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Topic · Surgery

Diverticular Disease and Complications

Diverticular Disease and Complications is a research topic within Surgery. Science Explorer counts 26k research works in it since 1950. 10.2% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the diagnosis, treatment, and management of diverticulitis, with an emphasis on acute complications such as perforation and abscess formation. It covers various surgical approaches including primary anastomosis and Hartmann's procedure, as well as the use of laparoscopic lavage. Additionally, the cluster explores the epidemiology and long-term outcomes of diverticular disease.

  • Diverticulitis
  • Treatment
  • Colonic Diverticulitis
  • Sigmoid Diverticulitis
  • Acute Complications
  • Perforated Diverticulitis
  • Primary Anastomosis
  • Hartmann's Procedure
  • Laparoscopic Lavage
  • Epidemiology
Research works
26k
fractional, since 1950
In the world top 10%
2.6k
per year above
Top-10% rate
10.2%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+2%
the tick is no change
Largest producer
United States
35% of the 10 largest, 2022-now
Diverticular Disease and Complications

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

Which countries lead Diverticular Disease and Complications research?

By volume, the United States and China publish the most (1k and 358 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1k works
  2. 2 China 358 works
  3. 3 United Kingdom 302 works
  4. 4 India 253 works
  5. 5 Japan 231 works
  6. 6 Italy 191 works
  7. 7 Germany 156 works
  8. 8 Spain 138 works
  9. 9 Brazil 124 works
  10. 10 Türkiye 119 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: 35.2%China: 12.4%United Kingdom: 10.4%India: 8.8%6 others listed: 33.2%35%largest
United States1,015 · 35.2%China358 · 12.4%United Kingdom302 · 10.4%India253 · 8.8%6 others listed958 · 33.2%

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

Which institutions lead Diverticular Disease and Complications research?

By volume in 2022-now, Cleveland Clinic publishes the most Diverticular Disease and Complications research, followed by Mayo Clinic and Harvard University.

Who are the leading researchers in Diverticular Disease and Complications?

The most-cited researchers publishing on Diverticular Disease and Complications include Walter Churchill Willett, Hermann Brenner and John P. A. Ioannidis.

  1. 1 Walter Churchill Willett United States 411k citations
  2. 2 Hermann Brenner Germany 343k citations
  3. 3 John P. A. Ioannidis United States 317k citations
  4. 4 Gordon Henry Guyatt Canada 315k citations
  5. 5 Dan J. Stein South Africa 306k citations
  6. 6 Reza Malekzadeh Iran 278k citations
  7. 7 Patrick M. Bossuyt Netherlands 270k citations
  8. 8 Jean‐Louis Vincent Belgium 262k 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 Diverticular Disease and Complications?

The most cited paper in Diverticular Disease and Complications is "Interaction revisited: the difference between two estimates" (Douglas G. Altman, J Martin Bland, 2003), with 3,202 citations. Next come "Infliximab for the Treatment of Fistulas in Patients with Crohn's Disease" (2,765) and "3rd European Evidence-based Consensus on the Diagnosis and Management of Crohn’s Disease 2016: Part 1: Diagnosis and Medical Management" (2,100).

Most cited papers
#PaperReleasedCitations
1 Interaction revisited: the difference between two estimates Douglas G. Altman, J Martin Bland · BMJ Open access 23 Jan 2003 3,202
2 Infliximab for the Treatment of Fistulas in Patients with Crohn's Disease Daniel H. Present, Paul Rutgeerts, Stephan Targan et al. · New England Journal of Medicine Open access 6 May 1999 2,765
3 3rd European Evidence-based Consensus on the Diagnosis and Management of Crohn’s Disease 2016: Part 1: Diagnosis and Medical Management Fernando Gomollón et al. · Journal of Crohn s and Colitis Open access 22 Sep 2016 2,100
4 Predictability of the postoperative course of Crohn's disease Paul Rutgeerts, Karel Geboes, G. Vantrappen et al. · Gastroenterology Oct 1990 1,836
5 A Case–Control Study of Screening Sigmoidoscopy and Mortality from Colorectal Cancer Joe V. Selby, GARY D. FRIEDMAN, Charles P. Quesenberry et al. · New England Journal of Medicine Open access 5 Mar 1992 1,730
All 100 most cited papers, with filters and sorting

Where is Diverticular Disease and Complications research done?

The largest centres of Diverticular Disease and Complications research in 2022-now are London (United Kingdom), Cleveland (United States), Tokyo (Japan) and New York (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Cleveland.

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 70 works
  2. 2 ClevelandUnited States 65 works
  3. 3 TokyoJapan 54 works
  4. 4 New YorkUnited States 53 works
  5. 5 MoscowRussia 46 works
  6. 6 BeijingChina 41 works
  7. 7 São PauloBrazil 37 works
  8. 8 RomeItaly 36 works
  9. 9 IstanbulTürkiye 34 works
  10. 10 MadridSpain 31 works

Where it is the local speciality

  1. ClevelandUS · 64.6 works10×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Diverticular Disease and Complications than the world average.

See Diverticular Disease and Complications on the map

Where is the best place to study Diverticular Disease and Complications?

Among universities, judged by research, Harvard University, The University of Sydney and Vanderbilt 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%30%mean 18.02%fractional works in this field (log) →share of work in the world top 10% →The University of Sy…Vanderbilt UniversityHarvard UniversityImperial College Lon…
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 79.022.8%2.2×27 -20.6%
2The University of SydneyAustralia 68.924.3%3.5×17 -6.2%
3Vanderbilt UniversityUnited States 63.023.8%3.9×11 +37.1%
4Imperial College LondonUnited Kingdom 62.016.6%4.0×15 -31.2%
5Tel Aviv UniversityIsrael 62.015.3%4.7×14 +50.1%
6King's College LondonUnited Kingdom 60.222.6%3.0×10 +14.3%
7University of North Carolina at Chapel HillUnited States 59.211.0%2.5×17 +21.0%
8Columbia UniversityUnited States 57.211.6%3.1×13 +76.8%
9Università Cattolica del Sacro CuoreItaly 56.920.2%7.4×12 -11.2%
10Sun Yat-sen UniversityChina 56.312.0%2.3×18 +65.3%

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 Diverticular Disease and Complications, country by country

Is Diverticular Disease and Complications research growing?

Output in 2022-2025 was 2% higher than in 2018-2021, peaking in 2021. The fastest-growing topics are Diverticular Disease and Complications.

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 Diverticular Disease and Complications as a percentage of every work published that year, 0.020% in 2024.

still counting0.020%0.040%0.060%Diverticular Disease and Complications0.017% in 202519801990200020102020

Fractional works of Diverticular Disease and Complications 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%Diverticular Disease and Complications10.3% 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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