Mechanisms behind decreased endogenous glucose production in malnourished children

Pediatric Research
Robert H J BandsmaGeert Tom Heikens

Abstract

Severe malnutrition is a major health problem in developing countries and can present itself as kwashiorkor or marasmus. Although marasmus is characterized by clinical wasting, kwashiorkor is associated with peripheral edema, oxidative stress, hypoalbuminemia, and hypoglycemia. The etiology of the hypoglycemia is poorly understood. We determined endogenous glucose production (EGP) in children with severe malnutrition. Children with kwashiorkor, marasmus, and controls received a primed constant infusion of [6,6H2]glucose for 2 h. An i.v. bolus of 13C-ketoisocaproic acid (KIC) was given, and breath samples were obtained during 2 h. Isotope dilution was used to calculate EGP, and 13CO2/12CO2 production was determined. Mean EGP ± SEM was 5.5 ± 0.3 mg/kg/min in the kwashiorkor group and 6.9 ± 0.4 mg/kg/min and 7.6 ± 0.7 mg/kg/min in the marasmic and control group, respectively, (p < 0.05 kwashiorkor versus marasmus and controls). EGP correlated with serum albumin concentration (r = 0.67; p < 0.001) and urinary 8-hydroxydeoxyguanosine as a marker of oxidative stress (r = -0.62; p < 0.005). 13CO2 secretion as a marker of hepatic mitochondrial function was significantly higher in the marasmic group compared with kwashiorkor and control...Continue Reading

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Citations

May 19, 2012·AIDS Research and Treatment·Indi TrehanGeert Tom Heikens
Dec 7, 2014·The Journal of Physiology·Adriano GuetgFrançois Verrey
Oct 28, 2015·The American Journal of Tropical Medicine and Hygiene·Lola MadridQuique Bassat
Nov 4, 2016·The Journal of Nutrition·Valeria Di GiovanniRobert Hj Bandsma

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