Ken Kozuma

10.2k total citations · 1 hit paper
261 papers, 5.0k citations indexed

About

Ken Kozuma is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Ken Kozuma has authored 261 papers receiving a total of 5.0k indexed citations (citations by other indexed papers that have themselves been cited), including 183 papers in Surgery, 175 papers in Cardiology and Cardiovascular Medicine and 94 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Ken Kozuma's work include Coronary Interventions and Diagnostics (159 papers), Cardiac Imaging and Diagnostics (90 papers) and Cardiac Valve Diseases and Treatments (82 papers). Ken Kozuma is often cited by papers focused on Coronary Interventions and Diagnostics (159 papers), Cardiac Imaging and Diagnostics (90 papers) and Cardiac Valve Diseases and Treatments (82 papers). Ken Kozuma collaborates with scholars based in Japan, Netherlands and United States. Ken Kozuma's co-authors include Patrick W. Serruys, Takeshi Kimura, Marco A. Costa, Takashi Akasaka, Yoshihiro Morino, Yuji Ikari, Kengo Tanabe, Masato Nakamura, Jeffrey J. Popma and Takaaki Isshiki and has published in prestigious journals such as JAMA, Circulation and Journal of the American College of Cardiology.

In The Last Decade

Ken Kozuma

241 papers receiving 4.9k 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.

Sustained Suppression of Neointimal Proliferation by Sirolimus-Eluting Stents

2001 512 citations Ken Kozuma et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ken Kozuma Japan	36	3.8k	3.2k	1.8k	1.4k	337	261	5.0k
Scot Garg United Kingdom	34	4.3k 1.1×	3.9k 1.2×	2.4k 1.4×	1.2k 0.9×	172 0.5×	187	5.7k
Bimmer E. Claessen Netherlands	42	3.8k 1.0×	4.0k 1.3×	2.1k 1.2×	858 0.6×	314 0.9×	183	5.6k
Marie‐Claude Morice France	25	4.3k 1.1×	3.6k 1.1×	1.8k 1.0×	1.6k 1.2×	465 1.4×	82	5.5k
Jürgen Pache Germany	42	6.2k 1.7×	6.0k 1.9×	2.8k 1.6×	1.6k 1.2×	192 0.6×	90	8.0k
Salvatore Cassese Germany	32	3.0k 0.8×	2.5k 0.8×	1.1k 0.6×	1.4k 1.0×	361 1.1×	244	4.2k
Ecaterina Cristea United States	31	4.3k 1.1×	3.1k 1.0×	2.5k 1.4×	1.5k 1.1×	160 0.5×	84	5.3k
Jiro Aoki Japan	37	3.8k 1.0×	3.0k 1.0×	2.0k 1.1×	1.3k 1.0×	139 0.4×	145	5.2k
Joseph P. Carrozza United States	39	4.4k 1.2×	3.9k 1.2×	2.1k 1.2×	1.5k 1.1×	193 0.6×	123	6.1k
Seong‐Wook Park South Korea	38	3.6k 1.0×	3.2k 1.0×	1.9k 1.1×	1.0k 0.7×	161 0.5×	84	4.5k
Francesco Saia Italy	43	4.4k 1.2×	5.0k 1.6×	2.4k 1.3×	1.8k 1.3×	1.1k 3.4×	231	6.9k

Countries citing papers authored by Ken Kozuma

Since Specialization

Citations

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

Fields of papers citing papers by Ken Kozuma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ken Kozuma

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

Ito, Tsuyoshi, Yuichiro Mori, Shun Kohsaka, et al.. (2025). Board-Certified Interventional Cardiologist Involvement and In-Hospital Outcomes　― Insights From the Japanese Nationwide PCI Registry ―. Circulation Journal. 90(3). 317–325.

Nakahashi, Takuya, Mitsuyoshi Takahara, Osamu Iida, et al.. (2025). Cumulative impact of procedural and anatomical factors on in-hospital bleeding complications in endovascular therapy for lower-extremity artery disease: A nationwide registry study in Japan. Vascular Medicine. 30(2). 155–161. 1 indexed citations

Abe, Koichiro, Ken Kozuma, Toshihiko Arizumi, et al.. (2024). Characteristics of Gastrointestinal Bleeding While Taking Direct Oral Anticoagulants in Patients with Nonvalvular Atrial Fibrillation and Differences Among Drugs—A Single-Center Retrospective Cohort Study. Journal of Clinical Medicine. 14(1). 95–95.

Yokoyama, Naoyuki, et al.. (2024). Coagulation, fibrinolysis and platelet drop in patients undergoing transfemoral transcatheter aortic valve implantation. Catheterization and Cardiovascular Interventions. 104(6). 1281–1289. 1 indexed citations

Muramatsu, Takashi, Ken Kozuma, Kengo Tanabe, et al.. (2023). Clinical expert consensus document on drug-coated balloon for coronary artery disease from the Japanese Association of Cardiovascular Intervention and Therapeutics. Cardiovascular Intervention and Therapeutics. 38(2). 166–176. 46 indexed citations

Yamaji, Kyohei, Shun Kohsaka, Hideki Ishii, et al.. (2023). Age‐Stratified Prevalence and Relative Prognostic Significance of Traditional Atherosclerotic Risk Factors: A Report from the Nationwide Registry of Percutaneous Coronary Interventions in Japan. Journal of the American Heart Association. 12(21). e030881–e030881. 4 indexed citations

Kataoka, Akihisa, et al.. (2023). Left ventricular outflow tract obstruction induced by party balloon inflation manoeuvre in transthoracic echocardiography. European Heart Journal - Case Reports. 7(4). ytad156–ytad156.

Nishimoto, Yuji, Taku Inohara, Shun Kohsaka, et al.. (2023). Changing Trends in Mechanical Circulatory Support Use and Outcomes in Patients Undergoing Percutaneous Coronary Interventions for Acute Coronary Syndrome Complicated With Cardiogenic Shock: Insights From a Nationwide Registry in Japan. Journal of the American Heart Association. 12(23). e031838–e031838. 8 indexed citations

Kataoka, Akihisa, et al.. (2023). Body Surface Radiation Exposure in Interventional Echocardiographers during Left Atrial Appendage Closure: Monte Carlo Simulation. Journal of the American Society of Echocardiography. 37(4). 468–469. 1 indexed citations

10.

Hioki, Hirofumi, Yusuke Watanabe, Ken Kozuma, et al.. (2022). Validation of reliability and predictivity of membrane septum length measurements for pacemaker need after transcatheter aortic valve replacement. Catheterization and Cardiovascular Interventions. 100(5). 868–876. 4 indexed citations

11.

Kataoka, Akihisa, Sayaka Katagiri, Hideyuki Kawashima, et al.. (2021). Association between periodontal bacteria and degenerative aortic stenosis: a pilot study. Journal of Periodontal & Implant Science. 51(4). 226–226. 2 indexed citations

12.

Yamazaki, Osamu, M. Yamashita, Jin‐Ping Li, et al.. (2021). A novel I551F variant of the Na⁺/HCO₃⁻ cotransporter NBCe1-A shows reduced cell surface expression, resulting in diminished transport activity. American Journal of Physiology-Renal Physiology. 321(6). F771–F784. 1 indexed citations

13.

Otsuki, S, et al.. (2021). Noncontrast transcatheter pacing system implantation guided by trans–internal jugular vein approach intracardiac echocardiography. HeartRhythm Case Reports. 7(5). 283–285. 4 indexed citations

14.

Yamamoto, Ko, Hiroki Shiomi, Takeshi Morimoto, et al.. (2019). Effect of Renal Dysfunction on the Risks for Ischemic and Bleeding Events in Patients With Atrial Fibrillation Receiving Percutaneous Coronary Intervention. The American Journal of Cardiology. 125(3). 399–408. 3 indexed citations

15.

Hioki, Hirofumi, Yusuke Watanabe, Ken Kozuma, et al.. (2018). Risk stratification using lean body mass in patients undergoing transcatheter aortic valve replacement. Catheterization and Cardiovascular Interventions. 92(7). 1365–1373. 9 indexed citations

16.

Yamamoto, Takatsugu, Koichiro Abe, Shinya Kodashima, et al.. (2018). Difference between the Upper and the Lower Gastrointestinal Bleeding in Patients Taking Nonvitamin K Oral Anticoagulants. BioMed Research International. 2018. 1–5. 22 indexed citations

17.

Kataoka, Akihisa, Yusuke Watanabe, Hirofumi Hioki, et al.. (2016). Efficacy of intraoperative transesophageal echocardiography in a case of protamine shock during transcatheter aortic valve implantation. JA Clinical Reports. 2(1). 29–29. 2 indexed citations

18.

Ikari, Yuji, Masami Sakurada, Ken Kozuma, et al.. (2007). 4 Thrombus Aspiration Prior to Primary Coronary Intervention in Patients with ST Elevation Acute Myocardial Infarction. Results of the VAMPIRE Trial(New Horizon in Coronary Interventions for Acute Coronary Syndrome, The 71st Annual Scientific Meeting of the Japanese Circulation Society). Japanese Circulation Journal-english Edition. 71. 11. 1 indexed citations

19.

Isshiki, Takaaki, et al.. (2006). 2 Distal embolic protection in patients with acute coronary syndrome(Best Strategy for Acute Coronary Syndrome in Japan-The Proposals from the Clinical Forefront,Roundtable Discussion 6 (RT6) (IHD),The 70th Anniversary Annual Scientific Meeting of the Japanese Circulation Society). Japanese Circulation Journal-english Edition. 70. 88–89. 3 indexed citations

20.

Suzuki, Nobuaki, Ken Kozuma, Yutaka Kawamura, et al.. (2006). PE-110 The Elevation of Both Serum Creatinine and CRP Predicts Short- and Long-term Mortality in Patients with ST-elevation Acute Myocardial Infarction(Acute coronary syndrome, basic/clinical-5 (IHD) PE19,Poster Session (English),The 70th Anniversary Annual Scientific Meeting of the Japanese Circulation Society). Japanese Circulation Journal-english Edition. 70. 362–363. 2 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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