Abstract:
PURPOSE OF REVIEW:Despite the important progress in identifying high-risk atherosclerotic plaques, many key elements are elusive. Advanced imaging modalities provide valuable information about the anatomic and functional plaque characteristics and underscore the presence of multiple plaque morphologies. However, how the heterogeneity of atherosclerotic plaque can alter our current understanding of coronary artery disease is not fully understood. RECENT FINDINGS:Along the length of an individual plaque, the morphology patterns display marked heterogeneity. Contrary to previous beliefs, plaque morphology is also highly dynamic over time, with the vast majority of high-risk plaques becoming quiescent and mild plaques becoming severely obstructive in a short period of time. Endothelial shear stress, a local hemodynamic factor known for its critical effects in plaque initiation and progression, also displays longitudinal heterogeneity contributing to the arterial wall response in all time points. Risk stratification of plaques based on the morphological characteristics at one region of the plaque, usually the minimal lumen diameter, and at one point in time may be misleading. The evaluation of both morphological and hemodynamic characteristics along the length of a plaque will improve the risk assessment of individual plaques.
journal_name
Curr Atheroscler Repjournal_title
Current atherosclerosis reportsauthors
Zaromytidou M,Antoniadis AP,Siasos G,Coskun AU,Andreou I,Papafaklis MI,Lucier M,Feldman CL,Stone PHdoi
10.1007/s11883-016-0626-xsubject
Has Abstractpub_date
2016-12-01 00:00:00pages
80issue
12eissn
1523-3804issn
1534-6242pii
10.1007/s11883-016-0626-xjournal_volume
18pub_type
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