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The infraorbital artery is a small [1] artery in the head that arises from the maxillary artery and passes through the inferior orbital fissure to enter the orbit, then passes forward along the floor of the orbit, finally exiting the orbit through the infraorbital foramen to reach the face.
Vascular occlusion is a blockage of a blood vessel, usually with a clot. It differs from thrombosis in that it can be used to describe any form of blockage, not just one formed by a clot. When it occurs in a major vein , it can, in some cases, cause deep vein thrombosis .
Acute graft occlusion is the occlusion (blockage) of a vascular bypass graft shortly after the bypass is performed. Its causes, which are distinct from those of chronic graft occlusion , include technical failure (e.g. anastomotic stricture, incomplete valve lysis in non-reversed vein) and thrombosis.
Arterial occlusion is a condition involving partial or complete blockage of blood flow through an artery. Arteries are blood vessels that carry oxygenated blood to body tissues. [1] [2] An occlusion of arteries disrupts oxygen and blood supply to tissues, leading to ischemia. [1]
The infraorbital groove (or sulcus) is located in the middle of the posterior part of the orbital surface of the maxilla. Its function is to act as the passage of the infraorbital artery , the infraorbital vein , and the infraorbital nerve .
The middle superior alveolar artery is an inconstant [2] [3] artery supplying the upper jaw. It is one of the three superior alveolar arteries. [3] When present, it arises from the infraorbital artery [2] [3] and descends upon the lateral wall of the maxillary sinus, forming anastomotic arcades with the other two superior alveolar arteries of the same side before ending near the canine tooth. [3]
In medicine, vein graft failure (VGF) is a condition in which vein grafts, which are used as alternative conduits in bypass surgeries (e.g. CABG), get occluded. Veins, mainly the great saphenous vein (GSV) are the most frequently used conduits in bypass surgeries (CABG or PABG), due to their ease of use and availability. [1]
Coronary ischemia resulting from coronary artery disease also increases the risk of developing heart failure. [10] Most cases of heart failure result from underlying coronary artery disease. [10] A myocardial infarction carries a greater than five-fold increase in relative risk for developing heart failure. [10]