28; 95% CI, 104-159) attenuated,

but remained significa

28; 95% CI, 1.04-1.59) attenuated,

but remained significant; however, NAFLD was not statistically significantly associated with CAC scores ≥100 (OR, 1.30; 95% CI, 0.94-1.80). The main finding of this large population-based study was a strong relationship between NAFLD and CAC, the latter being an established surrogate marker for coronary atherosclerosis. Importantly, this association was independent of the traditional risk factors for coronary artery disease as well as visceral adiposity. The association of NAFLD with CAC may be indirect and due to generalized obesity or ectopic fat, including VAT. However, CT examination revealed learn more that visceral adiposity attenuated but did not eliminate the relationship between

NAFLD and CAC. This study gave us the unique opportunity to assess the relationship between NAFLD and subclinical coronary atherosclerosis above and beyond VAT. An increasing number of studies have suggested that NAFLD is an independent risk factor for coronary artery disease and mortality.3, 5, 6, 9 This hypothesis has been supported by community-, population-, and hospital-based studies.29-31 Recent large prospective cohort study reported that in patients with clinical indications for coronary angiogram, NAFLD is associated with coronary artery disease independently of other metabolic factors.32 However, most of the previous studies that have suggested an independent NU7441 chemical structure association between NAFLD and coronary artery disease did not directly measure abdominal VAT. Most of these studies indirectly measured VAT using waist circumference, which has been shown to be more closely correlated with subcutaneous adipose tissue than with VAT.33 Because of this, multivariable analysis adjusted for waist circumference is not sufficient to demonstrate an independent relationship between NAFLD and coronary

artery disease above and beyond VAT. Recent studies have reported that the VAT is the abdominal fat that is most intimately associated with metabolic disease, myocardial infarction, stroke, and overall mortality.34-36 The cardiovascular risk in NAFLD may be attributed in part to underlying VAT.37 Therefore, we examined the relative contributions of hepatic fat MCE and VAT to subclinical coronary atherosclerosis. Multivariable regression analysis proved that the relationship between NAFLD and CAC score was significant, even after adjusting for age, sex, traditional coronary risk factors, and VAT. Therefore, we suggest that NAFLD might be an independent risk factor for subclinical coronary atherosclerosis. In addition, NAFLD together with elevated ALT, which might indicate suspected nonalcoholic steatohepatitis, was more associated with CAC than NAFLD with normal ALT in a dose-dependent manner. These findings suggest that CAC is associated with both nonalcoholic steatohepatitis and NAFLD.

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