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Complications Overview

Terminology Adverse event : Any unexpected or undesirable event occurring as a direct or indirect result of surgery. Complication : Disorder related directly or indirectly to surgery; will change the expected outcome for the patient. You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Vertebral Dissection

KEY FACTS Terminology Vertebral artery (VA) dissection Irregularity of VA contour from intimal tear or subadventitial hematoma You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Spinal Artery Aneurysm

KEY FACTS Terminology Fusiform or saccular dilatation of artery supplying spinal cord, particularly anterior spinal artery but including radiculomedullary branches You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Type 3 Arteriovenous Malformation

KEY FACTS Terminology Synonyms: Juvenile arteriovenous malformation (AVM); intramedullary extramedullary AVM Large, complex, intramedullary extramedullary AVM Rarest of spinal AVMs (7%) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Type 1 Vascular Malformation (Dural Arteriovenous Fistula)

KEY FACTS Terminology Synonyms: Type 1 spinal arteriovenous fistula (AVF), dural AVF, dural fistula Spinal arteriovenous (AV) fistula, present within dura, with intradural distended draining veins Imaging Cord enlarged, T2WI hyperintense, vessel flow voids on cord surface Multiple enhancing serpentine veins on cord surface Dynamic contrast-enhanced MRA capable of defining dilated intradural veins; very useful to guide catheter angiography Spinal catheter arteriography is gold standard for…

Approach to Vascular Conditions

History Development of the distal vertebral artery (VA) is classically defined by the works of Congdon (1922) and Padget (1948). Contributions of the lateral spinal artery (LSA) were initially defined by Kadyi (1889) but were more recently emphasized by Lasjuanias (1985) and Siclari (2007). Imaging Anatomy Three main longitudinal vascular axes supply blood to the spinal cord. Two of these axes are composed of the familiar…