Can a stent be used on the left main coronary artery?

Stenting the left main artery is a complex and high-risk procedure that is typically reserved for patients who have severe and unstable angina or who have experienced a heart attack and need immediate revascularization.

It is associated with a higher risk of complications, such as heart attack, stroke, and death, than stenting other arteries in the heart due to the critical location of the left main artery and the complexity of the procedure. Because of these risks, stenting the left main artery is generally only considered when other treatment options, such as bypass surgery, are not suitable.

Additionally, the type of stent used for the left main artery is crucial, and drug-eluting stents (DES) are typically preferred over bare-metal stents (BMS) due to their lower risk of restenosis (narrowing of the artery). DES are coated with medication that helps prevent the growth of tissue within the stent and reduce the risk of re-blockage.

Given the complexity and potential risks involved, the decision to stent the left main artery should be carefully considered by an experienced heart team and thoroughly discussed with the patient to weigh the benefits and risks before proceeding with the procedure.