What is unprotected left main coronary artery disease?

What is unprotected left main coronary artery disease?

A significant stenosis (>50%) of the left main is present in 4% to 6% of patients who have undergone coronary angiography. If there is no patent bypass graft to the left anterior descending (LAD) or circumflex artery, the disease is then referred to as unprotected left main disease (UPLM).

Can you live without a left coronary artery?

Absent left main coronary artery (LMCA) is a rare congenital cardiac malformation.

What is the severity of coronary artery disease?

CAD severity was defined according to the number of obstructive coronary arteries corresponding to 50% or more narrowing and categorized into 7 groups: no significant stenosis, 1-, 2-, 3- VD, LMS, missing angiographic data or if no CAG was performed.

What is LMS heart disease?

LMS disease was defined according to an angiographic stenosis ≥70% or an angiographic stenosis between 50% and 70% in the presence of an invasive (FFR) or non-invasive documentation of inducible ischaemia.

Can you Stent left main coronary artery?

Left main coronary artery stenting is typically suitable for patients who are at high risk for surgical complications or have comorbidities.

What does left main disease mean?

unprotected left main disease (also called ULMD) refers to patients without bypass to the left coronary circulation 2. distal bifurcation disease refers to lesions involving the origins of the left anterior descending and left circumflex arteries (also called left main equivalent disease) 1.

Which artery is the most critical branch of the left main coronary artery?

Function. The artery supplies the anterolateral myocardium, apex, and interventricular septum. The LAD typically supplies 45-55% of the left ventricle (LV) and is therefore considered the most critical vessel in terms of myocardial blood supply.

What is LMS artery?

The left coronary artery (abbreviated LCA) is a coronary artery that arises from the aorta above the left cusp of the aortic valve, and feeds blood to the left side of the heart muscle. It is also known as the left main coronary artery (abbreviated LMCA) and the left main stem coronary artery (abbreviated LMS).

What is mild ostial disease?

Ostial disease. Specialty. Cardiology. Ostial disease, namely coronary ostial stenosis, is the occlusion of coronary ostium. Causing factors include atherosclerosis, syphilis, Kawasaki disease, and Takayasu’s arteritis, etc.