Closure Techniques

Oct 7, 2017 by in NEUROLOGY Comments Off on Closure Techniques

Size of sheath (Fr) Duration of manual compression (min) 4–5 15 6–7 20–25 7–10 30 Gradually decrease the applied pressure (every 5 min or so) while maintaining hemostasis. Following 15–20 min, when…

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Vascular Malformations

Oct 7, 2017 by in NEUROLOGY Comments Off on Vascular Malformations

Coil/guidewire diameter/thickness (inches) Microcatheter 0.010–0.012 Excelsior SL-10®; Prowler 10® 0.014 Prowler 14® 0.018 Excelsior 1018®; Prowler Plus® Ensure the microcatheter has two radiopaque markers: one indicating the distal tip of…

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Complications, Avoidance and Management

Oct 7, 2017 by in NEUROLOGY Comments Off on Complications, Avoidance and Management

Fig. 19.1 Guidewire tip has been advanced into an MCA branch to enable ICA stenting. During manipulation, perforation of MCA occurred. In panel (a) the tip appears to be within the…

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Preparing for Angiography

Oct 7, 2017 by in NEUROLOGY Comments Off on Preparing for Angiography

Fig. 1.1 A sterile angiography table is usually positioned behind the surgeon for easy access to equipment. The setup shown is prior to the patient being prepped and draped. The tubing…

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Navigation

Oct 7, 2017 by in NEUROLOGY Comments Off on Navigation

Fig. 6.1 Fluoroscopy in AP view demonstrates a guidewire (long arrow) advanced through the femoral and iliac arteries toward the aorta. The sheath (delineated by the opposing small arrows) is already…

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Intracranial Angioplasty and Stenting

Oct 7, 2017 by in NEUROLOGY Comments Off on Intracranial Angioplasty and Stenting

Problem Solution Balloon catheter will not move forward despite advancing it This may be consequent to the guide catheter losing its position and dropping back into the ECA, CCA, or further…

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Embolization for Epistaxis and Cranial Tumors

Oct 7, 2017 by in NEUROLOGY Comments Off on Embolization for Epistaxis and Cranial Tumors

Fig. 9.1 A 45 years old with recurrent epistaxis after gunshot wound. The bullet fragment and shrapnel can be appreciated. Attempts at removal of bullet were also unsuccessful because of the epistaxis….

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Vasospasm

Oct 7, 2017 by in NEUROLOGY Comments Off on Vasospasm

Fig. 13.1 Left vertebral angiogram demonstrating vasospasm of basilar artery. Flow restriction because of the vasospasm is demonstrated by the significant contrast reflux into the right vertebral artery (VA). The spasm…

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Spinal Angiography and Intervention

Oct 7, 2017 by in NEUROLOGY Comments Off on Spinal Angiography and Intervention

Spinal region Arteries to be catheterized Upper cervical region C1–C4 Vertebral arteries Occipital arteries Ascending pharyngeal arteries Thyrocervical (anterior) trunks Costocervical (dorsal) trunks Midcervical region C5–C7 Vertebral arteries Thyrocervical trunks…

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