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Determining Basal Energy Expenditure and the Capacity of Thermogenic Adipocytes to Expend Energy in Obese Mice
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Measurement of resting energy expenditure in healthy children

Robin R Mellecker1, Alison M McManus

  • 1Institute of Human Performance, University of Hong Kong, Hong Kong, China. robinmel@hkusua.hku.hk

JPEN. Journal of Parenteral and Enteral Nutrition
|August 14, 2009
PubMed

Insights

A 20-minute resting energy expenditure (REE) measurement using a face mask is recommended for children. This method offers greater accuracy and comfort, improving compliance for pediatric obesity research.

Area of Science:

  • Pediatric physiology
  • Metabolic research
  • Obesity studies

Background:

  • Childhood obesity is a growing concern, necessitating accurate measurement of resting energy expenditure (REE).
  • Current REE measurement protocols for children lack standardization, leading to variability in results.
  • This study addresses the need for reliable REE assessment methods in pediatric populations.

Purpose of the Study:

  • To evaluate the impact of measurement duration on REE in children.
  • To compare the effectiveness of a mask versus a mouthpiece/noseclip for REE measurement.
  • To identify the optimal protocol for accurate and comfortable REE assessment in children.

Main Methods:

  • Twenty-three healthy children (7-12 years) underwent two 35-minute indirect calorimetry protocols after a 12-hour fast.
  • Measurements were taken using either a face mask or a mouthpiece/noseclip.
  • Device comfort was rated on a 6-point scale.

Main Results:

  • No significant differences in REE were found between 10, 15, 20, 25, and 30 minutes of rest for either device.
  • The mask showed the least variation in energy expenditure (6% CV) after 20 minutes.
  • Children reported significantly less discomfort with the mask compared to the mouthpiece/noseclip.

Conclusions:

  • A 20-minute REE measurement protocol using a face mask is suggested for children.
  • This protocol may enhance patient compliance and practicality in pediatric research.
  • Standardizing REE measurement is crucial for advancing childhood obesity research.
Abstract

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