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  • Title: Basal metabolic rate in children with a solid tumour.
    Author: den Broeder E, Oeseburg B, Lippens RJ, van Staveren WA, Sengers RC, van't Hof MA, Tolboom JJ.
    Journal: Eur J Clin Nutr; 2001 Aug; 55(8):673-81. PubMed ID: 11477466.
    Abstract:
    OBJECTIVE: To study the level of and changes in basal metabolic rate (BMR) in children with a solid tumour at diagnosis and during treatment in order to provide a more accurate estimate of energy requirements for nutritional support. DESIGN: An observational study. SETTING: Tertiary care at the Centre for Paediatric Oncology, University Hospital Nijmegen. SUBJECTS: Thirteen patients were recruited from a population of patients visiting the University Hospital Nijmegen for treatment. All patients asked to participate took part in and completed the study. INTERVENTION: BMR was measured by indirect calorimetry, under stringent, standardised conditions, for 20 min and on three different occasions in all patients. Continuous breath gas analysis using a mouthpiece was performed. Weight, height and skinfold measurements were performed before each measurement. MAIN OUTCOME MEASURES: BMR was expressed as percentage of the estimated reference value, according to the Schofield formulas based on age, weight and sex, and in kJ (kcal) per kg of fat-free mass. RESULTS: At diagnosis, the BMR was higher than the estimated reference BMR in all patients and 44% of the patients were considered hypermetabolic. Mean BMR (as percentage of reference) was significantly increased (11.6% (s.d. 6.7%); P=0.001), but decreased during treatment in 12 of the 13 patients (mean decrease 12.7% (s.d. 3.9%); P<0.0001). Furthermore, a significant negative correlation (P=-0.67; P=0.01) was found between the change in BMR and tumour response. CONCLUSIONS: These data suggest that the BMR of children with a solid tumour is increased at diagnosis and possibly during the first phase of oncologic treatment. This may be important when determining energy requirements for nutritional support.
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