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To create the bypass graft, a surgeon will remove or "harvest" healthy blood vessels from another part of the body, either arteries from an arm or the chest, or veins from a leg. [1] This vessel becomes a graft , with one end attaching to a blood source above and the other end below the blocked area, creating a "conduit" channel or new blood ...
Cavernous sinus thrombosis (CST) is the formation of a blood clot within the cavernous sinus, a cavity at the base of the brain which drains deoxygenated blood from the brain back to the heart. This is a rare disorder and can be of two types–septic cavernous thrombosis and aseptic cavernous thrombosis. [1]
As a venous sinus, the cavernous sinus receives blood from the superior and inferior ophthalmic veins and from superficial cortical veins, and is connected to the basilar plexus of veins posteriorly. The cavernous sinus drains by two larger channels, the superior and inferior petrosal sinuses , ultimately into the internal jugular vein via the ...
The community, on 315 acres (127 ha) of land between Texas State Highway 6 and Eldridge Parkway and south of Briar Forest Drive, [4] is in proximity to the southwest corner of Briar Forest Drive and Eldridge Parkway.
Selective angiography of the external carotid artery showing an indirect type D right carotid cavernous fistula, filling of the cavernous sinus (arrow) and retrograde drainage into the right superior ophthalmic vein (arrowhead) [1] This is based on MRI scan, magnetic resonance angiography and CT scan.
Chronic venous insufficiency (CVI) is a medical condition characterized by blood pooling in the veins, leading to increased pressure and strain on the vein walls. [1] The most common cause of CVI is superficial venous reflux, which often results in the formation of varicose veins, a treatable condition. [2]
Dural venous sinuses bordered by hard meninges (shown in blue) direct blood outflow from cerebral veins to the internal jugular vein at the base of skull. The veins of the brain, both the superficial veins and the deep venous system, empty into the dural venous sinuses, which carry blood back to the jugular vein and thence to the heart. In ...
Superficial vein thrombosis (SVT) extension to the deep vein system and/or recurrence of SVT. Suppurative thrombophlebitis is suspected when erythema extends significantly beyond the margin of the vein and is likely to be associated with significant fever. If suspected, antibiotic treatment, surgical drainage, and potentially vein excision are ...