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Hospital / health system · Buenos Aires · Argentina

Hospital Alemán

In research, Hospital Alemán stands highest in Health Sciences (#3,500 of 9,902 worldwide) and Medicine (#3,092 of 8,541 worldwide), 2022-now. Relative to its size it is most specialised in Surgery (Surgery is 8.4× its share of world research).

hospitalaleman.org.ar/enROR OpenAlex
World rank, 2022-now
#13,115
of 22,385 · #17,794 all time
Rank in Argentina
#78
of 136
Research works
1.2k
▼ 15% vs 2018-21
Citations
9.9k
8.3 per fractional work
Top-10% rate
7.8%
all institutions 10.0%
vs its own fields
0.92×
1.00× is exactly expected
Open access
40%
world 40%
International
18%
world 18%
Hospital Alemán

What is Hospital Alemán 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 #3,500 of 9,902 8.1%213 #6795
MedicineField #3,092 of 8,541 8.4%198 #5588

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

In 2022-now, 84% of research at Hospital Alemán is in Health Sciences, 8% in Life Sciences. Its largest fields are Medicine (78%), Biochemistry, Genetics and Molecular Biology (5%), Health Professions (5%). It does 3.5× the world's share of Health Sciences.

Health Sciences: 244 fractional works · 83.9% of its workMedicine: 228 fractional works · 78.2% of its workSurgery: 57 fractional works · 19.7% of its workPulmonary and Respiratory Medicine: 22 fractional works · 7.5% of its workCardiology and Cardiovascular Medicine: 16 fractional works · 5.5% of its workEpidemiology: 16 fractional works · 5.4% of its workOncology: 15 fractional works · 5.2% of its workPathology and Forensic Medicine: 10 fractional works · 3.3% of its workDermatology: 8 fractional works · 2.6% of its workNeurology: 7 fractional works · 2.4% of its workGastroenterology: 7 fractional works · 2.4% of its workObstetrics and Gynecology: 6 fractional works · 2.1% of its workInfectious Diseases: 5 fractional works · 1.7% of its workPublic Health, Environmental and Occupational Health: 5 fractional works · 1.7% of its workRheumatology: 5 fractional works · 1.7% of its workEmergency Medicine: 5 fractional works · 1.6% of its workPhysiology: 5 fractional works · 1.6% of its workOrthopedics and Sports Medicine: 4 fractional works · 1.4% of its workRadiology, Nuclear Medicine and Imaging: 4 fractional works · 1.4% of its workPediatrics, Perinatology and Child Health: 3 fractional works · 1.1% of its workGenetics: 3 fractional works · 1.0% of its workUrology: 3 fractional works · 1.0% of its workOphthalmology: 2 fractional works · 0.9% of its workHepatology: 2 fractional works · 0.8% of its workHematology: 2 fractional works · 0.7% of its workInternal Medicine: 2 fractional works · 0.7% of its workCritical Care and Intensive Care Medicine: 2 fractional works · 0.7% of its workNephrology: 2 fractional works · 0.7% of its workPsychiatry and Mental health: 2 fractional works · 0.5% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 0.5% of its workOtorhinolaryngology: 1 fractional works · 0.4% of its workImmunology and Allergy: 1 fractional works · 0.4% of its workRehabilitation: 1 fractional works · 0.3% of its workPharmacology: 1 fractional works · 0.3% of its workGeriatrics and Gerontology: 1 fractional works · 0.2% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.2% of its workReproductive Medicine: 1 fractional works · 0.2% of its workHealth Professions: 13 fractional works · 4.5% of its workGeneral Health Professions: 4 fractional works · 1.5% of its workSpeech and Hearing: 2 fractional works · 0.7% of its workPharmacy: 2 fractional works · 0.6% of its workEmergency Medical Services: 2 fractional works · 0.6% of its workHealth Information Management: 1 fractional works · 0.4% of its workMedical Laboratory Technology: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workDentistry: 2 fractional works · 0.8% of its workOral Surgery: 2 fractional works · 0.5% of its workPeriodontics: 1 fractional works · 0.2% of its workNursing: 1 fractional works · 0.4% of its workNutrition and Dietetics: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.0% of its workLife Sciences: 24 fractional works · 8.2% of its workBiochemistry, Genetics and Molecular Biology: 15 fractional works · 5.1% of its workMolecular Biology: 5 fractional works · 1.7% of its workGenetics: 5 fractional works · 1.7% of its workCancer Research: 2 fractional works · 0.6% of its workMolecular Medicine: 1 fractional works · 0.3% of its workCell Biology: 1 fractional works · 0.3% of its workClinical Biochemistry: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workImmunology and Microbiology: 5 fractional works · 1.8% of its workImmunology: 4 fractional works · 1.3% of its workParasitology: 1 fractional works · 0.2% of its workMicrobiology: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workNeuroscience: 3 fractional works · 1.0% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.4% of its workNeurology: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workAgricultural and Biological Sciences: 1 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workSocial Sciences: 13 fractional works · 4.4% of its workSocial Sciences: 6 fractional works · 1.9% of its workSociology and Political Science: 3 fractional works · 1.0% of its workEducation: 1 fractional works · 0.3% of its workHealth: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workPsychology: 3 fractional works · 1.0% of its workClinical Psychology: 2 fractional works · 0.8% of its workSocial Psychology: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.5% of its workEconomics and Econometrics: 1 fractional works · 0.5% of its workBusiness, Management and Accounting: 1 fractional works · 0.4% of its workArts and Humanities: 1 fractional works · 0.4% of its workHistory: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDecision Sciences: 0 fractional works · 0.1% of its workPhysical Sciences: 10 fractional works · 3.5% of its workPhysics and Astronomy: 4 fractional works · 1.3% of its workAstronomy and Astrophysics: 2 fractional works · 0.8% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 0.2% of its workStatistical and Nonlinear Physics: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEngineering: 3 fractional works · 1.1% of its workBiomedical Engineering: 2 fractional works · 0.6% of its workSmaller subfields together: 1 fractional works · 0.5% of its workEnvironmental Science: 2 fractional works · 0.5% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 1 fractional works · 0.3% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.1% of its workMathematics: 0 fractional works · 0.1% of its workALL ITS WORKHospital Alemán292fractional works, 2022-now
Life Sciences8%Physical Sciences4%Health Sciences84%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 23 fields, with their numbers
    1. Medicine22878.2%
    2. Health Professions134.5%
    3. Dentistry20.8%
    4. Nursing10.4%
    5. Veterinary00.0%
    1. Biochemistry, Genetics and Molecular Biology155.1%
    2. Immunology and Microbiology51.8%
    3. Neuroscience31.0%
    4. Agricultural and Biological Sciences10.2%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Social Sciences61.9%
    2. Psychology31.0%
    3. Economics, Econometrics and Finance10.5%
    4. Business, Management and Accounting10.4%
    5. Arts and Humanities10.4%
    6. Decision Sciences00.1%
    1. Physics and Astronomy41.3%
    2. Engineering31.1%
    3. Environmental Science20.5%
    4. Computer Science10.3%
    5. Earth and Planetary Sciences00.1%
    6. Chemistry00.1%
    7. Mathematics00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Hospital Alemán specialise in?

Where its research is concentrated relative to its size: Surgery takes 8.4× the share of its output that it takes of world research.

  1. SurgerySubfield · 57.3 works8.4×
← 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: 0.04× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.96× its world share, 15 worksBiochemistry, Geneti…Immunology and Microbiology: 1.82× its world share, 5 worksImmunology and Micro…Neuroscience: 0.62× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.15× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.07× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.09× its world share, 0 worksEarth and Planetary …Engineering: 0.07× its world share, 3 worksEngineeringEnvironmental Science: 0.10× its world share, 2 worksEnvironmental ScienceMathematics: 0.05× its world share, 0 worksMathematicsPhysics and Astronomy: 0.60× its world share, 4 worksPhysics and AstronomyDentistry: 1.57× its world share, 2 worksDentistryHealth Professions: 1.71× its world share, 13 worksHealth ProfessionsMedicine: 4.07× its world share, 228 worksMedicineNursing: 0.74× its world share, 1 worksNursingVeterinary: 0.21× its world share, 0 worksVeterinaryArts and Humanities: 0.13× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.13× its world share, 1 worksBusiness, Management…Decision Sciences: 0.15× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.22× its world share, 1 worksEconomics, Econometr…Psychology: 0.34× its world share, 3 worksPsychologySocial Sciences: 0.15× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.1×. Every wedge is a field page.

All 23 fields, with their numbers
  1. Medicine4.07×228 works
  2. Immunology and Microbiology1.82×5 works
  3. Health Professions1.71×13 works
  4. Dentistry1.57×2 works
  5. Biochemistry, Genetics and Molecular Biology0.96×15 works
  6. Nursing0.74×1 works
  7. Neuroscience0.62×3 works
  8. Physics and Astronomy0.60×4 works
  9. Psychology0.34×3 works
  10. Economics, Econometrics and Finance0.22×1 works
  11. Veterinary0.21×0 works
  12. Pharmacology, Toxicology and Pharmaceutics0.15×0 works
  13. Decision Sciences0.15×0 works
  14. Social Sciences0.15×6 works
  15. Arts and Humanities0.13×1 works
  16. Business, Management and Accounting0.13×1 works
  17. Environmental Science0.10×2 works
  18. Earth and Planetary Sciences0.09×0 works
  19. Chemistry0.07×0 works
  20. Engineering0.07×3 works
  21. Mathematics0.05×0 works
  22. Agricultural and Biological Sciences0.04×1 works
  23. Computer Science0.03×1 works

Who are the top researchers at Hospital Alemán?

Ranked on the quality score, Ariel Izcovich, José Manuel Mella and Daniel Ivulich lead among researchers whose main affiliation is Hospital Alemán.

  1. 1 Ariel Izcovich Argentina · #135,776 worldwide 12k citations · 145 works
  2. 2 José Manuel Mella Argentina · #1,758,529 worldwide 1.3k citations · 68 works
  3. 3 Daniel Ivulich Argentina · #1,765,826 worldwide 457 citations · 25 works
  4. 4 Ricardo Mastaï Argentina · #1,769,842 worldwide 3.3k citations · 100 works
  5. 5 Virginia Mariana González Argentina · #1,854,114 worldwide 6.8k citations · 81 works
  6. 6 Camila Bras Harriott Argentina · #1,872,496 worldwide 352 citations · 31 works
  7. 7 Lucas McCormack Argentina · #1,983,506 worldwide 3.3k citations · 121 works
  8. 8 Juan Martín Criniti Argentina · #2,034,080 worldwide 586 citations · 40 works
  9. 9 Federico Popoff Argentina · #2,036,880 worldwide 387 citations · 17 works
  10. 10 Cristian Agustín Angeramo Argentina · #2,065,796 worldwide 592 citations · 64 works
All ranked researchers at Hospital Alemán

What are the most cited papers from Hospital Alemán?

The most cited paper from Hospital Alemán is "Drug treatments for covid-19: living systematic review and network meta-analysis" (Reed Alexander Cunningham Siemieniuk et al., 2020), with 917 citations. Next come "Revised diagnostic criteria for neurofibromatosis type 1 and Legius syndrome: an international consensus recommendation" (832) and "Opioids for Chronic Noncancer Pain" (735).

Most cited papers
#PaperReleasedCitations
1 Drug treatments for covid-19: living systematic review and network meta-analysis Reed Alexander Cunningham Siemieniuk et al. · BMJ ReviewOpen access 30 Jul 2020 917
2 Revised diagnostic criteria for neurofibromatosis type 1 and Legius syndrome: an international consensus recommendation Eric Legius et al. · Genetics in Medicine Open access 4 Jun 2021 832
3 Opioids for Chronic Noncancer Pain Jason Walter Busse et al. · JAMA Open access 18 Dec 2018 735
4 Prognostic factors for severity and mortality in patients infected with COVID-19: A systematic review Ariel Izcovich, Martín Alberto Ragusa, Fernando Tortosa et al. · PLoS ONE ReviewOpen access 17 Nov 2020 686
5 Treatment of Fabry’s Disease with the Pharmacologic Chaperone Migalastat Dominique Paul Germain et al. · New England Journal of Medicine Open access 10 Aug 2016 566
All 59 most cited papers, with filters and sorting

Which keywords describe research at Hospital Alemán?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Complications, Treatment, Management, Surgery, Risk Factors and Guidelines.

▲ 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. Epidemiology54▲ 4.7×96 topics
  2. Treatment24▲ 6.6×32 topics
  3. Complications22▲ 15×16 topics
  4. Diagnosis22▲ 8.1×31 topics
  5. Management18▲ 7.8×24 topics
  6. Risk Factors17▲ 5.2×20 topics
  7. Surgery15▲ 15×10 topics
  8. Guidelines13▲ 9.5×12 topics
  9. Inflammation13▲ 2.1×40 topics
  10. Clinical Practice Guidelines11▲ 7.0×14 topics
  11. Chemotherapy11▲ 5.3×20 topics
  12. Neoadjuvant Therapy10▲ 15×5 topics
  13. Public Health10▲ 2.4×30 topics
  14. Cardiovascular Disease10▲ 2.9×21 topics
  15. Meta-Analysis10▲ 5.7×9 topics
  16. Quality of Life10▲ 2.2×28 topics
  17. Prevention9▲ 7.6×10 topics
  18. Surgical Management9▲ 7.2×17 topics
  19. Prognostic Factors8▲ 6.7×13 topics
  20. Pathogenesis8▲ 5.6×15 topics
  21. Genetic Mutations8▲ 6.2×15 topics
  22. Immunotherapy7▲ 3.5×16 topics
  23. Preoperative Chemoradiotherapy7▲ 30×2 topics
  24. Endoscopic Resection7▲ 23×2 topics
  25. Inflammatory Bowel Disease7▲ 19×5 topics
  26. Robotic Surgery7▲ 15×5 topics
  27. Laparoscopic Repair6▲ 57×2 topics
  28. Proton Pump Inhibitors6▲ 34×2 topics
  29. Survival Analysis6▲ 8.1×6 topics
  30. Children6▲ 9.6×6 topics
  31. Chronic Pain6▲ 9.5×3 topics
  32. Endoscopic Stenting6▲ 46×1 topic
  33. Esophageal Perforation6▲ 46×1 topic
  34. Molecular Characterization6▲ 12×6 topics
  35. Hernia Repair6▲ 73×1 topic
  36. Mesh Techniques6▲ 73×1 topic
  37. Laparoscopic Surgery6▲ 16×4 topics
  38. Clinical Guidelines5▲ 6.3×9 topics
  39. Cognitive Impairment5▲ 7.4×6 topics
  40. Chemoradiation5▲ 27×2 topics

Which research topics does Hospital Alemán publish most on?

By volume in 2022-now: Esophageal and GI Pathology, Hernia repair and management, Esophageal Cancer Research and Treatment and Gastroesophageal reflux and treatments.

Esophageal and GI Pathol…6Esophageal and GI Pathology: 6 fractional worksHernia repair and manage…6Hernia repair and management: 6 fractional worksEsophageal Cancer Resear…4Esophageal Cancer Research and Treatment: 4 fractional worksGastroesophageal reflux …4Gastroesophageal reflux and treatments: 4 fractional worksUreteral procedures and complications: 4 fractional worksAppendicitis Diagnosis and Management: 4 fractional worksMultiple Sclerosis Resea…3Multiple Sclerosis Research Studies: 3 fractional worksKidney Stones and Urolithiasis Treatments: 3 fractional worksDiverticular Disease and Complications: 3 fractional worksMinimally Invasive Surgi…3Minimally Invasive Surgical Techniques: 3 fractional works
SurgeryGastroenterologyObstetrics and GynecologyEmergency Medicine2 others

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

  1. 1 Esophageal and GI Pathology Surgery 6 works
  2. 2 Hernia repair and management Surgery 6 works
  3. 3 Esophageal Cancer Research and Treatment Surgery 4 works
  4. 4 Gastroesophageal reflux and treatments Gastroenterology 4 works
  5. 5 Ureteral procedures and complications Obstetrics and Gynecology 4 works
  6. 6 Appendicitis Diagnosis and Management Emergency Medicine 4 works
  7. 7 Multiple Sclerosis Research Studies Pathology and Forensic Medicine 3 works
  8. 8 Kidney Stones and Urolithiasis Treatments Pulmonary and Respiratory Medicine 3 works
  9. 9 Diverticular Disease and Complications Surgery 3 works
  10. 10 Minimally Invasive Surgical Techniques 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 available39.7%not open60.3%

World: 40% of research is openly available.

with international co-authors18.0%domestic only82.0%

World: 18% is written across borders.

How has Hospital Alemán's research output changed?

Output in 2022-2025 was 15% 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 Hospital Alemán as a percentage of every work published that year, 0.0011% in 2024.

still counting0.0010%0.0020%Hospital Alemán0.0010% in 202519801990200020102020

Fractional works of Hospital Alemán 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%Hospital Alemán12.8% 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 12.8% in 2025.

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Hospital Alemán on Science Explorer

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