What procedure involves the removal of a blood clot from an artery?

The correct answer, which identifies the procedure involving the removal of a blood clot from an artery, is thrombectomy. This surgical intervention targets occlusions within the vascular system caused by thrombus formation, thereby restoring blood flow in affected arteries. During a thrombectomy, the clot is surgically excised, typically using specialized instruments or catheters, making it an effective procedure to alleviate conditions like acute limb ischemia or myocardial infarction.

In contrast, angioplasty involves the dilation of an obstructed artery using a balloon catheter but does not entail the direct removal of a clot. Endarterectomy is a different type of surgery focused on clearing atheromatous plaques from the artery's inner lining rather than specifically addressing clots. Bypass grafting involves rerouting blood flow around a blocked artery using grafts but does not directly remove clots. Each of these procedures serves distinct purposes and addresses different pathophysiological conditions in vascular surgery.