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Researcher · Saitama Prefecture · Japan

Takashi Hachiya

Takashi Hachiya publishes mostly in Pulmonary and Respiratory Medicine, Surgery and Cardiology and Cardiovascular Medicine, on topics such as Aortic Disease and Treatment Approaches, Aortic aneurysm repair treatments and Cardiac Valve Diseases and Treatments.

OpenAlex
World rank
#7,650,032
of 7,710,434 ranked researchers
Rank in Japan
#376,246
of 383,136
Works
90
Citations
462
Citations per work
5.1
h-index
12
i10-index 16Top 42% in Pulmonary and Respiratory Medicine
Takashi Hachiya

What does Takashi Hachiya research?

Takashi Hachiya's work is mostly in Medicine (82%), Engineering (2%).

Health Sciences: 74 works · 82.0% of their workMedicine: 74 works · 82.0% of their workPulmonary and Respiratory Medicine: 29 works · 32.4% of their workSurgery: 23 works · 25.8% of their workCardiology and Cardiovascular Medicine: 15 works · 17.2% of their workEpidemiology: 4 works · 4.1% of their workEndocrinology, Diabetes and Metabolism: 2 works · 2.5% of their workEverything else: 14 works · 16.0% of their workPhysical Sciences: 2 works · 2.0% of their workEngineering: 2 works · 2.0% of their workBiomedical Engineering: 2 works · 2.0% of their workTHEIR WORKTakashi Hachiya90works
Physical Sciences2%Health Sciences82%

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. Medicine7482.0%
  2. Everything else1416.0%
    1. Engineering22.0%
  1. 1Pulmonary and Respiratory Medicine32% of their works
  2. 2Surgery26% of their works
  3. 3Cardiology and Cardiovascular Medicine17% of their works
  4. 4Epidemiology4% of their works
  5. 5Endocrinology, Diabetes and Metabolism2% of their works
  6. 6Biomedical Engineering2% of their works

Research topics

Which keywords describe Takashi Hachiya's research?

The keywords of their largest research topics: Endovascular Repair, Echocardiography, Aortic Dissection, Bicuspid Aortic Valve, Aneurysm Rupture, Aneurysm Screening, Surgical Aortic-Valve Replacement and Transcatheter Aortic-Valve Replacement.

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 18 words, with their numbers
  1. Endovascular Repair653 topics
  2. Echocardiography372 topics
  3. Aortic Dissection311 topic
  4. Bicuspid Aortic Valve311 topic
  5. Aneurysm Rupture261 topic
  6. Aneurysm Screening261 topic
  7. Surgical Aortic-Valve Replacement151 topic
  8. Transcatheter Aortic-Valve Replacement151 topic
  9. Aortic Aneurysms81 topic
  10. Cardiopulmonary Bypass81 topic
  11. Coronary Artery Bypass Surgery81 topic
  12. Myocardial Infarction81 topic
  13. Vascular Graft Infections81 topic
  14. Ventricular Reconstruction81 topic
  15. Cardiac Risk61 topic
  16. Cardiac Tumors61 topic
  17. PRKAR1A Gene Mutations61 topic
  18. Perioperative61 topic

Where does Takashi Hachiya work?

Takashi Hachiya's main affiliation in the publication record is Saitama Prefecture, Japan.

How many publications and citations does Takashi Hachiya have?

OpenAlex counts 90 works and 462 citations for Takashi Hachiya, an h-index of 12, ranking #7,650,032 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.

Other researchers named Takashi Hachiya

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