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Hospital / health system · Istanbul · Türkiye

Amerikan Hastanesi

In research, Amerikan Hastanesi stands highest in Medicine (#6,231 of 10,443 worldwide) and Health Sciences (#7,954 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 6.6× its share of world research.

americanhospitalistanbul.orgROR OpenAlex
World rank, 2022–2025
#18,620
of 28,054 · #22,399 all time
Rank in Türkiye
#243
of 308
Research works
913
▲ 50% vs 2013–17
Citations
13k
14.8 per fractional work
Top-10% rate
8.8%
record average 16.5%
Open access
48%
world 28%

What is Amerikan Hastanesi 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 #6,231 of 10,443 7.8%135 #7463
Health SciencesDomain #7,954 of 11,982 8.2%141 #9398

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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

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 · 28.0 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: 0.12× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.78× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 2.92× its world share, 5 worksImmunology and Micro…Neuroscience: 0.68× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.25× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.08× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.02× its world share, 0 worksEarth and Planetary …Engineering: 0.08× its world share, 2 worksEngineeringEnvironmental Science: 0.11× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.01× its world share, 0 worksMaterials ScienceMathematics: 0.12× its world share, 0 worksMathematicsPhysics and Astronomy: 0.24× its world share, 1 worksPhysics and AstronomyHealth Professions: 1.08× its world share, 5 worksHealth ProfessionsMedicine: 3.88× its world share, 135 worksMedicineNursing: 1.23× its world share, 1 worksNursingVeterinary: 1.36× its world share, 0 worksVeterinaryArts and Humanities: 0.63× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.40× its world share, 2 worksBusiness, Management…Decision Sciences: 0.37× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.24× its world share, 1 worksEconomics, Econometr…Psychology: 0.62× its world share, 3 worksPsychologySocial Sciences: 0.31× its world share, 7 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.

Who are the top researchers at Amerikan Hastanesi?

Ranked on the composite score, Bülent Urman and Başak Balaban lead among researchers whose main affiliation is Amerikan Hastanesi.

  1. 1 Bülent Urman Türkiye · #259,533 worldwide 131 citations · 49 works
  2. 2 Başak Balaban Türkiye · #266,355 worldwide 108 citations · 25 works
All ranked researchers at Amerikan Hastanesi

Which keywords describe research at Amerikan Hastanesi?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Quality of Life, Infertility, Surgical Treatment, Obesity, Chemotherapy, Cardiovascular Disease 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 2022–2025 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. Epidemiology24▲ 3.4×69 topics
  2. Quality of Life12▲ 4.7×24 topics
  3. Obesity8▲ 5.8×14 topics
  4. Cardiovascular Disease8▲ 3.8×15 topics
  5. Infertility8▲ 29×3 topics
  6. Surgical Treatment8▲ 21×4 topics
  7. Chemotherapy7▲ 5.5×18 topics
  8. Diagnosis7▲ 4.0×22 topics
  9. Metabolic Syndrome6▲ 4.1×14 topics
  10. Rehabilitation5▲ 7.6×8 topics
  11. Treatment5▲ 2.5×27 topics
  12. Immunotherapy5▲ 4.1×13 topics
  13. Management5▲ 3.7×13 topics
  14. Clinical Practice Guidelines5▲ 5.2×10 topics
  15. Pathophysiology5▲ 9.2×8 topics
  16. Prostate Cancer5▲ 21×2 topics
  17. Insulin Resistance5▲ 6.0×8 topics
  18. Pain Management5▲ 12×6 topics
  19. Assisted Reproductive Technology4▲ 37×2 topics
  20. Genetic Mutations4▲ 5.5×10 topics
  21. Robotic Surgery4▲ 17×5 topics
  22. Clinical Guidelines4▲ 7.5×6 topics
  23. Fertility Preservation4▲ 37×1 topic
  24. Neoadjuvant Therapy4▲ 9.0×5 topics
  25. Ovarian Tissue Cryopreservation4▲ 37×1 topic
  26. Degenerative Disc Disease4▲ 22×2 topics
  27. Clinical Outcomes4▲ 9.3×5 topics
  28. Postoperative Pain4▲ 22×3 topics
  29. Chronic Pain4▲ 8.9×4 topics
  30. Radiation Therapy4▲ 15×5 topics
  31. Spinal Fusion4▲ 20×2 topics
  32. Perioperative Care3▲ 16×2 topics
  33. Stem Cells3▲ 7.4×5 topics
  34. Genetic Variants3▲ 10×5 topics
  35. Hormone Therapy3▲ 22×3 topics
  36. MRI Imaging3▲ 22×3 topics
  37. Laparoscopic Surgery3▲ 15×4 topics
  38. Spinal Surgery3▲ 23×2 topics
  39. Biopsy3▲ 28×2 topics
  40. Fertility3▲ 20×2 topics

Which research topics does Amerikan Hastanesi publish most on?

By volume in 2022–2025: Reproductive Biology and Fertility, Prostate Cancer Diagnosis and Treatment, Ovarian function and disorders and Endometriosis Research and Treatment.

Reproductive Biology and…4Reproductive Biology and Fertility: 4 fractional worksProstate Cancer Diagnosi…3Prostate Cancer Diagnosis and Treatment: 3 fractional worksOvarian function and disorders: 3 fractional worksEndometriosis Research and Treatment: 3 fractional worksSpine and Intervertebral Disc Pathology: 2 fractional worksAnesthesia and Pain Management: 2 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 worksGynecological conditions and treatments: 2 fractional works
Public Health, Environmental and Occupational HealthPulmonary and Respiratory MedicineReproductive 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 Prostate Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 3 works
  3. 3 Ovarian function and disorders Reproductive Medicine 3 works
  4. 4 Endometriosis Research and Treatment Reproductive Medicine 3 works
  5. 5 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 2 works
  6. 6 Anesthesia and Pain Management Surgery 2 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 Gynecological conditions and treatments Obstetrics and Gynecology 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: 28% of research is openly available.

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

World: 19% is written across borders.

How has Amerikan Hastanesi's research output changed?

Output in 2018–2022 was 50% 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 Istanbul

All research institutions in Istanbul

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.