Andrew M. Demchuk

67.7k total citations · 12 hit papers
465 papers, 25.4k citations indexed

About

Andrew M. Demchuk is a scholar working on Epidemiology, Neurology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Andrew M. Demchuk has authored 465 papers receiving a total of 25.4k indexed citations (citations by other indexed papers that have themselves been cited), including 404 papers in Epidemiology, 223 papers in Neurology and 213 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Andrew M. Demchuk's work include Acute Ischemic Stroke Management (402 papers), Cerebrovascular and Carotid Artery Diseases (211 papers) and Traumatic Brain Injury and Neurovascular Disturbances (122 papers). Andrew M. Demchuk is often cited by papers focused on Acute Ischemic Stroke Management (402 papers), Cerebrovascular and Carotid Artery Diseases (211 papers) and Traumatic Brain Injury and Neurovascular Disturbances (122 papers). Andrew M. Demchuk collaborates with scholars based in Canada, United States and Germany. Andrew M. Demchuk's co-authors include Michael D. Hill, Alastair M. Buchan, Philip A. Barber, Mayank Goyal, Bijoy K. Menon, Jinjin Zhang, Shelagh B. Coutts, James C. Grotta, Dar Dowlatshahi and Eric E. Smith and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Circulation.

In The Last Decade

Andrew M. Demchuk

445 papers receiving 24.8k citations

Hit Papers

Validity and reliability ... 2000 2026 2008 2017 2000 2007 2004 2001 2001 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Validity and reliability of a quantitative computed tomography score in predicting outcome of hyperacute stroke before thrombolytic therapy
    2000 1.8k citations Andrew M. Demchuk et al. profile →
  2. Magnetic resonance imaging and computed tomography in emergency assessment of patients with suspected acute stroke: a prospective comparison
    2007 860 citations Andrew M. Demchuk, Michael D. Hill et al. profile →
  3. Ultrasound-Enhanced Systemic Thrombolysis for Acute Ischemic Stroke
    2004 749 citations Andrew M. Demchuk, Michael D. Hill et al. profile →
  4. Use of the Alberta Stroke Program Early CT Score (ASPECTS) for assessing CT scans in patients with acute stroke.
    2001 637 citations Michael D. Hill, Andrew M. Demchuk et al. profile →
  5. Why are stroke patients excluded from TPA therapy?
    2001 576 citations Andrew M. Demchuk, Michael D. Hill et al. Neurology profile →
  6. Low Rates of Acute Recanalization With Intravenous Recombinant Tissue Plasminogen Activator in Ischemic Stroke
    2010 530 citations Rohit Bhatia, Michael D. Hill et al. Stroke profile →
  7. CT Angiography Clot Burden Score and Collateral Score: Correlation with Clinical and Radiologic Outcomes in Acute Middle Cerebral Artery Infarct
    2009 504 citations Andrew M. Demchuk, Richard I. Aviv et al. American Journal of Neuroradiology profile →
  8. Intracerebral haemorrhage: current approaches to acute management
    2018 485 citations Andrew M. Demchuk, Craig S. Anderson et al. profile →
  9. Defining hematoma expansion in intracerebral hemorrhage
    2011 476 citations Dar Dowlatshahi, Andrew M. Demchuk et al. Neurology profile →
  10. Multiphase CT Angiography: A New Tool for the Imaging Triage of Patients with Acute Ischemic Stroke
    2015 449 citations Bijoy K. Menon, Emmad Qazi et al. profile →
  11. Scientific Rationale for the Inclusion and Exclusion Criteria for Intravenous Alteplase in Acute Ischemic Stroke
    2015 442 citations Andrew M. Demchuk, Gustavo Saposnik et al. Stroke profile →
  12. Prediction of haematoma growth and outcome in patients with intracerebral haemorrhage using the CT-angiography spot sign (PREDICT): a prospective observational study
    2012 430 citations Andrew M. Demchuk, Dar Dowlatshahi et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Andrew M. Demchuk Canada 79 21.1k 11.9k 11.3k 5.4k 4.9k 465 25.4k
David S. Liebeskind United States 79 19.3k 0.9× 11.1k 0.9× 12.5k 1.1× 4.4k 0.8× 4.4k 0.9× 738 25.9k
Chelsea S. Kidwell United States 62 17.0k 0.8× 8.5k 0.7× 8.6k 0.8× 3.9k 0.7× 4.5k 0.9× 149 23.0k
Randall T. Higashida United States 79 15.9k 0.8× 19.7k 1.7× 13.2k 1.2× 3.1k 0.6× 3.8k 0.8× 342 32.6k
Rüdiger von Kummer Germany 53 15.0k 0.7× 7.7k 0.7× 7.1k 0.6× 4.5k 0.8× 4.2k 0.9× 164 18.1k
Andrei V. Alexandrov United States 70 11.8k 0.6× 7.3k 0.6× 8.6k 0.8× 2.8k 0.5× 2.7k 0.6× 441 18.3k
Anthony J. Furlan United States 52 13.0k 0.6× 7.0k 0.6× 8.6k 0.8× 3.2k 0.6× 3.6k 0.7× 161 17.6k
Mayank Goyal Canada 65 12.3k 0.6× 5.7k 0.5× 7.3k 0.6× 3.8k 0.7× 3.6k 0.7× 552 15.2k
Lawrence R. Wechsler United States 61 10.5k 0.5× 6.4k 0.5× 7.6k 0.7× 2.1k 0.4× 2.9k 0.6× 213 16.5k
Scott E. Kasner United States 60 11.7k 0.6× 7.5k 0.6× 8.5k 0.8× 2.2k 0.4× 2.7k 0.6× 339 21.8k
Tudor G. Jovin United States 59 12.7k 0.6× 6.9k 0.6× 9.3k 0.8× 3.6k 0.7× 3.5k 0.7× 431 15.8k

Countries citing papers authored by Andrew M. Demchuk

Since Specialization
Citations

This map shows the geographic impact of Andrew M. Demchuk's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Andrew M. Demchuk with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Andrew M. Demchuk more than expected).

Fields of papers citing papers by Andrew M. Demchuk

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew M. Demchuk. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Andrew M. Demchuk. The network helps show where Andrew M. Demchuk may publish in the future.

Co-authorship network of co-authors of Andrew M. Demchuk

This figure shows the co-authorship network connecting the top 25 collaborators of Andrew M. Demchuk. A scholar is included among the top collaborators of Andrew M. Demchuk based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Andrew M. Demchuk. Andrew M. Demchuk is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Ospel, Johanna M., Kazutaka Uchida, Andrew M. Demchuk, et al.. (2025). Modified Rankin Scale at 90 Days Versus National Institutes of Health Stroke Scale at 24 Hours as Primary Outcome in Acute Stroke Trials. Journal of the American Heart Association. 14(5). e037752–e037752. 1 indexed citations
2.
Tanaka, Kõji, et al.. (2023). Risk of stroke within 3, 7, 14, 21 and 30 days after influenza vaccination in Alberta, Canada: A population‐based study. European Journal of Neurology. 31(4). e16172–e16172. 3 indexed citations
3.
Zhou, Zien, Candice Delcourt, Chao Xia, et al.. (2021). Low-Dose vs Standard-Dose Alteplase in Acute Lacunar Ischemic Stroke. Neurology. 96(11). e1512–e1526. 14 indexed citations
4.
Zhou, Zien, Chao Xia, Grant Mair, et al.. (2021). Thrombolysis outcomes according to arterial characteristics of acute ischemic stroke by alteplase dose and blood pressure target. International Journal of Stroke. 17(5). 566–575. 2 indexed citations
5.
6.
Marko, Martha, Petra Cimflová, Alexandre Y. Poppe, et al.. (2021). Management and outcome of patients with acute ischemic stroke and tandem carotid occlusion in the ESCAPE-NA1 trial. Journal of NeuroInterventional Surgery. 14(5). 429–433. 13 indexed citations
7.
Ospel, Johanna M., Petra Cimflová, Martha Marko, et al.. (2020). Prevalence and Outcomes of Medium Vessel Occlusions With Discrepant Infarct Patterns. Stroke. 51(9). 2817–2824. 13 indexed citations
8.
Almekhlafi, Mohammed, Johanna M. Ospel, Gustavo Saposnik, et al.. (2020). Endovascular Treatment Decisions in Patients with M2 Segment MCA Occlusions. American Journal of Neuroradiology. 41(2). 280–285. 31 indexed citations
9.
Ospel, Johanna M., Bijoy K. Menon, Andrew M. Demchuk, et al.. (2020). Clinical Course of Acute Ischemic Stroke Due to Medium Vessel Occlusion With and Without Intravenous Alteplase Treatment. Stroke. 51(11). 3232–3240. 88 indexed citations
10.
Yogendrakumar, Vignan, Fahad Al-Ajlan, Mohamed Najm, et al.. (2019). Clot Burden Score and Early Ischemia Predict Intracranial Hemorrhage following Endovascular Therapy. American Journal of Neuroradiology. 40(4). 655–660. 10 indexed citations
11.
Najm, Mohamed, Fahad Al-Ajlan, Mari E. Boesen, et al.. (2018). Defining CT Perfusion Thresholds for Infarction in the Golden Hour and With Ultra-Early Reperfusion. Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques. 45(3). 339–342. 18 indexed citations
12.
Al-Ajlan, Fahad, Abdulaziz S. Al Sultan, Priyanka Minhas, et al.. (2017). Posttreatment Infarct Volumes when Compared with 24-Hour and 90-Day Clinical Outcomes: Insights from the REVASCAT Randomized Controlled Trial. American Journal of Neuroradiology. 39(1). 107–110. 17 indexed citations
13.
14.
Lee, Jin Soo, Ji Man Hong, Kyu‐Sun Lee, et al.. (2015). Endovascular Therapy of Cerebral Arterial Occlusions: Intracranial Atherosclerosis versus Embolism. Journal of Stroke and Cerebrovascular Diseases. 24(9). 2074–2080. 109 indexed citations
15.
Blacquière, Dylan, Andrew M. Demchuk, William Petrcich, et al.. (2015). Intracerebral Hematoma Morphologic Appearance on Noncontrast Computed Tomography Predicts Significant Hematoma Expansion. Stroke. 46(11). 3111–3116. 99 indexed citations
16.
17.
Dowlatshahi, Dar, Jason K. Wasserman, Franco Momoli, et al.. (2013). Evolution of Computed Tomography Angiography Spot Sign Is Consistent With a Site of Active Hemorrhage in Acute Intracerebral Hemorrhage. Stroke. 45(1). 277–280. 53 indexed citations
18.
Butcher, Kenneth, Thomas Jeerakathil, Michael D. Hill, et al.. (2013). The Intracerebral Hemorrhage Acutely Decreasing Arterial Pressure Trial. Stroke. 44(3). 620–626. 140 indexed citations
19.
Xue, Mengzhou, et al.. (2010). Improving Outcomes of Neuroprotection by Minocycline. American Journal Of Pathology. 176(3). 1193–1202. 58 indexed citations
20.
Bhatia, Rohit, Michael D. Hill, Nandavar Shobha, et al.. (2010). Low Rates of Acute Recanalization With Intravenous Recombinant Tissue Plasminogen Activator in Ischemic Stroke. Stroke. 41(10). 2254–2258. 530 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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