Indirect calorimetry (IC) is considered as the gold standard to determine energy expenditure, by measuring pulmonary gas exchanges.
It is a non-invasive technique that allows clinicians to personalize the prescription of nutrition support to the metabolic needs and promote a better clinical outcome.
Recent technical developments allow accurate and easy IC measurements in spontaneously breathing patients as well as in those on mechanical ventilation. The implementation of IC in clinical routine should be promoted in order to optimize the cost–benefit balance of nutrition therapy. This review aims at summarizing the latest innovations of IC as well as the clinical indications, benefits, and limitations.
The optimization of nutrition therapy is crucial for global patient care. In order to prevent under- and over-feeding and their related complications, it is important to accurately assess REE in individual patients and to ensure adapted nutrition support. IC is considered as the gold standard to this purpose and ideally any patients in whom energy needs are uncertain should be measured.
The Microlife BodyGem and MedGem indirect calorimetry devices measure your clients Resting Metabolic Rate, to optimize their weight loss results.
Instead of estimating RMR with the Harris-Benedict or Katch-McArdle formula, the BodyGem and MedGem scientifically measure a clients Metabolic Fingerprint, that is unique to them.
Estimation formulas cannot factor in thyroid issues, the effects of medications, etc.
For the best care, the American Dietetics Association recommends using indirect calorimetry to measure RMR for the most accurate assessment of nutritional needs.
The BodyGem and MedGem are the same type indirect calorimeter. They have the same functionality, accuracy and reliability.
The difference is that the MedGem is a FDA 510K-cleared, class II, medical device, which allows licensed clinicians to make insurance claims on their measurements.
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Article source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6780066/