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Hospital / health system · Lima · Peru

Hospital Base Guillermo Almenara Irigoyen

In research, Hospital Base Guillermo Almenara Irigoyen stands highest in Medicine (#8,042 of 10,443 worldwide) and Health Sciences (#9,565 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 6.3× its share of world research.

rehab-almenara.orgROR OpenAlex
World rank, 2022–2025
#21,425
of 28,054 · #31,468 all time
Rank in Peru
#64
of 100
Research works
688
▲ 90% vs 2013–17
Citations
2.8k
4.1 per fractional work
Top-10% rate
4.2%
record average 16.5%
Open access
70%
world 28%

What is Hospital Base Guillermo Almenara Irigoyen 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 #8,042 of 10,443 3.6%162 #12611
Health SciencesDomain #9,565 of 11,982 3.8%170 #15105

Each strip is that field’s whole ranked pool, with the notch where Hospital Base Guillermo Almenara Irigoyen 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 Hospital Base Guillermo Almenara Irigoyen specialise in?

Where its research is concentrated relative to its size: Surgery takes 6.3× the share of its output that it takes of world research.

  1. SurgerySubfield · 30.1 works6.3×
← 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: 0.09× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.84× its world share, 9 worksBiochemistry, Geneti…Immunology and Microbiology: 2.78× its world share, 6 worksImmunology and Micro…Neuroscience: 0.50× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.02× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.09× its world share, 0 worksChemical EngineeringComputer Science: 0.05× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.03× its world share, 0 worksEarth and Planetary …Engineering: 0.03× its world share, 1 worksEngineeringEnvironmental Science: 0.20× its world share, 2 worksEnvironmental ScienceMathematics: 0.15× its world share, 0 worksMathematicsPhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyDentistry: 1.01× its world share, 1 worksDentistryHealth Professions: 1.07× its world share, 6 worksHealth ProfessionsMedicine: 4.15× its world share, 162 worksMedicineNursing: 0.83× its world share, 1 worksNursingVeterinary: 0.54× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.36× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.22× its world share, 1 worksEconomics, Econometr…Psychology: 1.15× its world share, 7 worksPsychologySocial Sciences: 0.08× its world share, 2 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.

Who are the top researchers at Hospital Base Guillermo Almenara Irigoyen?

Ranked on the composite score, Manuel F. Ugarte‐Gil lead among researchers whose main affiliation is Hospital Base Guillermo Almenara Irigoyen.

  1. 1 Manuel F. Ugarte‐Gil Peru · #403,991 worldwide 63 citations · 45 works
All ranked researchers at Hospital Base Guillermo Almenara Irigoyen

Which keywords describe research at Hospital Base Guillermo Almenara Irigoyen?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Treatment, Diagnosis, Surgical Management, Genetic Mutations, Endovascular Treatment, Autoantibodies and Immune Response.

▲ 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. Epidemiology39▲ 4.8×83 topics
  2. Treatment14▲ 5.7×32 topics
  3. Diagnosis13▲ 6.8×32 topics
  4. Surgical Management11▲ 13×15 topics
  5. Genetic Mutations10▲ 11×11 topics
  6. Inflammation9▲ 2.2×31 topics
  7. Endovascular Treatment8▲ 73×2 topics
  8. Autoantibodies8▲ 18×7 topics
  9. Immune Response8▲ 6.8×11 topics
  10. Immunotherapy8▲ 5.3×11 topics
  11. Chemotherapy7▲ 4.8×14 topics
  12. Pandemic7▲ 3.1×6 topics
  13. Public Health7▲ 2.3×20 topics
  14. COVID-196▲ 2.3×14 topics
  15. Immunopathogenesis6▲ 49×2 topics
  16. Prognostic Factors6▲ 6.9×13 topics
  17. Antiphospholipid Syndrome6▲ 61×1 topic
  18. Depression6▲ 3.3×13 topics
  19. Systemic Lupus Erythematosus6▲ 55×1 topic
  20. Risk Factors6▲ 2.5×19 topics
  21. Pathogenesis5▲ 5.2×15 topics
  22. Radiosurgery5▲ 29×4 topics
  23. Clinical Management5▲ 15×6 topics
  24. Hemodynamics5▲ 47×2 topics
  25. SARS-CoV-25▲ 7.5×6 topics
  26. Aneurysmal Subarachnoid Hemorrhage5▲ 69×1 topic
  27. Intracranial Aneurysms5▲ 69×1 topic
  28. Genetics5▲ 3.4×9 topics
  29. Complications5▲ 4.7×11 topics
  30. Embolization5▲ 35×3 topics
  31. Liver Transplantation4▲ 17×4 topics
  32. Pathophysiology4▲ 6.7×6 topics
  33. Biomechanics4▲ 6.6×3 topics
  34. ACE2 Receptor4▲ 7.6×3 topics
  35. Cholangiocarcinoma4▲ 23×2 topics
  36. Neoadjuvant Therapy4▲ 7.8×3 topics
  37. Arteriovenous Malformations4▲ 80×1 topic
  38. Cerebral Cavernous Malformations4▲ 80×1 topic
  39. Genetic Factors3▲ 25×2 topics
  40. Fistulas3▲ 45×2 topics

Which research topics does Hospital Base Guillermo Almenara Irigoyen publish most on?

By volume in 2022–2025: Systemic Lupus Erythematosus Research, Intracranial Aneurysms: Treatment and Complications, Vascular Malformations Diagnosis and Treatment and Pancreatitis Pathology and Treatment.

Systemic Lupus Erythematosus Research: 6 fractional worksIntracranial Aneurysms: Treatment and Complications: 5 fractional worksVascular Malformations Diagnosis and Treatment: 4 fractional worksPancreatitis Pathology and Treatment: 3 fractional worksGallbladder and Bile Duct Disorders: 3 fractional worksPancreatic and Hepatic Oncology Research: 3 fractional worksCoronary Artery Anomalies3Coronary Artery Anomalies: 3 fractional worksCOVID-19 Clinical Research Studies: 3 fractional worksPediatric Hepatobiliary Diseases and Treatments: 2 fractional worksLiver Disease and Transp…2Liver Disease and Transplantation: 2 fractional works
RheumatologyNeurologySurgeryPulmonary and Respiratory Medicine3 others

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

  1. 1 Systemic Lupus Erythematosus Research Rheumatology 6 works
  2. 2 Intracranial Aneurysms: Treatment and Complications Neurology 5 works
  3. 3 Vascular Malformations Diagnosis and Treatment Neurology 4 works
  4. 4 Pancreatitis Pathology and Treatment Surgery 3 works
  5. 5 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 3 works
  6. 6 Pancreatic and Hepatic Oncology Research Oncology 3 works
  7. 7 Coronary Artery Anomalies Pulmonary and Respiratory Medicine 3 works
  8. 8 COVID-19 Clinical Research Studies Infectious Diseases 3 works
  9. 9 Pediatric Hepatobiliary Diseases and Treatments Surgery 2 works
  10. 10 Liver Disease and Transplantation Hepatology 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 available70.2%not open29.8%

World: 28% of research is openly available.

with international co-authors21.2%domestic only78.8%

World: 19% is written across borders.

How has Hospital Base Guillermo Almenara Irigoyen's research output changed?

Output in 2018–2022 was 90% higher than in 2013–2017.

200020102020
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 Lima

All research institutions in Lima

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.