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Hospital / health system · Zwolle · Netherlands

Isala

In research, Isala stands highest in Health Sciences (#1,278 of 9,902 worldwide) and Medicine (#1,126 of 8,541 worldwide), 2022-now. Relative to its size it is most specialised in Oncology and Cardiology and Cardiovascular Medicine (Oncology is 6.9× its share of world research).

isala.nlROR OpenAlex
World rank, 2022-now
#6,169
of 22,385 · #3,428 all time
Rank in Netherlands
#52
of 197
Research works
2k
▼ 13% vs 2018-21
Citations
47k
24.1 per fractional work
Top-10% rate
14.2%
all institutions 10.0%
vs its own fields
1.07×
1.00× is exactly expected
Open access
48%
world 40%
International
18%
world 18%
Isala

What is Isala 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
Health SciencesDomain #1,278 of 9,902 14.6%258 #1086
MedicineField #1,126 of 8,541 14.4%244 #993

Each strip is that field's whole ranked pool, with the notch where Isala 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 Isala work in?

In 2022-now, 82% of research at Isala is in Health Sciences, 8% in Life Sciences. Its largest fields are Medicine (77%), Biochemistry, Genetics and Molecular Biology (6%), Health Professions (4%). It does 3.5× the world's share of Health Sciences.

Health Sciences: 288 fractional works · 82.0% of its workMedicine: 272 fractional works · 77.5% of its workSurgery: 48 fractional works · 13.8% of its workOncology: 27 fractional works · 7.7% of its workPulmonary and Respiratory Medicine: 27 fractional works · 7.6% of its workCardiology and Cardiovascular Medicine: 24 fractional works · 6.8% of its workEpidemiology: 16 fractional works · 4.6% of its workRadiology, Nuclear Medicine and Imaging: 13 fractional works · 3.8% of its workPublic Health, Environmental and Occupational Health: 11 fractional works · 3.2% of its workPediatrics, Perinatology and Child Health: 11 fractional works · 3.2% of its workEndocrinology, Diabetes and Metabolism: 9 fractional works · 2.6% of its workRheumatology: 8 fractional works · 2.2% of its workNeurology: 5 fractional works · 1.6% of its workObstetrics and Gynecology: 5 fractional works · 1.5% of its workReproductive Medicine: 5 fractional works · 1.3% of its workEmergency Medicine: 4 fractional works · 1.3% of its workPathology and Forensic Medicine: 4 fractional works · 1.2% of its workGastroenterology: 4 fractional works · 1.2% of its workOrthopedics and Sports Medicine: 4 fractional works · 1.0% of its workUrology: 4 fractional works · 1.0% of its workHematology: 4 fractional works · 1.0% of its workCritical Care and Intensive Care Medicine: 4 fractional works · 1.0% of its workPhysiology: 3 fractional works · 1.0% of its workInfectious Diseases: 3 fractional works · 0.9% of its workDermatology: 3 fractional works · 0.8% of its workPsychiatry and Mental health: 3 fractional works · 0.8% of its workGenetics: 3 fractional works · 0.7% of its workFamily Practice: 3 fractional works · 0.7% of its workRehabilitation: 2 fractional works · 0.6% of its workInternal Medicine: 2 fractional works · 0.5% of its workPharmacology: 2 fractional works · 0.5% of its workHepatology: 2 fractional works · 0.5% of its workNephrology: 1 fractional works · 0.4% of its workGeriatrics and Gerontology: 1 fractional works · 0.3% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.3% of its workImmunology and Allergy: 1 fractional works · 0.3% of its workComplementary and alternative medicine: 1 fractional works · 0.3% of its workOtorhinolaryngology: 1 fractional works · 0.3% of its workHealth Informatics: 1 fractional works · 0.3% of its workTransplantation: 1 fractional works · 0.2% of its workOphthalmology: 1 fractional works · 0.2% of its workBiochemistry: 1 fractional works · 0.2% of its workHealth Professions: 13 fractional works · 3.6% of its workGeneral Health Professions: 7 fractional works · 2.0% of its workEmergency Medical Services: 2 fractional works · 0.5% of its workSpeech and Hearing: 1 fractional works · 0.4% of its workOccupational Therapy: 1 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.5% of its workNursing: 2 fractional works · 0.6% of its workNutrition and Dietetics: 2 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDentistry: 1 fractional works · 0.2% of its workLife Sciences: 29 fractional works · 8.4% of its workBiochemistry, Genetics and Molecular Biology: 19 fractional works · 5.5% of its workMolecular Biology: 8 fractional works · 2.2% of its workCancer Research: 4 fractional works · 1.3% of its workGenetics: 4 fractional works · 1.2% of its workMolecular Medicine: 1 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.6% of its workNeuroscience: 4 fractional works · 1.1% of its workSensory Systems: 1 fractional works · 0.3% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.3% of its workCognitive Neuroscience: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workImmunology and Microbiology: 4 fractional works · 1.1% of its workImmunology: 3 fractional works · 0.8% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 1 fractional works · 0.4% of its workAgricultural and Biological Sciences: 1 fractional works · 0.3% of its workPhysical Sciences: 20 fractional works · 5.7% of its workEngineering: 13 fractional works · 3.6% of its workBiomedical Engineering: 10 fractional works · 2.9% of its workBuilding and Construction: 1 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.4% of its workComputer Science: 2 fractional works · 0.6% of its workInformation Systems: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workPhysics and Astronomy: 1 fractional works · 0.4% of its workRadiation: 1 fractional works · 0.4% of its workEnvironmental Science: 1 fractional works · 0.4% of its workMaterials Science: 1 fractional works · 0.3% of its workMathematics: 1 fractional works · 0.2% of its workChemistry: 0 fractional works · 0.1% of its workEnergy: 0 fractional works · 0.0% of its workSocial Sciences: 14 fractional works · 3.9% of its workPsychology: 3 fractional works · 0.9% of its workClinical Psychology: 1 fractional works · 0.4% of its workSmaller subfields together: 2 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 3 fractional works · 0.9% of its workEconomics and Econometrics: 3 fractional works · 0.9% of its workSocial Sciences: 3 fractional works · 0.7% of its workSociology and Political Science: 1 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.5% of its workBusiness, Management and Accounting: 2 fractional works · 0.7% of its workOrganizational Behavior and Human Resource Management: 2 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.2% of its workDecision Sciences: 1 fractional works · 0.4% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 1 fractional works · 0.3% of its workALL ITS WORKIsala351fractional works, 2022-now
Life Sciences8%Physical Sciences6%Health Sciences82%Social Sciences4%

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 24 fields, with their numbers
    1. Medicine27277.5%
    2. Health Professions133.6%
    3. Nursing20.6%
    4. Dentistry10.2%
    5. Veterinary00.0%
    1. Biochemistry, Genetics and Molecular Biology195.5%
    2. Neuroscience41.1%
    3. Immunology and Microbiology41.1%
    4. Pharmacology, Toxicology and Pharmaceutics10.4%
    5. Agricultural and Biological Sciences10.3%
    1. Engineering133.6%
    2. Computer Science20.6%
    3. Physics and Astronomy10.4%
    4. Environmental Science10.4%
    5. Materials Science10.3%
    6. Mathematics10.2%
    7. Chemistry00.1%
    8. Energy00.0%
    1. Psychology30.9%
    2. Economics, Econometrics and Finance30.9%
    3. Social Sciences30.7%
    4. Business, Management and Accounting20.7%
    5. Decision Sciences10.4%
    6. Arts and Humanities10.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Isala specialise in?

Where its research is concentrated relative to its size: Oncology takes 6.9× the share of its output that it takes of world research.

  1. OncologySubfield · 27.1 works6.9×
  2. Cardiology and Cardiovascular MedicineSubfield · 23.7 works6.4×
← 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: 0.06× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.04× its world share, 19 worksBiochemistry, Geneti…Immunology and Microbiology: 1.05× its world share, 4 worksImmunology and Micro…Neuroscience: 0.69× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.09× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.09× its world share, 0 worksChemistryComputer Science: 0.08× its world share, 2 worksComputer ScienceEnergy: 0.05× its world share, 0 worksEnergyEngineering: 0.24× its world share, 13 worksEngineeringEnvironmental Science: 0.08× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.08× its world share, 1 worksMaterials ScienceMathematics: 0.15× its world share, 1 worksMathematicsPhysics and Astronomy: 0.18× its world share, 1 worksPhysics and AstronomyDentistry: 0.45× its world share, 1 worksDentistryHealth Professions: 1.37× its world share, 13 worksHealth ProfessionsMedicine: 4.03× its world share, 272 worksMedicineNursing: 1.33× its world share, 2 worksNursingVeterinary: 0.14× its world share, 0 worksVeterinaryArts and Humanities: 0.12× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.21× its world share, 2 worksBusiness, Management…Decision Sciences: 0.43× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.40× its world share, 3 worksEconomics, Econometr…Psychology: 0.29× its world share, 3 worksPsychologySocial Sciences: 0.06× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.0×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Medicine4.03×272 works
  2. Health Professions1.37×13 works
  3. Nursing1.33×2 works
  4. Pharmacology, Toxicology and Pharmaceutics1.09×1 works
  5. Immunology and Microbiology1.05×4 works
  6. Biochemistry, Genetics and Molecular Biology1.04×19 works
  7. Neuroscience0.69×4 works
  8. Dentistry0.45×1 works
  9. Decision Sciences0.43×1 works
  10. Economics, Econometrics and Finance0.40×3 works
  11. Psychology0.29×3 works
  12. Engineering0.24×13 works
  13. Business, Management and Accounting0.21×2 works
  14. Physics and Astronomy0.18×1 works
  15. Mathematics0.15×1 works
  16. Veterinary0.14×0 works
  17. Arts and Humanities0.12×1 works
  18. Chemistry0.09×0 works
  19. Computer Science0.08×2 works
  20. Environmental Science0.08×1 works
  21. Materials Science0.08×1 works
  22. Agricultural and Biological Sciences0.06×1 works
  23. Social Sciences0.06×3 works
  24. Energy0.05×0 works

Who are the top researchers at Isala?

Ranked on the quality score, Gijs A. Patijn, Renicus Suffridus Hermanides and Jan Willem B. de Groot lead among researchers whose main affiliation is Isala.

  1. 1 Gijs A. Patijn Netherlands · #120,930 worldwide 8.2k citations · 149 works
  2. 2 Renicus Suffridus Hermanides Netherlands · #278,678 worldwide 4.2k citations · 103 works
  3. 3 Jan Willem B. de Groot Netherlands · #282,431 worldwide 8.2k citations · 212 works
  4. 4 Elvin Kedhi Netherlands · #322,094 worldwide 7.3k citations · 246 works
  5. 5 Arif Elvan Netherlands · #329,171 worldwide 12k citations · 223 works
  6. 6 Thomas A. Meijers Netherlands · #329,453 worldwide 1.8k citations · 19 works
  7. 7 Robert E. G. J. M. Pierik Netherlands · #343,850 worldwide 1.7k citations · 21 works
  8. 8 Dick van Geldere Netherlands · #349,252 worldwide 2k citations · 32 works
  9. 9 Gijsbert A. Patijn Netherlands · #350,087 worldwide 2k citations · 37 works
  10. 10 Arnoud W.J. van ’t Hof Netherlands · #354,754 worldwide 24k citations · 644 works
All ranked researchers at Isala

What are the most cited papers from Isala?

The most cited paper from Isala is "A Randomized Trial of Intraarterial Treatment for Acute Ischemic Stroke" (Olvert A. Berkhemer et al., 2014), with 6,707 citations. Next come "Early Rhythm-Control Therapy in Patients with Atrial Fibrillation" (2,193) and "Cryoballoon or Radiofrequency Ablation for Paroxysmal Atrial Fibrillation" (1,960).

Most cited papers
#PaperReleasedCitations
1 A Randomized Trial of Intraarterial Treatment for Acute Ischemic Stroke Olvert A. Berkhemer et al. · New England Journal of Medicine Open access 17 Dec 2014 6,707
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 Cryoballoon or Radiofrequency Ablation for Paroxysmal Atrial Fibrillation Karl-Heinz Kuck, Josép Brugada, Alexander Fürnkranz et al. · New England Journal of Medicine Open access 4 Apr 2016 1,960
4 Use of clopidogrel with or without aspirin in patients taking oral anticoagulant therapy and undergoing percutaneous coronary intervention: an open-label, randomised, controlled trial Willem J.M. Dewilde, Tom Oirbans, Freek W.A. Verheugt et al. · The Lancet 12 Feb 2013 1,725
5 Time Delay to Treatment and Mortality in Primary Angioplasty for Acute Myocardial Infarction Giuseppe De Luca, Harry Suryapranata, Jan Paul Ottervanger et al. · Circulation 9 Mar 2004 1,557
All 60 most cited papers, with filters and sorting

Which keywords describe research at Isala?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Clinical Practice Guidelines, Chemotherapy, Quality of Life, Complications, Guidelines, Neoadjuvant Therapy and Survival Analysis.

▲ 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. Epidemiology48▲ 3.4×93 topics
  2. Quality of Life21▲ 4.1×32 topics
  3. Chemotherapy17▲ 6.9×22 topics
  4. Clinical Practice Guidelines17▲ 8.6×14 topics
  5. Complications14▲ 7.9×16 topics
  6. Inflammation14▲ 1.84×46 topics
  7. Guidelines13▲ 8.0×12 topics
  8. Diagnosis13▲ 4.0×30 topics
  9. Management13▲ 4.6×26 topics
  10. Cardiovascular Disease12▲ 3.1×27 topics
  11. Neoadjuvant Therapy12▲ 15×5 topics
  12. Immunotherapy12▲ 4.8×16 topics
  13. Risk Factors12▲ 3.0×23 topics
  14. Survival Analysis11▲ 12×6 topics
  15. Radiotherapy10▲ 7.2×11 topics
  16. Rehabilitation10▲ 7.1×10 topics
  17. Treatment10▲ 2.3×31 topics
  18. Heart Failure9▲ 5.9×13 topics
  19. Mortality9▲ 4.5×11 topics
  20. Myocardial Infarction8▲ 9.5×7 topics
  21. Surgical Management8▲ 5.4×17 topics
  22. Surgical Treatment7▲ 11×5 topics
  23. Percutaneous Coronary Intervention7▲ 15×4 topics
  24. Critical Care7▲ 8.1×8 topics
  25. Urinary Incontinence7▲ 24×2 topics
  26. Echocardiography6▲ 6.5×6 topics
  27. Clinical Outcomes6▲ 8.3×6 topics
  28. Atherosclerosis6▲ 6.1×5 topics
  29. Patient Satisfaction6▲ 5.6×6 topics
  30. Magnetic Resonance Imaging6▲ 6.8×5 topics
  31. Health-related Quality of Life6▲ 6.9×5 topics
  32. Laparoscopic Surgery6▲ 13×4 topics
  33. Anticoagulant Therapy5▲ 12×3 topics
  34. Preoperative Chemoradiotherapy5▲ 19×2 topics
  35. Melanoma5▲ 24×2 topics
  36. Tumor Staging5▲ 13×2 topics
  37. Adjuvant Chemotherapy5▲ 21×2 topics
  38. Glycemic Control5▲ 9.2×4 topics
  39. Molecular Characterization5▲ 8.3×5 topics
  40. Molecular Subtypes5▲ 17×3 topics

Which research topics does Isala publish most on?

By volume in 2022-now: Colorectal Cancer Surgical Treatments, Pelvic floor disorders treatments, Orthopedic Surgery and Rehabilitation and Cardiac Imaging and Diagnostics.

Colorectal Cancer Surgic…4Colorectal Cancer Surgical Treatments: 4 fractional worksPelvic floor disorders t…4Pelvic floor disorders treatments: 4 fractional worksOrthopedic Surgery and Rehabilitation: 4 fractional worksCardiac Imaging and Diag…4Cardiac Imaging and Diagnostics: 4 fractional worksCutaneous Melanoma Detec…4Cutaneous Melanoma Detection and Management: 4 fractional worksBreast Cancer Treatment Studies: 4 fractional worksAtrial Fibrillation Management and Outcomes: 3 fractional worksGastric Cancer Managemen…3Gastric Cancer Management and Outcomes: 3 fractional worksCoronary Interventions and Diagnostics: 3 fractional worksTotal Knee Arthroplasty Outcomes: 3 fractional works
OncologyRheumatologySurgeryRadiology, Nuclear Medicine and Imaging3 others

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

  1. 1 Colorectal Cancer Surgical Treatments Oncology 4 works
  2. 2 Pelvic floor disorders treatments Rheumatology 4 works
  3. 3 Orthopedic Surgery and Rehabilitation Surgery 4 works
  4. 4 Cardiac Imaging and Diagnostics Radiology, Nuclear Medicine and Imaging 4 works
  5. 5 Cutaneous Melanoma Detection and Management Oncology 4 works
  6. 6 Breast Cancer Treatment Studies Cancer Research 4 works
  7. 7 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 3 works
  8. 8 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 3 works
  9. 9 Coronary Interventions and Diagnostics Surgery 3 works
  10. 10 Total Knee Arthroplasty Outcomes Surgery 3 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 available47.7%not open52.3%

World: 40% of research is openly available.

with international co-authors17.5%domestic only82.5%

World: 18% is written across borders.

How has Isala's research output changed?

Output in 2022-2025 was 13% 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 Isala as a percentage of every work published that year, 0.0013% in 2024.

still counting0.0020%0.0040%Isala0.0013% in 20251990200020102020

Fractional works of Isala 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%Isala12.0% 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 18.3% in 2004.

Other research institutions in Zwolle

All research institutions in Zwolle

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Isala on Science Explorer

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