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Hospital / health system · Sendai · Japan

Sendai Medical Center

In research, Sendai Medical Center stands highest in Medicine (#5,575 of 8,541 worldwide) and Health Sciences (#6,930 of 9,902 worldwide), 2022-now. Relative to its size it is most specialised in Surgery (Surgery is 6.5× its share of world research).

snh.go.jpROR OpenAlex
World rank, 2022-now
#18,591
of 22,385 · #22,433 all time
Rank in Japan
#590
of 924
Research works
1k
▼ 17% vs 2018-21
Citations
13k
13.2 per fractional work
Top-10% rate
5.9%
all institutions 10.0%
vs its own fields
0.88×
1.00× is exactly expected
Open access
44%
world 40%
International
6%
world 18%
Sendai Medical Center

What is Sendai Medical Center 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 #5,575 of 8,541 4.3%117 #7703
Health SciencesDomain #6,930 of 9,902 4.2%120 #9039

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

In 2022-now, 81% of research at Sendai Medical Center is in Health Sciences, 10% in Life Sciences. Its largest fields are Medicine (79%), Biochemistry, Genetics and Molecular Biology (6%), Engineering (2%). It does 3.3× the world's share of Health Sciences.

Health Sciences: 141 fractional works · 81.1% of its workMedicine: 137 fractional works · 78.9% of its workSurgery: 27 fractional works · 15.4% of its workPulmonary and Respiratory Medicine: 19 fractional works · 11.1% of its workOncology: 15 fractional works · 8.7% of its workEpidemiology: 10 fractional works · 5.9% of its workCardiology and Cardiovascular Medicine: 9 fractional works · 5.1% of its workNeurology: 7 fractional works · 4.3% of its workInfectious Diseases: 5 fractional works · 2.8% of its workRadiology, Nuclear Medicine and Imaging: 5 fractional works · 2.6% of its workPathology and Forensic Medicine: 4 fractional works · 2.6% of its workGastroenterology: 4 fractional works · 2.3% of its workPhysiology: 4 fractional works · 2.1% of its workPublic Health, Environmental and Occupational Health: 3 fractional works · 1.9% of its workRheumatology: 3 fractional works · 1.9% of its workPsychiatry and Mental health: 2 fractional works · 1.3% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 1.3% of its workDermatology: 2 fractional works · 1.2% of its workPediatrics, Perinatology and Child Health: 2 fractional works · 0.9% of its workHematology: 1 fractional works · 0.7% of its workGenetics: 1 fractional works · 0.7% of its workPharmacology: 1 fractional works · 0.7% of its workReproductive Medicine: 1 fractional works · 0.7% of its workComplementary and alternative medicine: 1 fractional works · 0.6% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.5% of its workEmergency Medicine: 1 fractional works · 0.4% of its workHepatology: 1 fractional works · 0.4% of its workObstetrics and Gynecology: 1 fractional works · 0.4% of its workNephrology: 1 fractional works · 0.4% of its workGeriatrics and Gerontology: 1 fractional works · 0.3% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.3% of its workImmunology and Allergy: 0 fractional works · 0.3% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.3% of its workInternal Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.6% of its workHealth Professions: 2 fractional works · 1.3% of its workSpeech and Hearing: 1 fractional works · 0.4% of its workEmergency Medical Services: 1 fractional works · 0.4% of its workGeneral Health Professions: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workDentistry: 1 fractional works · 0.5% of its workVeterinary: 0 fractional works · 0.3% of its workSmall Animals: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.2% of its workNutrition and Dietetics: 0 fractional works · 0.2% of its workLife Sciences: 18 fractional works · 10.2% of its workBiochemistry, Genetics and Molecular Biology: 10 fractional works · 6.0% of its workMolecular Biology: 4 fractional works · 2.4% of its workCancer Research: 2 fractional works · 1.2% of its workGenetics: 2 fractional works · 1.1% of its workBiotechnology: 1 fractional works · 0.4% of its workCell Biology: 0 fractional works · 0.3% of its workDevelopmental Biology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workImmunology and Microbiology: 4 fractional works · 2.1% of its workImmunology: 2 fractional works · 1.2% of its workMicrobiology: 1 fractional works · 0.6% of its workParasitology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workNeuroscience: 2 fractional works · 1.4% of its workCognitive Neuroscience: 1 fractional works · 0.5% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.3% of its workNeurology: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 1 fractional works · 0.6% of its workAnimal Science and Zoology: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.2% of its workSocial Sciences: 8 fractional works · 4.4% of its workSocial Sciences: 4 fractional works · 2.2% of its workSociology and Political Science: 2 fractional works · 1.1% of its workEducation: 1 fractional works · 0.4% of its workDemography: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workPsychology: 3 fractional works · 1.5% of its workSocial Psychology: 1 fractional works · 0.7% of its workClinical Psychology: 1 fractional works · 0.4% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 1 fractional works · 0.5% of its workManagement of Technology and Innovation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workArts and Humanities: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workPhysical Sciences: 7 fractional works · 4.3% of its workEngineering: 4 fractional works · 2.3% of its workBiomedical Engineering: 3 fractional works · 1.6% of its workElectrical and Electronic Engineering: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 1 fractional works · 0.7% of its workArtificial Intelligence: 1 fractional works · 0.3% of its workInformation Systems: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 0.5% of its workMaterials Chemistry: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.3% of its workMathematics: 0 fractional works · 0.2% of its workEnvironmental Science: 0 fractional works · 0.2% of its workPhysics and Astronomy: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workChemical Engineering: 0 fractional works · 0.0% of its workALL ITS WORKSendai MedicalCenter174fractional works, 2022-now
Life Sciences10%Physical Sciences4%Health Sciences81%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 24 fields, with their numbers
    1. Medicine13778.9%
    2. Health Professions21.3%
    3. Dentistry10.5%
    4. Veterinary00.3%
    5. Nursing00.2%
    1. Biochemistry, Genetics and Molecular Biology106.0%
    2. Immunology and Microbiology42.1%
    3. Neuroscience21.4%
    4. Agricultural and Biological Sciences10.6%
    5. Pharmacology, Toxicology and Pharmaceutics00.2%
    1. Social Sciences42.2%
    2. Psychology31.5%
    3. Business, Management and Accounting10.5%
    4. Arts and Humanities00.2%
    5. Economics, Econometrics and Finance00.1%
    1. Engineering42.3%
    2. Computer Science10.7%
    3. Materials Science10.5%
    4. Chemistry00.3%
    5. Mathematics00.2%
    6. Environmental Science00.2%
    7. Physics and Astronomy00.1%
    8. Earth and Planetary Sciences00.1%
    9. Chemical Engineering00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Sendai Medical Center specialise in?

Where its research is concentrated relative to its size: Surgery takes 6.5× the share of its output that it takes of world research.

  1. SurgerySubfield · 26.7 works6.5×
← 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: 0.12× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.12× its world share, 10 worksBiochemistry, Geneti…Immunology and Microbiology: 2.08× its world share, 4 worksImmunology and Micro…Neuroscience: 0.85× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.44× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.11× its world share, 0 worksChemical EngineeringChemistry: 0.16× its world share, 0 worksChemistryComputer Science: 0.09× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.05× its world share, 0 worksEarth and Planetary …Engineering: 0.15× its world share, 4 worksEngineeringEnvironmental Science: 0.03× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.13× its world share, 1 worksMaterials ScienceMathematics: 0.14× its world share, 0 worksMathematicsPhysics and Astronomy: 0.06× its world share, 0 worksPhysics and AstronomyDentistry: 0.98× its world share, 1 worksDentistryHealth Professions: 0.50× its world share, 2 worksHealth ProfessionsMedicine: 4.10× its world share, 137 worksMedicineNursing: 0.45× its world share, 0 worksNursingVeterinary: 1.88× its world share, 0 worksVeterinaryArts and Humanities: 0.06× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.15× its world share, 1 worksBusiness, Management…Economics, Econometrics and Finance: 0.04× its world share, 0 worksEconomics, Econometr…Psychology: 0.50× its world share, 3 worksPsychologySocial Sciences: 0.17× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.1×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Medicine4.10×137 works
  2. Immunology and Microbiology2.08×4 works
  3. Veterinary1.88×0 works
  4. Biochemistry, Genetics and Molecular Biology1.12×10 works
  5. Dentistry0.98×1 works
  6. Neuroscience0.85×2 works
  7. Health Professions0.50×2 works
  8. Psychology0.50×3 works
  9. Nursing0.45×0 works
  10. Pharmacology, Toxicology and Pharmaceutics0.44×0 works
  11. Social Sciences0.17×4 works
  12. Chemistry0.16×0 works
  13. Engineering0.15×4 works
  14. Business, Management and Accounting0.15×1 works
  15. Mathematics0.14×0 works
  16. Materials Science0.13×1 works
  17. Agricultural and Biological Sciences0.12×1 works
  18. Chemical Engineering0.11×0 works
  19. Computer Science0.09×1 works
  20. Physics and Astronomy0.06×0 works
  21. Arts and Humanities0.06×0 works
  22. Earth and Planetary Sciences0.05×0 works
  23. Economics, Econometrics and Finance0.04×0 works
  24. Environmental Science0.03×0 works

Who are the top researchers at Sendai Medical Center?

Ranked on the quality score, Masahiro Yagi, Nobukazu Tanabe and Naoya Akazawa lead among researchers whose main affiliation is Sendai Medical Center.

  1. 1 Masahiro Yagi Japan · #1,154,721 worldwide 1.9k citations · 60 works
  2. 2 Nobukazu Tanabe Japan · #1,214,697 worldwide 1.9k citations · 45 works
  3. 3 Naoya Akazawa Japan · #1,461,393 worldwide 1.6k citations · 79 works
  4. 4 Kenichi Tsukita Japan · #2,192,077 worldwide 1.4k citations · 24 works
  5. 5 Hidekazu Nishimura Japan · #2,221,165 worldwide 3.4k citations · 130 works
  6. 6 Yasushi A. Suzuki Japan · #2,259,087 worldwide 6.8k citations · 218 works
  7. 7 Tatsuro Uchida Japan · #2,634,653 worldwide 2.4k citations · 37 works
  8. 8 Dai Hirasawa Japan · #2,703,040 worldwide 1.9k citations · 96 works
  9. 9 Genya Watanabe Japan · #3,126,365 worldwide 1.6k citations · 63 works
  10. 10 Yukio Nagai Japan · #3,435,854 worldwide 655 citations · 29 works
All ranked researchers at Sendai Medical Center

What are the most cited papers from Sendai Medical Center?

The most cited paper from Sendai Medical Center is "Transient left ventricular apical ballooning without coronary artery stenosis: a novel heart syndrome mimicking acute myocardial infarction" (Kazufumi Tsuchihashi, Kenji Ueshima, Tatsuro Uchida et al., 2001), with 1,662 citations. Next come "Gilteritinib or Chemotherapy for Relapsed or Refractory FLT3 -Mutated AML" (1,285) and "Effect of 1-Month Dual Antiplatelet Therapy Followed by Clopidogrel vs 12-Month Dual Antiplatelet Therapy on Cardiovascular and Bleeding Events in Patients Receiving PCI" (861).

Most cited papers
#PaperReleasedCitations
1 Transient left ventricular apical ballooning without coronary artery stenosis: a novel heart syndrome mimicking acute myocardial infarction Kazufumi Tsuchihashi, Kenji Ueshima, Tatsuro Uchida et al. · Journal of the American College of Cardiology Open access Jul 2001 1,662
2 Gilteritinib or Chemotherapy for Relapsed or Refractory FLT3 -Mutated AML Alexander E. Perl et al. · New England Journal of Medicine Open access 30 Oct 2019 1,285
3 Effect of 1-Month Dual Antiplatelet Therapy Followed by Clopidogrel vs 12-Month Dual Antiplatelet Therapy on Cardiovascular and Bleeding Events in Patients Receiving PCI Hirotoshi Watanabe et al. · JAMA Open access 25 Jun 2019 861
4 Randomised, multicentre prospective trial of transarterial chemoembolisation (TACE) plus sorafenib as compared with TACE alone in patients with hepatocellular carcinoma: TACTICS trial Masatoshi Kudo et al. · Gut Open access 4 Dec 2019 739
5 Lymphoplasmacytic sclerosing pancreatitis with cholangitis: A variant of primary sclerosing cholangitis extensively involving pancreas Kenji Kawaguchi, Morio Koike, Koji Tsuruta et al. · Human Pathology Apr 1991 637
All 61 most cited papers, with filters and sorting

Which keywords describe research at Sendai Medical Center?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Immunotherapy, Neoadjuvant Therapy, Cholangiocarcinoma, Tumor Microenvironment, Clinical Practice Guidelines and Inflammation.

▲ 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. Epidemiology25▲ 3.6×68 topics
  2. Chemotherapy12▲ 10.0×15 topics
  3. Immunotherapy11▲ 8.8×17 topics
  4. Inflammation11▲ 2.9×40 topics
  5. Neoadjuvant Therapy10▲ 24×5 topics
  6. Cholangiocarcinoma8▲ 58×2 topics
  7. Tumor Microenvironment8▲ 10×7 topics
  8. Clinical Practice Guidelines7▲ 7.6×13 topics
  9. Diagnosis7▲ 4.4×22 topics
  10. Treatment7▲ 3.4×26 topics
  11. Pancreatic Cancer7▲ 35×2 topics
  12. Prognostic Factors6▲ 8.7×14 topics
  13. Cholecystitis6▲ 83×1 topic
  14. ERCP6▲ 83×1 topic
  15. Gemcitabine6▲ 51×1 topic
  16. Surgical Complications6▲ 44×1 topic
  17. Surgical Management6▲ 8.7×13 topics
  18. Genetic Mutations6▲ 8.1×16 topics
  19. Survival Analysis5▲ 11×6 topics
  20. Palliative Treatment5▲ 45×2 topics
  21. Prognosis5▲ 8.3×9 topics
  22. Endoscopic Stenting5▲ 60×1 topic
  23. Esophageal Perforation5▲ 60×1 topic
  24. Guidelines5▲ 5.7×11 topics
  25. Vaccine4▲ 6.0×9 topics
  26. Complications4▲ 4.6×11 topics
  27. Nutritional Support4▲ 24×2 topics
  28. Pathogenesis4▲ 4.4×10 topics
  29. Genetic Factors4▲ 30×2 topics
  30. Acute Pancreatitis3▲ 46×1 topic
  31. Chronic Pancreatitis3▲ 46×1 topic
  32. Endoscopic Resection3▲ 19×2 topics
  33. Myocardial Infarction3▲ 7.7×7 topics
  34. Endovascular Treatment3▲ 32×2 topics
  35. Molecular Characterization3▲ 10×4 topics
  36. SARS-CoV-23▲ 6.0×6 topics
  37. Gastric Cancer3▲ 15×3 topics
  38. Targeted Therapy3▲ 7.6×4 topics
  39. Preoperative Chemoradiotherapy3▲ 20×2 topics
  40. Liver Transplantation3▲ 13×2 topics

Which research topics does Sendai Medical Center publish most on?

By volume in 2022-now: Gallbladder and Bile Duct Disorders, Pancreatic and Hepatic Oncology Research, Esophageal and GI Pathology and Pancreatitis Pathology and Treatment.

Gallbladder and Bile Duct Disorders: 6 fractional worksPancreatic and Hepatic Oncology Research: 6 fractional worksEsophageal and GI Pathology: 5 fractional worksPancreatitis Pathology and Treatment: 3 fractional worksGastric Cancer Management and Outcomes: 2 fractional worksRespiratory viral infect…2Respiratory viral infections research: 2 fractional worksPediatric Hepatobiliary Diseases and Treatments: 2 fractional worksCholangiocarcinoma and Gallbladder Cancer Studies: 2 fractional worksNeuroendocrine Tumor Research Advances: 2 fractional worksIntracranial Aneurysms: Treatment and Complications: 2 fractional works
Pulmonary and Respiratory MedicineOncologySurgeryEpidemiology1 others

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

  1. 1 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 6 works
  2. 2 Pancreatic and Hepatic Oncology Research Oncology 6 works
  3. 3 Esophageal and GI Pathology Surgery 5 works
  4. 4 Pancreatitis Pathology and Treatment Surgery 3 works
  5. 5 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 2 works
  6. 6 Respiratory viral infections research Epidemiology 2 works
  7. 7 Pediatric Hepatobiliary Diseases and Treatments Surgery 2 works
  8. 8 Cholangiocarcinoma and Gallbladder Cancer Studies Surgery 2 works
  9. 9 Neuroendocrine Tumor Research Advances Epidemiology 2 works
  10. 10 Intracranial Aneurysms: Treatment and Complications Neurology 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 available43.8%not open56.2%

World: 40% of research is openly available.

with international co-authors6.5%domestic only93.5%

World: 18% is written across borders.

How has Sendai Medical Center's research output changed?

Output in 2022-2025 was 17% lower 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 Sendai Medical Center as a percentage of every work published that year, 0.00061% in 2024.

still counting0.0010%0.0020%Sendai Medical Center0.00081% in 202519801990200020102020

Fractional works of Sendai Medical Center 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 2025Sendai Medical Center4.3% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 10.5% in 2012.

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Sendai Medical Center on Science Explorer

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