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Prevalence and extent of coronary artery disease determined by 64-slice CTA in patients with zero coronary calcium score

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Abstract

The purpose of the study was to assess the presence and extent of atherosclerosis determined by 64-slice CTA in patients with 0 coronary calcium score (CACS) and to evaluate the affect of demographic features and risk factors on the atheroma burden of these patients. 883 cases (378 (42.8%) male, 505 (57.2%) female, mean age 51.28) with zero CACS were included in the study. Cases underwent CTA because of carrying risk factors or having chest pain or atypical symptoms. A non-enhanced CT scan was obtained for calcium scoring immediately before CTA in all cases. CT examinations were performed by 64-slice scanner (Toshiba, Aquillon 64, Toshiba Medical Systems, Otowara, Japan). Coronary artery disease (CAD) was graded according to CTA findings and five groups were defined. In 703 cases (79.6%) CTA was normal while 180 (20.4%) cases had positive CTA findings and 43 cases (4.9%) had CTA obstructive lesion. Cases with positive CTA findings were significantly older than those with normal CTA Diabetes was a significant risk factor of CAD in both male and female cases. Dyslipidemia was associated with CAD in males and family history of CAD was a significant risk factor for females with positive CTA findings. This study demonstrated that considerable amount of patients with zero CAC score have positive CTA findings. Age and diabetes are the risk factors, which were associated with positive CTA findings in both sexes. Dyslipidemia was a significant risk factor in males and family history of CAD in females. Especially in patients with risk factors CTA is better than CAC scoring in determining the atheroma burden.

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Authors and Affiliations

  1. Department of Radiology, Ankara Training and Research Hospital, Ulucanlar, 06340, Ankara, Turkey

    Elif Ergün, Pınar Koşar, Cansu Öztürk, Elif Başbay, Fatma Koç & Uğur Koşar

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  1. Elif Ergün
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  2. Pınar Koşar
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  3. Cansu Öztürk
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Correspondence to Elif Ergün.

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Ergün, E., Koşar, P., Öztürk, C. et al. Prevalence and extent of coronary artery disease determined by 64-slice CTA in patients with zero coronary calcium score. Int J Cardiovasc Imaging 27, 451–458 (2011). https://doi.org/10.1007/s10554-010-9681-5

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  • DOI: https://doi.org/10.1007/s10554-010-9681-5

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