A retinal artery occlusion is a blockage in one of the blood vessels that supplies your retina with blood. It usually occurs suddenly and can cause vision loss without causing pain. A retinal artery ...

What Is Retinal Vein Occlusion? Arteries supply the retina with blood, and veins carry blood away. Sometimes, a vein becomes partially or completely blocked. This is called retinal vein occlusion, or ...

Endovascular thrombectomy for acute ischemic stroke due to medium-vessel occlusion has had varying results across trials. Whether thrombectomy improves functional outcomes in patients with ...

Data from trials investigating the effects and risks of endovascular thrombectomy for the treatment of stroke due to basilar-artery occlusion are limited. We conducted a multicenter, prospective, ...

Coronary artery occlusion is a partial or total blockage of one of the arteries in your heart. It can cause shortness of breath and chest pain but sometimes doesn’t cause symptoms until you experience ...