Energy Requirements in Hospitalized Elderly People
Abstract
Objectives To estimate energy intake and energy expenditure (EE) in elderly hospitalized patients recovering from an acute illness. Design Cross-sectional evaluation of the disparity between energy intake and expenditure. Participants Ninety geriatric patients (mean age+/-standard deviation 79.7+/-7.5) admitted to acute care or rehabilitation units. Measurements Patients' energy intake and resting EE (REE) were measured over a 3-day period. Blood samples were taken to determine C-reactive protein (CRP), creatinine, and albumin concentrations and to check renal function. Results Energy intake was higher than REE by a factor of 1.29, but it was lower than the energy requirement. Energy intake, adjusted for differences in body weight, was independent of sex, highest in those who were malnourished (defined as a body mass index (BMI) Conclusion The mean REE of the geriatric patients studied was 18.8 kcal/kg per day, whereas energy intake was just sufficient to cover minimal requirements. Thus, hospitalized elderly patients are likely to benefit from higher calorie intake.
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In healthy and sick elderly persons, measurements of resting energy expenditure resulted in about 20 kcal/kg body weight and day.
“In healthy and sick elderly persons, measurements of REE resulted in about 20 kcal/kg body weight (BW) and day (14)(15)(16).”
From ESPEN practical guideline: Clinical nutrition and hydration in geriatrics (2022) · cites this paper as [14]
Cites
Energy Expenditure of Rhesus Monkeys Subjected to 11 Years of Dietary Restriction
Blanc, S., Schoeller, D., Kemnitz, J., Weindruch, R., Colman, R., Newton, W., Wink, K., Baum, S., & Ramsey, J. (2003) · The Journal of Clinical Endocrinology & Metabolism · doi:10.1210/jc.2002-020405 · Cited by 128 · see citing works
Energy requirements in frail elderly people: A review of the literature
Gaillard, C., Alix, E., Sallé, A., Berrut, G., & Ritz, P. (2007) · Clinical Nutrition · doi:10.1016/j.clnu.2006.08.003 · Cited by 123 · see citing works
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ESPEN practical guideline: Clinical nutrition and hydration in geriatrics
Volkert, D., Beck, A. M., Cederholm, T., Cruz-Jentoft, A., Hooper, L., Kiesswetter, E., Maggio, M., Raynaud-Simon, A., Sieber, C., Sobotka, L., et al. (2022) · Clinical Nutrition · doi:10.1016/j.clnu.2022.01.024 · Cited by 516 · see citing works
- Authors
- Alix, E., Berrut, G., Boré, M., Bouthier‐Quintard, F., Buia, J. M., Chlala, A., Cledat, Y., D'Orsay, G., Lavigne, C., Levasseur, R., Mouzet, J. B., Ombredanne, M. P., Sallé, A., Gaillard, C., & Ritz, P.
- Affiliations
- Inserm (FR)
- Venue
- Journal of the American Geriatrics Society
- Publisher
- Wiley
- Published
- 2007-06-18
- Volume
- 55
- Issue
- 7
- Pages
- 1085-1089
- ISSN
- 0002-8614 (ISSN-L)
- 1532-5415
- OpenAlex
- W1555311685
- Cited by
- 74
- References
- 2
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 3 · 2023: 4 · 2022: 3 · 2021: 2 · 2020: 7 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 5 · 2015: 4 · 2014: 5 · 2013: 3 · 2012: 7
- FWCI
- 4.64
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the American Geriatrics Society (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Microsoft
- World Health Organization
- Topics
- Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutrition and Health Studies
- Keywords
- energy requirements, energy expenditure, energy intake, hospitalized older adults, elderly patients, malnutrition, body mass index, Harris-Benedict equation, C-reactive protein, rehabilitation units, nutritional status
- MeSH terms
- Aged, Aged, 80 and over, C-Reactive Protein, Energy Intake, Calorimetry, Indirect, Creatinine, Cross-Sectional Studies, Energy Metabolism, Female, France, Humans, Inpatients, Male, Nephelometry and Turbidimetry, Rest, Retrospective Studies, Serum Albumin, Geriatric Assessment, Body Mass Index, Prevalence, Malnutrition
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