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Topic · Surgery

Intestinal Malrotation and Obstruction Disorders

Intestinal Malrotation and Obstruction Disorders is a research topic within Surgery. Science Explorer counts 19k 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 covers a wide range of intestinal disorders, including intestinal malrotation, pyloric stenosis, colonic volvulus, duodenal atresia, and acute colonic pseudo-obstruction. It also discusses genetic mutations (TTC7A), neostigmine treatment, and the use of laparoscopic surgery for these conditions.

  • Intestinal Malrotation
  • Pyloric Stenosis
  • Colonic Volvulus
  • Duodenal Atresia
  • Acute Colonic Pseudo-Obstruction
  • TTC7A Mutations
  • Neostigmine Treatment
  • Sigmoid Volvulus
  • Laparoscopic Surgery
  • Congenital Anomalies
Research works
19k
fractional, since 1950
In the world top 10%
1.9k
per year above
Top-10% rate
10.2%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+5%
the tick is no change
Largest producer
United States
31% of the 10 largest, 2022-now
Intestinal Malrotation and Obstruction Disorders

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

Which countries lead Intestinal Malrotation and Obstruction Disorders research?

By volume, the United States and India publish the most (586 and 271 works in 2022-now).

By volume, 2022-now

  1. 1 United States 586 works
  2. 2 India 271 works
  3. 3 China 268 works
  4. 4 Japan 168 works
  5. 5 United Kingdom 142 works
  6. 6 Türkiye 105 works
  7. 7 Brazil 103 works
  8. 8 Italy 88 works
  9. 9 Germany 81 works
  10. 10 Spain 74 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: 31.1%India: 14.4%China: 14.2%Japan: 8.9%6 others listed: 31.4%31%largest
United States586 · 31.1%India271 · 14.4%China268 · 14.2%Japan168 · 8.9%6 others listed592 · 31.4%

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

Which institutions lead Intestinal Malrotation and Obstruction Disorders research?

By volume in 2022-now, All India Institute of Medical Sciences publishes the most Intestinal Malrotation and Obstruction Disorders research, followed by Harvard University and Cleveland Clinic.

By volume, 2022-now

  1. 1 All India Institute of Medical SciencesIndia 25 works
  2. 2 Harvard UniversityUnited States 16 works
  3. 3 Cleveland ClinicUnited States 14 works
  4. 4 Zhejiang UniversityChina 13 works
  5. 5 Mayo ClinicUnited States 12 works
  6. 6 Atatürk UniversityTürkiye 12 works
  7. 7 Capital Medical UniversityChina 10 works
  8. 8 Université Paris CitéFrance 10 works
  9. 9 Mexican Social Security InstituteMexico 10 works
  10. 10 The Ohio State UniversityUnited States 10 works

Who are the leading researchers in Intestinal Malrotation and Obstruction Disorders?

The most-cited researchers publishing on Intestinal Malrotation and Obstruction Disorders include Jun Wang and Kai You Wang.

  1. 1 Jun Wang China 340k citations
  2. 2 Kai You Wang China 224k 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 Intestinal Malrotation and Obstruction Disorders?

The most cited paper in Intestinal Malrotation and Obstruction Disorders is "Neonatal Necrotizing Enterocolitis" (Martin Bell, Jessie L. Ternberg, Ralph D. Feigin et al., 1978), with 3,580 citations. Next come "Necrotizing Enterocolitis: Treatment Based on Staging Criteria" (1,904) and "Ulcerative Colitis Practice Guidelines in Adults (Update): American College of Gastroenterology, Practice Parameters Committee" (1,765).

Most cited papers
#PaperReleasedCitations
1 Neonatal Necrotizing Enterocolitis Martin Bell, Jessie L. Ternberg, Ralph D. Feigin et al. · Annals of Surgery Open access 1978 3,580
2 Necrotizing Enterocolitis: Treatment Based on Staging Criteria Michele C. Walsh, Robert M. Kliegman · Pediatric Clinics of North America Open access Feb 1986 1,904
3 Ulcerative Colitis Practice Guidelines in Adults (Update): American College of Gastroenterology, Practice Parameters Committee Asher A. Kornbluth, David B. Sachar · The American Journal of Gastroenterology Jul 2004 1,765
4 Proposed classification of complications of surgery with examples of utility in cholecystectomy. Pierre-Alain Clavien, Juan Ramon Sanabria, Steven M. Strasberg · PubMed May 1992 1,640
5 Diagnosis and Management of Complicated Intra-abdominal Infection in Adults and Children: Guidelines by the Surgical Infection Society and the Infectious Diseases Society of America Joseph S. Solomkin, John E. Mazuski, John S. Bradley et al. · Clinical Infectious Diseases 24 Dec 2009 1,577
All 99 most cited papers, with filters and sorting

Where is Intestinal Malrotation and Obstruction Disorders research done?

The largest centres of Intestinal Malrotation and Obstruction Disorders research in 2022-now are London (United Kingdom), Tokyo (Japan), New Delhi (India) and Beijing (China).

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 43 works
  2. 2 TokyoJapan 31 works
  3. 3 New DelhiIndia 31 works
  4. 4 BeijingChina 29 works
  5. 5 Mexico CityMexico 27 works
  6. 6 IstanbulTürkiye 24 works
  7. 7 São PauloBrazil 24 works
  8. 8 MoscowRussia 23 works
  9. 9 ParisFrance 22 works
  10. 10 RomeItaly 21 works
See Intestinal Malrotation and Obstruction Disorders on the map

Where is the best place to study Intestinal Malrotation and Obstruction Disorders?

Among universities, judged by research, Harvard University, Chongqing Medical University and Zhejiang 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 23.65%fractional works in this field (log) →share of work in the world top 10% →Chongqing Medical Un…Harvard UniversityZhejiang UniversityAll India Institute …
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 67.331.1%1.9×16 -12.1%
2Chongqing Medical UniversityChina 58.336.1%5.5×8 +79.2%
3Zhejiang UniversityChina 54.023.2%1.9×13 +78.2%
4All India Institute of Medical SciencesIndia 53.95.5%8.3×25 +52.0%
5University College LondonUnited Kingdom 52.131.7%2.1×9 -42.4%
6University of TorontoCanada 50.325.1%1.7×9 -41.3%
7The Ohio State UniversityUnited States 47.026.3%3.0×10 -7.9%
8Capital Medical UniversityChina 46.825.9%3.5×10 +20.1%
9Atatürk UniversityTürkiye 45.811.9%12.2×12 +7.7%
10Université Paris CitéFrance 44.419.7%4.9×10 -8.7%

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 Intestinal Malrotation and Obstruction Disorders, country by country

Is Intestinal Malrotation and Obstruction Disorders research growing?

Output in 2022-2025 was 5% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Intestinal Malrotation and Obstruction Disorders.

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 Intestinal Malrotation and Obstruction Disorders as a percentage of every work published that year, 0.013% in 2024.

still counting0.010%0.020%0.030%Intestinal Malrotation and Obstruction Disorders0.013% in 202519801990200020102020

Fractional works of Intestinal Malrotation and Obstruction Disorders 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%Intestinal Malrotation and Obstruction Disorders10.3% 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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