Left Main Stem Disease Meaning

Left main disease a significant stenosis 50 of the left main is present in 4 to 6 of patients who have undergone coronary angiography.

Left main stem disease meaning. As such it poses diagnostic and management challenges. Lmca insufficiency due to critical stenosis of the left main artery is important to recognize because these patients can progress to complete occlusion and are likely to require surgical intervention such as cabg 3. It is one of the coronary arteries. They compared 1888 patients who underwent cabg for left main stenosis with 8759 patients who had cabg for coronary disease without left main disease.

Left main stem disease. Left main stem pathology is often silent with unpredictable presentation. Left main coronary artery lmca disease remains an important risk factor for increased mortality and morbidity at all stages of diagnosis and treatment of coronary artery disease. The patients with severe lms stenosis have a very high risk of major cardiovascular events because of the extent of ischaemic myocardium.

The left coronary artery abbreviated lca is an artery that arises from the aorta above the left cusp of the aortic valve and feeds blood to the left side of the heart. What does lmsd mean in diseases. Left main disease is an important subset of cad and it has special interest for the interventionist. Traditionally cardiologist have a fear to touch this lesion as they thought a sudden occlusion within this vessel is life threatening.

This page is about the meanings of the acronym abbreviation shorthand lmsd in the medical field in general and in the diseases terminology in particular. 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. Significant left main stem lms stenosis is amongst the most feared findings during work up of suspected coronary artery disease. Early identification of left main coronary artery lmca disease is critical because acute occlusion can cause rapid hemodynamic and electrical deterioration 1 2.

It is also known as the left main coronary artery abbreviated lmca and the left main stem coronary artery abbreviated lms. Due its critical location the lms supplies blood to two thirds of the left ventricle acute occlusion is rapidly fatal and medically managed lms disease carries a poor prognosis with a one year mortality of approximately 20 1.