High normal post-load plasma glucose, cardiometabolic risk factors and signs of organ damage in obese children.

To evaluate normoglycemic overweight/obese (Ow/Ob) children whose post-load plasma glucose (2hPG) cut-point may be significantly associated with cardiometabolic risk factors (CMRFs) and whether this cut-point predicts preclinical signs of organ damage.
One thousand seven hundred and thrity four normoglycemic Ow/Ob children were stratified into quintiles of 2hPG, the sixth group was constituted by 101 children with impaired glucose tolerance (IGT).
Moving from the lower quintiles of 2hPG to IGT, the groups differed for Prepubertal stage, BMI, fasting PG, insulin levels, blood pressure, and lipids. To evaluate the best cut-off of 2hPG related to CMRFs, the area under the receiver operating characteristic curve and the Youden's index was calculated. Insulin resistance, high blood pressure, and high triglyceride/HDL-C ratio were associated with a 2hPG cut-off of 110 mg/dl. Children with 2hPG ≥110 mg/dl showed 1.3-3.2 fold higher risk to have high levels of ALT (as surrogate of nonalcoholic fatty liver disease) or increased carotid intima-media thickness.
This study, performed in a large cohort of Ow/Ob children, shows that an atherogenic risk profile and preclinical signs of organ damage are associated with post-challenge elevations in plasma glucose still considered in the high normal range.
AuthorsProcolo Di Bonito, Maria Rosaria Licenziati, Marco Giorgio Baroni, Tiziana Congiu, Michela Incani, Arcangelo Iannuzzi, Claudio Maffeis, Laura Perrone, Giuliana Valerio, Emanuele Miraglia Del Giudice
JournalObesity (Silver Spring, Md.) (Obesity (Silver Spring)) Vol. 22 Issue 8 Pg. 1860-4 (Aug 2014) ISSN: 1930-739X [Electronic] United States
PMID24828845 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
CopyrightCopyright © 2014 The Obesity Society.
Chemical References
  • Blood Glucose
  • HDL-triglyceride
  • Lipids
  • Lipoproteins, HDL
  • Triglycerides
  • Adolescent
  • Atherosclerosis (complications, physiopathology)
  • Blood Glucose (analysis)
  • Carotid Intima-Media Thickness
  • Child
  • Female
  • Glucose Intolerance (complications)
  • Glucose Tolerance Test
  • Humans
  • Hypertension (complications)
  • Insulin Resistance
  • Italy
  • Lipids (blood)
  • Lipoproteins, HDL (blood)
  • Male
  • Obesity (blood)
  • Overweight (complications, physiopathology)
  • Pediatric Obesity (complications, physiopathology)
  • Risk Factors
  • Triglycerides (blood)

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