Hajime Arai

9.1k total citations · 1 hit paper
267 papers, 5.6k citations indexed

About

Hajime Arai is a scholar working on Neurology, Cellular and Molecular Neuroscience and Surgery. According to data from OpenAlex, Hajime Arai has authored 267 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 127 papers in Neurology, 65 papers in Cellular and Molecular Neuroscience and 49 papers in Surgery. Recurrent topics in Hajime Arai's work include Intracranial Aneurysms: Treatment and Complications (63 papers), Cerebrospinal fluid and hydrocephalus (54 papers) and Vascular Malformations Diagnosis and Treatment (49 papers). Hajime Arai is often cited by papers focused on Intracranial Aneurysms: Treatment and Complications (63 papers), Cerebrospinal fluid and hydrocephalus (54 papers) and Vascular Malformations Diagnosis and Treatment (49 papers). Hajime Arai collaborates with scholars based in Japan, United States and Canada. Hajime Arai's co-authors include Masakazu Miyajima, Hidenori Oishi, Kiyoshi Sato, Madoka Nakajima, Ikuko Ogino, Munetaka Yamamoto, Hiroyuki Hanai, Hidenori Sugano, Kenji Yatomi and Akira Yanai and has published in prestigious journals such as The Journal of Immunology, PLoS ONE and Molecular and Cellular Biology.

In The Last Decade

Hajime Arai

250 papers receiving 5.4k citations

Hit Papers

align trajectories sort by overperformance

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.

Guidelines for Management of Idiopathic Normal Pressure Hydrocephalus: Second Edition

2012 475 citations Etsuro Mori, Takeo Kato et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hajime Arai Japan	36	2.0k	1.6k	970	901	815	267	5.6k
J. Gordon McComb United States	44	1.6k 0.8×	2.1k 1.3×	1.1k 1.1×	1.5k 1.7×	1.2k 1.5×	215	6.5k
Isabelle M. Germano United States	44	1.6k 0.8×	1.2k 0.7×	2.7k 2.7×	656 0.7×	328 0.4×	163	8.0k
Kaoru Kurisu Japan	43	2.6k 1.3×	990 0.6×	1.4k 1.4×	1.7k 1.8×	577 0.7×	474	8.7k
Lijun Yang China	36	915 0.5×	1.0k 0.6×	1.7k 1.7×	1.2k 1.4×	355 0.4×	177	5.7k
Masaya Oda Japan	44	2.4k 1.2×	1.2k 0.8×	1.5k 1.5×	704 0.8×	295 0.4×	267	5.7k
Yasushi Takagi Japan	51	3.0k 1.5×	1.2k 0.8×	3.2k 3.3×	1.6k 1.8×	296 0.4×	442	10.6k
Tiit Mathiesen Sweden	44	3.6k 1.8×	942 0.6×	1.4k 1.4×	1.1k 1.2×	308 0.4×	219	6.8k
J. Marc Simard United States	58	5.7k 2.8×	1.9k 1.2×	3.3k 3.4×	892 1.0×	628 0.8×	249	12.3k
Lars‐Owe Koskinen Sweden	35	2.4k 1.2×	1.3k 0.8×	485 0.5×	570 0.6×	222 0.3×	152	3.8k
Daisuke Ito Japan	41	1.3k 0.7×	1.4k 0.8×	2.8k 2.9×	369 0.4×	180 0.2×	201	7.5k

Countries citing papers authored by Hajime Arai

Since Specialization

Citations

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

Fields of papers citing papers by Hajime Arai

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hajime Arai

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

Hasegawa, Hiroshi, Kenji Yatomi, Nobukazu Miyamoto, et al.. (2020). Pioglitazone Prevents Hemorrhagic Infarction After Transient Focal Ischemia in Type 2 Diabetes. Neuroscience Research. 170. 314–321. 6 indexed citations

Fujii, Takashi, et al.. (2020). Outcome of flow diverter placement for intracranial aneurysm with dual antiplatelet therapy and oral anticoagulant therapy. Interventional Neuroradiology. 26(5). 532–538. 7 indexed citations

Ogino, Ikuko, Yasuo Suga, Kenji Yatomi, et al.. (2019). Histological and Transmission Electron Microscopy Results after Embolization with HydroSoft/HydroFrame Coils in Experimental Swine Aneurysm. BioMed Research International. 2019. 1–9. 1 indexed citations

Oishi, Hidenori, Takashi Fujii, Michimasa Suzuki, et al.. (2019). Usefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter Device. American Journal of Neuroradiology. 40(5). 808–814. 41 indexed citations

Nakajima, Madoka, Nagato Kuriyama, Masakazu Miyajima, et al.. (2019). Background Risk Factors Associated with Shunt Intervention for Possible Idiopathic Normal Pressure Hydrocephalus: A Nationwide Hospital-Based Survey in Japan. Journal of Alzheimer s Disease. 68(2). 735–744. 7 indexed citations

Andica, Christina, Akifumi Hagiwara, Masaaki Hori, et al.. (2019). Review of synthetic MRI in pediatric brains: Basic principle of MR quantification, its features, clinical applications, and limitations. Journal of Neuroradiology. 46(4). 268–275. 37 indexed citations

Kamagata, Koji, Ryo Ueda, M. Nakazawa, et al.. (2019). Ventricular volumetry and free-water corrected diffusion tensor imaging of the anterior thalamic radiation in idiopathic normal pressure hydrocephalus. Journal of Neuroradiology. 47(4). 312–317. 16 indexed citations

Otani, Naoki, Kentaro Mori, Kojiro Wada, et al.. (2019). Limited Indications for Clipping Surgery of Paraclinoid Aneurysm Based on Long-Term Visual Morbidity. World Neurosurgery. 134. e153–e161. 7 indexed citations

Yamaguchi, Takuji, et al.. (2018). Effect of hangekobokuto for amelioration of aggressiveness and social behavior in socially isolated mice. Traditional & Kampo Medicine. 5(2). 75–82. 4 indexed citations

10.

Nakajima, Madoka, Masakazu Miyajima, Ikuko Ogino, et al.. (2018). Shunt Intervention for Possible Idiopathic Normal Pressure Hydrocephalus Improves Patient Outcomes: A Nationwide Hospital-Based Survey in Japan. Frontiers in Neurology. 9. 421–421. 26 indexed citations

11.

Oishi, Hidenori, Munetaka Yamamoto, Kenji Yatomi, et al.. (2015). Differences in tissue proliferation and maturation between Matrix2 and bare platinum coil embolization in experimental swine aneurysms. Journal of Neuroradiology. 43(1). 43–50. 2 indexed citations

12.

Oishi, Hidenori, et al.. (2014). Intercavernous Sinus Dural Arteriovenous Fistula Treated with Transvenous Coil Embolization: A Case Report. Interventional Neurology. 3(1). 9–12.

13.

Tsutsumi, Satoshi, Masanori Ito, Hajime Arai, & Yukimasa Yasumoto. (2014). Malignant peripheral nerve sheath tumor manifesting as severe buttock pain. Turkish Neurosurgery. 25(6). 967–70.

14.

Tsutsumi, Satoshi, Ikuko Ogino, Masakazu Miyajima, et al.. (2013). Genomic causes of multiple cerebral cavernous malformations in a Japanese population. Journal of Clinical Neuroscience. 20(5). 667–669. 14 indexed citations

15.

Yamamoto, Munetaka, et al.. (2013). A case of ischemic optic neuropathy after transarterial embolizations for cavernous sinus dural arteriovenous fistula. Journal of Neuroendovascular Therapy. 7(1). 18–23. 1 indexed citations

16.

Yoshida, Kensaku, et al.. (2011). Large Aneurysm in a Nonbifurcating Cervical Carotid Artery: An Aneurysm Associated With a Rare Anomaly Treated With Radial Artery Graft Bypass: Case Report. Operative Neurosurgery. 68(1 Suppl Operative). ons250–ons253. 5 indexed citations

17.

Miyajima, Masakazu, et al.. (2009). Surgical considerations in fourth ventricular ependymoma with the transcerebellomedullary fissure approach in focus. Child s Nervous System. 25(10). 1221–1228. 21 indexed citations

18.

Oishi, Hidenori & Hajime Arai. (2008). [Endosaccular coil embolization for cerebral aneurysms].. PubMed. 36(9). 755–67. 1 indexed citations

19.

Ito, Kana, et al.. (2000). STEREOTACTIC RADIOSURGERY USING A LINEAR ACCELERATOR FOR THE TREATMENT OF CEREBRAL ARTERIOVENOUS MALFORMATION. 12(3). 221–227. 1 indexed citations

20.

Arai, Hajime, Janet V. Passonneau, & W. David Lust. (1986). Energy metabolism in delayed neuronal death of CA1 neurons of the hippocampus following transient ischemia in the gerbil. Metabolic Brain Disease. 1(4). 263–278. 86 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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