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  • Title: Obesity, visceral adiposity and carotid atherosclerosis.
    Author: Haberka M, Skilton M, Biedroń M, Szóstak-Janiak K, Partyka M, Matla M, Gąsior Z.
    Journal: J Diabetes Complications; 2019 Apr; 33(4):302-306. PubMed ID: 30770289.
    Abstract:
    UNLABELLED: Carotid artery atherosclerosis is a complex and multifactorial chronic disease. Our aim was to assess the associations between obesity, fat depots and carotid artery stenosis (CAS) in patients with high cardiovascular (CV) risk. METHODS: The study group included 391 patients (F/M: 136/255 pts.; age: 61.8 ± 8 years) scheduled for elective coronary angiography. A comprehensive clinical assessment included a carotid artery and abdominal ultrasound involving the following fat depots: (1) carotid extra-media thickness (EMT) indexed to the body mass index (perivascular adipose tissue [PVAT]), and (2) abdominal visceral and subcutaneous fat. RESULTS: Patients with a ≥50% stenosis of internal carotid artery (ICA) were older (65.9 ± 7 vs 60.3 ± 7 years, p < 0.0001) and had increased PVAT (836 ± 120 vs 779 ± 127 μm, p < 0.01) compared to individuals with <50% internal carotid artery stenosis. None of the CAS parameters were associated with any measures of obesity. Multivariable regression model showed that age (p < 0.0001), PVAT (p < 0.0001) and smoking (p = 0.04) were independently associated with the severity of ICA stenosis. CONCLUSIONS: Our study showed that carotid extra-media thickness, an index measure of PVAT, is associated with CAS severity. It is a strong and independent predictor of significant ICA stenosis. None of the obesity measurements revealed associations with carotid atherosclerosis.
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