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Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...

Coronary Artery Disease III: Clinical Manifestations

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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...

Acute Coronary Syndrome III: Diagnostic Studies

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Related Experiment Video

Updated: Jun 18, 2026

Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model

Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model

Published on: November 24, 2014

Coronary bifurcation lesions: a current update.

Samin K Sharma¹, Joseph Sweeny, Annapoorna S Kini

¹Cardiac Catheterization Laboratory of the Cardiovascular Institute, Mount Sinai Hospital, Box 1030, One Gustave L. Levy Place, New York, NY 10029-6754, USA. samin.sharma@mountsinai.org

Cardiology Clinics

|December 8, 2009

Summary

Coronary bifurcation lesions are complex to treat, leading to poorer outcomes. New drug-eluting stents and ongoing trials aim to improve treatment success for these challenging coronary artery sites.

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Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

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Last Updated: Jun 18, 2026

Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model

Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model

Published on: November 24, 2014

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

Published on: January 15, 2022

Area of Science:

Cardiovascular Medicine
Interventional Cardiology
Biomedical Engineering

Background:

Coronary bifurcations are susceptible to atherosclerotic plaque buildup due to altered hemodynamics like turbulent blood flow and high shear stress.
Interventions at coronary bifurcations historically show lower success rates, increased costs, longer hospital stays, and higher rates of restenosis compared to non-bifurcation sites.

Purpose of the Study:

To review the challenges and current strategies for treating coronary bifurcation lesions.
To highlight the role of novel devices and clinical trials in advancing bifurcation intervention outcomes.

Main Methods:

Literature review of coronary bifurcation lesion characteristics and intervention outcomes.
Discussion of treatment algorithms and emerging technologies.
Analysis of ongoing randomized clinical trials.

Main Results:

Coronary bifurcation interventions present unique challenges impacting procedural success and long-term outcomes.
A simplified algorithm based on side branch characteristics can aid treatment decisions.
Novel drug-eluting stents specifically designed for bifurcations are under investigation.

Conclusions:

Treating coronary bifurcation lesions remains complex but is evolving with new devices and evidence.
Ongoing research and clinical trials are crucial for improving patient outcomes in bifurcation interventions.