The Relationship Between Coronary Plaque Characteristics and Small Embolic Particles During Coronary Stent Implantation
Takahiro Kawamoto, MD, PhD*,*,
Hiroyuki Okura, MD, PhD*,
Yuji Koyama, MD, PhD*,
Iku Toda, MD, PhD ,
Haruyuki Taguchi, MD, PhD,
Koichi Tamita, MD ,
Atsushi Yamamuro, MD,
Yuki Yoshimura, MD*,
Yoji Neishi, MD, PhD*,
Eiji Toyota, MD, PhD* and
Kiyoshi Yoshida, MD, PhD, FACC*
* Division of Cardiology, Kawasaki Medical School Hospital, Kurashiki, Japan
Division of Cardiology, Bell Land General Hospital, Sakai, Japan
Division of Cardiology, Kobe General Hospital, Kobe, Japan
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Figure 1 The Correlation Between HITS Number and IVUS Parameters
Scatterplots demonstrating significant correlation between the number of high-intensity transient signals (HITS) and external elastic membrane (EEM) cross-sectional area (CSA) or plaque plus media (P+M) CSA. IVUS = intravascular ultrasound.
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Figure 2 The Correlation Between HITS Number and VH Parameters
Scatterplots demonstrating significant correlation between the number of high-intensity transient signals (HITS) and dense calcium (DC) or necrotic core (NC) area. VH = Virtual Histology.
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Figure 3 Representative Cases
Representative cases with images of gray scale IVUS, color-coded Virtual Histology IVUS, and coronary blood flow spectrum. Many HITS were detected in the lower case but not in the upper case. DC = dense calcium (white); FF = fibrofatty (light green); FI = fibrous (green); NC = necrotic core (red); other abbreviations as in Figure 1.
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