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Topic · Epidemiology

Congenital Heart Disease Studies

Congenital Heart Disease Studies is a research topic within Epidemiology. Science Explorer counts 63k 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 the epidemiology, management, and outcomes of congenital heart disease, covering topics such as cardiac surgery, pulmonary valve replacement, neurodevelopmental outcomes, adult congenital heart disease, mortality risk, fetal cardiac disease, ventricular function, echocardiogram guidelines, and the Fontan procedure.

  • Congenital Heart Disease
  • Cardiac Surgery
  • Pulmonary Valve Replacement
  • Neurodevelopmental Outcomes
  • Adult Congenital Heart Disease
  • Mortality Risk
  • Fetal Cardiac Disease
  • Ventricular Function
  • Echocardiogram Guidelines
  • Fontan Procedure
Research works
63k
fractional, since 1950
In the world top 10%
6.3k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+9%
the tick is no change
Largest producer
United States
43% of the 10 largest, 2022-now
Congenital Heart Disease Studies

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

Which countries lead Congenital Heart Disease Studies research?

By volume, the United States and China publish the most (3.9k and 1.2k works in 2022-now).

By volume, 2022-now

  1. 1 United States 3.9k works
  2. 2 China 1.2k works
  3. 3 India 709 works
  4. 4 Japan 661 works
  5. 5 United Kingdom 556 works
  6. 6 Germany 542 works
  7. 7 Italy 468 works
  8. 8 Canada 400 works
  9. 9 Brazil 323 works
  10. 10 Türkiye 309 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: 43.2%China: 13.1%India: 7.8%Japan: 7.3%6 others listed: 28.6%43%largest
United States3,922 · 43.2%China1,188 · 13.1%India709 · 7.8%Japan661 · 7.3%6 others listed2,597 · 28.6%

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

Which institutions lead Congenital Heart Disease Studies research?

By volume in 2022-now, Harvard University publishes the most Congenital Heart Disease Studies research, followed by Mayo Clinic and University of Toronto.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 201 works
  2. 2 Mayo ClinicUnited States 144 works
  3. 3 University of TorontoCanada 110 works
  4. 4 Baylor College of MedicineUnited States 100 works
  5. 5 All India Institute of Medical SciencesIndia 99 works
  6. 6 University of CincinnatiUnited States 93 works
  7. 7 Stanford UniversityUnited States 80 works
  8. 8 Emory UniversityUnited States 78 works
  9. 9 Shanghai Jiao Tong UniversityChina 78 works
  10. 10 Children's Hospital of PhiladelphiaUnited States 76 works

Who are the leading researchers in Congenital Heart Disease Studies?

The most-cited researchers publishing on Congenital Heart Disease Studies include Simon Iain Hay, Theo Vos and George Davey Smith.

  1. 1 Simon Iain Hay United States 452k citations
  2. 2 Theo Vos United States 439k citations
  3. 3 George Davey Smith United Kingdom 435k citations
  4. 4 Mark J. Daly United States 403k citations
  5. 5 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  6. 6 John J.V. McMurray United Kingdom 349k citations
  7. 7 Emelia J. Benjamin United States 341k citations
  8. 8 Jun Wang China 340k citations
  9. 9 Stephan Windecker Switzerland 338k citations
  10. 10 John P. A. Ioannidis United States 317k 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 Congenital Heart Disease Studies?

The most cited paper in Congenital Heart Disease Studies is "Heart Disease and Stroke Statistics—2012 Update" (Writing Group Members et al., 2011), with 7,242 citations. Next come "Transcatheter Aortic-Valve Implantation for Aortic Stenosis in Patients Who Cannot Undergo Surgery" (7,239) and "2015 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension" (7,043).

Most cited papers
#PaperReleasedCitations
1 Heart Disease and Stroke Statistics—2012 Update Writing Group Members et al. · Circulation Open access 16 Dec 2011 7,242
2 Transcatheter Aortic-Valve Implantation for Aortic Stenosis in Patients Who Cannot Undergo Surgery Martin B. Leon et al. · New England Journal of Medicine Open access 20 Oct 2010 7,239
3 2015 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension Nazzareno Galiè et al. · European Heart Journal Open access126 authors 29 Aug 2015 7,043
4 Transcatheter versus Surgical Aortic-Valve Replacement in High-Risk Patients Craig R. Smith et al. · New England Journal of Medicine Open access 5 Jun 2011 6,389
5 The incidence of congenital heart disease Julien I.E. Hoffman, Samuel Kaplan · Journal of the American College of Cardiology Open access Jun 2002 6,175
All 100 most cited papers, with filters and sorting

Where is Congenital Heart Disease Studies research done?

The largest centres of Congenital Heart Disease Studies research in 2022-now are London (United Kingdom), Beijing (China), Boston (United States) and Philadelphia (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Chicago and Valhalla.

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 231 works
  2. 2 BeijingChina 203 works
  3. 3 BostonUnited States 188 works
  4. 4 PhiladelphiaUnited States 183 works
  5. 5 HoustonUnited States 158 works
  6. 6 New YorkUnited States 154 works
  7. 7 TokyoJapan 145 works
  8. 8 TorontoCanada 137 works
  9. 9 ShanghaiChina 128 works
  10. 10 IstanbulTürkiye 118 works

Where it is the local speciality

  1. ChicagoUS · 24.9 works34×
  2. ValhallaUS · 21.1 works13×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Congenital Heart Disease Studies than the world average.

See Congenital Heart Disease Studies on the map

Where is the best place to study Congenital Heart Disease Studies?

Among universities, judged by research, Harvard University, University of Toronto and University of Pennsylvania 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%30%mean 17.68%fractional works in this field (log) →share of work in the world top 10% →University of Gothen…University of TorontoUniversity of Pennsy…Harvard 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 88.217.6%5.6×201 +9.0%
2University of TorontoCanada 80.018.1%4.8×110 -3.2%
3University of PennsylvaniaUnited States 74.917.7%4.9×58 +16.3%
4University of GothenburgSweden 74.624.5%4.8×26 +34.5%
5University of California, San FranciscoUnited States 72.020.7%4.6×36 +13.2%
6University of ZurichSwitzerland 69.015.5%5.1×40 +25.4%
7Duke UniversityUnited States 68.718.0%3.4×31 +29.8%
8University of CincinnatiUnited States 67.612.4%14.0×93 +8.0%
9The Ohio State UniversityUnited States 67.315.5%5.5×75 +23.9%
10Cornell UniversityUnited States 66.616.8%3.5×51 +19.2%

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 Congenital Heart Disease Studies, country by country

Is Congenital Heart Disease Studies research growing?

Output in 2022-2025 was 9% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Congenital Heart Disease Studies.

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 Congenital Heart Disease Studies as a percentage of every work published that year, 0.053% in 2024.

still counting0.025%0.050%0.075%Congenital Heart Disease Studies0.052% in 202519801990200020102020

Fractional works of Congenital Heart Disease Studies 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%Congenital Heart Disease Studies9.9% 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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