Search results for: Stanley L. Barnwell

Items from 1 to 13 out of 13 results

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Aggressive medical treatment with or without stenting in high-risk patients with intracranial artery stenosis (SAMMPRIS): the final results of a randomised trial

Colin P Derdeyn, Marc I Chimowitz, Michael J Lynn, David Fiorella, more

The Lancet > 2014 > 383 > 9914 > 333-341

Early results of the Stenting and Aggressive Medical Management for Preventing Recurrent stroke in Intracranial Stenosis trial showed that, by 30 days, 33 (14·7%) of 224 patients in the stenting group and 13 (5·8%) of 227 patients in the medical group had died or had a stroke (percentages are product limit estimates), but provided insufficient data to establish whether stenting offered any longer-term...

article

Bilateral mechanical rotational vertebral artery occlusion

Phong T. Dargon, Conrad W. Liang, Anmol Kohal, Aclan Dogan, more

Journal of Vascular Surgery > 2013 > 58 > 4 > 1076-1079

Rotational vertebral artery occlusion, or bow hunter's stroke, is reversible, positional symptomatic vertebrobasilar ischemia. The typical mechanism of action is obstruction of a dominant vertebral artery with contralateral head rotation in the setting of baseline ipsilateral vertebral artery stenosis or occlusion. Here we present a rare case of mechanical occlusion of bilateral patent vertebral arteries...

article

Single stage transcranial exposure of large dural venous sinuses for surgically-assisted direct transvenous embolization of high-grade dural arteriovenous fistulas: technical note

James K. Liu, Osamah J. Choudhry, Stanley L. Barnwell, Johnny B. Delashaw, more

Acta Neurochirurgica > 2012 > 154 > 10 > 1855-1859

Background High-grade dural arteriovenous fistulas (DAVFs) with retrograde cortical leptomeningeal drainage are formidable lesions because of their risk for intracranial hemorrhage. Treatment is aimed at occluding venous outflow to achieve obliteration of the fistula. In DAVFs that involve a large dural venous sinus (transverse sigmoid sinus or superior sagittal sinus), occluding venous outflow can...

article

Indications and Applications of Arterial Stents for Stroke Prevention in Atherosclerotic Intracranial Stenosis

Jeremy D. Fields, Kenneth C. Liu, Stanley L. Barnwell, Wayne M. Clark, more

Current Cardiology Reports > 2010 > 12 > 1 > 20-28

Intracranial stenosis accounts for 8–10% of all ischemic strokes in North America, a frequency slightly less than that of extracranial carotid stenosis. Among patients presenting with transient ischemic attack or stroke due to intracranial stenosis, the risk of recurrent stroke in the first year after initial symptoms is about 14%. Those with high-risk features (recent stroke and severe stenosis)...

article

Proximal junctional acute collapse cranial to multi-level lumbar fusion: a cost analysis of prophylactic vertebral augmentation

Robert A. Hart, Michael A. Prendergast, Warren G. Roberts, Gary M. Nesbit, more

The Spine Journal > 2008 > 8 > 6 > 875-881

Limited data are available regarding incidence of proximal junctional acute collapse after multilevel lumbar spine fusion. There are no data regarding the cost of prophylactic vertebral augmentation adjacent to long lumbar fusions compared with the costs of performing revision fusion surgery for patients suffering with this complication.To perform a cost analysis of prophylactic vertebral augmentation...

article

Stent-grafts in the Treatment of Emergent or Urgent Carotid Artery Disease: Review of 25 Cases

Hanno Hoppe, Stanley L. Barnwell, Gary M. Nesbit, Bryan D. Petersen

Journal of Vascular and Interventional Radiology > 2008 > 19 > 1 > 31-41

To report the authors’ initial experience with carotid artery stent-grafts in a comparatively large patient series for the treatment of acute bleeding and impending rupture or the prevention of distal embolization.This retrospective study was approved by the institutional review boards and performed according to HIPPA standards. Twenty-five patients were treated with 27 carotid artery stent-grafts...

article

Arterial Embolization in the Management of Posterior Epistaxis

Nathan P. Christensen, Dana S. Smith, Stanley L. Barnwell, Mark K. Wax

Otolaryngology - Head and Neck Surgery > 2005 > 133 > 5 > 748-753

Treatment of severe epistaxis can encompass many modalities. Control rates with all treatments are good. Morbidity among treatment groups varies. Angiographic embolization is one such method that has a very low complication rate. Over the last 10 years, it has become the preferred treatment at our institution. Tertiary medical referral centers: OHSU, Portland VAMC. Retrospective review of 70...

article

New and Future Endovascular Treatment Strategies for Acute Ischemic Stroke

Gary M. Nesbit, George Luh, Raymond Tien, Stanley L. Barnwell

Journal of Vascular and Interventional Radiology > 2004 > 15 > 1 Part 2 > S103-S110

Cerebral revascularization strategies for acute ischemic stroke have been developed during the past decade. Many of these strategies are currently being evaluated and gaining in popularity, offering hope to those with an otherwise nihilistic disease. Herein, the authors discuss the current progress toward these goals and the efforts being made to develop a safe and efficacious method of clot removal...

article

Mechanical thrombolysis of acute ischemic stroke

Todd A. Kuether, Gary M. Nesbit, Stanley L. Barnwell

Journal of Stroke and Cerebrovascular Diseases > 2002 > 11 > 3-4 > 162-173

Chemical thrombolysis has been the mainstay of acute stroke treatment; however, these methods come with the risk of potentially lethal intracerebral hemorrhage. This article discusses the different methods of mechanical thrombolysis and other techniques used in the treatment of acute stroke, including angioplasty and stent placement. Some of the very latest technologies under development are reviewed...

article

Mechanical thrombolysis of acute ischemic stroke

Todd A. Kuether, Gary M. Nesbit, Stanley L. Barnwell

Seminars in Cerebrovascular Diseases and Stroke > 2001 > 1 > 2 > 155-166

article

Spontaneous brachial plexus hemorrhage-case report

A. Chris Heller, Todd Kuether, Stanley L. Barnwell, Gary Nesbit, more

Surgical Neurology > 2000 > 53 > 4 > 356-359

BACKGROUNDShoulder hemorrhage resulting in brachial plexus neuropathy is a rare occurrence most often seen in cases of traumatic injury or anticoagulation therapy. We report a unique case of spontaneous brachial plexus hemorrhage.CASE DESCRIPTIONThis is the first report of a spontaneous shoulder hemorrhage in which a 48-year-old jackhammer operator presented to the emergency department with a sudden...

article

Thrombolytic Therapy for Acute Stroke: Indications, Technique, and Results

Stanley L. Barnwell

Journal of Vascular and Interventional Radiology > 1997 > 8 > 1 Supplement > 28-32

article

Local Thrombolytic Therapy for Cere-brovascular Disease: Current Oregon Health Sciences University Experience (July 1991 through April 1995)

Stanley L. Barnwell, Gary M. Nesbit, Wayne M. Clark

Journal of Vascular and Interventional Radiology > 1995 > 6 > 6 Part 2 > 78S-82S

This report details experience with local intraarterial or intradural sinus thrombolytic therapy for cerebrovascular thromboembolic occlusions in 40 patients.Between July 1991 and April 1995, intracranial local thrombolytic therapy with urokinase was used to treat 40 patients with occlusive vascular disease. Twenty-six patients had acute occlusions of the central retinal artery, middle cerebral artery,...

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