Impact of Plaque Rupture on Infarct Size in ST-Segment Elevation Anterior Acute Myocardial Infarction
Ikuyoshi Kusama, MD*,
Kiyoshi Hibi, MD*,*,
Masami Kosuge, MD*,
Naoki Nozawa, MD*,
Hiroyuki Ozaki, MD*,
Hideto Yano, MD*,
Shinnichi Sumita, MD*,
Kengo Tsukahara, MD*,
Jun Okuda, MD*,
Toshiaki Ebina, MD*,
Satoshi Umemura, MD and
Kazuo Kimura, MD*
* Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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Figure 1 Typical IVUS Images of Plaque Rupture and Nonruptured Plaque
Typical intravascular ultrasound images of plaque rupture (A, B) and nonruptured plaque (C, D). (B) Plaque ulceration with a fissure (arrowheads) and a communication (arrow) between the cavity of the rupture (R) and the lumen (L). (D) Lumen surface with preserved continuity. IVUS = intravascular ultrasound.
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Figure 2 Comparison of Infarct Size Between the Rupture and Nonrupture Groups
Comparison of peak creatine kinase (CK) (A), peak CK-MB (B), area under the curve (AUC) of CK (C), and AUC of CK-MB (D) levels between the rupture and nonrupture groups.
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