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Hospital / health system · Paris · France

Hôpital Laennec

In research, Hôpital Laennec stands highest in Medicine (#4,437 of 14,558 worldwide), Health Sciences (#5,270 of 16,688 worldwide) and Surgery (#1,939 of 3,248 worldwide), over all time.

ROR OpenAlex
World rank, all time
#14,035
of 34,923
Rank in France
#445
of 943
Research works
1.6k
▼ 13% vs 2018-21
Citations
28k
17.7 per fractional work
Top-10% rate
6.5%
all institutions 10.0%
vs its own fields
0.83×
1.00× is exactly expected
Open access
10%
world 40%
International
7%
world 18%
Hôpital Laennec

What is Hôpital Laennec known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
MedicineField #4,437 of 14,558 7.8%1,247
Health SciencesDomain #5,270 of 16,688 7.7%1,318
SurgerySubfield #1,939 of 3,248 8.7%239
Pulmonary and Respiratory MedicineSubfield #1,376 of 2,077 7.6%199
Life SciencesDomain #8,893 of 11,023 5.5%177

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

In 2022-now, 80% of research at Hôpital Laennec is in Health Sciences, 10% in Life Sciences. Its largest fields are Medicine (69%), Health Professions (11%), Biochemistry, Genetics and Molecular Biology (5%). It does 2.9× the world's share of Health Sciences.

Health Sciences: 33 fractional works · 80.0% of its workMedicine: 28 fractional works · 68.9% of its workCardiology and Cardiovascular Medicine: 4 fractional works · 10.6% of its workSurgery: 4 fractional works · 9.4% of its workPulmonary and Respiratory Medicine: 3 fractional works · 6.7% of its workNeurology: 3 fractional works · 6.5% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 4.8% of its workEpidemiology: 2 fractional works · 3.7% of its workPathology and Forensic Medicine: 2 fractional works · 3.6% of its workRheumatology: 1 fractional works · 2.7% of its workCritical Care and Intensive Care Medicine: 1 fractional works · 2.5% of its workOncology: 1 fractional works · 2.1% of its workPhysiology: 1 fractional works · 1.9% of its workPsychiatry and Mental health: 1 fractional works · 1.6% of its workInternal Medicine: 1 fractional works · 1.4% of its workAnesthesiology and Pain Medicine: 1 fractional works · 1.4% of its workEmergency Medicine: 0 fractional works · 1.2% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 1.2% of its workGeriatrics and Gerontology: 0 fractional works · 0.9% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.8% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.8% of its workNephrology: 0 fractional works · 0.8% of its workBiochemistry: 0 fractional works · 0.6% of its workGenetics: 0 fractional works · 0.5% of its workInfectious Diseases: 0 fractional works · 0.4% of its workTransplantation: 0 fractional works · 0.4% of its workDermatology: 0 fractional works · 0.4% of its workHematology: 0 fractional works · 0.4% of its workReproductive Medicine: 0 fractional works · 0.4% of its workHepatology: 0 fractional works · 0.3% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.3% of its workPharmacology: 0 fractional works · 0.2% of its workHealth Professions: 4 fractional works · 10.7% of its workGeneral Health Professions: 3 fractional works · 6.6% of its workSpeech and Hearing: 0 fractional works · 0.9% of its workEmergency Medical Services: 0 fractional works · 0.8% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.8% of its workOccupational Therapy: 0 fractional works · 0.8% of its workComplementary and Manual Therapy: 0 fractional works · 0.4% of its workMedical Laboratory Technology: 0 fractional works · 0.4% of its workDentistry: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.1% of its workLife Sciences: 4 fractional works · 10.4% of its workBiochemistry, Genetics and Molecular Biology: 2 fractional works · 4.6% of its workMolecular Biology: 1 fractional works · 2.2% of its workGenetics: 1 fractional works · 1.2% of its workCancer Research: 0 fractional works · 0.3% of its workClinical Biochemistry: 0 fractional works · 0.2% of its workBiochemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workImmunology and Microbiology: 1 fractional works · 2.0% of its workImmunology: 1 fractional works · 1.4% of its workParasitology: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 1 fractional works · 1.9% of its workPlant Science: 0 fractional works · 1.0% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.8% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 1 fractional works · 1.7% of its workCognitive Neuroscience: 0 fractional works · 0.8% of its workNeurology: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workPhysical Sciences: 2 fractional works · 5.9% of its workMathematics: 1 fractional works · 2.6% of its workAlgebra and Number Theory: 0 fractional works · 0.8% of its workGeometry and Topology: 0 fractional works · 0.8% of its workTheoretical Computer Science: 0 fractional works · 0.8% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEngineering: 1 fractional works · 1.6% of its workBiomedical Engineering: 1 fractional works · 1.3% of its workElectrical and Electronic Engineering: 0 fractional works · 0.3% of its workComputer Science: 0 fractional works · 0.6% of its workArtificial Intelligence: 0 fractional works · 0.6% of its workEnvironmental Science: 0 fractional works · 0.6% of its workEcology: 0 fractional works · 0.4% of its workGlobal and Planetary Change: 0 fractional works · 0.2% of its workMaterials Science: 0 fractional works · 0.3% of its workMaterials Chemistry: 0 fractional works · 0.3% of its workPhysics and Astronomy: 0 fractional works · 0.3% of its workCondensed Matter Physics: 0 fractional works · 0.3% of its workSocial Sciences: 2 fractional works · 3.7% of its workSocial Sciences: 1 fractional works · 1.3% of its workSociology and Political Science: 0 fractional works · 1.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.8% of its workEconomics and Econometrics: 0 fractional works · 0.8% of its workArts and Humanities: 0 fractional works · 0.7% of its workHistory and Philosophy of Science: 0 fractional works · 0.4% of its workMuseology: 0 fractional works · 0.3% of its workPsychology: 0 fractional works · 0.6% of its workClinical Psychology: 0 fractional works · 0.3% of its workSocial Psychology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 0 fractional works · 0.3% of its workManagement of Technology and Innovation: 0 fractional works · 0.3% of its workALL ITS WORKHôpital Laennec41fractional works, 2022-now
Life Sciences10%Physical Sciences6%Health Sciences80%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 21 fields, with their numbers
    1. Medicine2868.9%
    2. Health Professions410.7%
    3. Dentistry00.1%
    4. Nursing00.1%
    5. Veterinary00.1%
    1. Biochemistry, Genetics and Molecular Biology24.6%
    2. Immunology and Microbiology12.0%
    3. Agricultural and Biological Sciences11.9%
    4. Neuroscience11.7%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Mathematics12.6%
    2. Engineering11.6%
    3. Computer Science00.6%
    4. Environmental Science00.6%
    5. Materials Science00.3%
    6. Physics and Astronomy00.3%
    1. Social Sciences11.3%
    2. Economics, Econometrics and Finance00.8%
    3. Arts and Humanities00.7%
    4. Psychology00.6%
    5. Business, Management and Accounting00.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.40× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.87× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 1.97× its world share, 1 worksImmunology and Micro…Neuroscience: 1.07× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.26× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.08× its world share, 0 worksComputer ScienceEngineering: 0.11× its world share, 1 worksEngineeringEnvironmental Science: 0.12× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.08× its world share, 0 worksMaterials ScienceMathematics: 2.18× its world share, 1 worksMathematicsPhysics and Astronomy: 0.12× its world share, 0 worksPhysics and AstronomyDentistry: 0.28× its world share, 0 worksDentistryHealth Professions: 4.06× its world share, 4 worksHealth ProfessionsMedicine: 3.58× its world share, 28 worksMedicineNursing: 0.29× its world share, 0 worksNursingVeterinary: 0.90× its world share, 0 worksVeterinaryArts and Humanities: 0.23× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.10× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.38× its world share, 0 worksEconomics, Econometr…Psychology: 0.21× its world share, 0 worksPsychologySocial Sciences: 0.10× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

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

All 21 fields, with their numbers
  1. Health Professions4.06×4 works
  2. Medicine3.58×28 works
  3. Mathematics2.18×1 works
  4. Immunology and Microbiology1.97×1 works
  5. Neuroscience1.07×1 works
  6. Veterinary0.90×0 works
  7. Biochemistry, Genetics and Molecular Biology0.87×2 works
  8. Agricultural and Biological Sciences0.40×1 works
  9. Economics, Econometrics and Finance0.38×0 works
  10. Nursing0.29×0 works
  11. Dentistry0.28×0 works
  12. Pharmacology, Toxicology and Pharmaceutics0.26×0 works
  13. Arts and Humanities0.23×0 works
  14. Psychology0.21×0 works
  15. Environmental Science0.12×0 works
  16. Physics and Astronomy0.12×0 works
  17. Engineering0.11×1 works
  18. Business, Management and Accounting0.10×0 works
  19. Social Sciences0.10×0 works
  20. Computer Science0.08×0 works
  21. Materials Science0.08×0 works

Who are the top researchers at Hôpital Laennec?

Ranked on the quality score, Karim Lakhal, Françoise Trinquet and Hervé Sors lead among researchers whose main affiliation is Hôpital Laennec.

  1. 1 Karim Lakhal France · #412,447 worldwide 4.2k citations · 175 works
  2. 2 Françoise Trinquet France · #1,204,301 worldwide 854 citations · 19 works
  3. 3 Hervé Sors France · #1,225,350 worldwide 2.6k citations · 22 works
  4. 4 Paul‐Henri Cugnenc France · #1,413,629 worldwide 13k citations · 94 works
  5. 5 Francine Leca France · #1,720,776 worldwide 2.1k citations · 108 works
  6. 6 Christine Magne France · #1,835,225 worldwide 1.2k citations · 20 works
  7. 7 Françoise Carnot France · #1,981,989 worldwide 4.4k citations · 111 works
  8. 8 D Crochet France · #2,050,922 worldwide 2.1k citations · 92 works
  9. 9 Jacques Chrétien France · #2,119,451 worldwide 1.1k citations · 37 works
  10. 10 Jean–Philippe Barbier France · #2,381,944 worldwide 1.4k citations · 20 works
All ranked researchers at Hôpital Laennec

What are the most cited papers from Hôpital Laennec?

The most cited paper from Hôpital Laennec is "Evidence-based guidelines on the therapeutic use of repetitive transcranial magnetic stimulation (rTMS): An update (2014–2018)" (Jean‐Pascal Lefaucheur et al., 2019), with 2,413 citations. Next come "Percutaneous Repair or Medical Treatment for Secondary Mitral Regurgitation" (1,797) and "Ankyrin-B mutation causes type 4 long-QT cardiac arrhythmia and sudden cardiac death" (965).

Most cited papers
#PaperReleasedCitations
1 Evidence-based guidelines on the therapeutic use of repetitive transcranial magnetic stimulation (rTMS): An update (2014–2018) Jean‐Pascal Lefaucheur et al. · Clinical Neurophysiology Open access 31 Dec 2019 2,413
2 Percutaneous Repair or Medical Treatment for Secondary Mitral Regurgitation Jean‐François Obadia et al. · New England Journal of Medicine 27 Aug 2018 1,797
3 Ankyrin-B mutation causes type 4 long-QT cardiac arrhythmia and sudden cardiac death Peter J. Mohler, Jean‐Jacques Schott, Anthony O. Gramolini et al. · Nature Feb 2003 965
4 Fluoxetine for motor recovery after acute ischaemic stroke (FLAME): a randomised placebo-controlled trial François Chollet, Jean Tardy, Jean‐François Albucher et al. · The Lancet Neurology 8 Jan 2011 938
5 Effect of Endovascular Contact Aspiration vs Stent Retriever on Revascularization in Patients With Acute Ischemic Stroke and Large Vessel Occlusion Bertrand Lapergue, Raphaël Blanc, Benjamin Gory et al. · JAMA Open access Aug 2017 791
All 60 most cited papers, with filters and sorting

Which keywords describe research at Hôpital Laennec?

By fractional works in 2022-now, weighted toward what it does more of than the world: Treatment, Diagnosis, Immunosuppressive Therapy, Guidelines, Autoantibodies, Epidemiology, Resuscitation and Palliative Care.

▲ 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 21 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 21 words, with their numbers
  1. Epidemiology3▲ 1.83×30 topics
  2. Treatment2▲ 5.0×13 topics
  3. Diagnosis2▲ 5.7×12 topics
  4. Immunosuppressive Therapy2▲ 23×4 topics
  5. Risk Factors2▲ 3.9×11 topics
  6. Guidelines2▲ 8.2×8 topics
  7. Autoantibodies2▲ 16×5 topics
  8. Mental Health1▲ 2.4×2 topics
  9. Resuscitation1▲ 26×3 topics
  10. Clinical Practice Guidelines1▲ 5.6×9 topics
  11. Healthcare Legislation1▲ 57×1 topic
  12. Management1▲ 3.9×9 topics
  13. Neurological Disorders1▲ 5.5×9 topics
  14. Palliative Care1▲ 21×2 topics
  15. Patient Rights1▲ 46×1 topic
  16. Inflammation1▲ 1.41×19 topics
  17. Critical Care1▲ 11×8 topics
  18. Echocardiography1▲ 9.9×7 topics
  19. Endovascular Repair1▲ 29×3 topics
  20. Postoperative Complications1▲ 20×2 topics
  21. Public Health1▲ 1.69×6 topics

Which research topics does Hôpital Laennec publish most on?

By volume in 2022-now: Health, Medicine and Society, Cardiac, Anesthesia and Surgical Outcomes, Cardiac Valve Diseases and Treatments and Transplantation: Methods and Outcomes.

Health, Medicine and Soc…1Health, Medicine and Society: 1 fractional worksCardiac, Anesthesia and …1Cardiac, Anesthesia and Surgical Outcomes: 1 fractional worksCardiac Valve Diseases a…1Cardiac Valve Diseases and Treatments: 1 fractional worksTransplantation: Methods…1Transplantation: Methods and Outcomes: 1 fractional worksSystemic Lupus Erythematosus Research: 1 fractional worksIntracranial Aneurysms: Treatment and Complications: 1 fractional worksAortic Disease and Treat…1Aortic Disease and Treatment Approaches: 1 fractional worksRespiratory Support and Mechanisms: 1 fractional worksVenous Thromboembolism Diagnosis and Management: 1 fractional worksTrauma, Hemostasis, Coag…1Trauma, Hemostasis, Coagulopathy, Resuscitation: 1 fractional works
General Health ProfessionsCardiology and Cardiovascular MedicineSurgeryRheumatology4 others

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

  1. 1 Health, Medicine and Society General Health Professions 1 works
  2. 2 Cardiac, Anesthesia and Surgical Outcomes Cardiology and Cardiovascular Medicine 1 works
  3. 3 Cardiac Valve Diseases and Treatments Cardiology and Cardiovascular Medicine 1 works
  4. 4 Transplantation: Methods and Outcomes Surgery 1 works
  5. 5 Systemic Lupus Erythematosus Research Rheumatology 1 works
  6. 6 Intracranial Aneurysms: Treatment and Complications Neurology 1 works
  7. 7 Aortic Disease and Treatment Approaches Pulmonary and Respiratory Medicine 1 works
  8. 8 Respiratory Support and Mechanisms Pulmonary and Respiratory Medicine 1 works
  9. 9 Venous Thromboembolism Diagnosis and Management Internal Medicine 1 works
  10. 10 Trauma, Hemostasis, Coagulopathy, Resuscitation Critical Care and Intensive Care Medicine 1 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 available10.4%not open89.6%

World: 40% of research is openly available.

with international co-authors6.8%domestic only93.2%

World: 18% is written across borders.

How has Hôpital Laennec's research output changed?

Output in 2022-2025 was 13% 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 Hôpital Laennec as a percentage of every work published that year, 0.00016% in 2024.

still counting0.0050%0.010%Hôpital Laennec0.00022% in 202519801990200020102020

Fractional works of Hôpital Laennec 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.

10%20%all institutions10.0% in 2015Hôpital Laennec5.3% in 201520002010

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 16.4% in 1990.

Other research institutions in Paris

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Hôpital Laennec on Science Explorer

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