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Hospital / health system · Athens · Greece

Hygeia Hospital

In research, Hygeia Hospital stands highest in Medicine (#3,883 of 8,541 worldwide) and Health Sciences (#4,787 of 9,902 worldwide), 2022-now. Relative to its size it is most specialised in Cardiology and Cardiovascular Medicine and Surgery (Cardiology and Cardiovascular Medicine is 14.0× its share of world research).

hygeia.grROR OpenAlex
World rank, 2022-now
#17,241
of 22,385 · #14,256 all time
Rank in Greece
#74
of 111
Research works
842
▼ 31% vs 2018-21
Citations
12k
14.2 per fractional work
Top-10% rate
12.3%
all institutions 10.0%
vs its own fields
0.97×
1.00× is exactly expected
Open access
38%
world 40%
International
25%
world 18%
Hygeia Hospital

What is Hygeia Hospital 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 #3,883 of 8,541 10.9%117 #3923
Health SciencesDomain #4,787 of 9,902 10.9%119 #4768

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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Hygeia Hospital work in?

In 2022-now, 82% of research at Hygeia Hospital is in Health Sciences, 10% in Life Sciences. Its largest fields are Medicine (80%), Biochemistry, Genetics and Molecular Biology (7%), Engineering (2%). It does 3.4× the world's share of Health Sciences.

Health Sciences: 141 fractional works · 81.9% of its workMedicine: 138 fractional works · 80.0% of its workCardiology and Cardiovascular Medicine: 25 fractional works · 14.7% of its workSurgery: 25 fractional works · 14.5% of its workPulmonary and Respiratory Medicine: 15 fractional works · 8.9% of its workEpidemiology: 11 fractional works · 6.5% of its workOncology: 11 fractional works · 6.1% of its workNeurology: 5 fractional works · 2.9% of its workRadiology, Nuclear Medicine and Imaging: 4 fractional works · 2.6% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 2.3% of its workEndocrinology, Diabetes and Metabolism: 4 fractional works · 2.2% of its workRheumatology: 4 fractional works · 2.2% of its workPathology and Forensic Medicine: 3 fractional works · 1.7% of its workPhysiology: 3 fractional works · 1.6% of its workInfectious Diseases: 2 fractional works · 1.2% of its workOphthalmology: 2 fractional works · 1.1% of its workOtorhinolaryngology: 2 fractional works · 1.1% of its workDermatology: 2 fractional works · 1.1% of its workPharmacology: 2 fractional works · 1.1% of its workNephrology: 2 fractional works · 1.0% of its workReproductive Medicine: 2 fractional works · 1.0% of its workGenetics: 1 fractional works · 0.7% of its workHepatology: 1 fractional works · 0.7% of its workObstetrics and Gynecology: 1 fractional works · 0.5% of its workGastroenterology: 1 fractional works · 0.5% of its workHealth Informatics: 1 fractional works · 0.5% of its workHematology: 1 fractional works · 0.4% of its workRehabilitation: 1 fractional works · 0.4% of its workPsychiatry and Mental health: 1 fractional works · 0.3% of its workGeriatrics and Gerontology: 1 fractional works · 0.3% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.3% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.3% of its workUrology: 0 fractional works · 0.3% of its workEmergency Medicine: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.8% of its workHealth Professions: 2 fractional works · 1.1% of its workGeneral Health Professions: 1 fractional works · 0.3% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 1 fractional works · 0.3% of its workEmergency Medical Services: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workVeterinary: 1 fractional works · 0.4% of its workSmall Animals: 1 fractional works · 0.4% of its workNursing: 0 fractional works · 0.3% of its workNutrition and Dietetics: 0 fractional works · 0.3% of its workDentistry: 0 fractional works · 0.1% of its workLife Sciences: 18 fractional works · 10.4% of its workBiochemistry, Genetics and Molecular Biology: 13 fractional works · 7.5% of its workMolecular Biology: 5 fractional works · 2.9% of its workGenetics: 3 fractional works · 1.6% of its workCancer Research: 2 fractional works · 1.2% of its workMolecular Medicine: 2 fractional works · 0.9% of its workClinical Biochemistry: 1 fractional works · 0.4% of its workEndocrinology: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 3 fractional works · 1.6% of its workApplied Microbiology and Biotechnology: 1 fractional works · 0.8% of its workImmunology: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNeuroscience: 2 fractional works · 1.1% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.5% of its workNeurology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workAgricultural and Biological Sciences: 0 fractional works · 0.2% of its workPhysical Sciences: 10 fractional works · 5.7% of its workEngineering: 3 fractional works · 1.7% of its workBiomedical Engineering: 2 fractional works · 1.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workEnvironmental Science: 3 fractional works · 1.6% of its workHealth, Toxicology and Mutagenesis: 2 fractional works · 1.2% of its workEcology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysics and Astronomy: 3 fractional works · 1.5% of its workRadiation: 3 fractional works · 1.5% of its workComputer Science: 1 fractional works · 0.4% of its workArtificial Intelligence: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 0 fractional works · 0.3% of its workStatistics and Probability: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.2% of its workChemistry: 0 fractional works · 0.1% of its workSocial Sciences: 3 fractional works · 2.0% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.8% of its workEconomics and Econometrics: 1 fractional works · 0.8% of its workSocial Sciences: 1 fractional works · 0.5% of its workSociology and Political Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPsychology: 1 fractional works · 0.4% of its workArts and Humanities: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 0 fractional works · 0.1% of its workDecision Sciences: 0 fractional works · 0.0% of its workALL ITS WORKHygeia Hospital172fractional works, 2022-now
Life Sciences10%Physical Sciences6%Health Sciences82%Social Sciences2%

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 23 fields, with their numbers
    1. Medicine13880.0%
    2. Health Professions21.1%
    3. Veterinary10.4%
    4. Nursing00.3%
    5. Dentistry00.1%
    1. Biochemistry, Genetics and Molecular Biology137.5%
    2. Immunology and Microbiology31.6%
    3. Neuroscience21.1%
    4. Agricultural and Biological Sciences00.2%
    5. Pharmacology, Toxicology and Pharmaceutics00.0%
    1. Engineering31.7%
    2. Environmental Science31.6%
    3. Physics and Astronomy31.5%
    4. Computer Science10.4%
    5. Mathematics00.3%
    6. Materials Science00.2%
    7. Chemistry00.1%
    1. Economics, Econometrics and Finance10.8%
    2. Social Sciences10.5%
    3. Psychology10.4%
    4. Arts and Humanities00.2%
    5. Business, Management and Accounting00.1%
    6. Decision Sciences00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Hygeia Hospital specialise in?

Where its research is concentrated relative to its size: Cardiology and Cardiovascular Medicine takes 14.0× the share of its output that it takes of world research.

  1. Cardiology and Cardiovascular MedicineSubfield · 25.3 works14×
  2. SurgerySubfield · 24.9 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: 0.04× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.40× its world share, 13 worksBiochemistry, Geneti…Immunology and Microbiology: 1.62× its world share, 3 worksImmunology and Micro…Neuroscience: 0.69× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.02× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.03× its world share, 0 worksChemistryComputer Science: 0.05× its world share, 1 worksComputer ScienceEngineering: 0.11× its world share, 3 worksEngineeringEnvironmental Science: 0.31× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 0 worksMaterials ScienceMathematics: 0.24× its world share, 0 worksMathematicsPhysics and Astronomy: 0.68× its world share, 3 worksPhysics and AstronomyDentistry: 0.21× its world share, 0 worksDentistryHealth Professions: 0.43× its world share, 2 worksHealth ProfessionsMedicine: 4.16× its world share, 138 worksMedicineNursing: 0.55× its world share, 0 worksNursingVeterinary: 2.67× its world share, 1 worksVeterinaryArts and Humanities: 0.07× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.04× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.38× its world share, 1 worksEconomics, Econometr…Psychology: 0.12× 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.

All 23 fields, with their numbers
  1. Medicine4.16×138 works
  2. Veterinary2.67×1 works
  3. Immunology and Microbiology1.62×3 works
  4. Biochemistry, Genetics and Molecular Biology1.40×13 works
  5. Neuroscience0.69×2 works
  6. Physics and Astronomy0.68×3 works
  7. Nursing0.55×0 works
  8. Health Professions0.43×2 works
  9. Economics, Econometrics and Finance0.38×1 works
  10. Environmental Science0.31×3 works
  11. Mathematics0.24×0 works
  12. Dentistry0.21×0 works
  13. Psychology0.12×1 works
  14. Engineering0.11×3 works
  15. Arts and Humanities0.07×0 works
  16. Computer Science0.05×1 works
  17. Materials Science0.05×0 works
  18. Agricultural and Biological Sciences0.04×0 works
  19. Decision Sciences0.04×0 works
  20. Social Sciences0.04×1 works
  21. Chemistry0.03×0 works
  22. Business, Management and Accounting0.03×0 works
  23. Pharmacology, Toxicology and Pharmaceutics0.02×0 works

Who are the top researchers at Hygeia Hospital?

Ranked on the quality score, Konstantinos S. Spargias, Ilias Karaiskos and Michael P. Chrissoheris lead among researchers whose main affiliation is Hygeia Hospital.

  1. 1 Konstantinos S. Spargias Greece · #159,411 worldwide 4k citations · 129 works
  2. 2 Ilias Karaiskos Greece · #178,601 worldwide 6.8k citations · 104 works
  3. 3 Michael P. Chrissoheris Greece · #546,679 worldwide 1.3k citations · 64 works
  4. 4 Olga Papalou Greece · #559,082 worldwide 962 citations · 38 works
  5. 5 Panagiota Kourkoveli Greece · #898,045 worldwide 850 citations · 35 works
  6. 6 Konstantinos Dretakis Greece · #1,215,369 worldwide 660 citations · 31 works
  7. 7 Evangelia D. Razis Greece · #1,323,427 worldwide 3.5k citations · 180 works
  8. 8 Emmanouil Brilakis Greece · #1,654,951 worldwide 672 citations · 44 works
  9. 9 Gregory Pattakos Greece · #1,913,738 worldwide 699 citations · 37 works
  10. 10 Lambrini Galani Greece · #2,381,131 worldwide 738 citations · 20 works
All ranked researchers at Hygeia Hospital

What are the most cited papers from Hygeia Hospital?

The most cited paper from Hygeia Hospital is "Epidemiology of acute kidney injury in critically ill patients: the multinational AKI-EPI study" (Eric A. J. Hoste et al., 2015), with 3,174 citations. Next come "Early Rhythm-Control Therapy in Patients with Atrial Fibrillation" (2,193) and "Summary and Recommendations of the Fifth International Workshop-Conference on Gestational Diabetes Mellitus" (1,919).

Most cited papers
#PaperReleasedCitations
1 Epidemiology of acute kidney injury in critically ill patients: the multinational AKI-EPI study Eric A. J. Hoste et al. · Intensive Care Medicine 10 Jul 2015 3,174
2 Early Rhythm-Control Therapy in Patients with Atrial Fibrillation Paulus F. Kirchhof et al. · New England Journal of Medicine Open access 29 Aug 2020 2,193
3 Summary and Recommendations of the Fifth International Workshop-Conference on Gestational Diabetes Mellitus Boyd E. Metzger, Thomas A. Buchanan, Donald R. Coustan et al. · Diabetes Care 27 Jun 2007 1,919
4 European Society of Cardiology: cardiovascular disease statistics 2021 Adam Timmis et al. · European Heart Journal Open access184 authors 20 Dec 2021 1,141
5 International Consensus Guidelines for the Optimal Use of the Polymyxins: Endorsed by the American College of Clinical Pharmacy (ACCP), European Society of Clinical Microbiology and Infectious Diseases (ESCMID), Infectious Diseases Society of America (IDSA), International Society for Anti‐infective Pharmacology (ISAP), Society of Critical Care Medicine (SCCM), and Society of Infectious Diseases Ph Brian T. Tsuji, Jason M. Pogue, Alexandre Prehn Zavascki et al. · Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy Open access 2019 985
All 60 most cited papers, with filters and sorting

Which keywords describe research at Hygeia Hospital?

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

▲ 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. Epidemiology21▲ 3.1×70 topics
  2. Inflammation10▲ 2.8×43 topics
  3. Chemotherapy9▲ 7.6×22 topics
  4. Treatment9▲ 4.3×25 topics
  5. Immunotherapy8▲ 6.8×15 topics
  6. Diagnosis8▲ 5.0×25 topics
  7. Heart Failure8▲ 10×11 topics
  8. Echocardiography7▲ 14×7 topics
  9. Surgical Aortic-Valve Replacement7▲ 55×1 topic
  10. Transcatheter Aortic-Valve Replacement7▲ 55×1 topic
  11. Genetic Mutations6▲ 8.5×15 topics
  12. Guidelines6▲ 7.9×11 topics
  13. Cardiovascular Disease6▲ 3.2×18 topics
  14. Complications6▲ 7.2×10 topics
  15. Surgical Management6▲ 8.1×15 topics
  16. Obesity5▲ 4.0×12 topics
  17. Clinical Trials5▲ 4.6×10 topics
  18. Prognostic Factors5▲ 7.0×11 topics
  19. Catheter Ablation4▲ 21×2 topics
  20. Radiotherapy4▲ 6.7×9 topics
  21. Clinical Guidelines4▲ 8.4×7 topics
  22. Clinical Practice Guidelines4▲ 4.4×12 topics
  23. Metabolic Syndrome4▲ 3.0×14 topics
  24. Antibiotic Resistance4▲ 5.9×9 topics
  25. Cardiovascular Risk4▲ 6.9×6 topics
  26. Stroke Prevention4▲ 17×2 topics
  27. Targeted Therapy4▲ 9.2×4 topics
  28. Arrhythmias3▲ 21×2 topics
  29. Atrial Fibrillation3▲ 19×2 topics
  30. Tumor Microenvironment3▲ 4.4×5 topics
  31. Endovascular Repair3▲ 22×3 topics
  32. Metastasis3▲ 5.6×7 topics
  33. Neoadjuvant Therapy3▲ 8.0×5 topics
  34. Endoscopic Surgery3▲ 18×3 topics
  35. Sudden Cardiac Death3▲ 19×2 topics
  36. Treatment Guidelines3▲ 7.7×4 topics
  37. Dosimetry3▲ 22×2 topics
  38. Prostate Cancer3▲ 11×3 topics
  39. Image-Guided Radiotherapy2▲ 34×1 topic
  40. Radiofrequency Ablation2▲ 14×2 topics

Which research topics does Hygeia Hospital publish most on?

By volume in 2022-now: Cardiac Valve Diseases and Treatments, Advanced Radiotherapy Techniques, Atrial Fibrillation Management and Outcomes and Cardiac Arrhythmias and Treatments.

Cardiac Valve Diseases a…7Cardiac Valve Diseases and Treatments: 7 fractional worksAdvanced Radiotherapy Techniques: 2 fractional worksAtrial Fibrillation Management and Outcomes: 2 fractional worksCardiac Arrhythmias and Treatments: 2 fractional worksAortic Disease and Treatment Approaches: 2 fractional worksCardiovascular Function and Risk Factors: 2 fractional worksEffects and risks of end…2Effects and risks of endocrine disrupting chemicals: 2 fractional worksPancreatic and Hepatic Oncology Research: 2 fractional worksCongenital Heart Disease Studies: 2 fractional worksInfective Endocarditis D…2Infective Endocarditis Diagnosis and Management: 2 fractional works
Cardiology and Cardiovascular MedicineRadiationPulmonary and Respiratory MedicineHealth, Toxicology and Mutagenesis2 others

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

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

World: 40% of research is openly available.

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

World: 18% is written across borders.

How has Hygeia Hospital's research output changed?

Output in 2022-2025 was 31% 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 Hygeia Hospital as a percentage of every work published that year, 0.00053% in 2024.

still counting0.0010%0.0020%Hygeia Hospital0.00072% in 20251990200020102020

Fractional works of Hygeia Hospital 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 counting10%20%Hygeia Hospital13.5% in 2025all institutions10.0% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 13.5% in 2025.

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Hygeia Hospital on Science Explorer

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