:
To evaluate percentage body fat in hemodialysis (HD) and peritoneal dialysis (PD) patients.
Design:
A prospective study of 20 HD patients and 20 PD patients.
Setting:
Sol Goldman Renal Therapy Center, Lenox Hill Hospital, New York, NY; Baumritter Kidney Center Albert Einstein College of Medicine, Bronx, NY; Body Composition Unit, St Luke's Roosevelt Hospital, Columbia University, New York, NY.
Patients:
Twenty HD (10 men, 10 women) patients, mean age 41.8 +/- 2.4 years and 20 PD (12 men, 8 women) patients, mean age 48.6 years +/- 3.0 years.
Intervention:
This is a noninterventional study. PATIENTS signed consent to undergo dual-energy x-ray absorptiometry, total body potassium counting bioelectrical impedance analysis, total body water determination, and anthropmetric evaluation.
Main Outcome Measures:
Present and compare percentage body fat between HD and PD patients as determined by the methods used.
Results:
Percentage fat is not different between HD and PD patients. Differences in absolute values of percent fat between techniques exist.
Conclusion:
HD patients and PD patients may be evaluated by the methods of body composition used. Percentage body fat will vary among techniques; therefore the same method should be used to follow a patient over time.