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  • 4 Association between computed tomography features of non-alcoholic fatty liver disease and coronary artery disease: a sub-study of the scot-heart trial

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British Cardiovascular Imaging Meeting 2018
A Joint Meeting of the British Society of Cardiovascular Imaging/British Society of Cardiovascular CT, British Society of Cardiovascular Magnetic Resonance and British Nuclear Cardiac Society
2nd to 4th May 2018
Edinburgh
British Society of Cardiovascular Imaging/British Society of Cardiovascular CT (BSCI/BSCCT) Young Investigator Award Abstracts
Oral presentations
4 Association between computed tomography features of non-alcoholic fatty liver disease and coronary artery disease: a sub-study of the scot-heart trial
  1. Jessica Carter1,
  2. Amanda Hunter1,
  3. Anoop S V Shah1,
  4. Edwin JR van Beek1,2,
  5. David E Newby1,2,
  6. Michelle C Williams1,2
  1. 1British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
  2. 2Edinburgh Imaging Facility, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh, UK

Abstract

Introduction Risk factors for non-alcoholic fatty liver disease (NAFLD) and cardiovascular disease overlap. This study aims to investigate the association between NAFLD and cardiovascular disease in patients undergoing computed tomography coronary angiography (CTCA) in the Scottish Computed Tomography of the Heart (SCOT-HEART) trial.

Methods The liver was assessed on non-contrast CT images from patients undergoing CTCA as part of the SCOT-HEART trial. Liver attenuation within a region of interest was used to predict the presence of potential NAFLD. Potential NAFLD was defined as a liver attenuation density <48 Hounsfield units (HU)).

Results The images from 820 patients were assessed. Patients had a mean age of 58±10 years and 54% were male. On non-contrast CT 26% (n=209) had potential NAFLD. Patients with potential NAFLD were more likely to have diabetes (p<0.001), hypertension (p=0.002), had a higher body mass index (p<0.001) and higher cardiovascular risk score (p=0.043). Patients with potential NAFLD had a higher coronary artery calcium score (6 (interquartile range (IQR) 0, 150) vs 39 (IQR 0,290), p=0.001) and were more likely to have non-obstructive CAD (45% vs 33%, p=0.003) but not obstructive CAD (29% vs 24%, p=0.165) Presence of CAD and raised BMI were independently associated with NAFLD on multivariate analysis.

Conclusion CT features of potential NAFLD are associated with the presence of CAD in patients undergoing investigation for suspected CAD.

https://doi.org/10.1136/heartjnl-2018-BCVI.4

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