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Energy requirements in hospitalized elderly people.
J Am Geriatr Soc. 2007 Jul; 55(7):1085-9.JA

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) <21), and lowest in patients who scored poorly on the Mini-Mental State Examination. Energy intake and REE were independent of plasma CRP, creatinine, and albumin concentrations, as well as the initial diagnosis. REE was similar in men and women, at 18.8 kcal/kg per day. REE was 21.4 kcal/kg per day in patients with a BMI of 21 or less and 18.4 kcal/kg per day in those with a BMI greater than 21 kg/m2. The Harris-Benedict equation accurately predicted mean REE.

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.

Authors+Show Affiliations

Department of Geriatrics, General Hospital, Le Mans, France.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Multicenter Study
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17608883

Citation

Alix, Emmanuel, et al. "Energy Requirements in Hospitalized Elderly People." Journal of the American Geriatrics Society, vol. 55, no. 7, 2007, pp. 1085-9.
Alix E, Berrut G, Boré M, et al. Energy requirements in hospitalized elderly people. J Am Geriatr Soc. 2007;55(7):1085-9.
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. (2007). Energy requirements in hospitalized elderly people. Journal of the American Geriatrics Society, 55(7), 1085-9.
Alix E, et al. Energy Requirements in Hospitalized Elderly People. J Am Geriatr Soc. 2007;55(7):1085-9. PubMed PMID: 17608883.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Energy requirements in hospitalized elderly people. AU - Alix,Emmanuel, AU - Berrut,Gilles, AU - Boré,Maryvonne, AU - Bouthier-Quintard,Françoise, AU - Buia,Jean Marie, AU - Chlala,André, AU - Cledat,Yves, AU - d'Orsay,Geneviève, AU - Lavigne,Christian, AU - Levasseur,Régis, AU - Mouzet,Jean Baptiste, AU - Ombredanne,Marie Pierre, AU - Sallé,Agnès, AU - Gaillard,Cathy, AU - Ritz,Patrick, PY - 2007/7/5/pubmed PY - 2007/9/12/medline PY - 2007/7/5/entrez SP - 1085 EP - 9 JF - Journal of the American Geriatrics Society JO - J Am Geriatr Soc VL - 55 IS - 7 N2 - 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) <21), and lowest in patients who scored poorly on the Mini-Mental State Examination. Energy intake and REE were independent of plasma CRP, creatinine, and albumin concentrations, as well as the initial diagnosis. REE was similar in men and women, at 18.8 kcal/kg per day. REE was 21.4 kcal/kg per day in patients with a BMI of 21 or less and 18.4 kcal/kg per day in those with a BMI greater than 21 kg/m2. The Harris-Benedict equation accurately predicted mean REE. 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. SN - 0002-8614 UR - https://www.unboundmedicine.com/medline/citation/17608883/Energy_requirements_in_hospitalized_elderly_people_ L2 - https://doi.org/10.1111/j.1532-5415.2007.01236.x DB - PRIME DP - Unbound Medicine ER -