Resting energy expenditure, activity energy expenditure and total energy expenditure at age 91–96 years.
| Title: | Resting energy expenditure, activity energy expenditure and total energy expenditure at age 91–96 years. |
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| Authors: | Rothenberg, Elisabet M., Bosaeus, Ingvar G., Westerterp, Klaas R., Steen, Bertil C. |
| Source: | British Journal of Nutrition; Sep2000, Vol. 84 Issue 3, p319-324, 6p |
| Abstract: | There is a limited knowledge concerning energy requirements of the elderly, especially the oldest old (> 80 years). Energy requirements should be estimated from measurements of energy expenditure. For this purpose twenty-one free-living individuals (eight males, thirteen females) aged 91–96 years living in Göteborg, Sweden were studied. Total body water (TBW) measured by the doubly-labelled-water (DLW) technique was 29·5 (SD 5·4) KG IN FEMALES AND 35·6 (sd 4·3) kg in males. TBW measured using bioelectric impedance (BIA) was 31·6 (sd 6·4) kg in females and 42·0 (sd 7·4) kg in males. The mean difference between TBW measured by BIA and that measured by DLW was 3·54 (sd 3·6) kg (P = 0·0002). Resting metabolic rate (RMR) was measured using a ventilated-hood system and averaged 5·36 (sd 0·71) MJ/d in females (n 12) and 6·09 (sd 0·91) MJ/d in males (n 8). Difference between measured RMR and predicted BMR (n 20) was 0·015 (sd 0·86) MJ/d (NS). Total energy expenditure (TEE) measured by DLW averaged 6·3 (sd 0·81) MJ/d in females and 8·1 (sd 0·73) MJ/d in males. Activity energy expenditure (TEE - RMR), thus including diet-induced thermogenesis (DIT), averaged 0·95 (sd 0·95) MJ/d in females (n 12) and 2·02 (sd 1·13) MJ/d in males. Physical activity level (TEE/BMR) averaged 1·19 (sd 0·19) in females and 1·36 (sd 0·21) (P = 0·08) in males. If DIT is assumed to be 10 % of the TEE, energy spent on physical activity will be very low in this population. [ABSTRACT FROM PUBLISHER] |
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| Database: | Complementary Index |
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| Items | – Name: Title Label: Title Group: Ti Data: Resting energy expenditure, activity energy expenditure and total energy expenditure at age 91–96 years. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Rothenberg%2C+Elisabet+M%2E%22">Rothenberg, Elisabet M.</searchLink><br /><searchLink fieldCode="AR" term="%22Bosaeus%2C+Ingvar+G%2E%22">Bosaeus, Ingvar G.</searchLink><br /><searchLink fieldCode="AR" term="%22Westerterp%2C+Klaas+R%2E%22">Westerterp, Klaas R.</searchLink><br /><searchLink fieldCode="AR" term="%22Steen%2C+Bertil+C%2E%22">Steen, Bertil C.</searchLink> – Name: TitleSource Label: Source Group: Src Data: British Journal of Nutrition; Sep2000, Vol. 84 Issue 3, p319-324, 6p – Name: Abstract Label: Abstract Group: Ab Data: There is a limited knowledge concerning energy requirements of the elderly, especially the oldest old (> 80 years). Energy requirements should be estimated from measurements of energy expenditure. For this purpose twenty-one free-living individuals (eight males, thirteen females) aged 91–96 years living in Göteborg, Sweden were studied. Total body water (TBW) measured by the doubly-labelled-water (DLW) technique was 29·5 (SD 5·4) KG IN FEMALES AND 35·6 (sd 4·3) kg in males. TBW measured using bioelectric impedance (BIA) was 31·6 (sd 6·4) kg in females and 42·0 (sd 7·4) kg in males. The mean difference between TBW measured by BIA and that measured by DLW was 3·54 (sd 3·6) kg (P = 0·0002). Resting metabolic rate (RMR) was measured using a ventilated-hood system and averaged 5·36 (sd 0·71) MJ/d in females (n 12) and 6·09 (sd 0·91) MJ/d in males (n 8). Difference between measured RMR and predicted BMR (n 20) was 0·015 (sd 0·86) MJ/d (NS). Total energy expenditure (TEE) measured by DLW averaged 6·3 (sd 0·81) MJ/d in females and 8·1 (sd 0·73) MJ/d in males. Activity energy expenditure (TEE - RMR), thus including diet-induced thermogenesis (DIT), averaged 0·95 (sd 0·95) MJ/d in females (n 12) and 2·02 (sd 1·13) MJ/d in males. Physical activity level (TEE/BMR) averaged 1·19 (sd 0·19) in females and 1·36 (sd 0·21) (P = 0·08) in males. If DIT is assumed to be 10 % of the TEE, energy spent on physical activity will be very low in this population. [ABSTRACT FROM PUBLISHER] – Name: Abstract Label: Group: Ab Data: <i>Copyright of British Journal of Nutrition is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1017/S0007114500001598 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 319 Titles: – TitleFull: Resting energy expenditure, activity energy expenditure and total energy expenditure at age 91–96 years. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Rothenberg, Elisabet M. – PersonEntity: Name: NameFull: Bosaeus, Ingvar G. – PersonEntity: Name: NameFull: Westerterp, Klaas R. – PersonEntity: Name: NameFull: Steen, Bertil C. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 09 Text: Sep2000 Type: published Y: 2000 Identifiers: – Type: issn-print Value: 00071145 Numbering: – Type: volume Value: 84 – Type: issue Value: 3 Titles: – TitleFull: British Journal of Nutrition Type: main |
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