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Hospital / health system · Hiroshima · Japan

Hiroshima City Asa Citizens Hospital

In research, Hiroshima City Asa Citizens Hospital stands highest in Medicine (#6,409 of 10,443 worldwide) and Health Sciences (#8,193 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Pulmonary and Respiratory Medicine and Surgery — Pulmonary and Respiratory Medicine is 9.4× its share of world research.

asa-hosp.city.hiroshima.jp/enROR OpenAlex
World rank, 2022–2025
#17,105
of 28,054 · #30,994 all time
Rank in Japan
#460
of 1,070
Research works
1k
▲ 47% vs 2013–17
Citations
7.3k
7.0 per fractional work
Top-10% rate
6.7%
record average 16.5%
Open access
54%
world 28%

What is Hiroshima City Asa Citizens 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 #6,409 of 10,443 6.2%218 #10596
Health SciencesDomain #8,193 of 11,982 6.4%223 #13599

Each strip is that field’s whole ranked pool, with the notch where Hiroshima City Asa Citizens 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).

What does Hiroshima City Asa Citizens Hospital specialise in?

Where its research is concentrated relative to its size: Pulmonary and Respiratory Medicine takes 9.4× the share of its output that it takes of world research.

  1. Pulmonary and Respiratory MedicineSubfield · 36.7 works9.4×
  2. SurgerySubfield · 42.5 works7.1×
← 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: 0.03× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.90× its world share, 12 worksBiochemistry, Geneti…Immunology and Microbiology: 1.91× its world share, 5 worksImmunology and Micro…Neuroscience: 1.52× its world share, 6 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.77× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.03× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.01× its world share, 0 worksEarth and Planetary …Engineering: 0.06× its world share, 2 worksEngineeringEnvironmental Science: 0.12× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials ScienceMathematics: 0.03× its world share, 0 worksMathematicsPhysics and Astronomy: 0.07× its world share, 0 worksPhysics and AstronomyDentistry: 1.04× its world share, 1 worksDentistryHealth Professions: 0.36× its world share, 2 worksHealth ProfessionsMedicine: 4.46× its world share, 218 worksMedicineNursing: 0.63× its world share, 1 worksNursingVeterinary: 0.80× its world share, 0 worksVeterinaryArts and Humanities: 0.03× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Decision Sciences: 0.03× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.02× its world share, 0 worksEconomics, Econometr…Psychology: 0.16× its world share, 1 worksPsychologySocial Sciences: 0.01× its world share, 0 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 Hiroshima City Asa Citizens Hospital?

Ranked on the composite score, Kazuhiro Okada, Akira Fukumoto and Yasuhiro Choda lead among researchers whose main affiliation is Hiroshima City Asa Citizens Hospital.

  1. 1 Kazuhiro Okada Japan · #172,887 worldwide 157 citations · 22 works
  2. 2 Akira Fukumoto Japan · #252,039 worldwide 56 citations · 38 works
  3. 3 Yasuhiro Choda Japan · #262,711 worldwide 95 citations · 29 works
  4. 4 Michiaki Nagai Japan · #330,998 worldwide 102 citations · 28 works
  5. 5 Shota Sasaki Japan · #411,098 worldwide 111 citations · 43 works
  6. 6 Hiroyoshi Matsukawa Japan · #574,547 worldwide 32 citations · 26 works
  7. 7 Mayumi Kaneko Japan · #632,532 worldwide 33 citations · 30 works
  8. 8 Hidenori Mukaida Japan · #715,992 worldwide 20 citations · 22 works
  9. 9 Masao Harano Japan · #746,098 worldwide 17 citations · 19 works
  10. 10 Yu Sato Japan · #836,461 worldwide 6 citations · 18 works
All ranked researchers at Hiroshima City Asa Citizens Hospital

Which keywords describe research at Hiroshima City Asa Citizens Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Diagnosis, Surgical Management, Prognostic Factors, Immunotherapy, Treatment and Neoadjuvant Therapy.

▲ 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. Epidemiology31▲ 3.1×78 topics
  2. Chemotherapy20▲ 11×22 topics
  3. Diagnosis17▲ 7.3×30 topics
  4. Treatment15▲ 4.8×31 topics
  5. Inflammation13▲ 2.5×43 topics
  6. Surgical Management13▲ 12×18 topics
  7. Immunotherapy12▲ 6.9×18 topics
  8. Prognostic Factors12▲ 11×13 topics
  9. Neoadjuvant Therapy11▲ 19×5 topics
  10. Clinical Practice Guidelines11▲ 8.0×14 topics
  11. Management11▲ 5.5×24 topics
  12. Surgery10▲ 12×8 topics
  13. Endoscopic Resection10▲ 40×2 topics
  14. Risk Factors9▲ 3.2×21 topics
  15. Genetic Mutations9▲ 8.1×15 topics
  16. Survival Analysis8▲ 12×6 topics
  17. Meta-Analysis8▲ 5.4×7 topics
  18. Autoantibodies8▲ 13×8 topics
  19. Radiotherapy8▲ 7.7×11 topics
  20. Adjuvant Therapy7▲ 22×2 topics
  21. Tumor Microenvironment7▲ 6.4×7 topics
  22. Complications7▲ 5.4×12 topics
  23. Molecular Characterization7▲ 15×5 topics
  24. Preoperative Chemoradiotherapy7▲ 34×2 topics
  25. Clinical Trials7▲ 3.9×9 topics
  26. Heart Failure7▲ 6.0×12 topics
  27. Guidelines6▲ 5.2×12 topics
  28. Chemoradiation6▲ 36×2 topics
  29. Classification6▲ 5.0×4 topics
  30. Targeted Therapy6▲ 10×4 topics
  31. Thrombosis6▲ 8.0×7 topics
  32. Gastric Cancer6▲ 20×3 topics
  33. Barrett's Esophagus6▲ 54×1 topic
  34. Esophageal Carcinoma6▲ 54×1 topic
  35. Endovascular Treatment5▲ 36×2 topics
  36. Echocardiography5▲ 7.4×8 topics
  37. Imatinib Mesylate5▲ 39×2 topics
  38. Autoimmune5▲ 39×2 topics
  39. Neoadjuvant Chemotherapy5▲ 23×2 topics
  40. Lymph Node Dissection4▲ 30×1 topic

Which research topics does Hiroshima City Asa Citizens Hospital publish most on?

By volume in 2022–2025: Esophageal Cancer Research and Treatment, Gastric Cancer Management and Outcomes, Esophageal and GI Pathology and Intracranial Aneurysms: Treatment and Complications.

Esophageal Cancer Resear…6Esophageal Cancer Research and Treatment: 6 fractional worksGastric Cancer Managemen…4Gastric Cancer Management and Outcomes: 4 fractional worksEsophageal and GI Pathol…4Esophageal and GI Pathology: 4 fractional worksIntracranial Aneurysms: …4Intracranial Aneurysms: Treatment and Complications: 4 fractional worksUrticaria and Related Conditions: 3 fractional worksLung Cancer Research Studies: 3 fractional worksPancreatic and Hepatic O…3Pancreatic and Hepatic Oncology Research: 3 fractional worksGastrointestinal Tumor Research and Treatment: 3 fractional worksLung Cancer Diagnosis and Treatment: 3 fractional worksCoagulation, Bradykinin,…2Coagulation, Bradykinin, Polyphosphates, and Angioedema: 2 fractional works
SurgeryPulmonary and Respiratory MedicineNeurologyRheumatology3 others

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

  1. 1 Esophageal Cancer Research and Treatment Surgery 6 works
  2. 2 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 4 works
  3. 3 Esophageal and GI Pathology Surgery 4 works
  4. 4 Intracranial Aneurysms: Treatment and Complications Neurology 4 works
  5. 5 Urticaria and Related Conditions Rheumatology 3 works
  6. 6 Lung Cancer Research Studies Oncology 3 works
  7. 7 Pancreatic and Hepatic Oncology Research Oncology 3 works
  8. 8 Gastrointestinal Tumor Research and Treatment Gastroenterology 3 works
  9. 9 Lung Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 3 works
  10. 10 Coagulation, Bradykinin, Polyphosphates, and Angioedema Genetics 2 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 available54.5%not open45.5%

World: 28% of research is openly available.

with international co-authors6.3%domestic only93.7%

World: 19% is written across borders.

How has Hiroshima City Asa Citizens Hospital's research output changed?

Output in 2018–2022 was 47% 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 Hiroshima

All research institutions in Hiroshima

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.