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Hospital / health system · Osaka · Japan

Osaka City General Hospital

In research, Osaka City General Hospital stands highest in Medicine (#3,969 of 10,443 worldwide), Health Sciences (#5,447 of 11,982 worldwide) and Surgery (#1,641 of 1,816 worldwide), 2022–2025. Relative to its size it is most specialised in Cardiology and Cardiovascular Medicine, Surgery and Pulmonary and Respiratory Medicine — Cardiology and Cardiovascular Medicine is 9.6× its share of world research.

osakacity-hp.or.jp/ocgh/enROR OpenAlex
World rank, 2022–2025
#14,832
of 28,054 · #16,665 all time
Rank in Japan
#396
of 1,070
Research works
2.6k
▲ 39% vs 2013–17
Citations
34k
13.0 per fractional work
Top-10% rate
6.9%
record average 16.5%
Open access
48%
world 28%

What is Osaka City General Hospital known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #3,969 of 10,443 6.9%377 #4231
Health SciencesDomain #5,447 of 11,982 6.9%385 #5663
SurgerySubfield #1,641 of 1,816 4.0%71 #2313

Each strip is that field’s whole ranked pool, with the notch where Osaka City General Hospital sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#4,231 #3,969
  2. Health Sciences#5,663 #5,447
  3. Surgery#2,313 #1,641
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Osaka City General Hospital specialise in?

Where its research is concentrated relative to its size: Cardiology and Cardiovascular Medicine takes 9.6× the share of its output that it takes of world research.

  1. Cardiology and Cardiovascular MedicineSubfield · 44.5 works9.6×
  2. SurgerySubfield · 70.7 works6.8×
  3. Pulmonary and Respiratory MedicineSubfield · 44.8 works6.6×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.02× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.12× its world share, 26 worksBiochemistry, Geneti…Immunology and Microbiology: 1.28× its world share, 6 worksImmunology and Micro…Neuroscience: 0.82× its world share, 6 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.59× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.01× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.01× its world share, 0 worksEarth and Planetary …Engineering: 0.12× its world share, 8 worksEngineeringEnvironmental Science: 0.02× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials ScienceMathematics: 0.04× its world share, 0 worksMathematicsPhysics and Astronomy: 0.05× its world share, 0 worksPhysics and AstronomyDentistry: 0.72× its world share, 2 worksDentistryHealth Professions: 0.35× its world share, 4 worksHealth ProfessionsMedicine: 4.45× its world share, 377 worksMedicineNursing: 1.01× its world share, 2 worksNursingVeterinary: 0.19× its world share, 0 worksVeterinaryArts and Humanities: 0.04× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.08× its world share, 1 worksEconomics, Econometr…Psychology: 0.25× its world share, 3 worksPsychologySocial Sciences: 0.02× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.5×. Every wedge is a field page.

Who are the top researchers at Osaka City General Hospital?

Ranked on the composite score, Hiroyuki Fujisaki, Yusuke Iwasaki and Hirohito Tada lead among researchers whose main affiliation is Osaka City General Hospital.

  1. 1 Hiroyuki Fujisaki Japan · #178,994 worldwide 96 citations · 30 works
  2. 2 Yusuke Iwasaki Japan · #331,663 worldwide 124 citations · 50 works
  3. 3 Hirohito Tada Japan · #338,199 worldwide 62 citations · 22 works
  4. 4 Osamu Yamazaki Japan · #374,883 worldwide 293 citations · 91 works
  5. 5 Masaki Komiyama Japan · #379,742 worldwide 76 citations · 45 works
  6. 6 Kiyohide Kioka Japan · #381,054 worldwide 52 citations · 32 works
  7. 7 Masaki Yoshimura Japan · #385,096 worldwide 19 citations · 32 works
  8. 8 Misao Nishikawa Japan · #465,090 worldwide 41 citations · 23 works
  9. 9 Takeshi Inoue Japan · #503,320 worldwide 101 citations · 72 works
  10. 10 Tohru Yorifuji Japan · #529,365 worldwide 73 citations · 37 works
All ranked researchers at Osaka City General Hospital

Which keywords describe research at Osaka City General Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Chemotherapy, Epidemiology, Inflammation, Clinical Practice Guidelines, Heart Failure, Diagnosis, Treatment and Prognostic Factors.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology45▲ 2.6×89 topics
  2. Inflammation34▲ 3.7×54 topics
  3. Chemotherapy31▲ 10×21 topics
  4. Treatment27▲ 5.0×31 topics
  5. Diagnosis25▲ 6.2×29 topics
  6. Clinical Practice Guidelines24▲ 9.9×13 topics
  7. Heart Failure24▲ 12×13 topics
  8. Prognostic Factors20▲ 10×14 topics
  9. Echocardiography18▲ 15×8 topics
  10. Immunotherapy17▲ 5.3×17 topics
  11. Guidelines16▲ 7.6×12 topics
  12. Complications15▲ 6.9×16 topics
  13. Surgical Management15▲ 8.4×18 topics
  14. Surgery15▲ 9.7×9 topics
  15. Cancer14▲ 2.4×29 topics
  16. Genetic Mutations14▲ 7.4×22 topics
  17. Management14▲ 4.0×23 topics
  18. Cardiovascular Disease13▲ 2.7×23 topics
  19. Catheter Ablation13▲ 25×2 topics
  20. Neoadjuvant Therapy13▲ 13×5 topics
  21. Prognosis13▲ 8.7×9 topics
  22. Survival Analysis12▲ 10×6 topics
  23. Cardiovascular Risk12▲ 8.8×9 topics
  24. Endoscopic Resection12▲ 26×2 topics
  25. Molecular Characterization11▲ 15×5 topics
  26. Tumor Microenvironment11▲ 5.6×7 topics
  27. Adjuvant Therapy11▲ 19×2 topics
  28. Gastric Cancer11▲ 21×3 topics
  29. Radiofrequency Ablation10▲ 22×2 topics
  30. Radiotherapy9▲ 5.3×10 topics
  31. Thrombosis9▲ 7.1×6 topics
  32. Preoperative Chemoradiotherapy9▲ 25×2 topics
  33. Myocardial Infarction9▲ 8.4×7 topics
  34. Neoadjuvant Chemotherapy8▲ 23×2 topics
  35. Lymph Node Dissection8▲ 32×1 topic
  36. Metastatic Gastric Cancer8▲ 32×1 topic
  37. Stroke Prevention8▲ 16×2 topics
  38. Arrhythmias8▲ 20×2 topics
  39. Tumor Markers8▲ 22×2 topics
  40. Sudden Cardiac Death8▲ 21×2 topics

Which research topics does Osaka City General Hospital publish most on?

By volume in 2022–2025: Gastric Cancer Management and Outcomes, Atrial Fibrillation Management and Outcomes, Cardiac Arrhythmias and Treatments and Nutrition and Health in Aging.

Gastric Cancer Managemen…8Gastric Cancer Management and Outcomes: 8 fractional worksAtrial Fibrillation Mana…7Atrial Fibrillation Management and Outcomes: 7 fractional worksCardiac Arrhythmias and Treatments: 6 fractional worksNutrition and Health in …6Nutrition and Health in Aging: 6 fractional worksCardiac pacing and defib…6Cardiac pacing and defibrillation studies: 6 fractional worksColorectal Cancer Surgical Treatments: 6 fractional worksCardiovascular Function and Risk Factors: 5 fractional worksEsophageal and GI Pathol…5Esophageal and GI Pathology: 5 fractional worksCongenital Heart Disease Studies: 4 fractional worksCardiac Valve Diseases and Treatments: 4 fractional works
Pulmonary and Respiratory MedicineCardiology and Cardiovascular MedicinePhysiologyOncology2 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 8 works
  2. 2 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 7 works
  3. 3 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 6 works
  4. 4 Nutrition and Health in Aging Physiology 6 works
  5. 5 Cardiac pacing and defibrillation studies Cardiology and Cardiovascular Medicine 6 works
  6. 6 Colorectal Cancer Surgical Treatments Oncology 6 works
  7. 7 Cardiovascular Function and Risk Factors Cardiology and Cardiovascular Medicine 5 works
  8. 8 Esophageal and GI Pathology Surgery 5 works
  9. 9 Congenital Heart Disease Studies Epidemiology 4 works
  10. 10 Cardiac Valve Diseases and Treatments Cardiology and Cardiovascular Medicine 4 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available47.6%not open52.4%

World: 28% of research is openly available.

with international co-authors5.4%domestic only94.6%

World: 19% is written across borders.

How has Osaka City General Hospital's research output changed?

Output in 2018–2022 was 39% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Osaka

All research institutions in Osaka

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.