Glossary/Coronary Artery Disease

Chronic Total Occlusion.

A complete blockage of a coronary artery that has been present for at least three months. These are among the most challenging lesions for interventional cardiologists and may require specialized PCI techniques or CABG.

Definition

What is chronic total occlusion?

A complete blockage of a coronary artery that has been present for at least three months. These are among the most challenging lesions for interventional cardiologists and may require specialized PCI techniques or CABG.

Related Terms

Related glossary terms.

PCI
Percutaneous Coronary Intervention, also called coronary angioplasty with stenting. A catheter-ba...
CABG
Coronary Artery Bypass Grafting. An open-heart surgery that creates new routes for blood to flow ...
Coronary Artery Disease
A condition caused by the buildup of plaque (atherosclerosis) inside the coronary arteries, which...
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