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Hospital / health system · Athens · Greece

Hygeia Hospital

In research, Hygeia Hospital stands highest in Medicine (#5,678 of 10,443 worldwide) and Health Sciences (#6,983 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Cardiology and Cardiovascular Medicine and Surgery — Cardiology and Cardiovascular Medicine is 15.1× its share of world research.

hygeia.grROR OpenAlex
World rank, 2022–2025
#10,288
of 28,054 · #16,183 all time
Rank in Greece
#54
of 124
Research works
842
▲ 34% vs 2013–17
Citations
12k
14.2 per fractional work
Top-10% rate
15.0%
record average 16.5%
Open access
38%
world 28%

What is Hygeia 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 #5,678 of 10,443 14.2%117 #6511
Health SciencesDomain #6,983 of 11,982 14.3%119 #8295

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

What does Hygeia Hospital specialise in?

Where its research is concentrated relative to its size: Cardiology and Cardiovascular Medicine takes 15.1× the share of its output that it takes of world research.

  1. Cardiology and Cardiovascular MedicineSubfield · 23.0 works15×
  2. SurgerySubfield · 21.1 works6.2×
← 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: 0.01× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.34× its world share, 10 worksBiochemistry, Geneti…Immunology and Microbiology: 1.69× its world share, 2 worksImmunology and Micro…Neuroscience: 0.75× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.02× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.01× its world share, 0 worksChemistryComputer Science: 0.04× its world share, 0 worksComputer ScienceEngineering: 0.12× its world share, 3 worksEngineeringEnvironmental Science: 0.32× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.06× its world share, 0 worksMaterials ScienceMathematics: 0.02× its world share, 0 worksMathematicsPhysics and Astronomy: 0.77× its world share, 2 worksPhysics and AstronomyDentistry: 0.25× its world share, 0 worksDentistryHealth Professions: 0.31× its world share, 1 worksHealth ProfessionsMedicine: 4.21× its world share, 117 worksMedicineNursing: 0.56× its world share, 0 worksNursingVeterinary: 0.21× its world share, 0 worksVeterinaryArts and Humanities: 0.07× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.04× its world share, 0 worksBusiness, Management…Decision Sciences: 0.05× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.30× its world share, 1 worksEconomics, Econometr…Psychology: 0.14× its world share, 1 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, 4.2×. Every wedge is a field page.

Who are the top researchers at Hygeia Hospital?

Ranked on the composite score, Christos Georgalas, Konstantinos Spargias and Evangelia Razis lead among researchers whose main affiliation is Hygeia Hospital.

  1. 1 Christos Georgalas Greece · #561,921 worldwide 34 citations · 27 works
  2. 2 Konstantinos Spargias Greece · #923,000 worldwide 25 citations · 18 works
  3. 3 Evangelia Razis Greece · #934,780 worldwide 43 citations · 16 works
  4. 4 Efi Koutsouveli Greece · #1,068,942 worldwide 7 citations · 18 works
All ranked researchers at Hygeia Hospital

Which keywords describe research at Hygeia Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Chemotherapy, Immunotherapy, Heart Failure, Treatment, Surgical Aortic-Valve Replacement, Transcatheter Aortic-Valve Replacement and Diagnosis.

▲ 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. Epidemiology18▲ 3.1×65 topics
  2. Inflammation9▲ 2.9×41 topics
  3. Treatment8▲ 4.7×24 topics
  4. Chemotherapy8▲ 7.5×20 topics
  5. Immunotherapy7▲ 7.1×14 topics
  6. Diagnosis7▲ 5.3×23 topics
  7. Heart Failure7▲ 11×11 topics
  8. Surgical Aortic-Valve Replacement6▲ 60×1 topic
  9. Transcatheter Aortic-Valve Replacement6▲ 60×1 topic
  10. Echocardiography6▲ 15×7 topics
  11. Guidelines6▲ 8.5×11 topics
  12. Genetic Mutations6▲ 9.2×14 topics
  13. Complications5▲ 7.5×10 topics
  14. Surgical Management5▲ 8.7×15 topics
  15. Cardiovascular Disease5▲ 3.2×18 topics
  16. Clinical Trials5▲ 4.8×10 topics
  17. Prognostic Factors4▲ 7.0×11 topics
  18. Obesity4▲ 4.0×12 topics
  19. Radiotherapy4▲ 7.4×9 topics
  20. Catheter Ablation4▲ 23×2 topics
  21. Clinical Guidelines4▲ 9.5×6 topics
  22. Cardiovascular Risk4▲ 7.7×6 topics
  23. Targeted Therapy3▲ 10×4 topics
  24. Tumor Microenvironment3▲ 5.3×5 topics
  25. Antibiotic Resistance3▲ 6.1×9 topics
  26. Stroke Prevention3▲ 19×2 topics
  27. Atrial Fibrillation3▲ 22×2 topics
  28. Endovascular Repair3▲ 26×3 topics
  29. Arrhythmias3▲ 22×2 topics
  30. Endoscopic Surgery3▲ 19×3 topics
  31. Metastasis3▲ 5.5×7 topics
  32. Atherosclerosis3▲ 6.3×6 topics
  33. Dosimetry3▲ 25×2 topics
  34. Sudden Cardiac Death3▲ 22×2 topics
  35. Anticoagulant Therapy2▲ 13×2 topics
  36. Image-Guided Radiotherapy2▲ 40×1 topic
  37. Radiotherapy Physics2▲ 40×1 topic
  38. Risk Stratification2▲ 23×1 topic
  39. Thromboembolism2▲ 23×1 topic
  40. Treatment Guidelines2▲ 7.6×4 topics

Which research topics does Hygeia Hospital publish most on?

By volume in 2022–2025: Cardiac Valve Diseases and Treatments, Advanced Radiotherapy Techniques, Atrial Fibrillation Management and Outcomes and Effects and risks of endocrine disrupting chemicals.

Cardiac Valve Diseases a…6Cardiac Valve Diseases and Treatments: 6 fractional worksAdvanced Radiotherapy Techniques: 2 fractional worksAtrial Fibrillation Management and Outcomes: 2 fractional worksEffects and risks of endocrine disrupting chemicals: 2 fractional worksCardiovascular Function and Risk Factors: 2 fractional worksAortic Disease and Treatment Approaches: 2 fractional worksPancreatic and Hepatic O…2Pancreatic and Hepatic Oncology Research: 2 fractional worksInfective Endocarditis Diagnosis and Management: 2 fractional worksCardiac Arrhythmias and Treatments: 2 fractional worksHead and Neck Surgical Oncology: 1 fractional works
Cardiology and Cardiovascular MedicineRadiationHealth, Toxicology and MutagenesisPulmonary and Respiratory Medicine3 others

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

  1. 1 Cardiac Valve Diseases and Treatments Cardiology and Cardiovascular Medicine 6 works
  2. 2 Advanced Radiotherapy Techniques Radiation 2 works
  3. 3 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 2 works
  4. 4 Effects and risks of endocrine disrupting chemicals Health, Toxicology and Mutagenesis 2 works
  5. 5 Cardiovascular Function and Risk Factors Cardiology and Cardiovascular Medicine 2 works
  6. 6 Aortic Disease and Treatment Approaches Pulmonary and Respiratory Medicine 2 works
  7. 7 Pancreatic and Hepatic Oncology Research Oncology 2 works
  8. 8 Infective Endocarditis Diagnosis and Management Epidemiology 2 works
  9. 9 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 2 works
  10. 10 Head and Neck Surgical Oncology Surgery 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 available37.6%not open62.4%

World: 28% of research is openly available.

with international co-authors25.1%domestic only74.9%

World: 19% is written across borders.

How has Hygeia Hospital's research output changed?

Output in 2018–2022 was 34% 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 Athens

All research institutions in Athens

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.