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Researcher · Okayama University · Japan

Ryoko Umebayashi

Ryoko Umebayashi publishes mostly in Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine and Nephrology, on topics such as Aortic aneurysm repair treatments, Cardiac, Anesthesia and Surgical Outcomes and Chronic Kidney Disease and Diabetes.

OpenAlex
World rank
#4,280,961
of 7,710,434 ranked researchers
Rank in Japan
#119,913
of 383,136
Works
57
Citations
441
Citations per work
7.7
h-index
11
i10-index 14Top 46% in Pulmonary and Respiratory Medicine
Ryoko Umebayashi

What does Ryoko Umebayashi research?

Ryoko Umebayashi's work is mostly in Medicine (69%).

Health Sciences: 39 works · 69.2% of their workMedicine: 39 works · 69.2% of their workPulmonary and Respiratory Medicine: 12 works · 21.2% of their workCardiology and Cardiovascular Medicine: 9 works · 15.1% of their workNephrology: 8 works · 14.4% of their workSurgery: 5 works · 8.9% of their workEndocrinology, Diabetes and Metabolism: 4 works · 6.2% of their workPublic Health, Environmental and Occupational Health: 2 works · 3.4% of their workEverything else: 18 works · 30.8% of their workTHEIR WORKRyoko Umebayashi57works
Health Sciences69%

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. Medicine3969.2%
  2. Everything else1830.8%
  1. 1Pulmonary and Respiratory Medicine21% of their works
  2. 2Cardiology and Cardiovascular Medicine15% of their works
  3. 3Nephrology14% of their works
  4. 4Surgery9% of their works
  5. 5Endocrinology, Diabetes and Metabolism6% of their works
  6. 6Public Health, Environmental and Occupational Health3% of their works

Research topics

Which keywords describe Ryoko Umebayashi's research?

The keywords of their largest research topics: Endovascular Repair, Aneurysm Rupture, Aneurysm Screening, Mortality, Cardiovascular Disease, Chronic Kidney Disease, Cardiac Risk and Perioperative.

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 20 words, with their numbers
  1. Endovascular Repair232 topics
  2. Aneurysm Rupture191 topic
  3. Aneurysm Screening191 topic
  4. Mortality142 topics
  5. Cardiovascular Disease132 topics
  6. Chronic Kidney Disease132 topics
  7. Cardiac Risk81 topic
  8. Perioperative81 topic
  9. Diabetic Nephropathy71 topic
  10. Glomerular Filtration Rate71 topic
  11. Dialysis61 topic
  12. Glomerular Diseases61 topic
  13. Inflammation61 topic
  14. Nephrotic Syndrome61 topic
  15. Aortic Dissection41 topic
  16. Aspirin41 topic
  17. Bicuspid Aortic Valve41 topic
  18. Clopidogrel41 topic
  19. Fibromuscular Dysplasia41 topic
  20. Renal Artery Stenosis41 topic

Where does Ryoko Umebayashi work?

Ryoko Umebayashi's main affiliation in the publication record is Okayama University, Japan.

How many publications and citations does Ryoko Umebayashi have?

OpenAlex counts 57 works and 441 citations for Ryoko Umebayashi, an h-index of 11, ranking #4,280,961 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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