期刊
ATHEROSCLEROSIS
卷 210, 期 2, 页码 656-661出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.atherosclerosis.2010.01.007
关键词
Obesity; Atherosclerosis; Calcium; Risk factors
资金
- National Heart, Lung and Blood Institute's Framingham Heart Study [N01-HC-25195]
- National Heart Foundation of Australia
- Royal Australian College of Physicians Research and Education Committee
Objective: Perivascular fat through the secretion of paracrine and pro-inflammatory mediators may play a role in obesity-mediated vascular disease. We sought to examine associations between adipose tissue depots immediately surrounding the thoracic aorta, metabolic risk factors, and vascular calcification. Methods: In participants free of cardiovascular disease (CVD) from the Framingham Heart Study Offspring cohort who underwent computed tomography (n = 1067, mean age 59 years, 56.1% women), thoracic periaortic fat depots were quantified. Visceral abdominal tissue (VAT) and calcification of the thoracic and abdominal aorta were also measured. Results: Peri-aortic fat depots were correlated with body mass index, waist circumference (WC), VAT (all p < 0.0001), hypertension (p = 0.007), low HDL (p < 0.0001), serum triglycerides (p < 0.0001), impaired fasting glucose (p = 0.005), and diabetes (p = 0.02). These associations generally remained significant after adjustment for BMI and WC (all p-values < 0.05), but not after VAT adjustment. Thoracic aortic fat was associated with thoracic calcification in models containing VAT (OR 1.31, 95% CI 1.01-1.71, p = 0.04), but was not significant after adjustment for CVD risk factors (OR 1.16, 95% CI 0.88-1.51, p = 0.30). Thoracic aortic fat, however, was associated with abdominal aortic calcification (OR 1.48, 95% CI 1.11-1.98, p = 0.008) and coronary artery calcification (OR 1.47, 95% CI 1.09-1.98, p = 0.001) even in models including CVD risk factors and VAT. Conclusions: Thoracic peri-aortic fat is associated with measures of adiposity, metabolic risk factors, and coronary and abdominal aortic calcification. Published by Elsevier Ireland Ltd.
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