Predicting Energy Requirements in the Clinical Setting: Are Current Methods Evidence Based?
Abstract
Estimating energy requirements is necessary in clinical practice when indirect calorimetry is impractical. This paper systematically reviews current methods for estimating energy requirements. Conclusions include: there is discrepancy between the characteristics of populations upon which predictive equations are based and current populations; tools are not well understood; and patient care can be compromised by inappropriate application of the tools. Data comparing tools and methods are presented and issues for practitioners are discussed.
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Energy requirements in polymorbid medical inpatients can be estimated using indirect calorimetry, a published prediction equation or a weight-based formula, although the accuracy of prediction equations in this population is low.
“Energy requirements in polymorbid medical inpatients can be estimated using indirect calorimetry (IC), a published prediction equation or a weight-based formula, although the accuracy of prediction equations in this population is low.”
From ESPEN guideline on nutritional support for polymorbid medical inpatients (2023) · cites this paper as [65]
The Introduction describes indirect calorimetry and prediction equations, General Estimates describes weight-based formulas, and Implication for Current Practice says current prediction methods do not determine energy requirements accurately. The review discusses clinical and hospitalized patients, but does not establish the accuracy of prediction equations specifically in polymorbid medical inpatients. Page numbers were not supplied in our copy. (LLM, conf=0.86)
Experimental — accuracy not yet measuredNo single validated method for estimating energy requirements exists, and the evidence-base for all prediction methods currently in use is poor.
“No single, validated method for estimating requirements exists, and the evidence-base for all prediction methods currently in use is poor [65].”
From ESPEN guideline on nutritional support for polymorbid medical inpatients (2023) · cites this paper as [65]
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ESPEN guidelines on nutritional support for polymorbid internal medicine patients
Gomes, F., Schuetz, P., Bounoure, L., Austin, P., Ballesteros-Pomar, M., Cederholm, T., Fletcher, J., Laviano, A., Norman, K., Poulia, K.-A., et al. (2018) · Clinical Nutrition · doi:10.1016/j.clnu.2017.06.025 · Cited by 363 · see citing works
ESPEN guideline on nutritional support for polymorbid medical inpatients
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“No single, validated method for estimating requirements exists, and the evidence-base for all prediction methods currently in use is poor [65].”
- Authors
- Reeves, M. M., & Capra, S.
- Affiliations
- Queensland University of Technology (AU)
- Venue
- Nutrition Reviews
- Publisher
- Oxford University Press (OUP)
- Published
- 2003-04-01
- Volume
- 61
- Issue
- 4
- Pages
- 143-151
- ISSN
- 0029-6643 (ISSN-L)
- 1753-4887
- OpenAlex
- W2167722121
- Cited by
- 97
- References
- 4
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 3 · 2020: 5 · 2019: 3 · 2018: 4 · 2017: 6 · 2016: 2 · 2015: 8 · 2014: 5 · 2013: 5 · 2012: 6
- FWCI
- 0.67
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Nutrition Reviews (publishedVersion)
- PubMed (publishedVersion)
- Funders
- British Dietetic Association
- Topics
- Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
- Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
- Health Sciences › Health Professions › Health Information Management › Dietetics, Nutrition, and Education
- Keywords
- energy requirements, load forecasting, prediction equations, clinical nutrition, indirect calorimetry, evidence-based practice, energy expenditure estimation
- MeSH terms
- Adult, Basal Metabolism, Female, Humans, Male, Predictive Value of Tests, Evidence-Based Medicine
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