User profiles for "author:Andrew Demchuk"

Andrew Demchuk

Calgary Stroke Program, Department of Clinical Neurosciences, Department of Radiology …
Verified email at ucalgary.ca
Cited by 90672

Recommendations on angiographic revascularization grading standards for acute ischemic stroke: a consensus statement

OO Zaidat, AJ Yoo, P Khatri, TA Tomsick… - Stroke, 2013 - Am Heart Assoc
Methods A hybrid approach based on established processes described by Glaser15 and by
the National Institutes of Health (http://prevention. nih. gov/cdp/about. aspx) 16 was used to …

Scientific rationale for the inclusion and exclusion criteria for intravenous alteplase in acute ischemic stroke: a statement for healthcare professionals from the …

BM Demaerschalk, DO Kleindorfer, OM Adeoye… - Stroke, 2016 - Am Heart Assoc
Purpose—To critically review and evaluate the science behind individual eligibility criteria
(indication/inclusion and contraindications/exclusion criteria) for intravenous recombinant …

Thrombectomy for anterior circulation stroke beyond 6 h from time last known well (AURORA): a systematic review and individual patient data meta-analysis

TG Jovin, RG Nogueira, MG Lansberg, AM Demchuk… - The Lancet, 2022 - thelancet.com
Background Trials examining the benefit of thrombectomy in anterior circulation proximal
large vessel occlusion stroke have enrolled patients considered to have salvageable brain …

[HTML][HTML] Randomized assessment of rapid endovascular treatment of ischemic stroke

M Goyal, AM Demchuk, BK Menon… - … England Journal of …, 2015 - Mass Medical Soc
Background Among patients with a proximal vessel occlusion in the anterior circulation, 60
to 80% of patients die within 90 days after stroke onset or do not regain functional …

Endovascular thrombectomy after large-vessel ischaemic stroke: a meta-analysis of individual patient data from five randomised trials

M Goyal, BK Menon, WH Van Zwam, DWJ Dippel… - The Lancet, 2016 - thelancet.com
Background In 2015, five randomised trials showed efficacy of endovascular thrombectomy
over standard medical care in patients with acute ischaemic stroke caused by occlusion of …

[HTML][HTML] Thrombectomy within 8 hours after symptom onset in ischemic stroke

TG Jovin, A Chamorro, E Cobo… - … England Journal of …, 2015 - Mass Medical Soc
Background We aimed to assess the safety and efficacy of thrombectomy for the treatment of
stroke in a trial embedded within a population-based stroke reperfusion registry. Methods …

[HTML][HTML] Thrombectomy for stroke at 6 to 16 hours with selection by perfusion imaging

GW Albers, MP Marks, S Kemp… - … England Journal of …, 2018 - Mass Medical Soc
Background Thrombectomy is currently recommended for eligible patients with stroke who
are treated within 6 hours after the onset of symptoms. Methods We conducted a multicenter …

Validity and reliability of a quantitative computed tomography score in predicting outcome of hyperacute stroke before thrombolytic therapy

PA Barber, AM Demchuk, J Zhang, AM Buchan - The Lancet, 2000 - thelancet.com
Background Computed tomography (CT) must be done before thrombolytic treatment of
hyperacute ischaemic stroke, but the significance of early ischaemic change on CT is …

[HTML][HTML] Endovascular therapy after intravenous t-PA versus t-PA alone for stroke

JP Broderick, YY Palesch, AM Demchuk… - … England Journal of …, 2013 - Mass Medical Soc
Background Endovascular therapy is increasingly used after the administration of
intravenous tissue plasminogen activator (t-PA) for patients with moderate-to-severe acute …

Time to treatment with endovascular thrombectomy and outcomes from ischemic stroke: a meta-analysis

JL Saver, M Goyal, AAD Van der Lugt, BK Menon… - Jama, 2016 - jamanetwork.com
Importance Endovascular thrombectomy with second-generation devices is beneficial for
patients with ischemic stroke due to intracranial large-vessel occlusions. Delineation of the …