A. Algra

3.1k total citations · 1 hit paper
29 papers, 2.1k citations indexed

About

A. Algra is a scholar working on Neurology, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, A. Algra has authored 29 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Neurology, 11 papers in Pulmonary and Respiratory Medicine and 7 papers in Epidemiology. Recurrent topics in A. Algra's work include Cerebrovascular and Carotid Artery Diseases (10 papers), Intracranial Aneurysms: Treatment and Complications (10 papers) and Traumatic Brain Injury and Neurovascular Disturbances (9 papers). A. Algra is often cited by papers focused on Cerebrovascular and Carotid Artery Diseases (10 papers), Intracranial Aneurysms: Treatment and Complications (10 papers) and Traumatic Brain Injury and Neurovascular Disturbances (9 papers). A. Algra collaborates with scholars based in Netherlands, Germany and United Kingdom. A. Algra's co-authors include J. van Gijn, Peter J. Koudstaal, Jaap Kappelle, Diederick E. Grobbee, Jeanet M. Kemmeren, G. J. E. Rinkel, Valery L. Feigin, Marijn A. Vermeulen, Willem P.Th.M. Mali and L. Jaap Kappelle and has published in prestigious journals such as New England Journal of Medicine, Gastroenterology and Neurology.

In The Last Decade

A. Algra

29 papers receiving 2.0k 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.

A Comparison of Two Doses of Aspirin (30 mg vs. 283 mg a Day) in Patients after a Transient Ischemic Attack or Minor Ischemic Stroke

1991 546 citations J. van Gijn, A. Algra et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
A. Algra Netherlands	18	734	682	648	612	273	29	2.1k
Philip Teal Canada	20	639 0.9×	843 1.2×	895 1.4×	1.4k 2.2×	589 2.2×	42	2.4k
O. Busse Germany	25	1.1k 1.5×	977 1.4×	343 0.5×	1.7k 2.8×	335 1.2×	116	2.8k
M. A. Sloan United States	19	1.1k 1.5×	994 1.5×	492 0.8×	1.1k 1.8×	203 0.7×	24	2.4k
Kevin M. Cockroft United States	22	1.6k 2.1×	1.3k 1.8×	765 1.2×	1.3k 2.1×	252 0.9×	79	3.7k
Maarten Uyttenboogaart Netherlands	31	1.3k 1.8×	766 1.1×	294 0.5×	1.3k 2.2×	445 1.6×	108	2.8k
S. Claiborne Johnston United States	10	425 0.6×	771 1.1×	845 1.3×	1.1k 1.8×	290 1.1×	17	1.9k
Paul T. Akins United States	26	763 1.0×	521 0.8×	258 0.4×	859 1.4×	180 0.7×	44	2.3k
Konstantinos Voumvourakis Greece	29	806 1.1×	613 0.9×	450 0.7×	721 1.2×	120 0.4×	114	2.2k
Hadie Adams United States	30	1.2k 1.6×	984 1.4×	849 1.3×	956 1.6×	70 0.3×	52	3.3k
Mehmet Akif Topçuoğlu Türkiye	31	1.4k 2.0×	847 1.2×	586 0.9×	1.0k 1.7×	184 0.7×	208	3.5k

Countries citing papers authored by A. Algra

Since Specialization

Citations

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

Fields of papers citing papers by A. Algra

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of A. Algra

This figure shows the co-authorship network connecting the top 25 collaborators of A. Algra. A scholar is included among the top collaborators of A. 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 A. Algra. A. Algra 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

Vlak, Monique H.M., G. J. E. Rinkel, Paut Greebe, Jacoba P. Greving, & A. Algra. (2013). Lifetime risks for aneurysmal subarachnoid haemorrhage: multivariable risk stratification. Journal of Neurology Neurosurgery & Psychiatry. 84(6). 619–623. 46 indexed citations

Biesbroek, J. Matthijs, Jan Willem Berkelbach van der Sprenkel, A. Algra, & G. J. E. Rinkel. (2012). Prognosis of acute subdural haematoma from intracranial aneurysm rupture. Journal of Neurology Neurosurgery & Psychiatry. 84(3). 254–257. 17 indexed citations

Persoon, Suzanne, Merel J.A. Luitse, Gert Jan de Borst, et al.. (2010). Symptomatic internal carotid artery occlusion: a long-term follow-up study. Journal of Neurology Neurosurgery & Psychiatry. 82(5). 521–526. 53 indexed citations

Capelle, Lisette G., Monique H.M. Vlak, A. Algra, & Gabriël J.E. Rinkel. (2010). Comparison of patient and proxy responses on risk factors for stroke. Acta Neurologica Scandinavica. 123(3). 160–166. 6 indexed citations

Worp, H. Bart van der, et al.. (2008). Accuracy and inter-observer variation in the classification of dysarthria from speech recordings. Journal of Neurology. 255(10). 1545–1548. 18 indexed citations

Kappelle, L. Jaap, A. Algra, Maria Grypdonck, & Thóra B. Hafsteinsdøttir. (2007). Effects of Bobath Based Therapy on depression, shoulder pain and health related quality of life in stroke patients.. Journal of Rehabilitation Medicine. 29(8). 627–632. 2 indexed citations

Algra, A., et al.. (2006). Relation between size of aneurysms and risk of rebleeding in patients with subarachnoid haemorrhage. Acta Neurochirurgica. 148(12). 1277–1280. 19 indexed citations

Mees, Sanne M. Dorhout, Walter M. van den Bergh, A. Algra, & Gabriël J.E. Rinkel. (2006). Achieved serum magnesium concentrations and occurrence of delayed cerebral ischaemia and poor outcome in aneurysmal subarachnoid haemorrhage. Journal of Neurology Neurosurgery & Psychiatry. 78(7). 729–731. 16 indexed citations

Schuiling, Wouter J., A. Algra, A.W. de Weerd, Peter Leemans, & Gabriël J.E. Rinkel. (2006). ECG abnormalities in predicting secondary cerebral ischemia after subarachnoid haemorrhage. Acta Neurochirurgica. 148(8). 853–858. 39 indexed citations

10.

Rinkel, G. J. E., Valery L. Feigin, A. Algra, et al.. (2005). Calcium antagonists for aneurysmal subarachnoid haemorrhage. Cochrane Database of Systematic Reviews. CD000277–CD000277. 68 indexed citations

11.

Hofmeijer, Jeannette, et al.. (2003). [Surgical decompression in space-occupying cerebral infarct; notification of a randomized trial].. PubMed. 147(52). 2594–6. 3 indexed citations

12.

Tangelder, Marco J.D., et al.. (2001). Optimal oral anticoagulant intensity to prevent secondary ischemic and hemorrhagic events in patients after infrainguinal bypass graft surgery. Journal of Vascular Surgery. 33(3). 522–527. 36 indexed citations

13.

Bosch, Maurice A. A. J. van den, et al.. (2001). Distal aortic diameter and peripheral arterial occlusive disease. Journal of Vascular Surgery. 34(6). 1085–1089. 13 indexed citations

14.

Kemmeren, Jeanet M., A. Algra, & Diederick E. Grobbee. (2001). Third generation oral contraceptives and risk of venous thrombosis: meta-analysis. BMJ. 323(7305). 131–131. 275 indexed citations

15.

Simons, Petra C. G., et al.. (1999). Carotid artery stenosis in patients with peripheral arterial disease: The SMART study. Journal of Vascular Surgery. 30(3). 519–525. 46 indexed citations

16.

Buskens, Erik, et al.. (1998). Mayo and NINDS scales for assessment of tendon reflexes: between observer agreement and implications for communication. Journal of Neurology Neurosurgery & Psychiatry. 64(2). 253–255. 62 indexed citations

17.

Zandvoort, M.J.E. van, L. Jaap Kappelle, A. Algra, & Edward H.F. de Haan. (1998). Decreased capacity for mental effort after single supratentorial lacunar infarct may affect performance in everyday life. Journal of Neurology Neurosurgery & Psychiatry. 65(5). 697–702. 66 indexed citations

18.

Grond, Jeroen van der, F.E. de Leeuw, Jan Cees de Groot, et al.. (1998). Circle of Willis: morphologic variation on three-dimensional time-of-flight MR angiograms.. Radiology. 207(1). 103–111. 299 indexed citations

19.

Bots, Michiel L., et al.. (1998). Effect of timing of blood pressure measurement in the assessment of arterial stiffness: the SMART study. Ultrasound in Medicine & Biology. 24(9). 1285–1289. 9 indexed citations

20.

Algra, A., et al.. (1996). Risk of primary sclerosing cholangitis is associated with nonsmoking behavior. Gastroenterology. 110(5). 1503–1506. 76 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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