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Hospital / health system · Porto · Portugal

Hospital de São João

In research, Hospital de São João stands highest in Medicine (#1,313 of 10,443 worldwide), Health Sciences (#1,630 of 11,982 worldwide) and Surgery (#609 of 1,816 worldwide), 2022–2025. Relative to its size it is most specialised in Gastroenterology, Rheumatology and Surgery — Gastroenterology is 14.5× its share of world research.

portal-chsj.min-saude.pt/pages/2ROR OpenAlex
World rank, 2022–2025
#5,807
of 28,054 · #7,622 all time
Rank in Portugal
#36
of 187
Research works
6.9k
▲ 18% vs 2013–17
Citations
73k
10.6 per fractional work
Top-10% rate
8.5%
record average 16.5%
Open access
54%
world 28%

What is Hospital de São João 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 #1,313 of 10,443 8.3%1,138 #1801
Health SciencesDomain #1,630 of 11,982 8.4%1,196 #2123
SurgerySubfield #609 of 1,816 7.6%214 #1096
Life SciencesDomain #3,893 of 7,800 8.2%148 #3959
Pulmonary and Respiratory MedicineSubfield #779 of 1,144 7.7%133 #1240
EpidemiologySubfield #815 of 976 10.9%70 #1454
Social SciencesDomain #9,350 of 10,521 9.3%66 #13380
Cardiology and Cardiovascular MedicineSubfield #680 of 738 5.0%84 #1180
Biochemistry, Genetics and Molecular BiologyField #3,427 of 3,579 8.1%85 #5571
OncologySubfield #746 of 772 8.5%60 #1593

Each strip is that field’s whole ranked pool, with the notch where Hospital de São João 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#1,801 #1,313
  2. Health Sciences#2,123 #1,630
  3. Surgery#1,096 #609
  4. Life Sciences#3,959 #3,893
  5. Pulmonary and Respiratory Medicine#1,240 #779
  6. Epidemiology#1,454 #815
  7. Social Sciences#13,380 #9,350
  8. Cardiology and Cardiovascular Medicine#1,180 #680
  9. Biochemistry, Genetics and Molecular Biology#5,571 #3,427
  10. Oncology#1,593 #746
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Hospital de São João specialise in?

Where its research is concentrated relative to its size: Gastroenterology takes 14.5× the share of its output that it takes of world research.

  1. GastroenterologySubfield · 24.8 works15×
  2. RheumatologySubfield · 46.9 works7.1×
  3. SurgerySubfield · 214.2 works6.3×
  4. Pulmonary and Respiratory MedicineSubfield · 133.0 works6.0×
← 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: 0.13× its world share, 9 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.10× its world share, 85 worksBiochemistry, Geneti…Immunology and Microbiology: 1.55× its world share, 23 worksImmunology and Micro…Neuroscience: 1.25× its world share, 29 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.51× its world share, 3 worksPharmacology, Toxico…Chemical Engineering: 0.02× its world share, 0 worksChemical EngineeringChemistry: 0.07× its world share, 2 worksChemistryComputer Science: 0.08× its world share, 9 worksComputer ScienceEarth and Planetary Sciences: 0.02× its world share, 0 worksEarth and Planetary …Energy: 0.01× its world share, 0 worksEnergyEngineering: 0.07× its world share, 14 worksEngineeringEnvironmental Science: 0.09× its world share, 7 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 1 worksMaterials ScienceMathematics: 0.09× its world share, 2 worksMathematicsPhysics and Astronomy: 0.06× its world share, 2 worksPhysics and AstronomyDentistry: 0.64× its world share, 4 worksDentistryHealth Professions: 1.15× its world share, 44 worksHealth ProfessionsMedicine: 4.09× its world share, 1,138 worksMedicineNursing: 1.05× its world share, 8 worksNursingVeterinary: 1.21× its world share, 2 worksVeterinaryArts and Humanities: 0.12× its world share, 5 worksArts and HumanitiesBusiness, Management and Accounting: 0.06× its world share, 3 worksBusiness, Management…Decision Sciences: 0.05× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.12× its world share, 4 worksEconomics, Econometr…Psychology: 0.72× its world share, 32 worksPsychologySocial Sciences: 0.12× its world share, 22 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.

Who are the top researchers at Hospital de São João?

Ranked on the composite score, Fátima Carneiro, Helena Cardoso and António Sarmento lead among researchers whose main affiliation is Hospital de São João.

  1. 1 Fátima Carneiro Portugal · #6,966 worldwide 996 citations · 104 works
  2. 2 Helena Cardoso Portugal · #76,315 worldwide 167 citations · 50 works
  3. 3 António Sarmento Portugal · #146,482 worldwide 183 citations · 62 works
  4. 4 Jorge Amil Dias Portugal · #158,005 worldwide 48 citations · 36 works
  5. 5 Miguel Gonçalves Portugal · #187,277 worldwide 106 citations · 23 works
  6. 6 Armando Mansilha Portugal · #206,049 worldwide 128 citations · 52 works
  7. 7 Inês Azevedo Portugal · #233,874 worldwide 76 citations · 41 works
  8. 8 Isabel Ramos Portugal · #343,419 worldwide 56 citations · 29 works
  9. 9 Sofia Magina Portugal · #356,803 worldwide 53 citations · 24 works
  10. 10 José Amarante Portugal · #400,917 worldwide 48 citations · 36 works
All ranked researchers at Hospital de São João

Which keywords describe research at Hospital de São João?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Diagnosis, Treatment, Complications, Chemotherapy, Inflammation, Surgical Management and Clinical Practice 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 2022–2025 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. Epidemiology208▲ 3.6×128 topics
  2. Treatment98▲ 5.6×50 topics
  3. Diagnosis92▲ 6.8×41 topics
  4. Inflammation79▲ 2.6×67 topics
  5. Quality of Life66▲ 3.1×48 topics
  6. Chemotherapy59▲ 5.8×23 topics
  7. Complications57▲ 7.8×17 topics
  8. Risk Factors55▲ 3.5×31 topics
  9. Management54▲ 4.8×28 topics
  10. Clinical Practice Guidelines49▲ 6.2×14 topics
  11. Surgical Management45▲ 7.6×20 topics
  12. Cardiovascular Disease44▲ 2.8×34 topics
  13. Guidelines44▲ 6.5×12 topics
  14. Genetic Mutations38▲ 6.0×23 topics
  15. Immunotherapy34▲ 3.3×18 topics
  16. Genetics34▲ 3.3×21 topics
  17. Heart Failure34▲ 5.4×13 topics
  18. Mortality33▲ 4.0×13 topics
  19. Neurological Disorders31▲ 3.8×19 topics
  20. Metabolic Syndrome30▲ 2.5×21 topics
  21. Survival Analysis29▲ 7.2×6 topics
  22. Prognostic Factors28▲ 4.5×14 topics
  23. Cardiovascular Risk28▲ 6.2×9 topics
  24. Autoantibodies28▲ 8.2×8 topics
  25. Pathogenesis28▲ 3.7×24 topics
  26. Echocardiography26▲ 6.5×7 topics
  27. Prognosis25▲ 5.2×9 topics
  28. Neoadjuvant Therapy24▲ 7.2×5 topics
  29. Surgery24▲ 4.8×11 topics
  30. Children24▲ 7.0×7 topics
  31. Rehabilitation24▲ 4.1×11 topics
  32. Radiotherapy23▲ 4.2×13 topics
  33. Molecular Characterization23▲ 9.0×6 topics
  34. Gastric Cancer21▲ 13×3 topics
  35. Immunosuppressive Therapy20▲ 7.6×8 topics
  36. Endoscopic Resection20▲ 14×2 topics
  37. Adjuvant Therapy20▲ 11×2 topics
  38. Palliative Treatment17▲ 18×2 topics
  39. Endoscopic Stenting16▲ 24×1 topic
  40. Esophageal Perforation16▲ 24×1 topic

Which research topics does Hospital de São João publish most on?

By volume in 2022–2025: Esophageal and GI Pathology, Gastric Cancer Management and Outcomes, Gastrointestinal disorders and treatments and Gastrointestinal Bleeding Diagnosis and Treatment.

Esophageal and GI Pathol…16Esophageal and GI Pathology: 16 fractional worksGastric Cancer Managemen…14Gastric Cancer Management and Outcomes: 14 fractional worksGastrointestinal disorde…12Gastrointestinal disorders and treatments: 12 fractional worksGastrointestinal Bleedin…12Gastrointestinal Bleeding Diagnosis and Treatment: 12 fractional worksColorectal Cancer Screening and Detection: 8 fractional worksCardiac Valve Diseases and Treatments: 8 fractional worksPancreatic and Hepatic O…8Pancreatic and Hepatic Oncology Research: 8 fractional worksInfective Endocarditis Diagnosis and Management: 7 fractional worksTracheal and airway disorders: 7 fractional worksVasculitis and related c…7Vasculitis and related conditions: 7 fractional works
SurgeryPulmonary and Respiratory MedicineGastroenterologyOncology2 others

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

  1. 1 Esophageal and GI Pathology Surgery 16 works
  2. 2 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 14 works
  3. 3 Gastrointestinal disorders and treatments Surgery 12 works
  4. 4 Gastrointestinal Bleeding Diagnosis and Treatment Gastroenterology 12 works
  5. 5 Colorectal Cancer Screening and Detection Oncology 8 works
  6. 6 Cardiac Valve Diseases and Treatments Cardiology and Cardiovascular Medicine 8 works
  7. 7 Pancreatic and Hepatic Oncology Research Oncology 8 works
  8. 8 Infective Endocarditis Diagnosis and Management Epidemiology 7 works
  9. 9 Tracheal and airway disorders Pulmonary and Respiratory Medicine 7 works
  10. 10 Vasculitis and related conditions Pulmonary and Respiratory Medicine 7 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 available53.7%not open46.3%

World: 28% of research is openly available.

with international co-authors12.8%domestic only87.2%

World: 19% is written across borders.

How has Hospital de São João's research output changed?

Output in 2018–2022 was 18% 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 Porto

All research institutions in Porto

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.