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Hospital / health system · Matsuyama · Japan

Ehime Medical Center

In research, Ehime Medical Center stands highest in Medicine (#8,996 of 14,558 worldwide) and Health Sciences (#10,985 of 16,688 worldwide), over all time.

ehime.hosp.go.jpROR OpenAlex
World rank, all time
#27,979
of 34,923
Rank in Japan
#1,138
of 1,923
Research works
338
▲ 63% vs 2018-21
Citations
5k
14.9 per fractional work
Top-10% rate
4.6%
all institutions 10.0%
vs its own fields
0.83×
1.00× is exactly expected
Open access
52%
world 40%
International
9%
world 18%
Ehime Medical Center

What is Ehime Medical Center known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
MedicineField #8,996 of 14,558 3.7%253
Health SciencesDomain #10,985 of 16,688 3.8%262

Each strip is that field's whole ranked pool, with the notch where Ehime Medical Center 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 Ehime Medical Center work in?

In 2022-now, 79% of research at Ehime Medical Center is in Health Sciences, 12% in Life Sciences. Its largest fields are Medicine (74%), Biochemistry, Genetics and Molecular Biology (6%), Health Professions (3%). It does 3.0× the world's share of Health Sciences.

Health Sciences: 47 fractional works · 78.9% of its workMedicine: 44 fractional works · 73.7% of its workSurgery: 7 fractional works · 11.7% of its workEpidemiology: 5 fractional works · 8.6% of its workCardiology and Cardiovascular Medicine: 5 fractional works · 8.4% of its workPulmonary and Respiratory Medicine: 4 fractional works · 7.2% of its workRadiology, Nuclear Medicine and Imaging: 2 fractional works · 4.0% of its workHepatology: 2 fractional works · 3.5% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 3.4% of its workOncology: 2 fractional works · 3.2% of its workInfectious Diseases: 2 fractional works · 3.0% of its workPhysiology: 2 fractional works · 2.7% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 2.2% of its workNeurology: 1 fractional works · 1.7% of its workGenetics: 1 fractional works · 1.6% of its workRheumatology: 1 fractional works · 1.5% of its workPathology and Forensic Medicine: 1 fractional works · 1.4% of its workDermatology: 1 fractional works · 1.3% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 1.1% of its workObstetrics and Gynecology: 1 fractional works · 0.8% of its workNephrology: 0 fractional works · 0.8% of its workPsychiatry and Mental health: 0 fractional works · 0.7% of its workReproductive Medicine: 0 fractional works · 0.5% of its workEmergency Medicine: 0 fractional works · 0.5% of its workGastroenterology: 0 fractional works · 0.5% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.5% of its workInternal Medicine: 0 fractional works · 0.4% of its workOphthalmology: 0 fractional works · 0.4% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.3% of its workHematology: 0 fractional works · 0.3% of its workImmunology and Allergy: 0 fractional works · 0.3% of its workAnesthesiology and Pain Medicine: 0 fractional works · 0.3% of its workPharmacology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.5% of its workHealth Professions: 2 fractional works · 3.2% of its workGeneral Health Professions: 1 fractional works · 1.1% of its workEmergency Medical Services: 0 fractional works · 0.7% of its workPharmacy: 0 fractional works · 0.5% of its workSpeech and Hearing: 0 fractional works · 0.3% of its workHealth Information Management: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workDentistry: 1 fractional works · 1.8% of its workGeneral Dentistry: 1 fractional works · 1.7% of its workSmaller subfields together: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.2% of its workLife Sciences: 7 fractional works · 11.6% of its workBiochemistry, Genetics and Molecular Biology: 4 fractional works · 6.4% of its workMolecular Biology: 2 fractional works · 3.2% of its workGenetics: 1 fractional works · 1.4% of its workEndocrinology: 1 fractional works · 1.1% of its workCancer Research: 0 fractional works · 0.3% of its workCell Biology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 2.3% of its workImmunology: 1 fractional works · 1.8% of its workApplied Microbiology and Biotechnology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 1 fractional works · 2.2% of its workNeurology: 1 fractional works · 1.2% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.4% of its workCognitive Neuroscience: 0 fractional works · 0.2% of its workSensory Systems: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 0 fractional works · 0.6% of its workPlant Science: 0 fractional works · 0.3% of its workInsect Science: 0 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.0% of its workPhysical Sciences: 3 fractional works · 5.1% of its workEngineering: 1 fractional works · 1.5% of its workBiomedical Engineering: 0 fractional works · 0.8% of its workElectrical and Electronic Engineering: 0 fractional works · 0.5% of its workAerospace Engineering: 0 fractional works · 0.2% of its workPhysics and Astronomy: 1 fractional works · 1.3% of its workRadiation: 1 fractional works · 1.3% of its workComputer Science: 1 fractional works · 1.0% of its workComputational Theory and Mathematics: 0 fractional works · 0.5% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.3% of its workArtificial Intelligence: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workMathematics: 0 fractional works · 0.5% of its workModeling and Simulation: 0 fractional works · 0.5% of its workEnvironmental Science: 0 fractional works · 0.4% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.1% of its workSocial Sciences: 3 fractional works · 4.4% of its workPsychology: 1 fractional works · 2.3% of its workClinical Psychology: 0 fractional works · 0.7% of its workSocial Psychology: 0 fractional works · 0.6% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.4% of its workApplied Psychology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workSocial Sciences: 1 fractional works · 1.6% of its workTransportation: 0 fractional works · 0.5% of its workSociology and Political Science: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.6% of its workArts and Humanities: 0 fractional works · 0.3% of its workArcheology: 0 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 0 fractional works · 0.1% of its workALL ITS WORKEhime MedicalCenter60fractional works, 2022-now
Life Sciences12%Physical Sciences5%Health Sciences79%Social Sciences4%

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 21 fields, with their numbers
    1. Medicine4473.7%
    2. Health Professions23.2%
    3. Dentistry11.8%
    4. Veterinary00.2%
    1. Biochemistry, Genetics and Molecular Biology46.4%
    2. Immunology and Microbiology12.3%
    3. Neuroscience12.2%
    4. Agricultural and Biological Sciences00.6%
    5. Pharmacology, Toxicology and Pharmaceutics00.0%
    1. Engineering11.5%
    2. Physics and Astronomy11.3%
    3. Computer Science11.0%
    4. Mathematics00.5%
    5. Environmental Science00.4%
    6. Materials Science00.1%
    7. Chemistry00.1%
    1. Psychology12.3%
    2. Social Sciences11.6%
    3. Arts and Humanities00.3%
    4. Economics, Econometrics and Finance00.1%
    5. Business, Management and Accounting00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.13× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.21× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 2.25× its world share, 1 worksImmunology and Micro…Neuroscience: 1.35× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.14× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.06× its world share, 0 worksChemistryComputer Science: 0.14× its world share, 1 worksComputer ScienceEngineering: 0.10× its world share, 1 worksEngineeringEnvironmental Science: 0.09× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.04× its world share, 0 worksMaterials ScienceMathematics: 0.47× its world share, 0 worksMathematicsPhysics and Astronomy: 0.60× its world share, 1 worksPhysics and AstronomyDentistry: 3.81× its world share, 1 worksDentistryHealth Professions: 1.20× its world share, 2 worksHealth ProfessionsMedicine: 3.83× its world share, 44 worksMedicineVeterinary: 1.36× its world share, 0 worksVeterinaryArts and Humanities: 0.10× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.06× its world share, 0 worksEconomics, Econometr…Psychology: 0.74× its world share, 1 worksPsychologySocial Sciences: 0.13× 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, 3.8×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Medicine3.83×44 works
  2. Dentistry3.81×1 works
  3. Immunology and Microbiology2.25×1 works
  4. Veterinary1.36×0 works
  5. Neuroscience1.35×1 works
  6. Biochemistry, Genetics and Molecular Biology1.21×4 works
  7. Health Professions1.20×2 works
  8. Psychology0.74×1 works
  9. Physics and Astronomy0.60×1 works
  10. Mathematics0.47×0 works
  11. Pharmacology, Toxicology and Pharmaceutics0.14×0 works
  12. Computer Science0.14×1 works
  13. Agricultural and Biological Sciences0.13×0 works
  14. Social Sciences0.13×1 works
  15. Engineering0.10×1 works
  16. Arts and Humanities0.10×0 works
  17. Environmental Science0.09×0 works
  18. Chemistry0.06×0 works
  19. Economics, Econometrics and Finance0.06×0 works
  20. Materials Science0.04×0 works
  21. Business, Management and Accounting0.03×0 works

Who are the top researchers at Ehime Medical Center?

Ranked on the quality score, Tsuneo IMACHI, Ichiro Morishige and Yoshinori Nishiyama lead among researchers whose main affiliation is Ehime Medical Center.

  1. 1 Tsuneo IMACHI Japan · #4,149,380 worldwide 192 citations · 27 works
  2. 2 Ichiro Morishige Japan · #4,882,863 worldwide 51 citations · 15 works
  3. 3 Yoshinori Nishiyama Japan · #4,964,248 worldwide 50 citations · 23 works
  4. 4 Tadayoshi Tanaka Japan · #4,975,062 worldwide 21 citations · 15 works
  5. 5 M. Tanabe Japan · #5,126,059 worldwide 40 citations · 39 works
  6. 6 Kazuyuki Sakurada Japan · #5,180,087 worldwide 48 citations · 22 works
  7. 7 Toshio Mishima Japan · #5,258,192 worldwide 144 citations · 22 works
  8. 8 Kiyohiro Fujiwara Japan · #5,680,989 worldwide 179 citations · 43 works
  9. 9 Junichi Funada Japan · #7,347,624 worldwide 1.1k citations · 128 works
All ranked researchers at Ehime Medical Center

What are the most cited papers from Ehime Medical Center?

The most cited paper from Ehime Medical Center is "CT-guided needle biopsy of lung lesions: A survey of severe complication based on 9783 biopsies in Japan" (Noriyuki Tomiyama, Yoshifumi Yasuhara, Yasuo Nakajima et al., 2006), with 501 citations. Next come "Angiotensin II Type-1 Receptor Blocker Valsartan Enhances Insulin Sensitivity in Skeletal Muscles of Diabetic Mice" (228) and "Pembrolizumab or placebo with chemoradiotherapy followed by pembrolizumab or placebo for newly diagnosed, high-risk, locally advanced cervical cancer (ENGOT-cx11/GOG-3047/KEYNOTE-A18): overall survival results from a randomised, double-blind, placebo-controlled, phase 3 trial" (201).

Most cited papers
#PaperReleasedCitations
1 CT-guided needle biopsy of lung lesions: A survey of severe complication based on 9783 biopsies in Japan Noriyuki Tomiyama, Yoshifumi Yasuhara, Yasuo Nakajima et al. · European Journal of Radiology 14 Mar 2006 501
2 Angiotensin II Type-1 Receptor Blocker Valsartan Enhances Insulin Sensitivity in Skeletal Muscles of Diabetic Mice Tetsuya Shiuchi, Masaru Iwai, Huan-Sheng Li et al. · Hypertension Open access 23 Mar 2004 228
3 Pembrolizumab or placebo with chemoradiotherapy followed by pembrolizumab or placebo for newly diagnosed, high-risk, locally advanced cervical cancer (ENGOT-cx11/GOG-3047/KEYNOTE-A18): overall survival results from a randomised, double-blind, placebo-controlled, phase 3 trial Domenica Lorusso et al. · The Lancet 14 Sep 2024 201
4 Butyltin residues in livers of humans and wild terrestrial mammals and in plastic products Shinʼ ichi Takahashi, Hiroto Mukai, Shinsuke Tanabe et al. · Environmental Pollution Aug 1999 191
5 Reinforce the antitumor activity of CD 8 + T cells via glutamine restriction Shogo Nabe, Takeshi Yamada, Junpei Suzuki et al. · Cancer Science Open access 10 Oct 2018 179
All 60 most cited papers, with filters and sorting

Which keywords describe research at Ehime Medical Center?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Treatment, Metabolic Syndrome, Inflammation, Management, Insulin Resistance and Cardiovascular Disease.

▲ 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. Epidemiology9▲ 3.6×51 topics
  2. Diagnosis6▲ 9.9×20 topics
  3. Treatment5▲ 7.0×24 topics
  4. Inflammation5▲ 3.6×31 topics
  5. Metabolic Syndrome3▲ 7.0×10 topics
  6. Cardiovascular Disease3▲ 4.8×16 topics
  7. Management3▲ 6.3×14 topics
  8. Insulin Resistance3▲ 10×6 topics
  9. Obesity3▲ 5.8×9 topics
  10. Hepatocellular Carcinoma2▲ 20×3 topics
  11. Echocardiography2▲ 14×5 topics
  12. Atherosclerosis2▲ 12×6 topics
  13. Clinical Practice Guidelines2▲ 5.9×11 topics
  14. Antibiotic Resistance2▲ 7.8×6 topics
  15. Complications2▲ 6.0×9 topics
  16. Genetic Mutations2▲ 6.9×10 topics
  17. Immunotherapy2▲ 4.2×10 topics
  18. Guidelines2▲ 6.2×9 topics
  19. Heart Failure2▲ 6.4×5 topics
  20. Risk Factors2▲ 2.5×11 topics
  21. Cystic Fibrosis2▲ 37×3 topics
  22. Genetics2▲ 3.7×8 topics
  23. Immune Response2▲ 4.6×9 topics
  24. NAFLD2▲ 23×1 topic
  25. NASH2▲ 23×1 topic
  26. Pathogenesis2▲ 4.8×7 topics
  27. Radiotherapy2▲ 6.3×8 topics
  28. Chemotherapy1▲ 3.3×10 topics
  29. Crohn's Disease1▲ 27×2 topics
  30. Diabetes1▲ 4.3×8 topics
  31. Surgical Management1▲ 5.4×9 topics
  32. Cardiovascular Risk1▲ 6.6×3 topics
  33. Cardiac Imaging1▲ 15×2 topics
  34. Clinical Guidelines1▲ 6.1×6 topics
  35. Infection Control1▲ 21×2 topics
  36. Nosocomial Infections1▲ 37×2 topics
  37. Radiofrequency Ablation1▲ 18×2 topics
  38. Bacteremia1▲ 23×2 topics
  39. Dental Practice1▲ 39×1 topic
  40. Transmission Routes1▲ 39×1 topic

Which research topics does Ehime Medical Center publish most on?

By volume in 2022-now: Liver Disease Diagnosis and Treatment, Dental Research and COVID-19, Liver Disease and Transplantation and Coronary Interventions and Diagnostics.

Liver Disease Diagnosis …2Liver Disease Diagnosis and Treatment: 2 fractional worksDental Research and COVI…1Dental Research and COVID-19: 1 fractional worksLiver Disease and Transplantation: 1 fractional worksCoronary Interventions and Diagnostics: 1 fractional worksCardiovascular Function and Risk Factors: 1 fractional worksAdvanced Radiotherapy Techniques: 1 fractional worksHepatocellular Carcinoma Treatment and Prognosis: 1 fractional worksCardiac tumors and thrombi1Cardiac tumors and thrombi: 1 fractional worksMycobacterium research and diagnosis: 1 fractional worksDiabetes, Cardiovascular Risks, and Lipoproteins: 1 fractional works
EpidemiologyGeneral DentistryHepatologySurgery3 others

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

  1. 1 Liver Disease Diagnosis and Treatment Epidemiology 2 works
  2. 2 Dental Research and COVID-19 General Dentistry 1 works
  3. 3 Liver Disease and Transplantation Hepatology 1 works
  4. 4 Coronary Interventions and Diagnostics Surgery 1 works
  5. 5 Cardiovascular Function and Risk Factors Cardiology and Cardiovascular Medicine 1 works
  6. 6 Advanced Radiotherapy Techniques Radiation 1 works
  7. 7 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 1 works
  8. 8 Cardiac tumors and thrombi Cardiology and Cardiovascular Medicine 1 works
  9. 9 Mycobacterium research and diagnosis Epidemiology 1 works
  10. 10 Diabetes, Cardiovascular Risks, and Lipoproteins Endocrinology, Diabetes and Metabolism 1 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 available52.2%not open47.8%

World: 40% of research is openly available.

with international co-authors9.0%domestic only91.0%

World: 18% is written across borders.

How has Ehime Medical Center's research output changed?

Output in 2022-2025 was 63% 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 Ehime Medical Center as a percentage of every work published that year, 0.00021% in 2024.

still counting0.0010%0.0020%Ehime Medical Center0.00032% in 202519801990200020102020

Fractional works of Ehime Medical Center over all fractional works that year. How the balance of science has shifted.

Other research institutions in Matsuyama

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Ehime Medical Center on Science Explorer

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