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Researcher · Kobe City Medical Center General Hospital · Japan

Tadaaki Koyama

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

ORCID 0000-0003-3436-2299 OpenAlex
World rank
#889,257
of 1,633,909 ranked researchers
Rank in Japan
#45,388
of 114,622
Works
39
Citations
43
Citations per work
1.1

What does Tadaaki Koyama research?

Pulmonary and Respiratory Medicine: 35.3%Cardiology and Cardiovascular Medicine: 29.4%Surgery: 11.8%Epidemiology: 7.8%other fields: 15.7%35%top field
Pulmonary and Respiratory Medicine35.3%Cardiology and Cardiovascular Medicine29.4%Surgery11.8%Epidemiology7.8%other fields15.7%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Pulmonary and Respiratory Medicine35% of their works
  2. 2Cardiology and Cardiovascular Medicine29% of their works
  3. 3Surgery12% of their works
  4. 4Epidemiology8% of their works
  5. 5Radiology, Nuclear Medicine and Imaging4% of their works
  6. 6Ophthalmology4% of their works

Research topics

Which keywords describe Tadaaki Koyama's research?

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

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.

All 19 words, with their numbers
  1. Endovascular Repair122 topics
  2. Echocardiography102 topics
  3. Surgical Aortic-Valve Replacement81 topic
  4. Transcatheter Aortic-Valve Replacement81 topic
  5. Aortic Dissection71 topic
  6. Bicuspid Aortic Valve71 topic
  7. Aneurysm Rupture51 topic
  8. Aneurysm Screening51 topic
  9. Chamber Quantification31 topic
  10. Diastolic Function31 topic
  11. Anesthesia22 topics
  12. Cancer of Unknown Primary21 topic
  13. Cardiopulmonary Bypass21 topic
  14. Coronary Artery Bypass Surgery21 topic
  15. Metastasis21 topic
  16. Brain Development11 topic
  17. Dexmedetomidine11 topic
  18. Neurotoxicity11 topic
  19. Sedation11 topic

Where does Tadaaki Koyama work?

Tadaaki Koyama's main affiliation in the publication record is Kobe City Medical Center General Hospital, Japan.

How many publications and citations does Tadaaki Koyama have?

Science Explorer counts 39 works and 43 citations for Tadaaki Koyama, ranking #889,257 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised 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 are in the interactive view on the map. Is this your page? Request a correction or removal.