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Researcher · Gunma Prefectural Cardiovascular Center · Japan

Hiroki Okaniwa

Hiroki Okaniwa publishes mostly in Cardiology and Cardiovascular Medicine, Surgery and Radiology, Nuclear Medicine and Imaging, on topics such as Cardiovascular Function and Risk Factors, Cardiac pacing and defibrillation studies and Cardiac Arrhythmias and Treatments.

OpenAlex
World rank
#5,306,851
of 7,710,434 ranked researchers
Rank in Japan
#175,056
of 383,136
Works
20
Citations
117
Citations per work
5.9
h-index
7
i10-index 3Top 72% in Cardiology and Cardiovascular Medicine
Hiroki Okaniwa

What does Hiroki Okaniwa research?

Hiroki Okaniwa's work is mostly in Medicine (90%), Economics, Econometrics and Finance (2%).

Health Sciences: 18 works · 89.6% of their workMedicine: 18 works · 89.6% of their workCardiology and Cardiovascular Medicine: 12 works · 62.5% of their workSurgery: 2 works · 10.4% of their workRadiology, Nuclear Medicine and Imaging: 2 works · 8.3% of their workPulmonary and Respiratory Medicine: 1 works · 6.3% of their workInfectious Diseases: 0 works · 2.1% of their workEverything else: 2 works · 8.3% of their workSocial Sciences: 0 works · 2.1% of their workEconomics, Econometrics and Finance: 0 works · 2.1% of their workEconomics and Econometrics: 0 works · 2.1% of their workTHEIR WORKHiroki Okaniwa20works
Health Sciences90%Social Sciences2%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine1889.6%
  2. Everything else28.3%
    1. Economics, Econometrics and Finance02.1%
  1. 1Cardiology and Cardiovascular Medicine62% of their works
  2. 2Surgery10% of their works
  3. 3Radiology, Nuclear Medicine and Imaging8% of their works
  4. 4Pulmonary and Respiratory Medicine6% of their works
  5. 5Infectious Diseases2% of their works
  6. 6Economics and Econometrics2% of their works

Research topics

Which keywords describe Hiroki Okaniwa's research?

The keywords of their largest research topics: Echocardiography, Heart Failure, Chamber Quantification, Diastolic Function, Cardiac Resynchronization Therapy, Catheter Ablation, Implantable Cardioverter-Defibrillator and Guidelines.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 21 words, with their numbers
  1. Echocardiography132 topics
  2. Heart Failure132 topics
  3. Chamber Quantification71 topic
  4. Diastolic Function71 topic
  5. Cardiac Resynchronization Therapy61 topic
  6. Catheter Ablation62 topics
  7. Implantable Cardioverter-Defibrillator61 topic
  8. Guidelines52 topics
  9. Myocardial Infarction52 topics
  10. Arrhythmias41 topic
  11. Ventricular Tachycardia41 topic
  12. Cardiac Imaging31 topic
  13. Cardiac Risk31 topic
  14. Coronary Artery Disease31 topic
  15. Perioperative31 topic
  16. Anticoagulant Therapy21 topic
  17. Atrial Fibrillation21 topic
  18. Surgical Aortic-Valve Replacement21 topic
  19. Surgical Repair21 topic
  20. Transcatheter Aortic-Valve Replacement21 topic
  21. Ventricular Reconstruction21 topic

Where does Hiroki Okaniwa work?

Hiroki Okaniwa's main affiliation in the publication record is Gunma Prefectural Cardiovascular Center, Japan.

How many publications and citations does Hiroki Okaniwa have?

OpenAlex counts 20 works and 117 citations for Hiroki Okaniwa, an h-index of 7, ranking #5,306,851 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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