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Researcher · Kanagawa Children's Medical Center · Japan

Youkatsu Ohhama

Youkatsu Ohhama publishes mostly in Surgery, Hepatology and Pulmonary and Respiratory Medicine, on topics such as Organ Transplantation Techniques and Outcomes, Liver Disease and Transplantation and Esophageal and GI Pathology.

OpenAlex
World rank
#5,207,972
of 7,710,434 ranked researchers
Rank in Japan
#169,134
of 383,136
Works
27
Citations
683
Citations per work
25.3
h-index
12
i10-index 15Top 38% in Surgery
Youkatsu Ohhama

What does Youkatsu Ohhama research?

Youkatsu Ohhama's work is mostly in Medicine (81%).

Health Sciences: 22 works · 81.1% of their workMedicine: 22 works · 81.1% of their workSurgery: 12 works · 44.3% of their workHepatology: 3 works · 11.4% of their workPulmonary and Respiratory Medicine: 3 works · 11.4% of their workEpidemiology: 1 works · 5.1% of their workGastroenterology: 1 works · 5.1% of their workNeurology: 1 works · 3.8% of their workEverything else: 5 works · 18.9% of their workTHEIR WORKYoukatsu Ohhama27works
Health Sciences81%

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. Medicine2281.1%
  2. Everything else518.9%
  1. 1Surgery44% of their works
  2. 2Hepatology11% of their works
  3. 3Pulmonary and Respiratory Medicine11% of their works
  4. 4Epidemiology5% of their works
  5. 5Gastroenterology5% of their works
  6. 6Neurology4% of their works

Research topics

Which keywords describe Youkatsu Ohhama's research?

The keywords of their largest research topics: Liver Transplantation, Graft Survival, Ischemia-Reperfusion Injury, Endoscopic Stenting, Esophageal Perforation, Hepatic Encephalopathy, Liver Cirrhosis and Alagille Syndrome.

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 17 words, with their numbers
  1. Liver Transplantation142 topics
  2. Graft Survival81 topic
  3. Ischemia-Reperfusion Injury81 topic
  4. Endoscopic Stenting71 topic
  5. Esophageal Perforation71 topic
  6. Hepatic Encephalopathy71 topic
  7. Liver Cirrhosis71 topic
  8. Alagille Syndrome61 topic
  9. Biliary Atresia61 topic
  10. Cholecystitis51 topic
  11. ERCP51 topic
  12. Airway Stenosis41 topic
  13. Esophageal Motility Disorders41 topic
  14. Gastroesophageal Reflux Disease41 topic
  15. Tracheostomy41 topic
  16. Cardiac Surgery21 topic
  17. Congenital Heart Disease21 topic

Where does Youkatsu Ohhama work?

Youkatsu Ohhama's main affiliation in the publication record is Kanagawa Children's Medical Center, Japan.

How many publications and citations does Youkatsu Ohhama have?

OpenAlex counts 27 works and 683 citations for Youkatsu Ohhama, an h-index of 12, ranking #5,207,972 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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