Shoichi Ehara

4.5k total citations · 3 hit papers
98 papers, 3.4k citations indexed

About

Shoichi Ehara is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Shoichi Ehara has authored 98 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Surgery, 51 papers in Cardiology and Cardiovascular Medicine and 50 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Shoichi Ehara's work include Cardiac Imaging and Diagnostics (50 papers), Coronary Interventions and Diagnostics (36 papers) and Cardiovascular Function and Risk Factors (16 papers). Shoichi Ehara is often cited by papers focused on Cardiac Imaging and Diagnostics (50 papers), Coronary Interventions and Diagnostics (36 papers) and Cardiovascular Function and Risk Factors (16 papers). Shoichi Ehara collaborates with scholars based in Japan, United States and Netherlands. Shoichi Ehara's co-authors include Minoru Yoshiyama, Makiko Ueda, Junichi Yoshikawa, Takahiko Naruko, Kazuo Haze, Anton E. Becker, Kazuhide Takeuchi, Ryushi Komatsu, Kenei Shimada and Yoshihiro Ikura and has published in prestigious journals such as Circulation, SHILAP Revista de lepidopterología and Journal of the American College of Cardiology.

In The Last Decade

Shoichi Ehara

94 papers receiving 3.3k 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.

Elevated Levels of Oxidized Low Density Lipoprotein Show a Positive Relationship With the Severity of Acute Coronary Syndromes

2001 631 citations Shoichi Ehara, Makiko Ueda et al. Circulation profile →
Spotty Calcification Typifies the Culprit Plaque in Patients With Acute Myocardial Infarction

2004 532 citations Shoichi Ehara, Yoshiki Kobayashi et al. Circulation profile →
Neutrophil Infiltration of Culprit Lesions in Acute Coronary Syndromes

2002 529 citations Takahiko Naruko, Makiko Ueda et al. Circulation profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Shoichi Ehara Japan	24	1.2k	1.1k	902	866	567	98	3.4k
Takahiko Naruko Japan	32	1.6k 1.3×	1.7k 1.5×	1.4k 1.5×	646 0.7×	667 1.2×	115	4.8k
Hirofumi Soejima Japan	35	948 0.8×	2.0k 1.7×	465 0.5×	487 0.6×	394 0.7×	126	3.9k
Ronnier J. Aviles United States	19	748 0.6×	2.0k 1.8×	679 0.8×	582 0.7×	338 0.6×	27	3.7k
Kazuo Haze Japan	31	1.8k 1.4×	3.0k 2.6×	827 0.9×	1.7k 2.0×	577 1.0×	151	5.0k
Ryushi Komatsu Japan	13	839 0.7×	681 0.6×	798 0.9×	177 0.2×	283 0.5×	34	2.4k
Nick E.J. West United Kingdom	30	2.0k 1.6×	1.6k 1.4×	447 0.5×	1.3k 1.5×	804 1.4×	143	4.1k
Hayes M. Dansky United States	32	1.8k 1.4×	831 0.7×	1.0k 1.1×	314 0.4×	368 0.6×	51	3.9k
Antonino Buffon Italy	29	2.0k 1.6×	2.3k 2.0×	718 0.8×	873 1.0×	448 0.8×	71	3.9k
Christian Besler Germany	35	1.1k 0.9×	2.4k 2.1×	339 0.4×	490 0.6×	423 0.7×	92	4.4k
Toru Miyoshi Japan	37	1.2k 0.9×	2.2k 1.9×	241 0.3×	735 0.8×	464 0.8×	233	4.4k

Countries citing papers authored by Shoichi Ehara

Since Specialization

Citations

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

Fields of papers citing papers by Shoichi Ehara

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Shoichi Ehara

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

Ueda, Daiju, Toshimasa Matsumoto, Shoichi Ehara, et al.. (2023). Artificial intelligence-based model to classify cardiac functions from chest radiographs: a multi-institutional, retrospective model development and validation study. The Lancet Digital Health. 5(8). e525–e533. 36 indexed citations

Shimeno, Kenji, Shinichi Iwata, Yoshiki Matsumura, et al.. (2022). Risk factors of pacing‐induced cardiomyopathy—Insights from lead position. Journal of Arrhythmia. 38(3). 408–415. 3 indexed citations

Yamazaki, Takanori, Hisako Yoshida, Kazuhiro Nakao, et al.. (2021). Angioscopic Ulcerated Plaques in the Femoropopliteal Artery Associated with Impaired Infrapopliteal Runoff. Journal of Vascular and Interventional Radiology. 33(2). 97–103.e1. 1 indexed citations

Shibata, Atsushi, Yasuhiro Izumiya, Yumi Yamaguchi, et al.. (2021). Increased Oxidative Stress During Exercise Predicts Poor Prognosis in Patients with Acute Decompensated Heart Failure. ESC Heart Failure. 8(5). 3885–3893. 8 indexed citations

Izumiya, Yasuhiro, Masashi Shimizu, Tomohiro Yamaguchi, et al.. (2021). Kihon checklist is useful for predicting outcomes in patients undergoing transcatheter aortic valve implantation. Journal of Cardiology. 79(2). 299–305. 6 indexed citations

Nishimura, Satoshi, Shoichi Ehara, Takao Hasegawa, et al.. (2016). Cholesterol crystal as a new feature of coronary vulnerable plaques: An optical coherence tomography study. Journal of Cardiology. 69(1). 253–259. 35 indexed citations

Matsumoto, Kenji, Shoichi Ehara, Takao Hasegawa, et al.. (2015). Prediction of the filter no-reflow phenomenon in patients with angina pectoris by using multimodality: Magnetic resonance imaging, optical coherence tomography, and serum biomarkers. Journal of Cardiology. 67(5). 430–436. 12 indexed citations

Ehara, Shoichi, Kenji Matsumoto, Takao Hasegawa, et al.. (2015). Characteristic patterns of the longitudinal and circumferential distribution of calcium deposits by parent coronary arteries observed from computed tomography angiography. Heart and Vessels. 31(4). 508–518. 6 indexed citations

Hasegawa, Takao, Kenichiro Otsuka, Kenji Matsumoto, et al.. (2013). Serum n-3 to n-6 polyunsaturated fatty acids ratio correlates with coronary plaque vulnerability: an optical coherence tomography study. Heart and Vessels. 29(5). 596–602. 21 indexed citations

10.

Iguchi, Takashi, Tsuyoshi Hasegawa, Kenichiro Otsuka, et al.. (2013). Insulin resistance is associated with coronary plaque vulnerability: insight from optical coherence tomography analysis. European Heart Journal - Cardiovascular Imaging. 15(3). 284–291. 60 indexed citations

11.

Ishii, Hideshi, Toru Kataoka, Yoshiki Kobayashi, et al.. (2011). Utility of myocardial fractional flow reserve for prediction of restenosis following sirolimus-eluting stent implantation. Heart and Vessels. 26(6). 572–581. 16 indexed citations

12.

Hasegawa, Takao, Satoshi Nishimura, Shinji Nakata, et al.. (2011). Optical coherence tomography images of bell-shaped appearance in late sirolimus-eluting stent restenosis with extension of previous incomplete stent apposition. Journal of Cardiology Cases. 4(3). e152–e155.

13.

Ehara, Shoichi & Minoru Yoshiyama. (2010). [Quantitative analyses of coronary artery calcification by using clinical cardiovascular imaging].. PubMed. 20(11). 1686–92. 1 indexed citations

14.

Takeshita, Hiroaki, et al.. (2009). 圧力ワイヤ,冠動脈造影,およびIVUSパラメータを用いたシロリムス溶出ステント再狭窄の予測物. Circulation. 73. 681. 2 indexed citations

15.

Sugioka, Kenichi, Takahiko Naruko, Takeshi Hozumi, et al.. (2009). Elevated levels of neopterin are associated with carotid plaques with complex morphology in patients with stable angina pectoris. Atherosclerosis. 208(2). 524–530. 39 indexed citations

16.

Ehara, Shoichi, Nobuyuki Shirai, Kenichi Sugioka, et al.. (2008). Usefulness of three-dimensional automated quantification of left ventricular mass, volume, and function by 64-slice computed tomography. Journal of Cardiology. 52(3). 276–284. 8 indexed citations

17.

Ikura, Yoshihiro, Norimitsu Shirai, Yoshimi Sugama, et al.. (2005). Expression of angiotensin II type 1 receptor in human cirrhotic livers: Its relation to fibrosis and portal hypertension. Hepatology Research. 32(2). 107–116. 34 indexed citations

18.

Ueda, Makiko, Shoichi Ehara, Yoshiki Kobayashi, et al.. (2004). Plaque instability in human coronary atherosclerotic lesions: roles of oxidized LDL and neutrophils. International Congress Series. 1262. 75–78. 2 indexed citations

19.

Shirai, Nobuyuki, Makiko Ueda, Eishu Hai, et al.. (2003). Coronary Intimal Lesions in Patients with Kawasaki Disease Can Become Atherosclerotic Plaques Which May Cause Plaque Instability. Japanese Circulation Journal-english Edition. 67. 116. 4 indexed citations

20.

Komatsu, Ryushi, Takahiko Naruko, Yukio Abe, et al.. (2002). Positive correlation between oxidized low-density lipoprotein levels and the extent of coronary artery disease in patients with stable angina pectoris. Japanese Circulation Journal-english Edition. 66. 127. 1 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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