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Hospital / health system · Chiba · Japan

Asahi General Hospital

In research, Asahi General Hospital stands highest in Medicine (#4,701 of 8,541 worldwide) and Health Sciences (#5,553 of 9,902 worldwide), 2022-now. Relative to its size it is most specialised in Surgery and Pulmonary and Respiratory Medicine (Surgery is 9.1× its share of world research).

hospital.asahi.chiba.jpROR OpenAlex
World rank, 2022-now
#19,927
of 22,385 · #29,300 all time
Rank in Japan
#670
of 924
Research works
826
▲ 8% vs 2018-21
Citations
7.4k
8.9 per fractional work
Top-10% rate
5.1%
all institutions 10.0%
vs its own fields
0.88×
1.00× is exactly expected
Open access
54%
world 40%
International
5%
world 18%
Asahi General Hospital

What is Asahi General Hospital known for in research?

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

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #4,701 of 8,541 5.2%130 #9970
Health SciencesDomain #5,553 of 9,902 5.1%135 #12284

Each strip is that field's whole ranked pool, with the notch where Asahi 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Asahi General Hospital work in?

In 2022-now, 91% of research at Asahi General Hospital is in Health Sciences, 7% in Life Sciences. Its largest fields are Medicine (87%), Biochemistry, Genetics and Molecular Biology (2%), Neuroscience (2%). It does 3.7× the world's share of Health Sciences.

Health Sciences: 157 fractional works · 90.7% of its workMedicine: 151 fractional works · 87.4% of its workSurgery: 37 fractional works · 21.4% of its workPulmonary and Respiratory Medicine: 24 fractional works · 13.9% of its workEpidemiology: 8 fractional works · 4.8% of its workNeurology: 8 fractional works · 4.8% of its workOncology: 8 fractional works · 4.7% of its workPathology and Forensic Medicine: 7 fractional works · 3.9% of its workRheumatology: 4 fractional works · 2.2% of its workRadiology, Nuclear Medicine and Imaging: 4 fractional works · 2.2% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 2.2% of its workNephrology: 4 fractional works · 2.0% of its workCardiology and Cardiovascular Medicine: 3 fractional works · 1.9% of its workPhysiology: 3 fractional works · 1.8% of its workAnesthesiology and Pain Medicine: 3 fractional works · 1.7% of its workEndocrinology, Diabetes and Metabolism: 3 fractional works · 1.7% of its workHepatology: 3 fractional works · 1.6% of its workInfectious Diseases: 3 fractional works · 1.6% of its workInternal Medicine: 3 fractional works · 1.6% of its workPediatrics, Perinatology and Child Health: 2 fractional works · 1.4% of its workHematology: 2 fractional works · 1.3% of its workPsychiatry and Mental health: 2 fractional works · 1.2% of its workOrthopedics and Sports Medicine: 2 fractional works · 1.2% of its workEmergency Medicine: 2 fractional works · 1.1% of its workGastroenterology: 2 fractional works · 1.1% of its workObstetrics and Gynecology: 2 fractional works · 1.0% of its workDermatology: 2 fractional works · 0.9% of its workOphthalmology: 1 fractional works · 0.7% of its workComplementary and alternative medicine: 1 fractional works · 0.5% of its workGenetics: 1 fractional works · 0.4% of its workImmunology and Allergy: 1 fractional works · 0.4% of its workPharmacology: 1 fractional works · 0.3% of its workGeriatrics and Gerontology: 1 fractional works · 0.3% of its workTransplantation: 0 fractional works · 0.3% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.8% of its workHealth Professions: 3 fractional works · 1.5% of its workEmergency Medical Services: 1 fractional works · 0.8% of its workSpeech and Hearing: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workDentistry: 2 fractional works · 1.3% of its workOral Surgery: 2 fractional works · 1.1% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNursing: 1 fractional works · 0.5% of its workNutrition and Dietetics: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workLife Sciences: 11 fractional works · 6.5% of its workBiochemistry, Genetics and Molecular Biology: 4 fractional works · 2.5% of its workMolecular Biology: 2 fractional works · 1.4% of its workGenetics: 1 fractional works · 0.4% of its workEndocrinology: 1 fractional works · 0.3% of its workCancer Research: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 4 fractional works · 2.0% of its workCognitive Neuroscience: 1 fractional works · 0.7% of its workNeurology: 1 fractional works · 0.6% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 3 fractional works · 1.5% of its workImmunology: 1 fractional works · 0.6% of its workParasitology: 1 fractional works · 0.5% of its workMicrobiology: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.0% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.3% of its workAgricultural and Biological Sciences: 0 fractional works · 0.2% of its workSocial Sciences: 2 fractional works · 1.4% of its workArts and Humanities: 1 fractional works · 0.7% of its workPhilosophy: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPsychology: 1 fractional works · 0.3% of its workDecision Sciences: 0 fractional works · 0.2% of its workSocial Sciences: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workPhysical Sciences: 2 fractional works · 1.4% of its workEngineering: 1 fractional works · 0.6% of its workBiomedical Engineering: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 1 fractional works · 0.5% of its workMathematics: 0 fractional works · 0.1% of its workComputer Science: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.0% of its workPhysics and Astronomy: 0 fractional works · 0.0% of its workALL ITS WORKAsahi GeneralHospital173fractional works, 2022-now
Life Sciences7%Physical Sciences1%Health Sciences91%Social Sciences1%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 20 fields, with their numbers
    1. Medicine15187.4%
    2. Health Professions31.5%
    3. Dentistry21.3%
    4. Nursing10.5%
    1. Biochemistry, Genetics and Molecular Biology42.5%
    2. Neuroscience42.0%
    3. Immunology and Microbiology31.5%
    4. Pharmacology, Toxicology and Pharmaceutics00.3%
    5. Agricultural and Biological Sciences00.2%
    1. Arts and Humanities10.7%
    2. Psychology10.3%
    3. Decision Sciences00.2%
    4. Social Sciences00.1%
    5. Economics, Econometrics and Finance00.1%
    1. Engineering10.6%
    2. Environmental Science10.5%
    3. Mathematics00.1%
    4. Computer Science00.1%
    5. Chemistry00.0%
    6. Physics and Astronomy00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Asahi General Hospital specialise in?

Where its research is concentrated relative to its size: Surgery takes 9.1× the share of its output that it takes of world research.

  1. SurgerySubfield · 36.9 works9.1×
  2. Pulmonary and Respiratory MedicineSubfield · 24.1 works9.1×
← 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: 0.05× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.46× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 1.50× its world share, 3 worksImmunology and Micro…Neuroscience: 1.25× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.77× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.03× its world share, 0 worksChemistryComputer Science: 0.02× its world share, 0 worksComputer ScienceEngineering: 0.04× its world share, 1 worksEngineeringEnvironmental Science: 0.09× its world share, 1 worksEnvironmental ScienceMathematics: 0.12× its world share, 0 worksMathematicsPhysics and Astronomy: 0.02× its world share, 0 worksPhysics and AstronomyDentistry: 2.63× its world share, 2 worksDentistryHealth Professions: 0.58× its world share, 3 worksHealth ProfessionsMedicine: 4.54× its world share, 151 worksMedicineNursing: 1.07× its world share, 1 worksNursingArts and Humanities: 0.24× its world share, 1 worksArts and HumanitiesDecision Sciences: 0.17× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.05× its world share, 0 worksEconomics, Econometr…Psychology: 0.11× 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.

All 20 fields, with their numbers
  1. Medicine4.54×151 works
  2. Dentistry2.63×2 works
  3. Immunology and Microbiology1.50×3 works
  4. Neuroscience1.25×4 works
  5. Nursing1.07×1 works
  6. Pharmacology, Toxicology and Pharmaceutics0.77×0 works
  7. Health Professions0.58×3 works
  8. Biochemistry, Genetics and Molecular Biology0.46×4 works
  9. Arts and Humanities0.24×1 works
  10. Decision Sciences0.17×0 works
  11. Mathematics0.12×0 works
  12. Psychology0.11×1 works
  13. Environmental Science0.09×1 works
  14. Agricultural and Biological Sciences0.05×0 works
  15. Economics, Econometrics and Finance0.05×0 works
  16. Engineering0.04×1 works
  17. Chemistry0.03×0 works
  18. Computer Science0.02×0 works
  19. Physics and Astronomy0.02×0 works
  20. Social Sciences0.01×0 works

Who are the top researchers at Asahi General Hospital?

Ranked on the quality score, Shin‐ichiro Kagami, Ei Itobayashi and Daisuke Kashiwakuma lead among researchers whose main affiliation is Asahi General Hospital.

  1. 1 Shin‐ichiro Kagami Japan · #350,787 worldwide 4k citations · 85 works
  2. 2 Ei Itobayashi Japan · #417,727 worldwide 4k citations · 216 works
  3. 3 Daisuke Kashiwakuma Japan · #554,160 worldwide 1.4k citations · 24 works
  4. 4 Junji Kanda Japan · #1,633,750 worldwide 1.2k citations · 81 works
  5. 5 Akihiro Miyakawa Japan · #2,311,654 worldwide 160 citations · 24 works
  6. 6 Shunichi Kushida Japan · #2,420,017 worldwide 237 citations · 40 works
  7. 7 Manabu Kubota Japan · #2,440,199 worldwide 681 citations · 20 works
  8. 8 Hiroaki Tanaka Japan · #2,460,338 worldwide 997 citations · 107 works
  9. 9 Takeshi Murouchi Japan · #2,491,796 worldwide 779 citations · 29 works
  10. 10 Akihito Honda Japan · #3,160,884 worldwide 1.1k citations · 35 works
All ranked researchers at Asahi General Hospital

What are the most cited papers from Asahi General Hospital?

The most cited paper from Asahi General Hospital is "Revised 2017 international consensus on testing of ANCAs in granulomatosis with polyangiitis and microscopic polyangiitis" (Xavier Bossuyt et al., 2017), with 467 citations. Next come "IL-23 and Th17 Cells Enhance Th2-Cell–mediated Eosinophilic Airway Inflammation in Mice" (450) and "Guidelines for obstetrical practice in J apan: J apan S ociety of O bstetrics and G ynecology ( JSOG ) and J apan A ssociation of O bstetricians and G ynecologists ( JAOG ) 2014 edition" (377).

Most cited papers
#PaperReleasedCitations
1 Revised 2017 international consensus on testing of ANCAs in granulomatosis with polyangiitis and microscopic polyangiitis Xavier Bossuyt et al. · Nature Reviews Rheumatology ReviewOpen access 14 Sep 2017 467
2 IL-23 and Th17 Cells Enhance Th2-Cell–mediated Eosinophilic Airway Inflammation in Mice Hidefumi Wakashin, Koichi Hirose, Yuko Maezawa et al. · American Journal of Respiratory and Critical Care Medicine 11 Sep 2008 450
3 Guidelines for obstetrical practice in J apan: J apan S ociety of O bstetrics and G ynecology ( JSOG ) and J apan A ssociation of O bstetricians and G ynecologists ( JAOG ) 2014 edition Hisanori Minakami et al. · Journal of obstetrics and gynaecology research Jun 2014 377
4 A genome-wide association study identifies three new risk loci for Kawasaki disease Yoshihiro Onouchi et al. · Nature Genetics 25 Mar 2012 341
5 CT of Internal Hernias Nobuyuki Takeyama, Takehiko Gokan, Yoshimitsu Ohgiya et al. · Radiographics Jul 2005 334
All 60 most cited papers, with filters and sorting

Which keywords describe research at Asahi General Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Risk Factors, Diagnosis, Treatment, Surgical Management, Guidelines, Atherosclerosis and Complications.

▲ 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-now 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. Epidemiology23▲ 3.4×73 topics
  2. Risk Factors15▲ 8.1×14 topics
  3. Treatment13▲ 6.4×29 topics
  4. Diagnosis13▲ 7.9×26 topics
  5. Surgical Management11▲ 15×15 topics
  6. Guidelines10▲ 12×10 topics
  7. Inflammation9▲ 2.4×40 topics
  8. Atherosclerosis9▲ 17×6 topics
  9. Management9▲ 6.2×19 topics
  10. Complications8▲ 9.9×14 topics
  11. Diabetes8▲ 9.6×6 topics
  12. Revascularization8▲ 31×4 topics
  13. Percutaneous Coronary Intervention8▲ 34×4 topics
  14. Clinical Practice Guidelines8▲ 8.3×10 topics
  15. Quality of Life7▲ 2.8×19 topics
  16. Angioplasty7▲ 63×2 topics
  17. Hemostasis7▲ 38×3 topics
  18. Claudication6▲ 101×1 topic
  19. Peripheral Arterial Disease6▲ 101×1 topic
  20. Endovascular Repair6▲ 41×3 topics
  21. Femoral Access6▲ 159×1 topic
  22. Radial Access6▲ 159×1 topic
  23. Chemotherapy6▲ 5.0×15 topics
  24. Prognostic Factors5▲ 6.3×10 topics
  25. Pain Management4▲ 11×6 topics
  26. Tumor Microenvironment4▲ 5.7×8 topics
  27. Neurological Disorders4▲ 4.4×13 topics
  28. Chronic Pain4▲ 11×4 topics
  29. Genetic Susceptibility4▲ 23×4 topics
  30. Pathogenesis4▲ 4.3×13 topics
  31. Rehabilitation4▲ 5.3×7 topics
  32. Biomechanics4▲ 6.8×3 topics
  33. Pathophysiology4▲ 7.2×8 topics
  34. Neuroimaging4▲ 7.5×9 topics
  35. Diagnostic Imaging3▲ 18×3 topics
  36. Perioperative Care3▲ 16×3 topics
  37. Postoperative Pain3▲ 20×2 topics
  38. Thrombus Formation3▲ 25×3 topics
  39. Prophylaxis3▲ 15×2 topics
  40. Matrix Metalloproteinases3▲ 12×2 topics

Which research topics does Asahi General Hospital publish most on?

By volume in 2022-now: Peripheral Artery Disease Management, Vascular Procedures and Complications, Aortic aneurysm repair treatments and Venous Thromboembolism Diagnosis and Management.

Peripheral Artery Diseas…6Peripheral Artery Disease Management: 6 fractional worksVascular Procedures and Complications: 6 fractional worksAortic aneurysm repair treatments: 3 fractional worksVenous Thromboembolism Diagnosis and Management: 3 fractional worksAnesthesia and Pain Management: 3 fractional worksInfectious Aortic and Vascular Conditions: 2 fractional worksCerebrovascular and Caro…2Cerebrovascular and Carotid Artery Diseases: 2 fractional worksHepatocellular Carcinoma Treatment and Prognosis: 2 fractional worksAirway Management and Intubation Techniques: 2 fractional worksCoronary Interventions and Diagnostics: 2 fractional works
SurgeryPulmonary and Respiratory MedicineInternal MedicineHepatology1 others

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

  1. 1 Peripheral Artery Disease Management Surgery 6 works
  2. 2 Vascular Procedures and Complications Pulmonary and Respiratory Medicine 6 works
  3. 3 Aortic aneurysm repair treatments Pulmonary and Respiratory Medicine 3 works
  4. 4 Venous Thromboembolism Diagnosis and Management Internal Medicine 3 works
  5. 5 Anesthesia and Pain Management Surgery 3 works
  6. 6 Infectious Aortic and Vascular Conditions Surgery 2 works
  7. 7 Cerebrovascular and Carotid Artery Diseases Pulmonary and Respiratory Medicine 2 works
  8. 8 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 2 works
  9. 9 Airway Management and Intubation Techniques Anesthesiology and Pain Medicine 2 works
  10. 10 Coronary Interventions and Diagnostics Surgery 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 available53.7%not open46.3%

World: 40% of research is openly available.

with international co-authors5.1%domestic only94.9%

World: 18% is written across borders.

How has Asahi General Hospital's research output changed?

Output in 2022-2025 was 8% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Asahi General Hospital as a percentage of every work published that year, 0.00063% in 2024.

still counting0.0010%0.0020%0.0030%Asahi General Hospital0.00059% in 202519801990200020102020

Fractional works of Asahi General Hospital over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting5%10%15%all institutions10.0% in 2025Asahi General Hospital5.4% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 6.7% in 2020.

Other research institutions in Chiba

All research institutions in Chiba

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Asahi General Hospital on Science Explorer

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