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Preintervention arterial remodeling affects clinical outcome following stenting: an intravascular ultrasound study

Hiroyuki Okura, MD^*, Yoshihiro Morino, MD^*, Akio Oshima, MD^*, Motoya Hayase, MD^*, Michael R. Ward, MD, PhD^*, Jeffrey J. Popma, MD, Richard E. Kuntz, MD, MSc, Heidi N. Bonneau, RN, MS^*, Paul G. Yock, MD^* and Peter J. Fitzgerald, MD, PhD^*

^* Center for Research in Cardiovascular Interventions, Stanford University Medical Center, Stanford, California, USA
Brigham and Women’s Hospital, Boston, Massachusetts, USA

View larger version (75K): [in a new window]   Figure 1 Representative IVUS images of a lesion with PR before intervention. After stenting, MSA of 11.2 mm2 was obtained with IVUS guidance. IVUS = intravascular ultrasound; MSA = minimal stent area; PR = positive remodeling; VA = vessel area.

View larger version (70K): [in a new window]   Figure 2 Representative IVUS images of a lesion with NR. After IVUS-guided stenting, minimal stent area of 8.3 mm2 was achieved. IVUS = intravascular ultrasound; MSA = minimal stent area; NR = negative remodeling; VA = vessel area.