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Topic · Cardiology and Cardiovascular Medicine

Cardiovascular Issues in Pregnancy

Cardiovascular Issues in Pregnancy is a research topic within Cardiology and Cardiovascular Medicine. Science Explorer counts 26k research works in it since 1950. 10.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the management, diagnosis, and outcomes of cardiovascular diseases during pregnancy, including peripartum cardiomyopathy, spontaneous coronary artery dissection, and congenital heart disease. It discusses the maternal and fetal outcomes, risk factors, and therapeutic management of these conditions.

  • Pregnancy
  • Cardiovascular Diseases
  • Peripartum Cardiomyopathy
  • Spontaneous Coronary Artery Dissection
  • Congenital Heart Disease
  • Maternal Outcome
  • Fetal Outcome
  • Risk Factors
  • Management
  • Therapy
Research works
26k
fractional, since 1950
In the world top 10%
2.7k
per year above
Top-10% rate
10.3%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+5%
the tick is no change
Largest producer
United States
46% of the 10 largest, 2022-now
Cardiovascular Issues in Pregnancy

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

Which countries lead Cardiovascular Issues in Pregnancy research?

By volume, the United States and China publish the most (1.6k and 388 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.6k works
  2. 2 China 388 works
  3. 3 India 302 works
  4. 4 United Kingdom 246 works
  5. 5 Italy 189 works
  6. 6 Japan 181 works
  7. 7 Canada 174 works
  8. 8 Germany 170 works
  9. 9 Australia 143 works
  10. 10 Spain 117 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: 45.8%China: 11.0%India: 8.6%United Kingdom: 7.0%6 others listed: 27.6%46%largest
United States1,617 · 45.8%China388 · 11.0%India302 · 8.6%United Kingdom246 · 7.0%6 others listed974 · 27.6%

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

Which institutions lead Cardiovascular Issues in Pregnancy research?

By volume in 2022-now, Harvard University publishes the most Cardiovascular Issues in Pregnancy research, followed by Mayo Clinic and University of Toronto.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 65 works
  2. 2 Mayo ClinicUnited States 50 works
  3. 3 University of TorontoCanada 37 works
  4. 4 All India Institute of Medical SciencesIndia 29 works
  5. 5 Johns Hopkins UniversityUnited States 26 works
  6. 6 Capital Medical UniversityChina 24 works
  7. 7 Northwestern UniversityUnited States 23 works
  8. 8 Stanford UniversityUnited States 22 works
  9. 9 The Ohio State UniversityUnited States 21 works
  10. 10 Cleveland ClinicUnited States 21 works

Who are the leading researchers in Cardiovascular Issues in Pregnancy?

The most-cited researchers publishing on Cardiovascular Issues in Pregnancy include George Davey Smith, Walter Churchill Willett and John J.V. McMurray.

  1. 1 George Davey Smith United Kingdom 435k citations
  2. 2 Walter Churchill Willett United States 411k citations
  3. 3 John J.V. McMurray United Kingdom 349k citations
  4. 4 Emelia J. Benjamin United States 341k citations
  5. 5 Stephan Windecker Switzerland 338k citations
  6. 6 Giuseppe Remuzzi Italy 328k citations
  7. 7 Gordon Henry Guyatt Canada 315k citations
  8. 8 Elie A. Akl Canada 313k citations
  9. 9 Gregory Y.H. Lip United Kingdom 311k citations
  10. 10 Lesley A. Stewart United Kingdom 308k 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 Cardiovascular Issues in Pregnancy?

The most cited paper in Cardiovascular Issues in Pregnancy is "ACC/AHA 2006 Guidelines for the Management of Patients With Valvular Heart Disease" (Robert O. Bonow, Blase Anthony Carabello, Kanu Chatterjee et al., 2006), with 8,516 citations. Next come "Updated Clinical Classification of Pulmonary Hypertension" (4,211) and "2022 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension" (3,956).

Most cited papers
#PaperReleasedCitations
1 ACC/AHA 2006 Guidelines for the Management of Patients With Valvular Heart Disease Robert O. Bonow, Blase Anthony Carabello, Kanu Chatterjee et al. · Circulation Open access Aug 2006 8,516
2 Updated Clinical Classification of Pulmonary Hypertension Gérald Simonneau, Michael Athanassios Gatzoulis, Ian Adatia et al. · Journal of the American College of Cardiology Open access Dec 2013 4,211
3 2022 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension Marc Humbert et al. · European Heart Journal Open access 26 Aug 2022 3,956
4 2018 ESC Guidelines for the management of cardiovascular diseases during pregnancy Vera Regitz‐Zagrosek et al. · European Heart Journal Open access135 authors 25 Aug 2018 2,323
5 Effectiveness-Based Guidelines for the Prevention of Cardiovascular Disease in Women—2011 Update Lori J. Mosca et al. · Circulation Open access 16 Feb 2011 2,149
All 99 most cited papers, with filters and sorting

Where is Cardiovascular Issues in Pregnancy research done?

The largest centres of Cardiovascular Issues in Pregnancy research in 2022-now are London (United Kingdom), New York (United States), 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 Scottsdale.

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 86 works
  2. 2 New YorkUnited States 74 works
  3. 3 BostonUnited States 67 works
  4. 4 PhiladelphiaUnited States 57 works
  5. 5 BeijingChina 56 works
  6. 6 TorontoCanada 49 works
  7. 7 ParisFrance 43 works
  8. 8 TokyoJapan 40 works
  9. 9 BaltimoreUnited States 40 works
  10. 10 HoustonUnited States 39 works

Where it is the local speciality

  1. ScottsdaleUS · 20.4 works8.0×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Cardiovascular Issues in Pregnancy than the world average.

See Cardiovascular Issues in Pregnancy on the map

Where is the best place to study Cardiovascular Issues in Pregnancy?

Among universities, judged by research, Harvard University, University of Toronto and Northwestern 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 19.07%fractional works in this field (log) →share of work in the world top 10% →Northwestern Univers…University of TorontoHarvard UniversityJohns Hopkins Univer…
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 73.117.6%4.5×65 +1.6%
2University of TorontoCanada 65.817.8%4.0×37 +4.8%
3Northwestern UniversityUnited States 61.522.3%6.1×23 +33.7%
4Johns Hopkins UniversityUnited States 60.517.2%3.7×26 +48.5%
5Erasmus University RotterdamNetherlands 54.936.7%3.9×9 -23.7%
6University of CopenhagenDenmark 54.618.7%2.9×12 +35.2%
7Vanderbilt UniversityUnited States 53.216.8%5.3×18 +41.7%
8Stanford UniversityUnited States 51.615.7%3.3×22 +8.5%
9Emory UniversityUnited States 51.312.1%5.6×21 +39.0%
10Duke UniversityUnited States 49.915.8%4.0×15 +35.2%

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 Cardiovascular Issues in Pregnancy, country by country

Is Cardiovascular Issues in Pregnancy research growing?

Output in 2022-2025 was 5% higher than in 2018-2021, peaking in 2021. The fastest-growing topics are Cardiovascular Issues in Pregnancy.

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 Cardiovascular Issues in Pregnancy as a percentage of every work published that year, 0.022% in 2024.

still counting0.020%0.040%Cardiovascular Issues in Pregnancy0.020% in 202519801990200020102020

Fractional works of Cardiovascular Issues in Pregnancy 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%Cardiovascular Issues in Pregnancy10.3% 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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