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[Body composition assessment in patients with chronic renal failure]
M Cano1, J Camousseigt, F Carrasco
1Grupo Effects 262, Departamento de Fisiología, Facultad de Medicina, Universidad de Granada, Granada, España.
Nutricion Hospitalaria
|August 10, 2010
Summary
Assessing body composition in chronic renal failure (CRF) patients is crucial. Bioimpedantiometry using Kyle's equation offers a reliable field method for estimating fat mass in haemodialysis patients, unlike skin folds.
Area of Science:
- Clinical Nutrition
- Nephrology
- Body Composition Analysis
Context:
- Accurate body composition assessment is vital for managing nutritional status in chronic renal failure (CRF) patients.
- Limited reliable field methods exist for body composition analysis in CRF populations.
- Hemodialysis patients often present with altered body composition requiring precise monitoring.
Purpose:
- To evaluate the reliability of different body composition estimation methods against dual-energy X-ray absorptiometry (DEXA) in CRF patients undergoing chronic hemodialysis.
- To compare skinfold measurements (SP) and bioimpedantiometry (BIA) using various equations against DEXA for fat mass percentage (%FM) estimation.
Summary:
- Thirty hemodialysis patients were assessed for body composition.
- Skinfold measurements showed low reliability for estimating fat mass compared to DEXA.
- Bioimpedantiometry using manufacturer-derived equations, particularly Kyle's equation, demonstrated good agreement with DEXA for %FM estimation.
Impact:
- Identifies bioimpedantiometry with Kyle's equation as a potentially valuable and reliable field method for body composition assessment in hemodialysis patients.
- Highlights the limitations of skinfold measurements in this specific patient group.
- Provides evidence to guide the selection of appropriate body composition assessment tools in nephrology and clinical nutrition settings.
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