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Dr. Andrew Demchuk, FRCPC

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Dr. Andrew Demchuk is an Associate Professor in the Department of Clinical Neurosciences for the Cumming School of Medicine, University of Calgary. He is also a stroke neurologist and Director of the Calgary Stroke Program, Alberta Health Services.

Dr. Demchuk received his undergraduate degree in 1989 from the University of Regina, Saskatchewan. He then went on to complete his medical degree (with distinction) from the University of Saskatchewan in 1993, followed by his residency in neurology from the University of Calgary (1993-97).  Dr. Demchuk completed a fellowship in cerebrovascular disease (1997-99) from the University of Texas-Houston, under the direction of Dr. J.C. Grotta.

Dr. Demchuk’s primary research interests focus on vascular imaging, where he is trying to establish target populations for new stroke treatments by selecting patients based on imaging tests performed in the emergency setting.

In addition to his research and clinical activities, Dr. Demchuk is a member on a number of local, national, and international committees. He is the past board chair for the Heart and Stroke Foundation of Alberta, NWT, and Nunavut and member of the Board of Directors of the Canadian Stroke Consortium. He is currently a member of the Scientific Committee of the European Stroke Conference.

Throughout his career he has received a number of awards, including the Michael S. Pessin Stroke Leadership Prize from the American Academy of Neurology (2003), and the A Keith W Brownell Neurology Teaching Award for resident teaching (2006). He currently holds a scholar award from the Alberta Heritage Foundation for Medical Research (AHFMR). 

 

Latest Publications by Dr. Demchuk:

Automated brain extraction from head CT and CTA images using convex optimization with shape propagation

Author(s):Najm, M. | Kuang, H. | Federico, A. | Jogiat, U. | Goyal, M. | Hill, M.D. | Demchuk, A. | Menon, B.K. | Qiu, W.
Publication year: 2019
Journal / Book title: Computer Methods and Programs in Biomedicine

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Interrater and Intrarater Measurement Reliability of Noncontrast Computed Tomography Predictors of Intracerebral Hemorrhage Expansion

Author(s):Dowlatshahi, D. | Morotti, A. | Al-Ajlan, F.S. | Boulouis, G. | Warren, A.D. | Petrcich, W. | Aviv, R.I. | Demchuk, A.M. | Goldstein, J.N.
Publication year: 2019
Journal / Book title: Stroke

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Diffusion-Weighted MRI Stroke Volume Following Recanalization Treatment is Threshold-Dependent

Author(s):Sah, R.G. | d’Esterre, C.D. | Hill, M.D. | Hafeez, M. | Tariq, S. | Forkert, N.D. | Demchuk, A.M. | Goyal, M. | Barber, P.A.
Publication year: 2019
Journal / Book title: Clinical Neuroradiology

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Rapid alteplase administration improves functional outcomes in patients with stroke due to large vessel occlusions: Meta-analysis of the noninterventional arm from the HERMES collaboration

Author(s):Goyal, M. | Almekhlafi, M. | DIppel, D.W. | Campbell, B.C.V. | Muir, K. | Demchuk, A.M. | Bracard, S. | Davalos, A. | Guillemin, F. | Jovin, T.G. | Menon, B.K. | Mitchell, P.J. | Brown, S. | White, P. | Majoie, C.B.L.M. | Saver, J.L. | Hill, M.D.
Publication year: 2019
Journal / Book title: Stroke

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Glucose modifies the effect of endovascular thrombectomy in patients with acute stroke: A pooled-data meta-analysis

Author(s):Chamorro, Á. | Brown, S. | Amaro, S. | Hill, M.D. | Muir, K.W. | DIppel, D.W.J. | Van Zwam, W. | Butcher, K. | Ford, G.A. | Den Hertog, H.M. | Mitchell, P.J. | Demchuk, A.M. | Majoie, C.B.L.M. | Bracard, S. | Sibon, I. | Jadhav, A.P. | Lara-Rodriguez, B. | Van Der Lugt, A. | Osei, E. | Renú, A. | Richard, S. | Rodriguez-Luna, D. | Donnan, G.A. | DIxit, A. | Almekhlafi, M. | Deltour, S. | Epstein, J. | Guillon, B. | Bakchine, S. | Gomis, M. | Du Mesnil De Rochemont, R. | Lopes, D. | Reddy, V. | Rudel, G. | Roos, Y.B.W.E.M. | Bonafe, A. | DIener, H.-C. | Berkhemer, O.A. | Cloud, G.C. | Davis, S.M. | Van Oostenbrugge, R. | Guillemin, F. | Goyal, M. | Campbell, B.C.V. | Menon, B.K.
Publication year: 2019
Journal / Book title: Stroke

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Computed tomographic angiography in stroke and high-risk transient ischemic attack: Do not leave the emergency department without it!

Author(s):Graham, B.R. | Menon, B.K. | Coutts, S.B. | Goyal, M. | Demchuk, A.M.
Publication year: 2018
Journal / Book title: International Journal of Stroke

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Primary to comprehensive stroke center transfers: Appropriateness, not futility

Author(s):Goyal, M. | Menon, B.K. | Wilson, A.T. | Almekhlafi, M.A. | McTaggart, R. | Jayaraman, M. | Demchuk, A.M. | Hill, M.D.
Publication year: 2018
Journal / Book title: International Journal of Stroke

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Tenacity of collateral perfusion in proximal cerebral arterial occlusions 6-12 h after onset

Author(s):Kim, B.J. | Kim, H. | Jeong, H.-G. | Yang, M.H. | Jung, C.K. | Han, M.-K. | Kim, J.H. | Demchuk, A.M. | Bae, H.-J.
Publication year: 2018
Journal / Book title: Cerebrovascular Diseases

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Thrombolytic therapies for ischemic stroke: Triumphs and future challenges

Author(s):Moussaddy, A. | Demchuk, A.M. | Hill, M.D.
Publication year: 2018
Journal / Book title: Neuropharmacology

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Defining CT Perfusion Thresholds for Infarction in the Golden Hour and with Ultra-Early Reperfusion

Author(s):Najm, M. | Al-Ajlan, F.S. | Boesen, M.E. | Hur, L. | Kim, C.K. | Fainardi, E. | Hill, M.D. | Demchuk, A.M. | Goyal, M. | Lee, T.Y. | Menon, B.K.
Publication year: 2018
Journal / Book title: Canadian Journal of Neurological Sciences

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

Author(s):Albers, G.W. | Marks, M.P. | Kemp, S. | Christensen, S. | Tsai, J.P. | Ortega-Gutierrez, S. | McTaggart, R.A. | Torbey, M.T. | Kim-Tenser, M. | Leslie-Mazwi, T. | Sarraj, A. | Kasner, S.E. | Ansari, S.A. | Yeatts, S.D. | Hamilton, S. | Mlynash, M. | Heit, J.J. | Zaharchuk, G. | Kim, S. | Carrozzella, J. | Palesch, Y.Y. | Demchuk, A.M. | Bammer, R. | Lavori, P.W. | Broderick, J.P. | Lansberg, M.G.
Publication year: 2018
Journal / Book title: New England Journal of Medicine

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Posttreatment infarct volumes when compared with 24-hour and 90-day clinical outcomes: Insights from the REVASCAT randomized controlled trial

Author(s):Al-Ajlan, F.S. | Sultan, A.S.A. | Minhas, P. | Assis, Z. | Miquel, M.A.D. | Millan, M. | San Roman, L. | Tomassello, A. | Demchuk, A.M. | Jovin, T.G. | Cuadras, P. | Davalos, A. | Goyal, M. | Menon, B.K.
Publication year: 2018
Journal / Book title: American Journal of Neuroradiology

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Visual aids for patient, family, and physician decision making about endovascular thrombectomy for acute ischemic stroke

Author(s):Tokunboh, I. | Montero, M.V. | Almeida, M.F.Z. | Sharma, L. | Starkman, S. | Szeder, V. | Jahan, R. | Liebeskind, D. | Gonzalez, N. | Demchuk, A. | Froehler, M.T. | Goyal, M. | Lansberg, M.G. | Lutsep, H. | Schwamm, L. | Saver, J.L.
Publication year: 2018
Journal / Book title: Stroke

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Added value of multiphase CTA imaging for thrombus perviousness assessment

Author(s):Santos, E.M.M. | d’Esterre, C.D. | Treurniet, K.M. | Niessen, W.J. | Najm, M. | Goyal, M. | Demchuk, A.M. | Majoie, C.B. | Menon, B.K. | Marquering, H.A. | Mandzia, J. | Fainardi, E. | Rubiera, M. | Khaw, A.V. | Zini, A. | Shankar, J.J.
Publication year: 2018
Journal / Book title: Neuroradiology

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Acute ischemic stroke with tandem lesions: Technical endovascular management and clinical outcomes from the ESCAPE trial

Author(s):Assis, Z. | Menon, B.K. | Goyal, M. | Demchuk, A.M. | Shankar, J. | Rempel, J.L. | Roy, D. | Poppe, A.Y. | Yang, V. | Lum, C. | Dowlatshahi, D. | Thornton, J. | Choe, H. | Burns, P.A. | Frei, D.F. | Baxter, B.W. | Hill, M.D.
Publication year: 2018
Journal / Book title: Journal of NeuroInterventional Surgery

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Time for a time window extension: Insights from late presenters in the escape trial

Author(s):Evans, J.W. | Graham, B.R. | Pordeli, P. | Al-Ajlan, F.S. | Willinsky, R. | Montanera, W.J. | Rempel, J.L. | Shuaib, A. | Brennan, P. | Williams, D. | Roy, D. | Poppe, A.Y. | Jovin, T.G. | Devlin, T. | Baxter, B.W. | Krings, T. | Silver, F.L. | Frei, D.F. | Fanale, C. | Tampieri, D. | Teitelbaum, J. | Iancu, D. | Shankar, J. | Barber, P.A. | Demchuk, A.M. | Goyal, M. | Hill, M.D. | Menon, B.K.
Publication year: 2018
Journal / Book title: American Journal of Neuroradiology

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Multiphase CT angiography improves prediction of intracerebral hemorrhage expansion

Author(s):Rodriguez-Luna, D. | Coscojuela, P. | Rodriguez-Villatoro, N. | Juega, J.M. | Boned, S. | Muchada, M. | Pagola, J. | Rubiera, M. | Ribo, M. | Tomasello, A. | Demchuk, A.M. | Goyal, M. | Molina, C.A.
Publication year: 2017
Journal / Book title: Radiology

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Minimal sufficient balance randomization for sequential randomized controlled trial designs: Results from the ESCAPE trial

Author(s):Sajobi, T.T. | Singh, G. | Lowerison, M.W. | Engbers, J. | Menon, B.K. | Demchuk, A.M. | Goyal, M. | Hill, M.D.
Publication year: 2017
Journal / Book title: Trials

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High-permeability region size on perfusion CT predicts hemorrhagic transformation after intravenous thrombolysis in stroke

Author(s):Puig, J. | Blasco, G. | Daunis-I-Estadella, P. | Van Eendendburg, C. | Carrillo-García, M. | Aboud, C. | Hernández-Pérez, M. | Serena, J. | Biarnés, C. | Nael, K. | Liebeskind, D.S. | Thomalla, G. | Menon, B.K. | Demchuk, A. | Wintermark, M. | Pedraza, S. | Castellanos, M.
Publication year: 2017
Journal / Book title: PLoS ONE

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Low-dose vs standard-dose alteplase for patients with acute ischemic stroke: Secondary analysis of the ENCHANTED randomized clinical trial

Author(s):Wang, X. | Robinson, T.G. | Lee, T.-H. | Li, Q. | Arima, H. | Bath, P.M. | Billot, L. | Broderick, J. | Demchuk, A.M. | Donnan, G. | Kim, J.S. | Lavados, P. | Lindley, R.I. | Martins, S.O. | Olavarria, V.V. | Pandian, J.D. | Parsons, M.W. | Pontes-Neto, O.M. | Ricci, S. | Sharma, V.K. | Thang, N.H. | Wang, J.-G. | Woodward, M. | Anderson, C.S. | Chalmers, J.
Publication year: 2017
Journal / Book title: JAMA Neurology

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