User profiles for R. Aviv

Dr Richard I Aviv

Professor University of Ottawa
Verified email at toh.ca
Cited by 15493

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

…, G Albers, HH Woo, DV Heck, M Lev, R Aviv… - 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 …

[HTML][HTML] Absolute risk and predictors of the growth of acute spontaneous intracerebral haemorrhage: a systematic review and meta-analysis of individual patient data

…, H Worthmann, WC Ziai, CD d'Esterre, RI Aviv… - The Lancet …, 2018 - thelancet.com
Background Intracerebral haemorrhage growth is associated with poor clinical outcome and
is a therapeutic target for improving outcome. We aimed to determine the absolute risk and …

Acute stroke imaging research roadmap II

…, AJ Yoo, AV Alexandrov, JR Alger, RI Aviv, R Bammer… - Stroke, 2013 - Am Heart Assoc
Society of Neuroradiology, and the Foundation of the American Society of Neuroradiology
sponsored a series of working group meetings> 12 months, with the final meeting occurring …

[HTML][HTML] Atrial fibrillation in patients with cryptogenic stroke

…, D Howse, M Mehdiratta, K Boyle, R Aviv… - … England Journal of …, 2014 - Mass Medical Soc
Background Atrial fibrillation is a leading preventable cause of recurrent stroke for which
early detection and treatment are critical. However, paroxysmal atrial fibrillation is often …

CT angiography “spot sign” predicts hematoma expansion in acute intracerebral hemorrhage

R Wada, RI Aviv, AJ Fox, DJ Sahlas, DJ Gladstone… - Stroke, 2007 - Am Heart Assoc
Background and Purpose— Morbidity and mortality in spontaneous intracerebral hemorrhage
(ICH) are correlated with hematoma progression. We hypothesized that the presence of …

CT angiography clot burden score and collateral score: correlation with clinical and radiologic outcomes in acute middle cerebral artery infarct

…, SP Symons, AJ Fox, RI Aviv - American Journal …, 2009 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Clot extent, location, and collateral integrity are important
determinants of outcome in acute stroke. We hypothesized that a novel clot burden score (…

Prediction of haematoma growth and outcome in patients with intracerebral haemorrhage using the CT-angiography spot sign (PREDICT): a prospective observational …

…, DJ Gladstone, MD Hill, RI Aviv - The Lancet …, 2012 - thelancet.com
Background In patients with intracerebral haemorrhage (ICH), early haemorrhage expansion
affects clinical outcome. Haemostatic treatment reduces haematoma expansion, but fails to …

[PDF][PDF] Network analysis of knowledge construction in asynchronous learning networks

R Aviv, Z Erlich, G Ravid, A Geva - Journal of Asynchronous …, 2003 - researchgate.net
… Using that model, Aviv [9] demonstrated that implementing an extended version of Johnson
and Johnson’s design in an asynchronous online discussion led to the highest phases of …

Identification of penumbra and infarct in acute ischemic stroke using computed tomography perfusion–derived blood flow and blood volume measurements

…, MJ Hogan, SB Coutts, AM Demchuk, M Goyal, RI Aviv… - Stroke, 2006 - Am Heart Assoc
Background and Purpose— We investigated whether computed tomography (CT) perfusion–derived
cerebral blood flow (CBF) and cerebral blood volume (CBV) could be used to …

Atrial premature beats predict atrial fibrillation in cryptogenic stroke: results from the EMBRACE trial

…, R Aviv, K Boyle, J Blakely, R Cote… - Stroke, 2015 - Am Heart Assoc
Background and Purpose— Many ischemic strokes or transient ischemic attacks are labeled
cryptogenic but may have undetected atrial fibrillation (AF). We sought to identify those most …