Ale Algra

71.9k total citations · 15 hit papers
536 papers, 42.7k citations indexed

About

Ale Algra is a scholar working on Neurology, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Ale Algra has authored 536 papers receiving a total of 42.7k indexed citations (citations by other indexed papers that have themselves been cited), including 249 papers in Neurology, 194 papers in Pulmonary and Respiratory Medicine and 184 papers in Epidemiology. Recurrent topics in Ale Algra's work include Intracranial Aneurysms: Treatment and Complications (171 papers), Cerebrovascular and Carotid Artery Diseases (170 papers) and Acute Ischemic Stroke Management (164 papers). Ale Algra is often cited by papers focused on Intracranial Aneurysms: Treatment and Complications (171 papers), Cerebrovascular and Carotid Artery Diseases (170 papers) and Acute Ischemic Stroke Management (164 papers). Ale Algra collaborates with scholars based in Netherlands, United States and United Kingdom. Ale Algra's co-authors include Gabriël J.E. Rinkel, J. van Gijn, G. J. E. Rinkel, Paut Greebe, L. Jaap Kappelle, Jacoline E. C. Bromberg, J. van Gijn, Catharina J.M. Klijn, Nicolien K. de Rooij and Monique H.M. Vlak and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Ale Algra

531 papers receiving 41.5k citations

Hit Papers

Family history of subarac... 1997 2026 2006 2016 1997 2010 2011 2007 1998 1000 2.0k 3.0k
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. Family history of subarachnoid haemorrhage: supplemental value of scrutinizing all relatives.
    1997 3.5k citations Ale Algra et al. Journal of Neurology Neurosurgery & Psychiatry profile →
  2. Incidence, case fatality, and functional outcome of intracerebral haemorrhage over time, according to age, sex, and ethnic origin: a systematic review and meta-analysis
    2010 1.9k citations Gabriël J.E. Rinkel, Ale Algra et al. profile →
  3. Prevalence of unruptured intracranial aneurysms, with emphasis on sex, age, comorbidity, country, and time period: a systematic review and meta-analysis
    2011 1.4k citations Ale Algra, Gabriël J.E. Rinkel et al. profile →
  4. Early decompressive surgery in malignant infarction of the middle cerebral artery: a pooled analysis of three randomised controlled trials
    2007 1.1k citations Jeannette Hofmeijer, Éric Vicaut et al. profile →
  5. Prevalence and Risk of Rupture of Intracranial Aneurysms
    1998 1.1k citations Gabriël J.E. Rinkel, Ale Algra et al. Stroke profile →
  6. Changes in case fatality of aneurysmal subarachnoid haemorrhage over time, according to age, sex, and region: a meta-analysis
    2009 1.0k citations Ale Algra, Gabriël J.E. Rinkel et al. profile →
  7. Long-term effect of aspirin on colorectal cancer incidence and mortality: 20-year follow-up of five randomised trials
    2010 990 citations Peter M. Rothwell, Ale Algra et al. profile →
  8. Development of the PHASES score for prediction of risk of rupture of intracranial aneurysms: a pooled analysis of six prospective cohort studies
    2013 946 citations Jacoba P. Greving, Marieke J.H. Wermer et al. profile →
  9. Incidence of subarachnoid haemorrhage: a systematic review with emphasis on region, age, gender and time trends
    2007 839 citations Ale Algra, Gabriël J.E. Rinkel et al. Journal of Neurology Neurosurgery & Psychiatry profile →
  10. Case-Fatality Rates and Functional Outcome After Subarachnoid Hemorrhage
    1997 838 citations Gabriël J.E. Rinkel, Ale Algra et al. Stroke profile →
  11. Surgical decompression for space-occupying cerebral infarction (the Hemicraniectomy After Middle Cerebral Artery infarction with Life-threatening Edema Trial [HAMLET]): a multicentre, open, randomised trial
    2009 621 citations Jeannette Hofmeijer, L. Jaap Kappelle et al. profile →
  12. Risk Factors for Subarachnoid Hemorrhage
    2005 553 citations Gabriël J.E. Rinkel, Ale Algra et al. Stroke profile →
  13. Worldwide Incidence of Aneurysmal Subarachnoid Hemorrhage According to Region, Time Period, Blood Pressure, and Smoking Prevalence in the Population
    2019 540 citations Mervyn D. I. Vergouwen, Gabriël J.E. Rinkel et al. profile →
  14. Risk Factors for Intracerebral Hemorrhage in the General Population
    2003 530 citations Gabriël J.E. Rinkel, Ale Algra et al. Stroke profile →
  15. Treatment and outcomes of acute basilar artery occlusion in the Basilar Artery International Cooperation Study (BASICS): a prospective registry study
    2009 527 citations Wouter J. Schonewille, Heinrich P. Mattle et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Ale Algra 24.2k 11.8k 11.7k 7.8k 3.6k 536 42.7k
Hugh S. Markus 9.5k 0.4× 9.0k 0.8× 10.4k 0.9× 8.3k 1.1× 2.4k 0.7× 464 31.8k
Alejandro A. Rabinstein 13.2k 0.5× 9.8k 0.8× 6.3k 0.5× 4.7k 0.6× 2.5k 0.7× 701 29.8k
Harold P. Adams 15.6k 0.6× 24.6k 2.1× 15.1k 1.3× 7.9k 1.0× 2.9k 0.8× 255 41.1k
J. van Gijn 19.2k 0.8× 8.7k 0.7× 8.4k 0.7× 4.6k 0.6× 1.7k 0.5× 306 31.8k
S. Claiborne Johnston 11.4k 0.5× 17.3k 1.5× 11.0k 0.9× 10.7k 1.4× 3.3k 0.9× 338 35.8k
Peter J. Koudstaal 8.3k 0.3× 12.5k 1.1× 9.7k 0.8× 11.7k 1.5× 3.1k 0.8× 448 38.8k
Randall T. Higashida 19.7k 0.8× 15.9k 1.3× 13.2k 1.1× 3.2k 0.4× 2.8k 0.8× 342 32.6k
Joseph P. Broderick 18.3k 0.8× 22.3k 1.9× 8.2k 0.7× 5.1k 0.6× 2.3k 0.6× 363 36.0k
Adnan I. Qureshi 17.0k 0.7× 18.3k 1.6× 9.9k 0.8× 4.6k 0.6× 2.7k 0.7× 858 31.9k
L. Jaap Kappelle 8.2k 0.3× 15.1k 1.3× 10.9k 0.9× 6.9k 0.9× 2.1k 0.6× 486 32.3k

Countries citing papers authored by Ale Algra

Since Specialization
Citations

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

Fields of papers citing papers by Ale Algra

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ale Algra

This figure shows the co-authorship network connecting the top 25 collaborators of Ale Algra. A scholar is included among the top collaborators of Ale Algra 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 Ale Algra. Ale Algra 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.
Algra, Ale, Ewoud van Dijk, Michiel E. Erasmus, et al.. (2020). Distribution of Cardioembolic Stroke: A Cohort Study. Cerebrovascular Diseases. 49(1). 97–104. 17 indexed citations
2.
Vergouwen, Mervyn D. I., Daan Backes, Irene C. van der Schaaf, et al.. (2019). Gadolinium Enhancement of the Aneurysm Wall in Unruptured Intracranial Aneurysms Is Associated with an Increased Risk of Aneurysm Instability: A Follow-Up Study. American Journal of Neuroradiology. 40(7). 1112–1116. 62 indexed citations
3.
Mulder, Inge A., Irene C. van der Schaaf, Edwin Bennink, et al.. (2019). Stroke progression and clinical outcome in ischemic stroke patients with a history of migraine. International Journal of Stroke. 14(9). 946–955. 10 indexed citations
4.
Nguyen, Thuy, Adrien E.D. Groot, Jonathan M. Coutinho, et al.. (2018). A Reduction in Time with Electronic Monitoring In Stroke (ARTEMIS): study protocol for a randomised multicentre trial. BMJ Open. 8(6). e020844–e020844. 3 indexed citations
5.
Amarenco, Pierre, Leïla Sissani, Julien Labreuche, et al.. (2017). The Intracranial-B<sub>2</sub>LEED<sub>3</sub>S Score and the Risk of Intracranial Hemorrhage in Ischemic Stroke Patients Under Antiplatelet Treatment. Cerebrovascular Diseases. 43(3-4). 145–151. 15 indexed citations
6.
Ruigrok, Ynte M., Ale Algra, Ewoud J. van Dijk, et al.. (2017). Age‐Specific Vascular Risk Factor Profiles According to Stroke Subtype. Journal of the American Heart Association. 6(5). 44 indexed citations
7.
Os, Hendrikus J. A. van, Inge A. Mulder, Irene C. van der Schaaf, et al.. (2015). Concomitant headache in acute ischaemic stroke: relation with CT angiography and CT perfusion characteristics. European Journal of Neurology. 10. 217–217. 1 indexed citations
8.
9.
Hofmeijer, Jeannette, et al.. (2013). Cost-Effectiveness of Surgical Decompression for Space-Occupying Hemispheric Infarction. Stroke. 44(10). 2923–2925. 17 indexed citations
10.
Algra, Ale, et al.. (2013). [Secondary prevention with clopidogrel after TIA or stroke].. PubMed. 157(25). A5836–A5836. 3 indexed citations
11.
Greving, Jacoba P., Erik Buskens, Hendrik Koffijberg, & Ale Algra. (2008). Cost-Effectiveness of Aspirin Treatment in the Primary Prevention of Cardiovascular Disease Events in Subgroups Based on Age, Gender, and Varying Cardiovascular Risk. Circulation. 117(22). 2875–2883. 76 indexed citations
12.
Kruyt, Nyika D., Sanne M. Dorhout Mees, Walter M. van den Bergh, et al.. (2008). High mean fasting glucose levels independently predict poor outcome and delayed cerebral ischaemia after aneurysmal subarachnoid haemorrhage. Journal of Neurology Neurosurgery & Psychiatry. 79(12). 1382–1385. 39 indexed citations
13.
Jansen, Floor E., Olga Braams, Koen L. Vincken, et al.. (2007). Overlapping neurologic and cognitive phenotypes in patients with TSC1 or TSC2 mutations. Neurology. 70(12). 908–915. 73 indexed citations
14.
Jansen, Floor E., Koen L. Vincken, Ale Algra, et al.. (2007). Cognitive impairment in tuberous sclerosis complex is a multifactorial condition. Neurology. 70(12). 916–923. 155 indexed citations
15.
Jacobs, Johannes W G, R. N. J. de Nijs, Willem F. Lems, et al.. (2007). Prevention of glucocorticoid induced osteoporosis with alendronate or alfacalcidol: relations of change in bone mineral density, bone markers, and calcium homeostasis.. University of Groningen research database (University of Groningen / Centre for Information Technology). 34(5). 1051–7. 25 indexed citations
16.
Jansen, Floor E., Alexander C. van Huffelen, Ale Algra, & Onno van Nieuwenhuizen. (2006). Epilepsy surgery in patients with tuberous sclerosis: A systematic review. Data Archiving and Networked Services (DANS). 2 indexed citations
17.
Nijs, R. N. J. de, Johannes W. G. Jacobs, Willem F. Lems, et al.. (2006). Alendronate or Alfacalcidol in Glucocorticoid-Induced Osteoporosis. Obstetrical & Gynecological Survey. 62(1). 37–38. 28 indexed citations
18.
19.
Alamowitch, Sonia, Michael Eliasziw, Ale Algra, Heather Meldrum, & Henry J.M. Barnett. (2001). Risk, Causes and Prevention of Ischemic Stroke in Elderly Patients with Symptomatic Internal Carotid Artery Stenosis. Stroke. 32. 332–332. 3 indexed citations
20.

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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