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Body composition measurements during infancy.

W W Koo1

  • 1Wayne State University, Children's Hospital of Michigan, Detroit, USA. wkoo@wayne.edu

Annals of the New York Academy of Sciences
|June 24, 2000
PubMed
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Accurately measuring infant body composition (BC) is challenging due to rapid growth. Anthropometry, total body electrical conductivity (TOBEC), and dual-energy X-ray absorptiometry (DXA) are suitable for infant BC assessment.

Area of Science:

  • Pediatric Research
  • Human Physiology
  • Biomedical Engineering

Background:

  • Infancy is characterized by rapid postnatal growth and significant body composition (BC) changes.
  • Measuring infant BC in vivo presents challenges due to small body mass, rapid changes, and limitations of existing techniques.
  • Many methods used for adults are difficult to adapt or lack validation for infant use.

Purpose of the Study:

  • To identify suitable in vivo techniques for measuring infant body composition.
  • To evaluate the applicability and limitations of various BC measurement methods in infants.
  • To provide guidance on selecting and applying validated techniques for infant BC assessment.

Main Methods:

  • Review and validation of existing in vivo body composition measurement techniques for infants.

Related Experiment Videos

  • Assessment based on animal validation data, methodological considerations, normative data availability, and accuracy/precision.
  • Focus on anthropometric measurements, total body electrical conductivity (TOBEC), and dual-energy X-ray absorptiometry (DXA).

    • Main Results:

    • Anthropometric measurements are useful for field studies and group comparisons.
    • Total body electrical conductivity (TOBEC) and selected dual-energy X-ray absorptiometry (DXA) are suitable for individual infant BC assessment.
    • DXA offers advantages including bone mass measurement and adaptability to existing equipment.

    Conclusions:

    • Anthropometry, TOBEC, and DXA are the most appropriate techniques for in vivo infant body composition measurement.
    • Careful attention to data acquisition, analysis, and understanding technique limitations are crucial for valid infant BC data.
    • Further validation and cross-calibration studies are needed to refine the use of these techniques in infants.