Factors associated with early atherosclerosis and arterial calcifications in young subjects with a benign phenotype of obesity

Luisa Gilardini, Lucia Pasqualinotto, Silvia Di Matteo, Katherine Caffetto, Marina Croci, Andrea Girola, Cecilia Invitti

Research output: Contribution to journalArticle

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Abstract

We assessed (i) the association between early arterial disease and factors linked to adiposity, dietary habits, and family in a young cohort of 151 obese children and adolescents with less than or equal to one cardiovascular (CV) risk factor, (ii) whether in subjects with carotid calcifications there was an imbalance of calcium-phosphorus homeostasis. Measurement included: carotid ultrasound, oral glucose tolerance test, anthropometry, body composition, dietary history, white blood cells count, lipids, uric acid, adiponectin, insulin, C-reactive protein, plasminogen activator inhibitor 1 (PAI-1), 25-hydroxyvitamin D, parathyroid hormone (PTH), calcium and phosphorus. Obese children with carotid artery intima media thickness (cIMT) values 75°percentile (0.55mm), compared to those with lower cIMT, were more obese, more often pubertal and had higher prevalence of family history of CV disease (CVD) (P≤0.05), higher plasma PAI-1 and uric acid (P≤0.001) and lower adiponectin (P≤0.05) and high-density lipoprotein (HDL) cholesterol levels (P≤0.05). After adjustment for sex, age, puberty, obesity, and insulin levels, only PAI-I remained significantly different between the two groups (10.9 (7.2-29.8) vs. 6.2 (4.3-10.6) ng/ml, P≤0.001). Dietary intake did not affect cIMT values. Eight percent of subjects showed nonatherosclerotic carotid calcifications with patchy pattern. These children had a worse lipid profile (P≤0.05) and higher plasma PTH levels (48.6 21.5 vs 38.5 16.9pg/ml, P≤0.05) that were inversely associated with 25-hydroxyvitamin D levels (r = 0.245, P≤0.01). Present results suggest that (i) several adiposity-related factors may play a role in promoting the development of early arterial diseases in young subjects with a benign phenotype of obesity, (ii) a PTH rise resulting from a subclinical imbalance in calcium-phosphorus homeostasis may affect the biological process of vascular calcifications.

Original languageEnglish
Pages (from-to)1684-1689
Number of pages6
JournalObesity
Volume19
Issue number8
DOIs
Publication statusPublished - Aug 2011

Fingerprint

Carotid Intima-Media Thickness
Parathyroid Hormone
Carotid Arteries
Phosphorus
Atherosclerosis
Obesity
Adiponectin
Plasminogen Activator Inhibitor 1
Adiposity
Uric Acid
Calcium
Phenotype
Homeostasis
Insulin
Vascular Calcification
Biological Phenomena
Lipids
Anthropometry
Feeding Behavior
Puberty

ASJC Scopus subject areas

  • Endocrinology
  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics

Cite this

Factors associated with early atherosclerosis and arterial calcifications in young subjects with a benign phenotype of obesity. / Gilardini, Luisa; Pasqualinotto, Lucia; Di Matteo, Silvia; Caffetto, Katherine; Croci, Marina; Girola, Andrea; Invitti, Cecilia.

In: Obesity, Vol. 19, No. 8, 08.2011, p. 1684-1689.

Research output: Contribution to journalArticle

Gilardini, Luisa ; Pasqualinotto, Lucia ; Di Matteo, Silvia ; Caffetto, Katherine ; Croci, Marina ; Girola, Andrea ; Invitti, Cecilia. / Factors associated with early atherosclerosis and arterial calcifications in young subjects with a benign phenotype of obesity. In: Obesity. 2011 ; Vol. 19, No. 8. pp. 1684-1689.
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