title: Relation between baseline plaque features and subsequent coronary artery remodeling determined by optical coherence tomography and intravascular ultrasound.
abstract: Atherosclerosis often leads to myocardial infarction and stroke. We examined the influence of baseline plaque characteristics on subsequent vascular remodeling in response to changes in plaque size. Using optical coherence tomography (OCT) and intravascular ultrasound (IVUS), we examined 213 plaques from 138 patients with acute coronary syndrome at baseline and repeated IVUS at the 12-month follow-up. The change in external elastic membrane (EEM) area for each 1 mm2 change in plaque area (i.e., the slope of the regression line) was calculated as a measure of vascular remodeling capacity. In plaques with static positive remodeling, the slope was smaller than in plaques without static positive remodeling. In addition, the slope of the regression line for lesions with a large plaque burden was much smaller than that for lesions with a small plaque burden. Multivariate linear regression analysis showed that diabetes, calcification and static positive remodeling were inversely and independently associated with the level of change in EEM area/change in plaque area. Lesions with a large plaque burden, calcifications or static positive remodeling had less remodeling capacity, and calcification and static positive remodeling were independent predictors of reduced subsequent remodeling. Therefore, calcifications and static positive remodeling could be used as morphological biomarkers to predict decreased subsequent arterial remodeling.
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
authors.forename: Zulong
authors.initials: Z
authors.lastname: Xie
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Nana
authors.initials: N
authors.lastname: Dong
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Rong
authors.initials: R
authors.lastname: Sun
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Xinxin
authors.initials: X
authors.lastname: Liu
authors.affiliation: Department of Cardiology, Heilongjiang Provincial Hospital, Harbin, China.
authors.forename: Xia
authors.initials: X
authors.lastname: Gu
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Sun
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Hongwei
authors.initials: H
authors.lastname: Du
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Jiannan
authors.initials: J
authors.lastname: Dai
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Youbin
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Jingbo
authors.initials: J
authors.lastname: Hou
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Jinwei
authors.initials: J
authors.lastname: Tian
authors.affiliation: Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.|The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
authors.forename: Bo
authors.initials: B
authors.lastname: Yu
mesh_terms: D054058:Acute Coronary Syndrome / Q000000981:diagnostic imaging*; D003331:Coronary Vessels / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D058226:Plaque, Atherosclerotic / Q000000981:diagnostic imaging*; D012307:Risk Factors; D041623:Tomography, Optical Coherence / Q000379:methods*; D018084:Ultrasonography, Interventional; D066253:Vascular Remodeling
keywords: atherosclerosis; coronary artery remodeling; intravascular ultrasound; optical coherence tomography; plaque characteristics