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Researcher · Iwate Prefectural Central Hospital · Japan

Masahiro Usuda

Masahiro Usuda publishes mostly in Surgery, Pulmonary and Respiratory Medicine and Hepatology, on topics such as Organ Transplantation Techniques and Outcomes, Liver Disease and Transplantation and Gastrointestinal disorders and treatments.

OpenAlex
World rank
#5,612,902
of 7,710,434 ranked researchers
Rank in Japan
#195,088
of 383,136
Works
50
Citations
690
Citations per work
13.8
h-index
12
i10-index 14Top 38% in Surgery
Masahiro Usuda

What does Masahiro Usuda research?

Masahiro Usuda's work is mostly in Medicine (77%).

Health Sciences: 38 works · 76.7% of their workMedicine: 38 works · 76.7% of their workSurgery: 21 works · 41.5% of their workPulmonary and Respiratory Medicine: 6 works · 11.3% of their workHepatology: 5 works · 10.6% of their workOncology: 4 works · 7.0% of their workEpidemiology: 2 works · 3.5% of their workPathology and Forensic Medicine: 1 works · 2.8% of their workEverything else: 12 works · 23.3% of their workTHEIR WORKMasahiro Usuda50works
Health Sciences77%

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. Medicine3876.7%
  2. Everything else1223.3%
  1. 1Surgery42% of their works
  2. 2Pulmonary and Respiratory Medicine11% of their works
  3. 3Hepatology11% of their works
  4. 4Oncology7% of their works
  5. 5Epidemiology4% of their works
  6. 6Pathology and Forensic Medicine3% of their works

Research topics

Which keywords describe Masahiro Usuda's research?

The keywords of their largest research topics: Ischemia-Reperfusion Injury, Liver Transplantation, Hepatic Encephalopathy, Liver Cirrhosis, Epidemiology, Treatment, Intussusception and Meckel's Diverticulum.

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. Ischemia-Reperfusion Injury151 topic
  2. Liver Transplantation151 topic
  3. Hepatic Encephalopathy111 topic
  4. Liver Cirrhosis111 topic
  5. Epidemiology102 topics
  6. Treatment102 topics
  7. Intussusception61 topic
  8. Meckel's Diverticulum61 topic
  9. Rejection61 topic
  10. Transplantation61 topic
  11. Endoscopic Stenting51 topic
  12. Esophageal Perforation51 topic
  13. Colonic Diverticulitis41 topic
  14. Diverticulitis41 topic
  15. NAFLD31 topic
  16. NASH31 topic
  17. Aqueous Zinc-Ion Batteries21 topic
  18. Energy Storage21 topic

Where does Masahiro Usuda work?

Masahiro Usuda's main affiliation in the publication record is Iwate Prefectural Central Hospital, Japan.

How many publications and citations does Masahiro Usuda have?

OpenAlex counts 50 works and 690 citations for Masahiro Usuda, an h-index of 12, ranking #5,612,902 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.

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