Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and Progression

Atherosclerosis remains a major cause of death worldwide, with most myocardial infarctions being due to rupture or erosion of coronary plaques. Although several imaging modalities can identify features that confer risk, major adverse cardiovascular event (MACE) rates attributable to each plaque are...

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Main Authors: Sophie Z. Gu, Martin R. Bennett
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-07-01
Series:Frontiers in Cardiovascular Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fcvm.2022.875413/full
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author Sophie Z. Gu
Martin R. Bennett
author_facet Sophie Z. Gu
Martin R. Bennett
author_sort Sophie Z. Gu
collection DOAJ
description Atherosclerosis remains a major cause of death worldwide, with most myocardial infarctions being due to rupture or erosion of coronary plaques. Although several imaging modalities can identify features that confer risk, major adverse cardiovascular event (MACE) rates attributable to each plaque are low, such that additional biomarkers are required to improve risk stratification at plaque and patient level. Coronary arteries are exposed to continual mechanical forces, and plaque rupture occurs when plaque structural stress (PSS) exceeds its mechanical strength. Prospective studies have shown that peak PSS is correlated with acute coronary syndrome (ACS) presentation, plaque rupture, and MACE, and provides additional prognostic information to imaging. In addition, PSS incorporates multiple variables, including plaque architecture, plaque material properties, and haemodynamic data into a defined solution, providing a more detailed overview of higher-risk lesions. We review the methods for calculation and determinants of PSS, imaging modalities used for modeling PSS, and idealized models that explore structural and geometric components that affect PSS. We also discuss current experimental and clinical data linking PSS to the natural history of coronary artery disease, and explore potential for refining treatment options and predicting future events.
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spelling doaj.art-16a4b4dbb62e43a68eef6c135e2d023e2022-12-22T02:29:21ZengFrontiers Media S.A.Frontiers in Cardiovascular Medicine2297-055X2022-07-01910.3389/fcvm.2022.875413875413Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and ProgressionSophie Z. GuMartin R. BennettAtherosclerosis remains a major cause of death worldwide, with most myocardial infarctions being due to rupture or erosion of coronary plaques. Although several imaging modalities can identify features that confer risk, major adverse cardiovascular event (MACE) rates attributable to each plaque are low, such that additional biomarkers are required to improve risk stratification at plaque and patient level. Coronary arteries are exposed to continual mechanical forces, and plaque rupture occurs when plaque structural stress (PSS) exceeds its mechanical strength. Prospective studies have shown that peak PSS is correlated with acute coronary syndrome (ACS) presentation, plaque rupture, and MACE, and provides additional prognostic information to imaging. In addition, PSS incorporates multiple variables, including plaque architecture, plaque material properties, and haemodynamic data into a defined solution, providing a more detailed overview of higher-risk lesions. We review the methods for calculation and determinants of PSS, imaging modalities used for modeling PSS, and idealized models that explore structural and geometric components that affect PSS. We also discuss current experimental and clinical data linking PSS to the natural history of coronary artery disease, and explore potential for refining treatment options and predicting future events.https://www.frontiersin.org/articles/10.3389/fcvm.2022.875413/fullplaque structural stressatherosclerosisplaque rupturecomputational modelingintravascular imaging
spellingShingle Sophie Z. Gu
Martin R. Bennett
Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and Progression
Frontiers in Cardiovascular Medicine
plaque structural stress
atherosclerosis
plaque rupture
computational modeling
intravascular imaging
title Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and Progression
title_full Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and Progression
title_fullStr Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and Progression
title_full_unstemmed Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and Progression
title_short Plaque Structural Stress: Detection, Determinants and Role in Atherosclerotic Plaque Rupture and Progression
title_sort plaque structural stress detection determinants and role in atherosclerotic plaque rupture and progression
topic plaque structural stress
atherosclerosis
plaque rupture
computational modeling
intravascular imaging
url https://www.frontiersin.org/articles/10.3389/fcvm.2022.875413/full
work_keys_str_mv AT sophiezgu plaquestructuralstressdetectiondeterminantsandroleinatheroscleroticplaqueruptureandprogression
AT martinrbennett plaquestructuralstressdetectiondeterminantsandroleinatheroscleroticplaqueruptureandprogression