Glucose effectiveness in obese children

Relation to degree of obesity and dysglycemia

Ram Weiss, Sheela Magge, Nicola Santoro, Cosimo Giannini, Raymond Boston, Tara Holder, Melissa Shaw, Elvira Duran, Karen J. Hershkop, Sonia Caprio

Research output: Contribution to journalArticle

Abstract

OBJECTIVE Impaired glucose effectiveness (GE) plays a role in the deterioration of glucose metabolism. Our aim was to validate a surrogate of GE derived from an oral glucose tolerance test (OGTT) and to assess the impact of degrees of obesity and of glucose tolerance on it. RESEARCH DESIGN AND METHODS The OGTT-derived surrogate of GE (oGE) was validated in obese adolescents who underwent an OGTT and an intravenous glucose tolerance test (IVGTT). We then evaluated anthropometric determinants of the oGE and its impact on the dynamics of glucose tolerance in a cohort of children with varying degrees of obesity. RESULTS The correlation of oGE and IVGTT-derived GE in 98 obese adolescents was r = 0.35 (P < 0.001) as a whole and r = 0.51 (P < 0.001) in subjects with normal glucose tolerance. In a cohort of 1,418 children, the adjusted GE was associated with increasing obesity (P < 0.001 for each category of obesity). Quartiles of oGE and the oral disposition index were associated with 2-h glucose levels (P < 0.001 for both). Among 421 nondiabetic obese subjects (276 subjects with normal glucose tolerance/145 subjects with impaired glucose tolerance who repeated their OGTT after a mean time of 28 6 16 months), oGE changes were tightly associated with weight (r = 0.83, P < 0.001) and waist circumference changes (r = 0.67, P < 0.001). Baseline oGE and changes in oGE over time emerged as significant predictors of the change in 2-h glucose levels (standardized B = 20.76 and B = 20.98 respectively, P < 0.001 for both). CONCLUSIONS The oGE is associated with the degree of and changes in weight and waist circumference and is an independent predictor of glucose tolerance dynamics.

Original languageEnglish (US)
Pages (from-to)689-695
Number of pages7
JournalDiabetes Care
Volume38
Issue number4
DOIs
StatePublished - Apr 1 2015
Externally publishedYes

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Obesity
Glucose
Glucose Tolerance Test
Waist Circumference
Weights and Measures
Glucose Intolerance

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Advanced and Specialized Nursing

Cite this

Weiss, R., Magge, S., Santoro, N., Giannini, C., Boston, R., Holder, T., ... Caprio, S. (2015). Glucose effectiveness in obese children: Relation to degree of obesity and dysglycemia. Diabetes Care, 38(4), 689-695. https://doi.org/10.2337/dc14-2183

Glucose effectiveness in obese children : Relation to degree of obesity and dysglycemia. / Weiss, Ram; Magge, Sheela; Santoro, Nicola; Giannini, Cosimo; Boston, Raymond; Holder, Tara; Shaw, Melissa; Duran, Elvira; Hershkop, Karen J.; Caprio, Sonia.

In: Diabetes Care, Vol. 38, No. 4, 01.04.2015, p. 689-695.

Research output: Contribution to journalArticle

Weiss, R, Magge, S, Santoro, N, Giannini, C, Boston, R, Holder, T, Shaw, M, Duran, E, Hershkop, KJ & Caprio, S 2015, 'Glucose effectiveness in obese children: Relation to degree of obesity and dysglycemia', Diabetes Care, vol. 38, no. 4, pp. 689-695. https://doi.org/10.2337/dc14-2183
Weiss, Ram ; Magge, Sheela ; Santoro, Nicola ; Giannini, Cosimo ; Boston, Raymond ; Holder, Tara ; Shaw, Melissa ; Duran, Elvira ; Hershkop, Karen J. ; Caprio, Sonia. / Glucose effectiveness in obese children : Relation to degree of obesity and dysglycemia. In: Diabetes Care. 2015 ; Vol. 38, No. 4. pp. 689-695.
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