• J Am Diet Assoc · Oct 1997

    Review Comparative Study

    Indirect calorimetry: technical aspects.

    • L E Matarese.
    • Cleveland Clinic Foundation, OH 44195, USA.
    • J Am Diet Assoc. 1997 Oct 1;97(10 Suppl 2):S154-60.

    AbstractIndirect calorimetry measures oxygen consumption and carbon dioxide production to calculate resting energy expenditure and respiratory quotient. The respiratory quotient can be determined from indirect calorimetry to determine substrate utilization and used to alter the patient's nutrition support regimen. All but one indirect calorimeter manufactured in the United States are open-circuit rather than closed-circuit systems.

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