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Intravascular ultrasound assessment of patterns of arterial remodeling in the absence of significant reference segment plaque burden in patients with coronary artery disease

Myeong-Ki Hong, MD, PhD^*, Gary S. Mintz, MD, FACC, Cheol Whan Lee, MD, PhD^*, Young-Hak Kim, MD^*, Jae-Whan Lee, MD^*, Jong-Min Song, MD, PhD^*, Ki-Hoon Han, MD^*, Duk-Hyun Kang, MD, PhD^*, Jae-Kwan Song, MD, PhD, FACC^*, Jae-Joong Kim, MD, PhD^*, Seong-Wook Park, MD, PhD, FACC^* and Seung-Jung Park, MD, PhD, FACC^*,*

^* Department of Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea
Cardiovascular Research Foundation, New York, New York, USA

View larger version (19K): [in a new window]   Figure 1 The remodeling index correlated poorly with the reference segment plaque burden (r = 0.197, p = 0.0010). The remodeling index (and, therefore, the percentage of lesions with positive vs. negative remodeling) does not increase or decrease substantially with increasing reference segment plaque burden.

View larger version (39K): [in a new window]   Figure 2 The pattern of arterial remodeling according to reference segment plaque burden is shown (p = 0.0022 comparing group A vs. group B vs. group C). Group A, both proximal and distal reference plaque burden <20%; group B, either proximal or distal reference plaque burden between 20% and 40% but both <40%; and group C, either proximal or distal reference plaque burden >40%.