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 24 October 2017

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News

NAFLD associated with progression of coronary artery calcium score

The latest issue of Gut evaluates the association between NAFLD and the progression of coronary atherosclerosis.

News image

Non-alcoholic fatty liver disease (NAFLD), a hepatic manifestation of the metabolic syndrome, was associated with subclinical atherosclerosis in many cross-sectional studies.  

However, the prospective association between NAFLD and the progression of atherosclerosis has not been evaluated. 

Professor Geum-Youn Gwak and colleagues from South Korea evaluated the association between NAFLD and the progression of coronary atherosclerosis. 

The researchers included 4731 adult men and women with no history of cardiovascular disease (CVD), liver disease or cancer at baseline who participated in a repeated regular health screening examination between 2004 and 2013. 

Fatty liver was diagnosed by ultrasound based on standard criteria, including parenchymal brightness, liver-to-kidney contrast, deep beam attenuation and bright vessel walls. 

The annual rate of coronary artery calcium progression in participants with NAFLD were 22%
Gut
Progression of coronary artery calcium scores was measured using multidetector CT scanners. 

The research team reported that the average duration of follow-up was 4 years.

During follow-up, the team found that the annual rate of coronary artery calcium progression in participants with and without NAFLD were 22% and 17%, respectively. 

The multivariable ratio of progression rates comparing participants with NAFLD with those without NAFLD was 1.04. 

The researchers found that the association between NAFLD and coronary artery calcium progression was similar in most subgroups analyzed, including in participants with coronary artery calcium 0, and in those with coronary artery calcium >0 at baseline. 

Professor Gwak's team concludes, "In this large cohort study of adult men and women with no history of CVD, NAFLD was significantly associated with the development of coronary artery calcium independent of cardiovascular and metabolic risk factors."

"NAFLD may play a pathophysiological role in atherosclerosis development, and may be useful to identify subjects with a higher risk of subclinical disease progression." 

Gut 2017;66:323-329
12 January 2017

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