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Topic · Surgery

Orthopaedic implants and arthroplasty

Orthopaedic implants and arthroplasty is a research topic within Surgery. Science Explorer counts 69k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on advancements in hip arthroplasty techniques and materials, including the use of metal-on-metal bearings, the impact of wear particles and osteolysis, implant failure and revision surgery, as well as the potential health effects of cobalt toxicity. It also explores minimally invasive approaches and the management of femoral fractures associated with hip replacements.

  • Hip Arthroplasty
  • Total Hip Replacement
  • Wear Particles
  • Metal-on-Metal Bearings
  • Osteolysis
  • Implant Failure
  • Revision Surgery
  • Cobalt Toxicity
  • Femoral Fractures
  • Minimally Invasive Approaches
Research works
69k
fractional, since 1950
In the world top 10%
6.8k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+8%
the tick is no change
Largest producer
United States
31% of the 10 largest, 2022-now
Orthopaedic implants and arthroplasty

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Orthopaedic implants and arthroplasty research?

By volume, the United States and China publish the most (3.1k and 2k works in 2022-now).

By volume, 2022-now

  1. 1 United States 3.1k works
  2. 2 China 2k works
  3. 3 India 921 works
  4. 4 Japan 778 works
  5. 5 Germany 773 works
  6. 6 United Kingdom 753 works
  7. 7 Italy 486 works
  8. 8 France 410 works
  9. 9 Türkiye 370 works
  10. 10 South Korea 338 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 31.2%China: 20.1%India: 9.3%Japan: 7.8%6 others listed: 31.6%31%largest
United States3,093 · 31.2%China1,991 · 20.1%India921 · 9.3%Japan778 · 7.8%6 others listed3,130 · 31.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Orthopaedic implants and arthroplasty research?

By volume in 2022-now, Memorial Sloan Kettering Cancer Center publishes the most Orthopaedic implants and arthroplasty research, followed by Mayo Clinic and Harvard University.

By volume, 2022-now

  1. 1 Memorial Sloan Kettering Cancer CenterUnited States 128 works
  2. 2 Mayo ClinicUnited States 124 works
  3. 3 Harvard UniversityUnited States 108 works
  4. 4 New York UniversityUnited States 97 works
  5. 5 Peking UniversityChina 96 works
  6. 6 Rush University Medical CenterUnited States 78 works
  7. 7 Sichuan UniversityChina 76 works
  8. 8 Shanghai Jiao Tong UniversityChina 73 works
  9. 9 Centre National de la Recherche ScientifiqueFrance 57 works
  10. 10 Cleveland ClinicUnited States 51 works

Who are the leading researchers in Orthopaedic implants and arthroplasty?

The most-cited researchers publishing on Orthopaedic implants and arthroplasty include David Moher, George Davey Smith and Julian P. T. Higgins.

  1. 1 David Moher Canada 898k citations
  2. 2 George Davey Smith United Kingdom 435k citations
  3. 3 Julian P. T. Higgins United Kingdom 390k citations
  4. 4 Hermann Brenner Germany 343k citations
  5. 5 Cyrus Cooper United Kingdom 342k citations
  6. 6 Stephan Windecker Switzerland 338k citations
  7. 7 Gordon Henry Guyatt Canada 315k citations
  8. 8 Dan J. Stein South Africa 306k citations
  9. 9 Peter Jüni Switzerland 303k citations
  10. 10 Róbert Langer United States 303k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Orthopaedic implants and arthroplasty?

The most cited paper in Orthopaedic implants and arthroplasty is "How useful is SBF in predicting in vivo bone bioactivity?" (Tadashi Kokubo, Hiroaki Takadama, 2006), with 9,606 citations. Next come "Projections of Primary and Revision Hip and Knee Arthroplasty in the United States from 2005 to 2030" (6,934) and "Porosity of 3D biomaterial scaffolds and osteogenesis" (6,635).

Most cited papers
#PaperReleasedCitations
1 How useful is SBF in predicting in vivo bone bioactivity? Tadashi Kokubo, Hiroaki Takadama · Biomaterials Feb 2006 9,606
2 Projections of Primary and Revision Hip and Knee Arthroplasty in the United States from 2005 to 2030 Steven Michael Kurtz, Kevin L. Ong, Edmund Lau et al. · Journal of Bone and Joint Surgery Apr 2007 6,934
3 Porosity of 3D biomaterial scaffolds and osteogenesis Vassilis Karageorgiou, David Lee Kaplan · Biomaterials 9 Apr 2005 6,635
4 Traumatic Arthritis of the Hip after Dislocation and Acetabular Fractures William Hamilton Harris · Journal of Bone and Joint Surgery Jun 1969 5,709
5 Ti based biomaterials, the ultimate choice for orthopaedic implants – A review M. Geetha, Ajay Singh, R. Asokamani et al. · Progress in Materials Science 12 Dec 2008 5,436
All 97 most cited papers, with filters and sorting

Where is Orthopaedic implants and arthroplasty research done?

The largest centres of Orthopaedic implants and arthroplasty research in 2022-now are Beijing (China), New York (United States), London (United Kingdom) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Westmont and Vail.

Largest cities, 2022-now

  1. 1 BeijingChina 313 works
  2. 2 New YorkUnited States 294 works
  3. 3 LondonUnited Kingdom 164 works
  4. 4 ShanghaiChina 148 works
  5. 5 SeoulSouth Korea 147 works
  6. 6 TokyoJapan 127 works
  7. 7 ChicagoUnited States 119 works
  8. 8 PhiladelphiaUnited States 109 works
  9. 9 ChengduChina 109 works
  10. 10 ParisFrance 106 works

Where it is the local speciality

  1. WestmontUS · 49.3 works400×
  2. VailUS · 23.4 works110×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Orthopaedic implants and arthroplasty than the world average.

See Orthopaedic implants and arthroplasty on the map

Where is the best place to study Orthopaedic implants and arthroplasty?

Among universities, judged by research, Peking University, Harvard University and New York University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 16.74%fractional works in this field (log) →share of work in the world top 10% →Sichuan UniversityPeking UniversityHarvard UniversityNew York University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Peking UniversityChina 66.713.7%3.8×96 +60.7%
2Harvard UniversityUnited States 65.811.0%2.8×108 +6.1%
3New York UniversityUnited States 64.48.7%7.0×97 +25.8%
4Sichuan UniversityChina 63.118.9%2.7×76 +10.4%
5University of BernSwitzerland 63.011.4%5.3×36 +21.2%
6University of Science and Technology BeijingChina 58.336.0%1.1×11 +19.8%
7University of BaselSwitzerland 57.822.2%3.8×18 +31.3%
8University College LondonUnited Kingdom 56.214.5%2.6×50 -6.1%
9University of GroningenNetherlands 55.917.5%2.2×19 +61.7%
10Shanghai Jiao Tong UniversityChina 55.513.5%2.1×73 -3.5%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Orthopaedic implants and arthroplasty, country by country

Is Orthopaedic implants and arthroplasty research growing?

Output in 2022-2025 was 8% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Orthopaedic implants and arthroplasty.

still counting19801990200020102020
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 Orthopaedic implants and arthroplasty as a percentage of every work published that year, 0.061% in 2024.

still counting0.025%0.050%0.075%Orthopaedic implants and arthroplasty0.059% in 202519801990200020102020

Fractional works of Orthopaedic implants and arthroplasty 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.

still counting5%10%15%Orthopaedic implants and arthroplasty9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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