Olvert A. Berkhemer

8.5k total citations · 1 hit paper
68 papers, 2.2k citations indexed

About

Olvert A. Berkhemer is a scholar working on Epidemiology, Pulmonary and Respiratory Medicine and Neurology. According to data from OpenAlex, Olvert A. Berkhemer has authored 68 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 68 papers in Epidemiology, 43 papers in Pulmonary and Respiratory Medicine and 27 papers in Neurology. Recurrent topics in Olvert A. Berkhemer's work include Acute Ischemic Stroke Management (67 papers), Cerebrovascular and Carotid Artery Diseases (43 papers) and Venous Thromboembolism Diagnosis and Management (26 papers). Olvert A. Berkhemer is often cited by papers focused on Acute Ischemic Stroke Management (67 papers), Cerebrovascular and Carotid Artery Diseases (43 papers) and Venous Thromboembolism Diagnosis and Management (26 papers). Olvert A. Berkhemer collaborates with scholars based in Netherlands, United States and Germany. Olvert A. Berkhemer's co-authors include Charles B.L.M. Majoie, Diederik W.J. Dippel, Aad van der Lugt, Wim H. van Zwam, Robert J. van Oostenbrugge, Yvo B.W.E.M. Roos, Henk A. Marquering, Hester F. Lingsma, Debbie Beumer and Puck Fransen and has published in prestigious journals such as New England Journal of Medicine, SHILAP Revista de lepidopterología and Annals of Internal Medicine.

In The Last Decade

Olvert A. Berkhemer

67 papers receiving 2.2k 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.

MR CLEAN, a multicenter randomized clinical trial of endovascular treatment for acute ischemic stroke in the Netherlands: study protocol for a randomized controlled trial

2014 391 citations Puck Fransen, Debbie Beumer et al. Trials profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Olvert A. Berkhemer Netherlands	27	2.0k	1.2k	842	685	490	68	2.2k
Johanna M. Ospel Canada	24	1.6k 0.8×	1.0k 0.9×	587 0.7×	504 0.7×	467 1.0×	183	2.0k
Christian Herweh Germany	30	1.8k 0.9×	1.1k 0.9×	1.3k 1.6×	611 0.9×	470 1.0×	96	2.7k
Jorge Pagola Spain	29	1.7k 0.9×	838 0.7×	990 1.2×	562 0.8×	395 0.8×	76	2.2k
Fabian Flottmann Germany	27	1.7k 0.8×	876 0.8×	645 0.8×	666 1.0×	493 1.0×	88	1.9k
Mirjam R. Heldner Switzerland	29	1.8k 0.9×	1.1k 0.9×	975 1.2×	698 1.0×	637 1.3×	116	2.6k
Kyriakos Lobotesis United Kingdom	23	2.1k 1.0×	1.3k 1.1×	1.0k 1.2×	761 1.1×	702 1.4×	53	2.7k
Fabrício Oliveira Lima Brazil	21	1.4k 0.7×	745 0.6×	695 0.8×	344 0.5×	466 1.0×	52	1.8k
Ferdinand Miteff Australia	13	1.4k 0.7×	757 0.7×	675 0.8×	394 0.6×	414 0.8×	28	1.6k
Lars Herrman Sweden	7	1.5k 0.7×	787 0.7×	562 0.7×	537 0.8×	489 1.0×	9	1.7k
Doojin Kim United States	23	1.5k 0.7×	813 0.7×	634 0.8×	409 0.6×	308 0.6×	52	1.9k

Countries citing papers authored by Olvert A. Berkhemer

Since Specialization

Citations

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

Fields of papers citing papers by Olvert A. Berkhemer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Olvert A. Berkhemer. 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 Olvert A. Berkhemer. The network helps show where Olvert A. Berkhemer may publish in the future.

Co-authorship network of co-authors of Olvert A. Berkhemer

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

All Works

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20 of 20 papers shown

Tolhuisen, Manon L., Frank Thiele, Henk van Voorst, et al.. (2023). Accuracy of Four Different CT Perfusion Thresholds for Ischemic Core Volume and Location Estimation Using IntelliSpace Portal. Journal of Cardiovascular Development and Disease. 10(6). 239–239. 1 indexed citations

Roozenbeek, Bob, Olvert A. Berkhemer, Peter J. Koudstaal, et al.. (2022). Added Value of a Blinded Outcome Adjudication Committee in an Open-Label Randomized Stroke Trial. EUR Research Repository (Erasmus University Rotterdam). 4 indexed citations

Kappelhof, Manon, Olvert A. Berkhemer, Ludo F.M. Beenen, et al.. (2022). Association of Ischemic Core Imaging Biomarkers With Post-Thrombectomy Clinical Outcomes in the MR CLEAN Registry. Frontiers in Neurology. 12. 771367–771367. 6 indexed citations

Voorst, Henk van, Erik Buskens, Hester F. Lingsma, et al.. (2022). Cost-effectiveness of CT perfusion for patients with acute ischemic stroke (CLEOPATRA)-Study protocol for a healthcare evaluation study. European Stroke Journal. 7(2). 188–197. 6 indexed citations

Kappelhof, Manon, Ivo G.H. Jansen, Johanna M. Ospel, et al.. (2022). Endovascular Treatment May Benefit Patients With Low Baseline Alberta Stroke Program Early CT Score: Results From the MR CLEAN Registry. SHILAP Revista de lepidopterología. 2(3). e000199–e000199. 1 indexed citations

Konduri, Praneeta R., Anna M.M. Boers, Kilian M. Treurniet, et al.. (2021). The Role of Edema in Subacute Lesion Progression After Treatment of Acute Ischemic Stroke. Frontiers in Neurology. 12. 705221–705221. 12 indexed citations

Wolff, Lennard, Olvert A. Berkhemer, Adriaan C.G.M. van Es, et al.. (2020). Validation of automated Alberta Stroke Program Early CT Score (ASPECTS) software for detection of early ischemic changes on non-contrast brain CT scans. Neuroradiology. 63(4). 491–498. 16 indexed citations

Kappelhof, Manon, Bart J. Emmer, Olvert A. Berkhemer, et al.. (2020). Thrombectomy for acute ischemic stroke patients with isolated distal internal carotid artery occlusion: a retrospective observational study. Neuroradiology. 63(5). 777–786. 12 indexed citations

Kappelhof, Manon, Henk A. Marquering, Olvert A. Berkhemer, et al.. (2018). Accuracy of CT Angiography for Differentiating Pseudo-Occlusion from True Occlusion or High-Grade Stenosis of the Extracranial ICA in Acute Ischemic Stroke: A Retrospective MR CLEAN Substudy. American Journal of Neuroradiology. 39(5). 892–898. 27 indexed citations

10.

Compagne, Kars C.J., Anna M.M. Boers, Henk A. Marquering, et al.. (2018). Follow-up infarct volume as a mediator of endovascular treatment effect on functional outcome in ischaemic stroke. European Radiology. 29(2). 736–744. 19 indexed citations

11.

Compagne, Kars C.J., Pascal R.D. Clephas, Charles B.L.M. Majoie, et al.. (2018). Intracranial Carotid Artery Calcification and Effect of Endovascular Stroke Treatment. Stroke. 49(12). 2961–2968. 32 indexed citations

12.

Alves, Heitor, Kilian M. Treurniet, Bruna Garbugio Dutra, et al.. (2018). Associations Between Collateral Status and Thrombus Characteristics and Their Impact in Anterior Circulation Stroke. Stroke. 49(2). 391–396. 40 indexed citations

13.

Borst, Jordi, Olvert A. Berkhemer, Emilie Santos, et al.. (2017). Value of Thrombus CT Characteristics in Patients with Acute Ischemic Stroke. American Journal of Neuroradiology. 38(9). 1758–1764. 28 indexed citations

14.

Mulder, Maxim J.H.L., Esmée Venema, Bob Roozenbeek, et al.. (2017). Towards personalised intra-arterial treatment of patients with acute ischaemic stroke: a study protocol for development and validation of a clinical decision aid. BMJ Open. 7(3). e013699–e013699. 6 indexed citations

15.

Jansen, Ivo G.H., Olvert A. Berkhemer, Albert J. Yoo, et al.. (2016). Comparison of CTA- and DSA-Based Collateral Flow Assessment in Patients with Anterior Circulation Stroke. American Journal of Neuroradiology. 37(11). 2037–2042. 26 indexed citations

16.

Boers, Anna M.M., Olvert A. Berkhemer, Cornelis H. Slump, et al.. (2016). Topographic distribution of cerebral infarct probability in patients with acute ischemic stroke: mapping of intra-arterial treatment effect. Journal of NeuroInterventional Surgery. 9(5). 431–436. 5 indexed citations

17.

Santos, Emilie, Albert J. Yoo, Ludo F.M. Beenen, et al.. (2015). Observer variability of absolute and relative thrombus density measurements in patients with acute ischemic stroke. Neuroradiology. 58(2). 133–139. 25 indexed citations

18.

Fransen, Puck, Debbie Beumer, Olvert A. Berkhemer, et al.. (2014). MR CLEAN, a multicenter randomized clinical trial of endovascular treatment for acute ischemic stroke in the Netherlands: study protocol for a randomized controlled trial. Trials. 15(1). 343–343. 391 indexed citations breakdown →

19.

Gaag, Niels A. van der, Olvert A. Berkhemer, Mirjam A. G. Sprangers, et al.. (2014). Quality of Life and Functional Outcome After Resection of Pancreatic Cystic Neoplasm. Pancreas. 43(5). 755–761. 14 indexed citations

20.

Santos, Emilie, Henk A. Marquering, Olvert A. Berkhemer, et al.. (2014). Development and Validation of Intracranial Thrombus Segmentation on CT Angiography in Patients with Acute Ischemic Stroke. PLoS ONE. 9(7). e101985–e101985. 12 indexed citations

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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