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间接测热法:技术方面。

Indirect calorimetry: technical aspects.

作者信息

Matarese L E

机构信息

Cleveland Clinic Foundation, OH 44195, USA.

出版信息

J Am Diet Assoc. 1997 Oct;97(10 Suppl 2):S154-60. doi: 10.1016/s0002-8223(97)00754-2.

DOI:10.1016/s0002-8223(97)00754-2
PMID:9336580
Abstract

Indirect 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.

摘要

间接测热法通过测量氧气消耗量和二氧化碳产生量来计算静息能量消耗和呼吸商。呼吸商可通过间接测热法测定,以确定底物利用情况,并用于调整患者的营养支持方案。在美国生产的间接测热仪中,除了一款之外,其他都是开路系统而非闭路系统。

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