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Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
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Coronary Artery Ectasia: Review of the Non-Atherosclerotic Molecular and Pathophysiologic Concepts

Gavin H C Richards1, Kathryn L Hong1,2, Michael Y Henein3

  • 1Cardiovascular Research Institute (CVRI) Dublin, Mater Private Hospital, D07 WKW8 Dublin, Ireland.

International Journal of Molecular Sciences
|May 14, 2022
PubMed

Insights

Coronary artery ectasia (CAE) often occurs with coronary artery disease (CAD), but can also be isolated. This review explores the pathophysiology of CAE to improve its detection and treatment.

Area of Science:

  • Cardiology
  • Vascular Biology
  • Pathophysiology

Background:

  • Coronary artery ectasia (CAE) frequently coexists with atherosclerotic coronary artery disease (CAD).
  • Shared cardiovascular risk factors suggest a common pathophysiology for concomitant CAE and CAD.
  • Isolated CAE raises questions about alternative underlying mechanisms.

Purpose of the Study:

  • To review current evidence on the pathophysiology of coronary artery ectasia.
  • To elucidate potential distinct mechanisms driving isolated CAE.
  • To inform improved detection and management strategies for CAE.

Main Methods:

  • Literature review of existing studies on coronary artery ectasia.
  • Analysis of pathophysiological pathways implicated in CAE.
  • Synthesis of evidence regarding common and distinct mechanisms in CAE and CAD.

Main Results:

  • Evidence suggests both shared and potentially independent pathophysiological pathways for CAE.
  • Overlapping risk factors complicate the distinction between concomitant and isolated CAE.
  • Understanding distinct mechanisms is crucial for targeted interventions.

Conclusions:

  • CAE may arise from mechanisms distinct from atherosclerosis.
  • Further research into isolated CAE pathophysiology is warranted.
  • Enhanced understanding will guide better diagnostic and therapeutic approaches for CAE.

Keywords:
CADcoronary artery aneurysmcoronary artery ectasiacytokinelipidome

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