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Solitaire™ with the Intention for Thrombectomy as Primary Endovascular Treatment for Acute Ischemic Stroke (SWIFT PRIME) trial: protocol for a randomized, controlled, multicenter study comparing the Solitaire revascularization device with IV tPA with IV tPA alone in acute ischemic stroke
RationaleEarly reperfusion in patients experiencing acute ischemic stroke is critical, especially for patients with large vessel occlusion who have poor prognosis without revascularization. Solitaire™ stent retriever devices have been shown to immediately restore vascular perfusion safely, rapidly, and effectively in acute ischemic stroke patients with large vessel occlusions. AimThe aim of the study was to demonstrate that, among patients with large vessel, anterior circulation occlusion who have received intravenous tissue plasminogen activator, treatment with Solitaire revascularization devices reduces degree of disab...
Source: International Journal of Stroke - March 16, 2015 Category: Neurology Authors: Jeffrey L. Saver, Mayank Goyal, Alain Bonafe, Hans‐Christoph Diener, Elad I. Levy, Vitor M. Pereira, Gregory W. Albers, Christophe Cognard, David J. Cohen, Werner Hacke, Olav Jansen, Tudor G. Jovin, Heinrich P. Mattle, Raul G. Nogueira, Adnan H. Siddiqu Tags: Protocols Source Type: research

Salvage of the PWI/DWI mismatch up to 48 h from stroke onset leads to favorable clinical outcome
ConclusionUsing coregistered perfusion/diffusion‐weighted image criteria, mismatch persists up to 48 h post stroke. For the whole group, the proportion of mismatch salvage remains independent of time and, although the effect is small, its salvage is independently associated with improved clinical outcomes at three‐months. Larger sample sizes are needed to determine the time limit for mismatch salvage.
Source: International Journal of Stroke - February 1, 2014 Category: Neurology Authors: H. Ma, P. Wright, L. Allport, T. G. Phan, L. Churilov, J. Ly, J. A. Zavala, S. Arakawa, B. Campbell, S. M Davis, G. A. Donnan Tags: Research Source Type: research

A multicenter, randomized, controlled study to investigate EXtending the time for Thrombolysis in Emergency Neurological Deficits with Intra‐Arterial therapy (EXTEND‐IA)
Background and HypothesisThrombolysis with tissue plasminogen activator is proven to reduce disability when given within 4·5 h of ischemic stroke onset. However, tissue plasminogen activator only succeeds in recanalizing large vessel arterial occlusion in a minority of patients. We hypothesized that anterior circulation ischemic stroke patients, selected with ‘dual target’ vessel occlusion and evidence of salvageable brain using computed tomography or magnetic resonance imaging ‘mismatch’ within 4·5 h of onset, would have improved reperfusion and early neurological improvement when treated with intra‐arteri...
Source: International Journal of Stroke - November 10, 2013 Category: Neurology Authors: Bruce C. V. Campbell, Peter J. Mitchell, Bernard Yan, Mark W. Parsons, Søren Christensen, Leonid Churilov, Richard J. Dowling, Helen Dewey, Mark Brooks, Ferdinand Miteff, Christopher Levi, Martin Krause, Timothy J. Harrington, Kenneth C. Faulder, Brendan Tags: Protocols Source Type: research