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A dural arteriovenous fistula (DAVF) or malformation is an abnormal direct connection between a meningeal artery and a meningeal vein or dural venous sinus. Signs and symptoms [ edit ]
Vascular access steal syndrome is a syndrome caused by ischemia (not enough blood flow) resulting from a vascular access device (such as an arteriovenous fistula or synthetic vascular graft–AV fistula) that was installed to provide access for the inflow and outflow of blood during hemodialysis.
Non-traumatic causes of hemorrhage includes: hypertension, cerebral amyloid angiopathy, hemorrhagic conversion of ischemic infarction, cerebral aneurysms, dural arteriovenous fistulae, cerebral venous sinus thrombosis, cerebral vasculitis and mycotic aneurysm. [3] More than half of all cases of intracranial hemorrhage are the result of ...
An arteriovenous fistula is an abnormal connection or passageway between an artery and a vein. [1] It may be congenital , surgically created for hemodialysis treatments, or acquired due to pathologic process, such as trauma or erosion of an arterial aneurysm .
Foix–Alajouanine syndrome, also called subacute ascending necrotizing myelitis, [1] is a disease caused by an arteriovenous malformation of the spinal cord. [2] In particular, most cases involve dural arteriovenous malformations that present in the lower thoracic or lumbar spinal cord.
Arteriovenous fistula (AVF) : a lesion with a direct communication via fistulae between an artery and a vein. [3] Arteriovenous malformation : a lesion with a direct connection between an artery and a vein, without an intervening capillary bed, but with an interposed nidus of dysplastic vascular channels in between. [13]
An arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system. Usually congenital , this vascular anomaly is widely known because of its occurrence in the central nervous system (usually as a cerebral AVM ), but can appear anywhere in the body.
Intracranial diseases are: non-traumatic subarachnoid haemorrhage, non-traumatic intracerebral haemorrhage, intracranial aneurysm, stroke, cerebral vasospasm, cerebral arteriovenous malformation (for Spetzler-Martin grading and plan for intervention), dural arteriovenous fistula, embolisation of brain tumours such as meningioma, cavernous sinus ...