Energy balance in children and young adults receiving haemodialysis for chronic renal failure |
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Authors: | Tounian P Salaun J F Bensman A Melchior J C Veinberg F Morgant G Fontaine J L Girardet J P |
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Institution: | Service de Néphrologie Pédiatrique, H?pital Armand-Trousseau, Paris, France. |
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Abstract: | This study was designed to determine the contribution of energy expenditure to the energy imbalance seen in uraemic children. Resting energy expenditure (REE) was measured using open-circuit indirect calorimetry in eight uraemic haemodialysed subjects aged 9.3-20.4 years and in 10 healthy children. Linear correlations between REE and both body weight and fat-free mass as measured by anthropometry were found in both controls and uraemic subjects (respectively: r = 0.76 and r = 0.88 for body weight and r = 0.73 and r = 0.90 for fat-free mass). Measured REE in uraemic patients was not different from the value predicted by using actual body weight and fat-free mass in the regression equation of REE on body weight and fat-free mass in controls (paired t test: p = 0.70 and p = 0.19 respectively). These data suggest that the energy imbalance seen in uraemic children is not due to increased energy expenditure and is therefore probably due to decreased food intake. |
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