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Cardiac and Coronary Surgery Techniques

Cardiac and Coronary Surgery Techniques is a research topic within Surgery. Science Explorer counts 30k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on various aspects of cardiac surgery, particularly coronary artery bypass surgery, comparing on-pump versus off-pump techniques, assessing neurocognitive function, examining inflammatory responses, and evaluating graft patency and postoperative outcomes. The papers also discuss the impact of different surgical approaches, such as minimally invasive surgery, on cardiac and neurologic outcomes.

  • Coronary Artery Bypass Surgery
  • Cardiopulmonary Bypass
  • Neurocognitive Function
  • Inflammatory Response
  • Graft Patency
  • Off-Pump Surgery
  • Internal Mammary Artery Grafts
  • Stroke After Cardiac Surgery
  • Minimally Invasive Surgery
  • Cardiac Outcomes
Research works
30k
fractional, since 1950
In the world top 10%
3k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+15%
the tick is no change
Largest producer
United States
36% of the 10 largest, 2022-now
Cardiac and Coronary Surgery Techniques

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

Which countries lead Cardiac and Coronary Surgery Techniques research?

By volume, the United States and China publish the most (1.4k and 739 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.4k works
  2. 2 China 739 works
  3. 3 Germany 348 works
  4. 4 Japan 342 works
  5. 5 United Kingdom 232 works
  6. 6 Italy 224 works
  7. 7 Türkiye 203 works
  8. 8 India 177 works
  9. 9 Canada 155 works
  10. 10 Russia 144 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: 35.6%China: 18.6%Germany: 8.7%Japan: 8.6%6 others listed: 28.5%36%largest
United States1,414 · 35.6%China739 · 18.6%Germany348 · 8.7%Japan342 · 8.6%6 others listed1,135 · 28.5%

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

Which institutions lead Cardiac and Coronary Surgery Techniques research?

By volume in 2022-now, Harvard University publishes the most Cardiac and Coronary Surgery Techniques research, followed by Chinese Academy of Medical Sciences & Peking Union Medical College and Capital Medical University.

Who are the leading researchers in Cardiac and Coronary Surgery Techniques?

The most-cited researchers publishing on Cardiac and Coronary Surgery Techniques include Douglas G. Altman, Julian P. T. Higgins and John J.V. McMurray.

  1. 1 Douglas G. Altman United Kingdom 862k citations
  2. 2 Julian P. T. Higgins United Kingdom 390k citations
  3. 3 John J.V. McMurray United Kingdom 349k citations
  4. 4 Stephan Windecker Switzerland 338k citations
  5. 5 John P. A. Ioannidis United States 317k citations
  6. 6 Gordon Henry Guyatt Canada 315k citations
  7. 7 Elie A. Akl Canada 313k citations
  8. 8 Gregory Y.H. Lip United Kingdom 311k citations
  9. 9 Peter Jüni Switzerland 303k citations
  10. 10 Salim Yusuf Canada 294k 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 Cardiac and Coronary Surgery Techniques?

The most cited paper in Cardiac and Coronary Surgery Techniques is "2018 ESC/EACTS Guidelines on myocardial revascularization" (Franz‐Josef Neumann et al., 2018), with 7,291 citations. Next come "A Comparison of Balloon-Expandable-Stent Implantation with Balloon Angioplasty in Patients with Coronary Artery Disease" (4,563) and "Percutaneous Coronary Intervention versus Coronary-Artery Bypass Grafting for Severe Coronary Artery Disease" (4,377).

Most cited papers
#PaperReleasedCitations
1 2018 ESC/EACTS Guidelines on myocardial revascularization Franz‐Josef Neumann et al. · European Heart Journal Open access152 authors 25 Aug 2018 7,291
2 A Comparison of Balloon-Expandable-Stent Implantation with Balloon Angioplasty in Patients with Coronary Artery Disease Patrick W. Serruys, Peter de Jaegere, Ferdinand Kiemeneij et al. · New England Journal of Medicine Open access 25 Aug 1994 4,563
3 Percutaneous Coronary Intervention versus Coronary-Artery Bypass Grafting for Severe Coronary Artery Disease Patrick W.J.C. Serruys, Marie‐Claude Morice, A. Pieter Kappetein et al. · New England Journal of Medicine Open access 18 Feb 2009 4,377
4 A Randomized Comparison of Coronary-Stent Placement and Balloon Angioplasty in the Treatment of Coronary Artery Disease David Lee Fischman et al. · New England Journal of Medicine Open access 25 Aug 1994 4,271
5 A Randomized Comparison of a Sirolimus-Eluting Stent with a Standard Stent for Coronary Revascularization Marie‐Claude Morice, Patrick W.J.C. Serruys, José Eduardo Sousa et al. · New England Journal of Medicine Open access 6 Jun 2002 4,047
All 99 most cited papers, with filters and sorting

Where is Cardiac and Coronary Surgery Techniques research done?

The largest centres of Cardiac and Coronary Surgery Techniques research in 2022-now are Beijing (China), New York (United States), London (United Kingdom) and Istanbul (Türkiye). Among places with at least 20 works in it, it is an unusually large share of all research in Kemerovo.

Largest cities, 2022-now

  1. 1 BeijingChina 172 works
  2. 2 New YorkUnited States 87 works
  3. 3 LondonUnited Kingdom 80 works
  4. 4 IstanbulTürkiye 74 works
  5. 5 TokyoJapan 66 works
  6. 6 ClevelandUnited States 65 works
  7. 7 ShanghaiChina 61 works
  8. 8 BostonUnited States 58 works
  9. 9 PhiladelphiaUnited States 56 works
  10. 10 MoscowRussia 53 works

Where it is the local speciality

  1. KemerovoRU · 21.3 works29×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Cardiac and Coronary Surgery Techniques than the world average.

See Cardiac and Coronary Surgery Techniques on the map

Where is the best place to study Cardiac and Coronary Surgery Techniques?

Among universities, judged by research, Harvard University, Cornell University and Columbia 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%10%20%mean 16.75%fractional works in this field (log) →share of work in the world top 10% →Sichuan UniversityCornell UniversityColumbia UniversityHarvard 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
1Harvard UniversityUnited States 84.313.9%4.0×62 +20.0%
2Cornell UniversityUnited States 76.021.6%5.5×35 -9.8%
3Columbia UniversityUnited States 73.316.1%4.9×26 +24.7%
4Sichuan UniversityChina 72.423.2%2.5×28 +33.7%
5University of TorontoCanada 71.613.0%3.3×33 +2.8%
6Johns Hopkins UniversityUnited States 70.214.7%3.1×23 +24.7%
7Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 68.810.3%11.7×60 +63.6%
8Medical University of ViennaAustria 68.418.3%11.5×18 +7.6%
9Emory UniversityUnited States 63.515.0%5.2×20 +5.8%
10KU LeuvenBelgium 62.521.4%2.4×11 +92.7%

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 Cardiac and Coronary Surgery Techniques, country by country

Is Cardiac and Coronary Surgery Techniques research growing?

Output in 2022-2025 was 15% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Cardiac and Coronary Surgery Techniques.

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 Cardiac and Coronary Surgery Techniques as a percentage of every work published that year, 0.020% in 2024.

still counting0.020%0.040%0.060%Cardiac and Coronary Surgery Techniques0.026% in 202519801990200020102020

Fractional works of Cardiac and Coronary Surgery Techniques 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%Cardiac and Coronary Surgery Techniques9.9% 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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