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Hospital / health system · Sendai · Japan

Sendai City Hospital

In research, Sendai City Hospital stands highest in Medicine (#12,812 of 17,978 worldwide) and Health Sciences (#15,037 of 20,462 worldwide), over all time.

hospital.city.sendai.jpROR OpenAlex
World rank, 2022–2025
#26,204
of 28,054 · #34,338 all time
Rank in Japan
#948
of 1,070
Research works
430
▲ 14% vs 2013–17
Citations
4.6k
10.7 per fractional work
Top-10% rate
5.6%
record average 16.5%
Open access
46%
world 28%

What is Sendai City Hospital 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 #12,812 of 17,978 4.9%344
Health SciencesDomain #15,037 of 20,462 5.3%358

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

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.

Biochemistry, Genetics and Molecular Biology: 1.00× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 2.21× its world share, 2 worksImmunology and Micro…Neuroscience: 0.30× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.76× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.24× its world share, 0 worksChemistryEngineering: 0.09× its world share, 1 worksEngineeringEnvironmental Science: 0.11× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.33× its world share, 0 worksPhysics and AstronomyDentistry: 0.54× its world share, 0 worksDentistryHealth Professions: 0.83× its world share, 2 worksHealth ProfessionsMedicine: 4.29× its world share, 56 worksMedicineNursing: 4.93× its world share, 2 worksNursingBusiness, Management and Accounting: 0.02× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.05× its world share, 0 worksEconomics, Econometr…Psychology: 0.03× its world share, 0 worksPsychologySocial Sciences: 0.05× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Nursing, 4.9×. Every wedge is a field page.

Who are the top researchers at Sendai City Hospital?

Ranked on the composite score, Motonobu Kameyama, Tetsuo Yagi and Akihiko Ishida lead among researchers whose main affiliation is Sendai City Hospital.

  1. 1 Motonobu Kameyama Japan · #526,066 worldwide 40 citations · 23 works
  2. 2 Tetsuo Yagi Japan · #927,513 worldwide 19 citations · 24 works
  3. 3 Akihiko Ishida Japan · #1,402,337 worldwide 10 citations · 15 works
All ranked researchers at Sendai City Hospital

Which keywords describe research at Sendai City Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Catheter Ablation, Diagnosis, Surgical Management, Arrhythmias, Guidelines, Prognosis and 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. Epidemiology10▲ 3.9×44 topics
  2. Diagnosis4▲ 6.9×15 topics
  3. Catheter Ablation4▲ 52×2 topics
  4. Inflammation4▲ 2.8×17 topics
  5. Surgical Management4▲ 13×13 topics
  6. Treatment4▲ 4.5×13 topics
  7. Risk Factors4▲ 4.6×9 topics
  8. Arrhythmias3▲ 52×2 topics
  9. Guidelines3▲ 9.6×7 topics
  10. Prognosis3▲ 14×6 topics
  11. Anticoagulant Therapy3▲ 34×3 topics
  12. Clinical Practice Guidelines3▲ 7.0×11 topics
  13. Complications3▲ 7.7×9 topics
  14. Management3▲ 4.9×13 topics
  15. Quality of Life2▲ 2.5×10 topics
  16. Atrial Fibrillation2▲ 34×2 topics
  17. Stroke Prevention2▲ 28×2 topics
  18. Heart Failure2▲ 7.4×6 topics
  19. Radiofrequency Ablation2▲ 30×2 topics
  20. Electroanatomic Mapping2▲ 63×1 topic
  21. Rehabilitation2▲ 7.6×6 topics
  22. Risk Stratification2▲ 44×1 topic
  23. Thromboembolism2▲ 44×1 topic
  24. Ventricular Tachycardia2▲ 63×1 topic
  25. Chemotherapy2▲ 4.3×9 topics
  26. Endovascular Repair2▲ 36×3 topics
  27. Genetic Susceptibility2▲ 31×5 topics
  28. Stroke2▲ 16×4 topics
  29. Sudden Cardiac Death2▲ 32×2 topics
  30. Echocardiography2▲ 9.0×4 topics
  31. Genetic Mutations2▲ 5.3×10 topics
  32. Global Burden2▲ 4.3×5 topics
  33. Prognostic Factors2▲ 5.3×6 topics
  34. Elderly2▲ 8.8×3 topics
  35. Surgery2▲ 6.2×6 topics
  36. Thrombus Formation2▲ 29×2 topics
  37. SARS-CoV-21▲ 6.2×4 topics
  38. Chronic Kidney Disease1▲ 8.0×4 topics
  39. Prevention Guidelines1▲ 17×2 topics
  40. Therapeutic Targets1▲ 12×2 topics

Which research topics does Sendai City Hospital publish most on?

By volume in 2022–2025: Atrial Fibrillation Management and Outcomes, Cardiac Arrhythmias and Treatments, Cardiac electrophysiology and arrhythmias and Cardiovascular Syncope and Autonomic Disorders.

Atrial Fibrillation Management and Outcomes: 2 fractional worksCardiac Arrhythmias and Treatments: 2 fractional worksCardiac electrophysiology and arrhythmias: 1 fractional worksCardiovascular Syncope and Autonomic Disorders: 1 fractional worksDysphagia Assessment and Management: 1 fractional worksNutrition and Health in Aging: 1 fractional worksAortic aneurysm repair t…1Aortic aneurysm repair treatments: 1 fractional worksAcute Ischemic Stroke Ma…1Acute Ischemic Stroke Management: 1 fractional worksPotassium and Related Di…1Potassium and Related Disorders: 1 fractional worksVenous Thromboembolism D…1Venous Thromboembolism Diagnosis and Management: 1 fractional works
Cardiology and Cardiovascular MedicineSurgerySpeech and HearingPhysiology3 others

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

  1. 1 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 2 works
  2. 2 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 2 works
  3. 3 Cardiac electrophysiology and arrhythmias Cardiology and Cardiovascular Medicine 1 works
  4. 4 Cardiovascular Syncope and Autonomic Disorders Surgery 1 works
  5. 5 Dysphagia Assessment and Management Speech and Hearing 1 works
  6. 6 Nutrition and Health in Aging Physiology 1 works
  7. 7 Aortic aneurysm repair treatments Pulmonary and Respiratory Medicine 1 works
  8. 8 Acute Ischemic Stroke Management Epidemiology 1 works
  9. 9 Potassium and Related Disorders Pulmonary and Respiratory Medicine 1 works
  10. 10 Venous Thromboembolism Diagnosis and Management Internal 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 available45.5%not open54.5%

World: 28% of research is openly available.

with international co-authors6.2%domestic only93.8%

World: 19% is written across borders.

How has Sendai City Hospital's research output changed?

Output in 2018–2022 was 14% 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 Sendai

All research institutions in Sendai

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.