Plaque Characteristics of Thin-Cap Fibroatheroma Evaluated by OCT and IVUS

Publication year: 2011
Source: JACC: Cardiovascular Imaging, Volume 4, Issue 6, June 2011, Pages 638-646

Yoshinori, Miyamoto , Hiroyuki, Okura , Teruyoshi, Kume , Takahiro, Kawamoto , Yoji, Neishi , …

 Objectives: The purpose of this study was to assess plaque characteristics of optical coherence tomography (OCT)-derived thin-cap fibroatheroma (TCFA) by integrated backscatter intravascular ultrasound (IB-IVUS). Background: Radiofrequency signal-derived IVUS tissue characterization technology has become clinically available and provided objective and quantitative plaque characteristics of the coronary vessel wall. Integrated backscatter IVUS is one of the tissue characterization methods that can possibly provide quantitative plaque characteristics of the OCT-derived TCFA. Methods: Eighty-one coronary lesions with plaque burden >40% were selected and analyzed with both IB-IVUS and OCT. The OCT-derived TCFA was defined as a presence of thin fibrous cap (<65 μm) overlying a signal-poor lesion with...