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Updated: Jun 17, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
Relationship between smaller calcifications and lipid-rich plaques on integrated backscatter-intravascular ultrasound
Shinji Inaba1, Hideki Okayama1, Jun-Ichi Funada2
1Division of Cardiology, Department of Integrated Medicine and Informatics, Ehime University Graduate School of Medicine, Toon, Ehime, Japan.
Abstract:
We evaluated the relationship between coronary calcification and plaque characteristics using integrated backscatter-intravascular ultrasound (IB-IVUS), focusing on spotty calcification. Seventy-two patients with culprit plaques containing spotty calcification were evaluated. The average degree of all the spotty calcifications (averaged arc) negatively correlated with the % lipid volume (LV) on IB-IVUS. Multivariate analysis showed the averaged arc was an independent predictor of % LV. Our observations suggest that smaller plaque calcifications are associated with lipid-rich characteristics in patients with a spotty calcification pattern.
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