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Nitrogen balance studies in apparently healthy elderly people and those who are housebound

Published online by Cambridge University Press:  09 March 2007

Valda W. Bunker ,
Margaret S. Lawson ,
Maureen F. Stansfield  and
Barbara E. Clayton
Valda W. Bunker
Affiliation:
Department of Chemical Pathology and Human Metabolism
Margaret S. Lawson
Affiliation:
Department of Food and Biological Sciences, The Polytechnic of North London N8 7DB
Maureen F. Stansfield
Affiliation:
Department of Geriatric Medicine, Medical Faculty of the University of Southampton, Level D, South Laboratory Block, Southampton General Hospital, Southampton SO9 4XY
Barbara E. Clayton
Affiliation:
Department of Chemical Pathology and Human Metabolism
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Abstract

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1. Metabolic balance studies (5 d) for nitrogen were carried out in twenty-four apparently healthy elderly people (age 69.7–85.6 years) and a heterogeneous group of twenty housebound elderly people (age 69.9–85.1 years) with chronic diseases. During the study all subjects ate self-selected diets, lived in their own homes and continued their normal daily activities. Seven of the housebound received meals-on-wheels 5 d/week.

2. Healthy men and women had mean metabolizable energy intakes of 8.7 and 6.6 MJ/d respectively compared with 6.3 and 4.8 MJ/d in the housebound. The average energy content of the meals-on-wheels as delivered was 2.4 MJ per meal, of which 2.1 MJ were consumed.

3. The healthy men and women had average daily protein intakes of 69.4 and 59.7 g respectively compared with 46.3 and 39.1 g in the housebound. Meals-on-wheels as supplied provided 19.4 g protein per meal, of which 16.2 g were consumed.

4. Healthy subjects were in equilibrium for N balance (0 mmol/d) with a daily intake of 733 mmol, which was equivalent to 11.04 mmol N (0.97 g mixed protein)/kg body-weight per d. Housebound individuals were in negative N balance (–95 mmol/d) with an intake of 475 mmol/d, corresponding to 7.59 mmol N (0.67 g mixed protein)/kg body-weight per d.

5. We were unable to determine in the present study whether the negative N balance observed in the housebound people was due to the relatively low N intake or the underlying disease condition.

Type
Papers of direct relevance to Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 57 , Issue 2 , March 1987 , pp. 211 - 221
Copyright
Copyright © The Nutrition Society 1987

References

REFERENCES

Acheson, K. J., Campbell, I. T., Edholm, O. G., Miller, D. S. & Stock, M. J. (1980). American Journal of Clinical Nutrition 33, 1147–1154.CrossRefGoogle Scholar
Albanese, A. A., Higgins, R. A., Oreto, L. A. & Zavattaro, D. N. (1957). Geriatrics 12, 465–475.Google Scholar
Armitage, P. (1971). Statistical Methods in Medical Research. Oxford: Blackwell Scientific Publications.Google Scholar
Bunker, V. W., Lawson, M. S. & Clayton, B. E. (1982). Human Nutrition: Clinical Nutrition 36C, 213–221.Google Scholar
Bunker, V. W., Lawson, M. S. & Clayton, B. E. (1984). Journal of Clinical Pathology 37, 1353–1557.Google Scholar
Calloway, D. H. & Margen, S. (1971). Journal of Nutrition 101, 205–216.CrossRefGoogle Scholar
Calloway, D. H., Odell, A. C. F. & Margen, S. (1971). Journal of Nutrition 101, 775–786.Google Scholar
Cheng, A. H. R., Gomez, A., Bergan, J. G., Lee, T. C., Monckeberry, F. & Chichester, C. O. (1978). American Journal of Clinical Nutrition 31, 12–22.CrossRefGoogle Scholar
Chinn, A. B., Lavik, P. S. & Cameron, D. B. (1956). Journal of Gerontology 11, 151–153.Google Scholar
Davies, L., Hastrop, K. & Bender, A. E. (1974). Modern Geriatrics 4, 220–226.Google Scholar
Davies, L., Hastrop, K. & Bender, A. E. (1975). Modern Geriatrics 5, 12–20.Google Scholar
Department of Health and Social Security (1972) A Nutrition Survey of the Elderly. Report on Health and Social Subjects no. 3. London: H.M. Stationery Office.Google Scholar
Department of Health and Social Security (1979 a). Recommended Daily Amounts of Food Energy and Nutrients for Groups of People in the UK. Report on Health and Social Subjects no. 15. London: H.M. Stationery Office.Google Scholar
Department of Health and social security (1979 b). Nutrition and Health in Old Age. Report on Health and Social Subjects no. 16. London: H.M. Stationery Office.Google Scholar
Durnin, J. V. G. A. (1983). In Nutritional Problems of the Elderly, pp. 16–30 [Somogyi, J. C. and Fidanza, F., editors]. Basel: S. Karger.Google Scholar
Exton-smith, A. N. (1980). In Metabolic and Nutritional Disorders in the Elderly, pp. 66–76 [Exton-Smith, A. N. and Caird, F. I., editors]. Bristol: John Wright and Sons.Google Scholar
Exton-Smith, A. N. & Stanton, B. R. (1965). Report of an Investigation into the Dietary of Elderly Women Living Alone. London: King Edward's Hospital Fund.Google Scholar
Exton-smith, A. N., Stanton, B. R. & Windsor, A. C. M. (1972). Nutrition of Housebound Old People. London: King Edward's Hospital Fund.Google Scholar
Food ad Agriculture Organization/World Health Organization (1973). Energy and Protein Requirements. Technical Report Series no. 522. Geneva: WHO.Google Scholar
Food and Nutrition Board (1980). Recommended Dietary Allowances, 9th revised ed. Washington DC: National Academy of Sciences.Google Scholar
Gersovitz, M., Motil, K., Munro, H. N., Scrimshaw, N. S. & Young, V.R. (1982). American Journal of Clinical Nutrition 35, 6–14.CrossRefGoogle Scholar
Kipps, M. & Thomson, J. (1984). Nutrition and Food Sciences May/June, 8–10.Google Scholar
Kountz, W. B., Ackermann, P. G., Kheim, T. & Toro, G. (1953). Geriatrics 8, 63–69.Google Scholar
Kountz, W. B., Hofstatter, L. & Ackermann, P. G. (1947). Geriatrics 2, 173–182.Google Scholar
Kountz, W. B., Hofstatter, L. & Ackermann, P. G. (1948). Geriatrics 3, 171–184.Google Scholar
Kountz, W. B., Hofstatter, L. & Ackermann, P. G. (1951). Journal of Gerontology 6, 20–33.CrossRefGoogle Scholar
Lonergan, M. E., Milne, J. S., Maule, M. M. & Williamson, J. (1975). British Journal of Nutrition 34, 517–527.Google Scholar
Macleod, C. C., Judge, T. G. & Caird, F. I. (1974). Age and Ageing 3, 158–166.CrossRefGoogle Scholar
Miller, D. S. & Payne, P. R. (1959). British Journal of Nutrition 13, 501–508.CrossRefGoogle Scholar
Morgan, D. B. (1983). Annals of Clinical Biochemistry 20, 257–261.CrossRefGoogle Scholar
Munro, H. N. (1981). British Medical Bulletin 37, 83–88.Google Scholar
Munro, H. N. (1983). In Nutritional Problems of the Elderly, pp. 61–74. [Somogyi, J. C. and Fidanza, F., editors]. Basel: S. Karger.Google Scholar
Scrimshaw, N. S., Hussein, M. A., Murray, E., Rand, W. M. & Young, V. R. (1972). Journal of Nutrition 102, 1595–1604.Google Scholar
Scrimshaw, N. S., Perera, W. D. A. & Young, V. R. (1976). Journal of Nutrition 106, 665–670.CrossRefGoogle Scholar
Southgate, D. A. T. & Durnin, J. V. G. A. (1970). British Journal of Nutrition 24, 517–535.Google Scholar
Stanton, B. R. (1971). Meals for the Elderly. A Report on Meals-on-Wheels and Luncheon Clubs in Two North London Boroughs. London: King Edward's Hospital Fund.Google Scholar
Stanton, B. R. & Exton-Smith, A. N. (1970). A Longitudinal Study of the Dietary of Elderly Women. London: King Edward's Hospital Fund.Google Scholar
Stock, A. L. & Wheeler, E. F. (1972). British Journal of Nutrition 27, 439–448.CrossRefGoogle Scholar
Turner, M. & Glew, G. (1982). Food Technology 07, 46–50.Google Scholar
Uauy, R., Scrimshaw, N. S., Rand, W. M. & Young, V. R. (1978 a). Journal of Nutrition 108, 97–103.Google Scholar
Uauy, R., Scrimshaw, N. S. & Young, V. R. (1978 b). American Journal of Clinical Nutrition 31, 779–785.CrossRefGoogle Scholar
Vir, S. C. & Love, A. H. G. (1979). American Journal of Clinical Nutrition 32, 1934–1947.CrossRefGoogle Scholar
Watkin, D. M., Froeb, H. F., Hatch, F. T. & Gutman, A. B. (1950). American Journal of Medicine 9, 441–493.CrossRefGoogle Scholar
Widdowson, E. M. & Kennedy, G. C. (1962). Proceedings of the Royal Society: Biological Sciences 156, 96–108.Google Scholar
Zanni, E., Calloway, D. H. & Zezulka, A. Y. (1979). Journal of Nutrition 109, 513–524.Google Scholar