J. Hopyan

2.0k total citations · 1 hit paper
2 papers, 530 citations indexed

About

J. Hopyan is a scholar working on Pulmonary and Respiratory Medicine, Epidemiology and Neurology. According to data from OpenAlex, J. Hopyan has authored 2 papers receiving a total of 530 indexed citations (citations by other indexed papers that have themselves been cited), including 2 papers in Pulmonary and Respiratory Medicine, 2 papers in Epidemiology and 1 paper in Neurology. Recurrent topics in J. Hopyan's work include Acute Ischemic Stroke Management (2 papers), Cerebrovascular and Carotid Artery Diseases (2 papers) and Traumatic Brain Injury and Neurovascular Disturbances (1 paper). J. Hopyan is often cited by papers focused on Acute Ischemic Stroke Management (2 papers), Cerebrovascular and Carotid Artery Diseases (2 papers) and Traumatic Brain Injury and Neurovascular Disturbances (1 paper). J. Hopyan collaborates with scholars based in Canada. J. Hopyan's co-authors include Richard I. Aviv, Sean Symons, Li Zhang, David J. Gladstone, Allan J. Fox, Kwok‐Kin Wong, Andrew M. Demchuk, Carmen Martín and Amanda Murphy and has published in prestigious journals such as American Journal of Neuroradiology.

In The Last Decade

J. Hopyan

2 papers receiving 526 citations

Hit Papers

align trajectories

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.

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, J. Hopyan et al. American Journal of Neuroradiology profile →

Peers

Countries citing papers authored by J. Hopyan

Since Specialization

Citations

This map shows the geographic impact of J. Hopyan'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 J. Hopyan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. Hopyan more than expected).

Fields of papers citing papers by J. Hopyan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Hopyan. 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 J. Hopyan. The network helps show where J. Hopyan may publish in the future.

Co-authorship network of co-authors of J. Hopyan

This figure shows the co-authorship network connecting the top 25 collaborators of J. Hopyan. A scholar is included among the top collaborators of J. Hopyan 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 J. Hopyan. J. Hopyan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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2 of 2 papers shown

#	Work	Indexed citations
1	Factors Influencing Clinically Meaningful Recanalization after IV-rtPA in Acute Ischemic Stroke 2012 ·American Journal of Neuroradiology ·Amanda Murphy, Sean Symons, J. Hopyan, Richard I. Aviv	26
2	CT Angiography Clot Burden Score and Collateral Score: Correlation with Clinical and Radiologic Outcomes in Acute Middle Cerebral Artery Infarct breakdown → 2009 ·American Journal of Neuroradiology ·(unknown), Andrew M. Demchuk, J. Hopyan, Li Zhang, David J. Gladstone, Kwok‐Kin Wong, Carmen Martín, Sean Symons, Allan J. Fox, Richard I. Aviv	504

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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