Science Explorer Back to mapMap
Discussion
Hospital / health system · Istanbul · Türkiye

Amerikan Hastanesi

In research, Amerikan Hastanesi stands highest in Medicine (#4,202 of 8,541 worldwide) and Health Sciences (#5,156 of 9,902 worldwide), 2022-now. Relative to its size it is most specialised in Surgery (Surgery is 6.6× its share of world research).

americanhospitalistanbul.orgROR OpenAlex
World rank, 2022-now
#14,649
of 22,385 · #16,122 all time
Rank in Türkiye
#235
of 297
Research works
913
▼ 4% vs 2018-21
Citations
13k
14.8 per fractional work
Top-10% rate
5.5%
all institutions 10.0%
vs its own fields
0.88×
1.00× is exactly expected
Open access
48%
world 40%
International
16%
world 18%
Amerikan Hastanesi

What is Amerikan Hastanesi 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 #4,202 of 8,541 4.5%135 #5111
Health SciencesDomain #5,156 of 9,902 4.6%141 #6092

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

In 2022-now, 78% of research at Amerikan Hastanesi is in Health Sciences, 10% in Social Sciences. Its largest fields are Medicine (74%), Social Sciences (4%), Biochemistry, Genetics and Molecular Biology (4%). It does 3.2× the world's share of Health Sciences.

Health Sciences: 161 fractional works · 78.0% of its workMedicine: 153 fractional works · 74.3% of its workSurgery: 32 fractional works · 15.4% of its workPulmonary and Respiratory Medicine: 17 fractional works · 8.1% of its workReproductive Medicine: 9 fractional works · 4.4% of its workPublic Health, Environmental and Occupational Health: 8 fractional works · 3.7% of its workEpidemiology: 7 fractional works · 3.6% of its workOncology: 7 fractional works · 3.6% of its workCardiology and Cardiovascular Medicine: 7 fractional works · 3.5% of its workObstetrics and Gynecology: 6 fractional works · 3.0% of its workPediatrics, Perinatology and Child Health: 6 fractional works · 2.9% of its workNeurology: 6 fractional works · 2.8% of its workPathology and Forensic Medicine: 6 fractional works · 2.7% of its workRadiology, Nuclear Medicine and Imaging: 5 fractional works · 2.3% of its workEndocrinology, Diabetes and Metabolism: 4 fractional works · 2.1% of its workRheumatology: 4 fractional works · 2.1% of its workInfectious Diseases: 3 fractional works · 1.6% of its workPhysiology: 3 fractional works · 1.4% of its workPsychiatry and Mental health: 3 fractional works · 1.3% of its workGenetics: 3 fractional works · 1.3% of its workAnesthesiology and Pain Medicine: 2 fractional works · 0.9% of its workUrology: 2 fractional works · 0.8% of its workRehabilitation: 1 fractional works · 0.6% of its workHematology: 1 fractional works · 0.6% of its workNephrology: 1 fractional works · 0.5% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 0.5% of its workPharmacology: 1 fractional works · 0.5% of its workHepatology: 1 fractional works · 0.5% of its workGeriatrics and Gerontology: 1 fractional works · 0.5% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.4% of its workEmergency Medicine: 1 fractional works · 0.4% of its workDermatology: 1 fractional works · 0.4% of its workTransplantation: 1 fractional works · 0.3% of its workGastroenterology: 1 fractional works · 0.3% of its workFamily Practice: 0 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.9% of its workHealth Professions: 6 fractional works · 2.8% of its workGeneral Health Professions: 3 fractional works · 1.5% of its workEmergency Medical Services: 2 fractional works · 0.8% of its workSmaller subfields together: 1 fractional works · 0.5% of its workNursing: 1 fractional works · 0.6% of its workNutrition and Dietetics: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.2% of its workDentistry: 0 fractional works · 0.1% of its workSocial Sciences: 20 fractional works · 9.9% of its workSocial Sciences: 8 fractional works · 4.0% of its workEducation: 3 fractional works · 1.3% of its workGender Studies: 2 fractional works · 1.0% of its workSociology and Political Science: 1 fractional works · 0.7% of its workCommunication: 0 fractional works · 0.2% of its workHealth: 0 fractional works · 0.2% of its workPolitical Science and International Relations: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPsychology: 4 fractional works · 2.2% of its workClinical Psychology: 2 fractional works · 0.9% of its workSocial Psychology: 1 fractional works · 0.7% of its workDevelopmental and Educational Psychology: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.3% of its workArts and Humanities: 4 fractional works · 1.7% of its workHistory: 1 fractional works · 0.5% of its workLiterature and Literary Theory: 1 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.9% of its workBusiness, Management and Accounting: 2 fractional works · 1.1% of its workManagement of Technology and Innovation: 1 fractional works · 0.3% of its workStrategy and Management: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.5% of its workEconomics and Econometrics: 0 fractional works · 0.2% of its workFinance: 0 fractional works · 0.2% of its workDecision Sciences: 1 fractional works · 0.4% of its workManagement Science and Operations Research: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workLife Sciences: 18 fractional works · 8.7% of its workBiochemistry, Genetics and Molecular Biology: 8 fractional works · 3.9% of its workMolecular Biology: 2 fractional works · 1.1% of its workGenetics: 2 fractional works · 1.0% of its workCancer Research: 1 fractional works · 0.6% of its workClinical Biochemistry: 1 fractional works · 0.3% of its workEndocrinology: 0 fractional works · 0.2% of its workBiotechnology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workImmunology and Microbiology: 6 fractional works · 2.8% of its workParasitology: 2 fractional works · 1.1% of its workImmunology: 2 fractional works · 0.8% of its workApplied Microbiology and Biotechnology: 1 fractional works · 0.3% of its workVirology: 1 fractional works · 0.3% of its workMicrobiology: 0 fractional works · 0.2% of its workNeuroscience: 3 fractional works · 1.3% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.5% of its workCognitive Neuroscience: 1 fractional works · 0.3% of its workNeurology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 1 fractional works · 0.7% of its workFood Science: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workPhysical Sciences: 7 fractional works · 3.5% of its workEngineering: 3 fractional works · 1.4% of its workBiomedical Engineering: 2 fractional works · 0.8% of its workSmaller subfields together: 1 fractional works · 0.6% of its workComputer Science: 2 fractional works · 0.8% of its workArtificial Intelligence: 1 fractional works · 0.3% of its workInformation Systems: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPhysics and Astronomy: 1 fractional works · 0.6% of its workRadiation: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 1 fractional works · 0.5% of its workManagement, Monitoring, Policy and Law: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workMathematics: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.0% of its workEarth and Planetary Sciences: 0 fractional works · 0.0% of its workALL ITS WORKAmerikanHastanesi206fractional works, 2022-now
Life Sciences9%Physical Sciences3%Health Sciences78%Social Sciences10%

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. Medicine15374.3%
    2. Health Professions62.8%
    3. Nursing10.6%
    4. Veterinary00.2%
    5. Dentistry00.1%
    1. Social Sciences84.0%
    2. Psychology42.2%
    3. Arts and Humanities41.7%
    4. Business, Management and Accounting21.1%
    5. Economics, Econometrics and Finance10.5%
    6. Decision Sciences10.4%
    1. Biochemistry, Genetics and Molecular Biology83.9%
    2. Immunology and Microbiology62.8%
    3. Neuroscience31.3%
    4. Agricultural and Biological Sciences10.7%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Engineering31.4%
    2. Computer Science20.8%
    3. Physics and Astronomy10.6%
    4. Environmental Science10.5%
    5. Mathematics00.1%
    6. Materials Science00.0%
    7. Earth and Planetary Sciences00.0%
    8. Chemistry00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Amerikan Hastanesi specialise in?

Where its research is concentrated relative to its size: Surgery takes 6.6× the share of its output that it takes of world research.

  1. SurgerySubfield · 31.8 works6.6×
← 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: 0.14× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.73× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 2.77× its world share, 6 worksImmunology and Micro…Neuroscience: 0.78× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.22× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.10× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.02× its world share, 0 worksEarth and Planetary …Engineering: 0.09× its world share, 3 worksEngineeringEnvironmental Science: 0.11× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.01× its world share, 0 worksMaterials ScienceMathematics: 0.10× its world share, 0 worksMathematicsPhysics and Astronomy: 0.27× its world share, 1 worksPhysics and AstronomyDentistry: 0.17× its world share, 0 worksDentistryHealth Professions: 1.07× its world share, 6 worksHealth ProfessionsMedicine: 3.86× its world share, 153 worksMedicineNursing: 1.24× its world share, 1 worksNursingVeterinary: 1.19× its world share, 0 worksVeterinaryArts and Humanities: 0.60× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 0.35× its world share, 2 worksBusiness, Management…Decision Sciences: 0.38× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.21× its world share, 1 worksEconomics, Econometr…Psychology: 0.72× its world share, 4 worksPsychologySocial Sciences: 0.32× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.9×. Every wedge is a field page.

All 23 fields, with their numbers
  1. Medicine3.86×153 works
  2. Immunology and Microbiology2.77×6 works
  3. Nursing1.24×1 works
  4. Veterinary1.19×0 works
  5. Health Professions1.07×6 works
  6. Neuroscience0.78×3 works
  7. Biochemistry, Genetics and Molecular Biology0.73×8 works
  8. Psychology0.72×4 works
  9. Arts and Humanities0.60×4 works
  10. Decision Sciences0.38×1 works
  11. Business, Management and Accounting0.35×2 works
  12. Social Sciences0.32×8 works
  13. Physics and Astronomy0.27×1 works
  14. Pharmacology, Toxicology and Pharmaceutics0.22×0 works
  15. Economics, Econometrics and Finance0.21×1 works
  16. Dentistry0.17×0 works
  17. Agricultural and Biological Sciences0.14×1 works
  18. Environmental Science0.11×1 works
  19. Computer Science0.10×2 works
  20. Mathematics0.10×0 works
  21. Engineering0.09×3 works
  22. Earth and Planetary Sciences0.02×0 works
  23. Materials Science0.01×0 works

Who are the top researchers at Amerikan Hastanesi?

Ranked on the quality score, Başak Balaban, Tolga Özyiğit and Cengiz Alatas lead among researchers whose main affiliation is Amerikan Hastanesi.

  1. 1 Başak Balaban Türkiye · #566,524 worldwide 8.4k citations · 194 works
  2. 2 Tolga Özyiğit Türkiye · #974,782 worldwide 2.5k citations · 30 works
  3. 3 Cengiz Alatas Türkiye · #1,271,981 worldwide 2.1k citations · 67 works
  4. 4 Ayşe Seyhan Türkiye · #1,334,476 worldwide 1.4k citations · 56 works
  5. 5 Ebru Alper Türkiye · #1,933,547 worldwide 381 citations · 17 works
  6. 6 A. Nuhoglu Türkiye · #2,047,257 worldwide 849 citations · 27 works
  7. 7 Senai Aksoy Türkiye · #2,057,035 worldwide 865 citations · 21 works
  8. 8 Bülent Urman Türkiye · #2,107,437 worldwide 6.2k citations · 288 works
  9. 9 Barış Çakır Türkiye · #2,888,914 worldwide 1k citations · 67 works
  10. 10 Kayhan Yakın Türkiye · #2,942,124 worldwide 2.4k citations · 131 works
All ranked researchers at Amerikan Hastanesi

What are the most cited papers from Amerikan Hastanesi?

The most cited paper from Amerikan Hastanesi is "The Istanbul consensus workshop on embryo assessment: proceedings of an expert meeting" (Alpha Scientists in Reproductive Medicine and ESHRE Special Interest Group of Em et al., 2011), with 2,058 citations. Next come "ECCO-ESGAR Guideline for Diagnostic Assessment in IBD Part 1: Initial diagnosis, monitoring of known IBD, detection of complications" (1,868) and "Global Vascular Guidelines on the Management of Chronic Limb-Threatening Ischemia" (1,569).

Most cited papers
#PaperReleasedCitations
1 The Istanbul consensus workshop on embryo assessment: proceedings of an expert meeting Alpha Scientists in Reproductive Medicine and ESHRE Special Interest Group of Em et al. · Human Reproduction Open access 18 Apr 2011 2,058
2 ECCO-ESGAR Guideline for Diagnostic Assessment in IBD Part 1: Initial diagnosis, monitoring of known IBD, detection of complications Christian Maaser et al. · Journal of Crohn s and Colitis Open access 17 Aug 2018 1,868
3 Global Vascular Guidelines on the Management of Chronic Limb-Threatening Ischemia Michael S. Conte et al. · European Journal of Vascular and Endovascular Surgery Open access 7 Jun 2019 1,569
4 Meta-analysis and imputation refines the association of 15q25 with smoking quantity Jason Z. Liu et al. · Nature Genetics Open access106 authors 25 Apr 2010 621
5 Hypomethylation of multiple imprinted loci in individuals with transient neonatal diabetes is associated with mutations in ZFP57 Deborah Mackay, Jonathan L A Callaway, Sophie M Marks et al. · Nature Genetics 11 Jul 2008 544
All 60 most cited papers, with filters and sorting

Which keywords describe research at Amerikan Hastanesi?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Quality of Life, Surgical Treatment, Infertility, Chemotherapy, Obesity, Diagnosis and Rehabilitation.

▲ 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. Epidemiology28▲ 3.4×75 topics
  2. Quality of Life14▲ 4.7×28 topics
  3. Surgical Treatment8▲ 21×5 topics
  4. Obesity8▲ 5.2×14 topics
  5. Cardiovascular Disease8▲ 3.4×16 topics
  6. Chemotherapy8▲ 5.5×19 topics
  7. Diagnosis8▲ 4.1×25 topics
  8. Infertility8▲ 27×3 topics
  9. Inflammation8▲ 1.72×35 topics
  10. Immunotherapy7▲ 4.7×14 topics
  11. Metabolic Syndrome6▲ 3.9×15 topics
  12. Treatment6▲ 2.5×30 topics
  13. Clinical Practice Guidelines6▲ 5.3×10 topics
  14. Management6▲ 3.6×15 topics
  15. Rehabilitation6▲ 7.3×8 topics
  16. Prostate Cancer5▲ 19×3 topics
  17. Complications5▲ 4.9×14 topics
  18. Insulin Resistance5▲ 5.5×8 topics
  19. Genetic Mutations5▲ 5.6×11 topics
  20. Pain Management5▲ 10×6 topics
  21. Pathophysiology5▲ 8.3×8 topics
  22. Assisted Reproductive Technology4▲ 35×2 topics
  23. Radiotherapy4▲ 5.4×10 topics
  24. Robotic Surgery4▲ 14×5 topics
  25. Surgical Management4▲ 5.2×13 topics
  26. Chronic Pain4▲ 9.4×5 topics
  27. Neoadjuvant Therapy4▲ 8.8×5 topics
  28. Clinical Outcomes4▲ 9.3×6 topics
  29. Clinical Guidelines4▲ 6.7×6 topics
  30. Degenerative Disc Disease4▲ 20×2 topics
  31. Spinal Fusion4▲ 20×2 topics
  32. Fertility Preservation4▲ 33×1 topic
  33. Ovarian Tissue Cryopreservation4▲ 33×1 topic
  34. Postoperative Pain4▲ 20×3 topics
  35. Perioperative Care4▲ 15×3 topics
  36. Radiation Therapy4▲ 13×5 topics
  37. Laparoscopic Surgery4▲ 14×4 topics
  38. Spinal Surgery4▲ 22×2 topics
  39. Low Back Pain3▲ 9.9×3 topics
  40. MRI Imaging3▲ 19×3 topics

Which research topics does Amerikan Hastanesi publish most on?

By volume in 2022-now: Reproductive Biology and Fertility, Ovarian function and disorders, Prostate Cancer Diagnosis and Treatment and Spine and Intervertebral Disc Pathology.

Reproductive Biology and…4Reproductive Biology and Fertility: 4 fractional worksOvarian function and dis…3Ovarian function and disorders: 3 fractional worksProstate Cancer Diagnosis and Treatment: 3 fractional worksSpine and Intervertebral…3Spine and Intervertebral Disc Pathology: 3 fractional worksEndometriosis Research a…3Endometriosis Research and Treatment: 3 fractional worksAnesthesia and Pain Management: 3 fractional worksAssisted Reproductive Technology and Twin Pregnancy: 2 fractional worksProstate Cancer Treatmen…2Prostate Cancer Treatment and Research: 2 fractional worksShoulder Injury and Treatment: 2 fractional worksPelvic floor disorders treatments: 2 fractional works
Public Health, Environmental and Occupational HealthReproductive MedicinePulmonary and Respiratory MedicinePathology and Forensic Medicine3 others

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

  1. 1 Reproductive Biology and Fertility Public Health, Environmental and Occupational Health 4 works
  2. 2 Ovarian function and disorders Reproductive Medicine 3 works
  3. 3 Prostate Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 3 works
  4. 4 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 3 works
  5. 5 Endometriosis Research and Treatment Reproductive Medicine 3 works
  6. 6 Anesthesia and Pain Management Surgery 3 works
  7. 7 Assisted Reproductive Technology and Twin Pregnancy Pediatrics, Perinatology and Child Health 2 works
  8. 8 Prostate Cancer Treatment and Research Pulmonary and Respiratory Medicine 2 works
  9. 9 Shoulder Injury and Treatment Surgery 2 works
  10. 10 Pelvic floor disorders treatments Rheumatology 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 available48.4%not open51.6%

World: 40% of research is openly available.

with international co-authors15.7%domestic only84.3%

World: 18% is written across borders.

How has Amerikan Hastanesi's research output changed?

Output in 2022-2025 was 4% 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 Amerikan Hastanesi as a percentage of every work published that year, 0.00091% in 2024.

still counting0.0020%0.0040%Amerikan Hastanesi0.00067% in 202519801990200020102020

Fractional works of Amerikan Hastanesi 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 counting5%10%15%all institutions10.0% in 2025Amerikan Hastanesi3.9% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 13.1% in 2010.

Other research institutions in Istanbul

All research institutions in Istanbul

Share Amerikan Hastanesi's ranking

Amerikan Hastanesi on Science Explorer

A card with Amerikan Hastanesi's standing and the fields it leads in, for a post or a slide. A link to this page previews as the same card.

Download the card

1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

Badges for a website1Each links back here and updates with every snapshot

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

Ask a question or share a note about Amerikan Hastanesi. Posts are plain text and can be reported.