Correlation between hyperghrelinemia and carotid artery intima-media thickness in children with Prader-Willi syndrome
- PMID: 20376885
- PMCID: PMC2852788
- DOI: 10.3349/ymj.2010.51.3.339
Correlation between hyperghrelinemia and carotid artery intima-media thickness in children with Prader-Willi syndrome
Abstract
Purpose: Prader-Willi syndrome (PWS) is a genetic disorder characterized by childhood-onset obesity and endocrine dysfunction that leads to cardiovascular disability. The objective of the study is to assess the relationship between carotid intima-media thickness (IMT) and atherosclerotic risk factors.
Materials and methods: Twenty-seven PWS children and 24 normal controls were enrolled. Correlations of IMT with atherosclerotic risk factors were assessed.
Results: IMTs in the PWS group did not differ from those in the controls (p = 0.172), although total ghrelin levels were higher in the PWS children (p = 0.003). The multivariate analysis revealed positive correlations between total ghrelin levels ( = 0.489, p = 0.046) and IMT in the PWS group and between body mass index-standard deviation score (BMI-SDS) ( = 0.697, p = 0.005) and IMT in the controls.
Conclusion: Considering the positive correlation of IMT with total ghrelin levels and the high level of ghrelin in PWS children, a further study is warranted to evaluate the role of elevated ghrelin on atherosclerosis for PWS.
Conflict of interest statement
The authors have no financial conflicts of interest.
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