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Hospital / health system · Sofia · Bulgaria

Tokuda Hospital

In research, Tokuda Hospital stands highest in Medicine (#8,848 of 10,443 worldwide) and Health Sciences (#10,625 of 11,982 worldwide), 2022–2025.

tokudabolnica.bg/enROR OpenAlex
World rank, 2022–2025
#23,250
of 28,054 · #30,798 all time
Rank in Bulgaria
#74
of 92
Research works
339
▲ 23% vs 2013–17
Citations
2.3k
6.7 per fractional work
Top-10% rate
4.0%
record average 16.5%
Open access
58%
world 28%

What is Tokuda Hospital known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #8,848 of 10,443 3.4%94 #11637
Health SciencesDomain #10,625 of 11,982 3.5%95 #14512

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

Agricultural and Biological Sciences: 0.07× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.71× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 3.37× its world share, 4 worksImmunology and Micro…Neuroscience: 1.68× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.22× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.06× its world share, 0 worksChemistryComputer Science: 0.06× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.04× its world share, 0 worksEarth and Planetary …Engineering: 0.09× its world share, 2 worksEngineeringEnvironmental Science: 0.10× its world share, 1 worksEnvironmental ScienceDentistry: 0.81× its world share, 0 worksDentistryHealth Professions: 0.41× its world share, 1 worksHealth ProfessionsMedicine: 4.37× its world share, 94 worksMedicineNursing: 0.08× its world share, 0 worksNursingVeterinary: 0.88× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.10× its world share, 0 worksEconomics, Econometr…Psychology: 0.07× its world share, 0 worksPsychologySocial Sciences: 0.04× 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, 4.4×. Every wedge is a field page.

Who are the top researchers at Tokuda Hospital?

Ranked on the composite score, Vassil Traykov and Razvigor Darlenski lead among researchers whose main affiliation is Tokuda Hospital.

  1. 1 Vassil Traykov Bulgaria · #295,327 worldwide 227 citations · 15 works
  2. 2 Razvigor Darlenski Bulgaria · #1,598,144 worldwide 6 citations · 17 works
All ranked researchers at Tokuda Hospital

Which keywords describe research at Tokuda Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Treatment, Chemotherapy, Guidelines, Surgical Management, Clinical Practice Guidelines and Catheter Ablation.

▲ 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. Epidemiology14▲ 3.2×56 topics
  2. Diagnosis8▲ 7.4×22 topics
  3. Treatment8▲ 5.6×26 topics
  4. Chemotherapy6▲ 7.9×13 topics
  5. Inflammation6▲ 2.5×24 topics
  6. Guidelines5▲ 10×8 topics
  7. Immunotherapy5▲ 6.3×11 topics
  8. Surgical Management5▲ 11×15 topics
  9. Clinical Practice Guidelines5▲ 7.7×11 topics
  10. Catheter Ablation4▲ 34×2 topics
  11. Hepatocellular Carcinoma4▲ 19×3 topics
  12. Management4▲ 5.1×12 topics
  13. Neoadjuvant Therapy4▲ 16×5 topics
  14. Stroke Prevention4▲ 28×2 topics
  15. Metabolic Syndrome4▲ 4.1×9 topics
  16. Cholangiocarcinoma4▲ 41×2 topics
  17. Cholecystitis3▲ 72×1 topic
  18. ERCP3▲ 72×1 topic
  19. Tumor Microenvironment3▲ 6.9×5 topics
  20. Complications3▲ 6.0×12 topics
  21. Radiofrequency Ablation3▲ 28×2 topics
  22. Anticoagulant Therapy3▲ 23×3 topics
  23. Atrial Fibrillation3▲ 29×2 topics
  24. Risk Stratification3▲ 37×1 topic
  25. Thromboembolism3▲ 37×1 topic
  26. Gemcitabine3▲ 36×1 topic
  27. Pancreatic Cancer3▲ 24×2 topics
  28. Surgical Complications3▲ 32×1 topic
  29. Immune Response3▲ 4.4×13 topics
  30. Insulin Resistance3▲ 5.4×4 topics
  31. Heart Failure3▲ 5.4×7 topics
  32. Liver Transplantation3▲ 19×3 topics
  33. NAFLD2▲ 19×1 topic
  34. NASH2▲ 19×1 topic
  35. Echocardiography2▲ 8.0×5 topics
  36. Pathophysiology2▲ 7.3×7 topics
  37. Etiology2▲ 31×3 topics
  38. Immune System2▲ 8.1×3 topics
  39. Laparoscopic Surgery2▲ 17×4 topics
  40. Survival2▲ 14×3 topics

Which research topics does Tokuda Hospital publish most on?

By volume in 2022–2025: Gallbladder and Bile Duct Disorders, Atrial Fibrillation Management and Outcomes, Pancreatic and Hepatic Oncology Research and Liver Disease Diagnosis and Treatment.

Gallbladder and Bile Duc…3Gallbladder and Bile Duct Disorders: 3 fractional worksAtrial Fibrillation Mana…3Atrial Fibrillation Management and Outcomes: 3 fractional worksPancreatic and Hepatic O…3Pancreatic and Hepatic Oncology Research: 3 fractional worksLiver Disease Diagnosis …2Liver Disease Diagnosis and Treatment: 2 fractional worksEsophageal and GI Pathology: 2 fractional worksPediatric Hepatobiliary Diseases and Treatments: 2 fractional worksEEG and Brain-Computer I…2EEG and Brain-Computer Interfaces: 2 fractional worksHepatocellular Carcinoma Treatment and Prognosis: 2 fractional worksCardiac Arrhythmias and Treatments: 2 fractional worksSpaceflight effects on b…2Spaceflight effects on biology: 2 fractional works
Pulmonary and Respiratory MedicineCardiology and Cardiovascular MedicineOncologyEpidemiology4 others

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

  1. 1 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 3 works
  2. 2 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 3 works
  3. 3 Pancreatic and Hepatic Oncology Research Oncology 3 works
  4. 4 Liver Disease Diagnosis and Treatment Epidemiology 2 works
  5. 5 Esophageal and GI Pathology Surgery 2 works
  6. 6 Pediatric Hepatobiliary Diseases and Treatments Surgery 2 works
  7. 7 EEG and Brain-Computer Interfaces Cognitive Neuroscience 2 works
  8. 8 Hepatocellular Carcinoma Treatment and Prognosis Hepatology 2 works
  9. 9 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 2 works
  10. 10 Spaceflight effects on biology Physiology 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 available57.5%not open42.5%

World: 28% of research is openly available.

with international co-authors24.7%domestic only75.3%

World: 19% is written across borders.

How has Tokuda Hospital's research output changed?

Output in 2018–2022 was 23% 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 Sofia

All research institutions in Sofia

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.