Fat-derived fuels during a 24-hour fast in children
We examined the availability of fat-derived fuels in 23 normal children aged 1.9 to 16.7 years who fasted for 24 h. We found a rapid and progressive rise in the blood concentrations of free fatty acids (FFA) and ketones. There was a highly significant negative correlation between the concentrations...
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| Veröffentlicht in: | European journal of pediatrics 1982-03, Vol.138 (2), p.141 |
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| container_title | European journal of pediatrics |
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| creator | Wolfsdorf, J I Sadeghi-Nejad, A Senior, B |
| description | We examined the availability of fat-derived fuels in 23 normal children aged 1.9 to 16.7 years who fasted for 24 h. We found a rapid and progressive rise in the blood concentrations of free fatty acids (FFA) and ketones. There was a highly significant negative correlation between the concentrations of beta-hydroxybutyrate (beta OHB) and glucose and also between beta OHB and age. With time, the ratio of beta OHB to acetoacetate (AcAc) progressively increased. We briefly review the vital role of ketones in the adaptation to fasting and point out that qualitative tests of ketones can be misleading. Our results indicate that quantitative determinations are essential in the evaluation of suspected disorders of fuel metabolism and that the results must be interpreted according to the age of the child, the duration of fasting, and the concomitant concentrations of glucose. |
| doi_str_mv | 10.1007/BF00441141 |
| format | Article |
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We found a rapid and progressive rise in the blood concentrations of free fatty acids (FFA) and ketones. There was a highly significant negative correlation between the concentrations of beta-hydroxybutyrate (beta OHB) and glucose and also between beta OHB and age. With time, the ratio of beta OHB to acetoacetate (AcAc) progressively increased. We briefly review the vital role of ketones in the adaptation to fasting and point out that qualitative tests of ketones can be misleading. 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| fulltext | fulltext |
| identifier | ISSN: 0340-6199 |
| ispartof | European journal of pediatrics, 1982-03, Vol.138 (2), p.141 |
| issn | 0340-6199 |
| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Acetoacetates - blood Adolescent Age Factors Blood Glucose - analysis Child Child, Preschool Fasting Fatty Acids, Nonesterified - blood Female Humans Hydroxybutyrates - blood Infant Ketones - blood Lipid Metabolism Male |
| title | Fat-derived fuels during a 24-hour fast in children |
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