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Cerebrovascular

Creator:   Neurosurgery
Created:   4/10/2012
Contains:  11 items
This collection includes videos from Neurosurgery's most recent cerebrovascular articles.

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Flow-diverter Hemodynamics

Neurosurgery

Video of a digital subtraction angiography series showing the effects of implantation of one or more pipeline stents on aneurysm hemodynamics. First, a sidewall aneurysm with a straight parent vessel prior to implantation of a flow diverter stent is shown. A turbulent, circulating, high velocity intra-aneurysmal flow profile can be seen, indicative of high wall shear stress. After implantation of a single stent a reduction of total contrast inflow and time until maximum contrast density is reached. In addition, the turbulent high-velocity aneurysm inflow is scrambled. After superimposition of a second pipeline embolization device a further decrease of inflow-speed and intra-aneurysmal contrast is observed.
Next, digital subtraction angiography series of a fusiform aneurysm model before and after implantation of FDS are shown. Before treatment, a straddling turbulent flow pattern is visualized at the distal aneurysm wall along the outflow tract. After telescoping implantation of two stents contrast flow into the aneurysm is reduced and a pulsatile pattern of contrast inflow through the stent mesh can be seen. Consequently, a reduction in total contrast inflow and time until maximum contrast density is reached. After superimposition of a third pipeline embolization device the contrast agent more homogeneously oozes out of the stent lumen into the aneurysm.

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Omental-cranial Transposition for Pediatric Moyamoya

Neurosurgery

This video demonstrates laparoscopic harvest of pedicled omentum for cranial transposition in children with moyamoya disease.

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CO2 Laser for Cavernous Malformation Resections Video 1

Neurosurgery

Video 1 shows the resection of a pontomedullary CM by CO2 laser and bipolar coagulation.

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MCA Aneurysm Anatomical Classification Scheme

Neurosurgery

This video demonstrates the aspects of the different aneurysm classifications as well as potential clip solutions for each category.

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Interposition Graft in MCA Aneurysms

Neurosurgery

This video shows surgical treatment of giant and large fusiform MCA aneurysms with excision and interposition radial artery graft in a four year old child.

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Treatment Paradigms for Blister Aneurysms of the Internal Carotid Artery

Neurosurgery

This video shows a microsurgical Gore-Tex wrapping of an ICA blister aneurysm.

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Carotid Artery Injury During Endoscopic Endonasal Skull Base Surgery: Incidence and Outcomes

Neurosurgery

This video shows carotid artery injury and management with bipolar coagulation salvage.

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Advances and Innovations in Brain Arteriovenous Malformations Surgery Video 1A

Neurosurgery

This video demonstrates time resolved MRA.

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Advances and Innovations in Brain Arteriovenous Malformations Surgery Video 1B

Neurosurgery

This video demonstrates time resolved MRA.

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Advances and Innovations in Brain Arteriovenous Malformations Surgery Video 2

Neurosurgery

This is an illustration of 4D MRI visualization of an AVM, with color-coded blood velocity.

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Advances and Innovations in Brain Arteriovenous Malformations Surgery Video 3

Neurosurgery

This is a case illustration showing AVM resection via a large craniotomy.

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