Koji Shimonaga

651 total citations
34 papers, 474 citations indexed

About

Koji Shimonaga is a scholar working on Neurology, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Koji Shimonaga has authored 34 papers receiving a total of 474 indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Neurology, 18 papers in Pulmonary and Respiratory Medicine and 9 papers in Epidemiology. Recurrent topics in Koji Shimonaga's work include Intracranial Aneurysms: Treatment and Complications (23 papers), Cerebrovascular and Carotid Artery Diseases (18 papers) and Traumatic Brain Injury and Neurovascular Disturbances (9 papers). Koji Shimonaga is often cited by papers focused on Intracranial Aneurysms: Treatment and Complications (23 papers), Cerebrovascular and Carotid Artery Diseases (18 papers) and Traumatic Brain Injury and Neurovascular Disturbances (9 papers). Koji Shimonaga collaborates with scholars based in Japan and United States. Koji Shimonaga's co-authors include Toshinori Matsushige, Shigeyuki Sakamoto, Kaoru Kurisu, Chiaki Ono, Masahiro Hosogai, Daizo Ishii, Mayumi Kaneko, Tatsuya Mizoue, Seiji Hama and Hiroki Takahashi and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Stroke.

In The Last Decade

Koji Shimonaga

32 papers receiving 471 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Koji Shimonaga Japan 12 334 282 133 78 42 34 474
Nobuhiko Miyazawa Japan 14 259 0.8× 166 0.6× 85 0.6× 116 1.5× 23 0.5× 30 442
Kwong‐Yau Chan China 12 359 1.1× 181 0.6× 58 0.4× 95 1.2× 11 0.3× 37 505
F. Buffon France 8 413 1.2× 159 0.6× 189 1.4× 70 0.9× 15 0.4× 11 538
Iwao Akiyama Japan 10 231 0.7× 173 0.6× 165 1.2× 52 0.7× 17 0.4× 17 453
Shin Tsuruoka Japan 11 331 1.0× 132 0.5× 310 2.3× 46 0.6× 15 0.4× 26 521
Massimo Gamba Italy 11 210 0.6× 111 0.4× 21 0.2× 140 1.8× 12 0.3× 24 369
Karina Knudsen Germany 12 340 1.0× 134 0.5× 22 0.2× 185 2.4× 29 0.7× 13 551
K Uemura Japan 7 256 0.8× 178 0.6× 56 0.4× 195 2.5× 16 0.4× 15 498
Kévin Janot France 10 222 0.7× 176 0.6× 37 0.3× 108 1.4× 22 0.5× 46 344
Anne Chan Hong Kong 11 154 0.5× 135 0.5× 22 0.2× 154 2.0× 24 0.6× 16 396

Countries citing papers authored by Koji Shimonaga

Since Specialization
Citations

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

Fields of papers citing papers by Koji Shimonaga

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koji Shimonaga

This figure shows the co-authorship network connecting the top 25 collaborators of Koji Shimonaga. A scholar is included among the top collaborators of Koji Shimonaga 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 Koji Shimonaga. Koji Shimonaga 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.
Ikedo, Taichi, Koji Shimonaga, Akihiro Niwa, et al.. (2024). Irreversible postoperative cognitive impairment after unruptured intracranial aneurysm treatment in the elderly. Acta Neurochirurgica. 166(1). 30–30.
2.
Imamura, Hirotoshi, Saya Ozaki, Akihiro Niwa, et al.. (2024). One-Stage Combined Open and Endovascular Treatment Using a Hybrid Operating Room is Safe and Effective for Distal Middle Cerebral Artery Aneurysms. World Neurosurgery. 187. e731–e739. 3 indexed citations
3.
Ikedo, Taichi, Yoshiaki Kitazawa, Akihiro Niwa, et al.. (2023). Impact of Morphological Factors on the Future Growth of Unruptured Posterior Communicating Artery Aneurysms. World Neurosurgery. 175. e897–e903. 3 indexed citations
4.
Mori, Hisae, Etsuko Hattori, Taichi Ikedo, et al.. (2023). Radiation-Induced Changes Associated with Obliteration of Brain AVMs after Repeat Radiosurgery. American Journal of Neuroradiology. 44(2). 143–149. 2 indexed citations
5.
Shimizu, Hiroaki, Takahiro Ono, Masaaki Hokari, et al.. (2023). Current Treatment Results of Intracranial Carotid Artery Dissection Causing Cerebral Ischemia: A Japanese Nationwide Survey. Neurologia medico-chirurgica. 63(2). 80–89. 2 indexed citations
6.
Shimonaga, Koji, et al.. (2022). Association of Neutrophil Extracellular Traps with Plaque Instability in Patient with Carotid Artery Stenosis. Annals of Vascular Surgery. 85. 284–291. 3 indexed citations
7.
8.
Matsushige, Toshinori, et al.. (2021). Monitoring Intramural Hematoma on Vessel Wall Imaging to Evaluate the Healing of Intracranial Vertebral Artery Dissection. Journal of Stroke and Cerebrovascular Diseases. 30(9). 105992–105992. 9 indexed citations
9.
Hama, Seiji, Koji Shimonaga, Akira Furui, et al.. (2020). Relationships between motor and cognitive functions and subsequent post-stroke mood disorders revealed by machine learning analysis. Scientific Reports. 10(1). 14 indexed citations
10.
Shimonaga, Koji, Toshinori Matsushige, Hiroki Takahashi, et al.. (2020). Early venous filling after reperfusion therapy in acute ischemic stroke. Journal of Stroke and Cerebrovascular Diseases. 29(8). 104926–104926. 9 indexed citations
11.
Atsumori, Hirokazu, Akiko Obata, Tsukasa Funane, et al.. (2020). Lesions in the right Rolandic operculum are associated with self-rating affective and apathetic depressive symptoms for post-stroke patients. Scientific Reports. 10(1). 20264–20264. 40 indexed citations
12.
Shimonaga, Koji, Toshinori Matsushige, Shigeyuki Sakamoto, et al.. (2019). Blood Flow Pattern Analysis for Carotid Plaque Evaluation. Journal of Stroke and Cerebrovascular Diseases. 29(2). 104539–104539. 5 indexed citations
13.
Matsushige, Toshinori, Koji Shimonaga, Tatsuya Mizoue, et al.. (2019). Focal Aneurysm Wall Enhancement on Magnetic Resonance Imaging Indicates Intraluminal Thrombus and the Rupture Point. World Neurosurgery. 127. e578–e584. 42 indexed citations
14.
Ishii, Daizo, Toshinori Matsushige, Shigeyuki Sakamoto, et al.. (2019). Decreased Antiatherogenic Protein Levels are Associated with Aneurysm Structure Alterations in MR Vessel Wall Imaging. Journal of Stroke and Cerebrovascular Diseases. 28(8). 2221–2227. 11 indexed citations
15.
Matsushige, Toshinori, Koji Shimonaga, Daizo Ishii, et al.. (2019). Vessel Wall Imaging of Evolving Unruptured Intracranial Aneurysms. Stroke. 50(7). 1891–1894. 50 indexed citations
16.
Shimonaga, Koji, Toshinori Matsushige, Masahiro Hosogai, et al.. (2019). Hyperperfusion after Endovascular Reperfusion Therapy for Acute Ischemic Stroke. Journal of Stroke and Cerebrovascular Diseases. 28(5). 1212–1218. 29 indexed citations
17.
Matsushige, Toshinori, Koji Shimonaga, Masahiro Hosogai, et al.. (2019). Vessel Wall Imaging Predicts the Presence of Atherosclerotic Lesions in Unruptured Intracranial Aneurysms. World Neurosurgery. 132. e775–e782. 19 indexed citations
18.
Nakahara, Toshinori, Takafumi Mitsuhara, Koji Shimonaga, et al.. (2019). Transient Cerebral Vasospasm After Carotid Artery Stenting: A Case Report and Literature Review. World Neurosurgery. 135. 107–111. 7 indexed citations
19.
Matsushige, Toshinori, Shigeyuki Sakamoto, Daizo Ishii, et al.. (2018). Safety and efficacy of a new outreach distal access catheter, TACTICS, for coil embolization of unruptured intracranial aneurysms. Interventional Neuroradiology. 24(5). 482–488. 19 indexed citations
20.
Sakamoto, Shigeyuki, Yoshihiro Kiura, Takahito Okazaki, et al.. (2014). Usefulness of dual protection combined with blood aspiration for distal embolic protection during carotid artery stenting. Acta Neurochirurgica. 157(3). 371–377. 13 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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