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Hospital / health system · Yamagata · Japan

Yamagata City Hospital Saiseikan

In research, Yamagata City Hospital Saiseikan stands highest in Medicine (#17,299 of 17,978 worldwide) and Health Sciences (#19,906 of 20,462 worldwide), over all time.

saiseikan.jpROR OpenAlex
World rank, all time
#40,330
of 42,892
Rank in Japan
#1,910
of 2,112
Research works
265
▼ 7% vs 2013–17
Citations
2.4k
9.0 per fractional work
Top-10% rate
1.2%
record average 16.5%
Open access
48%
world 28%

What is Yamagata City Hospital Saiseikan 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 #17,299 of 17,978 3.0%215
Health SciencesDomain #19,906 of 20,462 2.9%222

Each strip is that field’s whole ranked pool, with the notch where Yamagata City Hospital Saiseikan 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).

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: 0.62× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 1.06× its world share, 0 worksImmunology and Micro…Neuroscience: 0.74× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 3.19× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.02× its world share, 0 worksComputer ScienceEngineering: 0.13× its world share, 1 worksEngineeringMathematics: 0.48× its world share, 0 worksMathematicsPhysics and Astronomy: 0.17× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.88× its world share, 1 worksHealth ProfessionsMedicine: 4.45× its world share, 38 worksMedicineNursing: 1.53× its world share, 0 worksNursingArts and Humanities: 0.06× its world share, 0 worksArts and HumanitiesDecision Sciences: 0.42× its world share, 0 worksDecision SciencesPsychology: 0.24× its world share, 0 worksPsychologySocial Sciences: 0.02× 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 Yamagata City Hospital Saiseikan?

Ranked on the composite score, Hiroaki Takeda and Takahiko Tsunoda lead among researchers whose main affiliation is Yamagata City Hospital Saiseikan.

  1. 1 Hiroaki Takeda Japan · #1,271,691 worldwide 35 citations · 18 works
  2. 2 Takahiko Tsunoda Japan · #1,497,493 worldwide 4 citations · 18 works
All ranked researchers at Yamagata City Hospital Saiseikan

Which keywords describe research at Yamagata City Hospital Saiseikan?

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

▲ 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. Epidemiology7▲ 3.9×26 topics
  2. Diagnosis4▲ 9.1×10 topics
  3. Treatment4▲ 6.7×10 topics
  4. Inflammation4▲ 3.8×13 topics
  5. Risk Factors3▲ 6.2×7 topics
  6. Complications3▲ 13×6 topics
  7. Clinical Practice Guidelines2▲ 10×7 topics
  8. Endovascular Treatment2▲ 94×2 topics
  9. Quality of Life2▲ 3.7×5 topics
  10. Rehabilitation2▲ 11×6 topics
  11. Clinical Management2▲ 23×3 topics
  12. Revision Surgery2▲ 32×2 topics
  13. Total Hip Replacement2▲ 32×2 topics
  14. Antithrombotic Therapy2▲ 48×2 topics
  15. Deep Vein Thrombosis2▲ 48×2 topics
  16. Diabetes2▲ 7.3×4 topics
  17. Genetic Mutations2▲ 8.4×6 topics
  18. Radiosurgery2▲ 39×2 topics
  19. Revascularization2▲ 21×3 topics
  20. Autoantibodies1▲ 13×2 topics
  21. Guidelines1▲ 6.6×5 topics
  22. Aneurysmal Subarachnoid Hemorrhage1▲ 82×1 topic
  23. Angioplasty1▲ 48×2 topics
  24. Cytokines1▲ 10×2 topics
  25. Endothelial Dysfunction1▲ 13×3 topics
  26. Intracranial Aneurysms1▲ 82×1 topic
  27. Pregnancy1▲ 14×4 topics
  28. Prevention1▲ 7.2×5 topics
  29. Chronic Venous Insufficiency1▲ 130×1 topic
  30. Embolization1▲ 40×2 topics
  31. Imaging1▲ 11×3 topics
  32. Varicose Veins1▲ 130×1 topic
  33. Adults1▲ 39×2 topics
  34. Arteriovenous Malformations1▲ 113×1 topic
  35. Atherosclerosis1▲ 8.8×2 topics
  36. Athletic Training1▲ 27×2 topics
  37. Cerebral Cavernous Malformations1▲ 113×1 topic
  38. Children1▲ 10×2 topics
  39. Rheumatoid Arthritis1▲ 26×2 topics
  40. Surgery1▲ 7.1×4 topics

Which research topics does Yamagata City Hospital Saiseikan publish most on?

By volume in 2022–2025: Intracranial Aneurysms: Treatment and Complications, Diagnosis and Treatment of Venous Diseases, Vascular Malformations Diagnosis and Treatment and Gastrointestinal disorders and treatments.

Intracranial Aneurysms: …1Intracranial Aneurysms: Treatment and Complications: 1 fractional worksDiagnosis and Treatment …1Diagnosis and Treatment of Venous Diseases: 1 fractional worksVascular Malformations Diagnosis and Treatment: 1 fractional worksGastrointestinal disorders and treatments: 1 fractional worksVenous Thromboembolism Diagnosis and Management: 1 fractional worksRheumatoid Arthritis Research and Therapies: 1 fractional worksPeripheral Artery Disease Management: 1 fractional worksTotal Knee Arthroplasty …1Total Knee Arthroplasty Outcomes: 1 fractional worksOrthopaedic implants and arthroplasty: 1 fractional worksSports injuries and prevention: 1 fractional works
NeurologySurgeryInternal MedicineRheumatology1 others

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

  1. 1 Intracranial Aneurysms: Treatment and Complications Neurology 1 works
  2. 2 Diagnosis and Treatment of Venous Diseases Surgery 1 works
  3. 3 Vascular Malformations Diagnosis and Treatment Neurology 1 works
  4. 4 Gastrointestinal disorders and treatments Surgery 1 works
  5. 5 Venous Thromboembolism Diagnosis and Management Internal Medicine 1 works
  6. 6 Rheumatoid Arthritis Research and Therapies Rheumatology 1 works
  7. 7 Peripheral Artery Disease Management Surgery 1 works
  8. 8 Total Knee Arthroplasty Outcomes Surgery 1 works
  9. 9 Orthopaedic implants and arthroplasty Surgery 1 works
  10. 10 Sports injuries and prevention Orthopedics and Sports Medicine 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 available47.5%not open52.5%

World: 28% of research is openly available.

with international co-authors4.0%domestic only96.0%

World: 19% is written across borders.

How has Yamagata City Hospital Saiseikan's research output changed?

Output in 2018–2022 was 7% lower 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 Yamagata

All research institutions in Yamagata

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.