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A Study of Carotid Atherosclerosis in Patients with Non-alcoholic Fatty Liver Disease |
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| Authors: | Sandhya Mishra Dharamveer Yadav Monika Gupta Hemant Mishra Praveen Sharma |
| Institution: | 1. Department of Biochemistry, S M S Medical College, Jaipur, India 2. Department of Biochemistry, Mahatma Gandhi University of Medical Sciences and Technology, Jaipur, India 3. Department of Radiology, Mahatma Gandhi University of Medical Sciences and Technology, Jaipur, India 4. Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India |
| Abstract: | Non-alcoholic fatty liver disease shares many features of metabolic syndrome and its presence could signify a substantial cardiovascular risk above and beyond that conferred by individual risk factors. This study is an attempt to investigate the association of non-alcoholic fatty liver disease with carotid intima-media thickness and plaque as surrogate measures of increased cardiovascular risk. The study was conducted on 645 non diabetic, non alcoholic subjects in the age range of 20–60 years. Metabolic syndrome was assessed by using ATP III and ADA (2005) criteria. Anthropometric factors—waist circumference and blood pressure were measured. Fasting serum samples were analyzed for glucose, triglyceride, cholesterol and its fractions, insulin, alanine and aspartate transaminases, gamma glutamyl transferase and free fatty acids. Insulin resistance and secretion were calculated by homeostasis model and insulin sensitivity by QUICKI index. Liver ultrasonographic scanning was used for assessing fatty liver. Carotid atherosclerosis was assessed by B-mode ultrasonography of common carotid artery and internal carotid artery. The prevalence of non-alcoholic fatty liver disease was 15.6 % in non alcoholic population and 68.5 % of non-alcoholic fatty liver disease had metabolic syndrome, which was associated with hyperinsulinemia, insulin resistance, insulin insensitivity along with elevated levels of waist circumference, blood pressure, triglyceride, FFA and decreased HDL cholesterol. NAFLD patients had markedly greater carotid intima media thickness than non NAFLD subjects with MCIMT of 591.6 ± 108 and 489.5 ± 132.4 μm (P < 0.001) and plaque prevalence of 19.2 and 2.2 %, respectively, thus the carotid intima media thickness is associated with NAFLD. |
| Keywords: | NAFLD CIMT Metabolic syndrome Carotid atherosclerosis |
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