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The influence of malnutrition on the postprandial metabolic rate and respiratory quotient

Published online by Cambridge University Press:  09 February 2010

O. G. Brooke  and
Ann Ashworth
O. G. Brooke
Affiliation:
Medical Research Council, Tropical Metabolism Research Unit, University of the West Indies, Kingston 7, Jamaica
Ann Ashworth
Affiliation:
Medical Research Council, Tropical Metabolism Research Unit, University of the West Indies, Kingston 7, Jamaica
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Abstract

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1. Pre- and post-prandial metabolic rates were measured in twelve malnourished Jamaican infants.

2. On admission to hospital, minimal increase in postprandial metabolic rate were found, whereas during the recovery phase when growth was rapid, inreases in postprandial metabolic rate of up to 38% occurred.

3. After recovery only the five children who were still gaining weight at a rate of more than 4 g/kg body-weigh. d continued to show a substantial increase in postprandial metabolism.

4. A highly significant correlation was found between growth rate and the increase in postprandial metabolic rate.

5. Marked differences existed in the respiratory quotient measured 4 h after the last meal, the values being low on admission and high during the phase of rapid growth.

6. After a test meal, the respiratory quotient rose sharply both innewly admitted and in recovered children, but fell slightly when the children were studied during the phase of rapid growth.

Type
Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 27 , Issue 2 , March 1972 , pp. 407 - 415
Copyright
Copyright © The Nutrition Society 1972

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