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Updated: Jun 14, 2025
Determining Basal Energy Expenditure and the Capacity of Thermogenic Adipocytes to Expend Energy in Obese Mice
Published on: November 11, 2021
Total energy expenditure measured using doubly labeled water in adults with major chronic diseases: a systematic
Sarah A Purcell1, Sarah A Craven2, Ana Teresa Limon-Miro3
1Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Chronic Disease Prevention and Management, Faculty of Medicine, University of British Columbia, Kelowna, British Columbia, Canada; School of Health and Exercise Sciences, University of British Columbia Okanagan, Kelowna, British Columbia, Canada.
Background:
Energy requirement assessment is a cornerstone for nutrition practice. The extent to which total energy expenditure (TEE; indicator of energy requirements) has been measured in adults with chronic diseases has not been explored.
Objectives:
This systematic review aimed to characterize evidence on TEE among individuals with chronic diseases and describe TEE across chronic diseases and in comparison to controls without a chronic disease.
Methods:
A literature search using terms related to doubly labeled water and TEE was conducted in PubMed, MEDLINE, Web of Science, and Embase. Eligible articles included those that measured TEE using doubly labeled water in adults with a major chronic disease. Methodological quality was determined using the Academy of Nutrition and Dietetics quality criteria checklist. Sample size-weighted TEE was calculated in each chronic disease subgroup.
Results:
Fifty studies were included, of which 15 had a control group. Median sample size was 20 participants, and approximately half of studies were published over 10 y ago. Thirty-five (70%) studies reported resting energy expenditure, and approximately half (k = 26) reported physical activity level. Methodological quality was neutral (k = 25) or positive (k = 23) for most studies. TEE among individual studies ranged from 934 to 3274 kcal/d. Mean weighted TEE was lowest among gastrointestinal (1786 kcal/d) and neurologic (2104 kcal/d) subgroups and highest among cancer (2903 kcal/d), endocrine (2661 kcal/d), and autoimmune (2625 kcal/d) subgroups. Excluding 1 article in cancer survivors resulted in a low TEE in the cancer subgroup (2112 kcal/d). Most studies with a control group reported no differences in TEE between controls and patients; however, only 1 study was powered for between-group comparisons.
Conclusions:
Energy requirements vary across chronic diseases, although there is insufficient evidence to suggest that TEE in patients with chronic disease is different than that among controls. Further research is needed to inform energy requirement recommendations that consider chronic disease. This review was registered at PROSPERO as CRD42022336500 (https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=336500).
