Bariatric Surgery and Outcomes
Bariatric Surgery and Outcomes is a research topic within Surgery. Science Explorer counts 30k research works in it since 1950. 26.0% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on the effects of bariatric surgery on obesity, diabetes, and associated health outcomes. It covers topics such as weight loss, cardiovascular risk factors, metabolic surgery, and long-term impact on diabetes control. The research also delves into lifestyle interventions and the relationship between bariatric surgery and mortality rates.
- Bariatric Surgery
- Obesity
- Diabetes
- Metabolic Surgery
- Weight Loss
- Cardiovascular Risk
- Lifestyle Intervention
- Type 2 Diabetes
- Gastric Bypass
- Health Outcomes
- Research works
- 30k fractional, since 1950
- In the world top 10%
- 7.7k per year above
- Top-10% rate
- 26.0% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +26% the tick is no change
This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.
Which countries lead Bariatric Surgery and Outcomes research?
By volume, the United States and China publish the most (1.9k and 713 works in 2022–2025).
By volume, 2022–2025
- 1 United States 1.9k works
- 2 China 713 works
- 3 United Kingdom 428 works
- 4 Brazil 245 works
- 5 Italy 232 works
- 6 Spain 228 works
- 7 Germany 219 works
- 8 Japan 193 works
- 9 Australia 180 works
- 10 India 174 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.
Shares of the rows listed above, not of the whole node.
Which institutions lead Bariatric Surgery and Outcomes research?
By volume in 2022–2025, Mayo Clinic in Arizona publishes the most Bariatric Surgery and Outcomes research, followed by Brigham and Women's Hospital and Ain Shams University.
By volume, 2022–2025
- 1 Mayo Clinic in ArizonaUnited States 35 works
- 2 Brigham and Women's HospitalUnited States 34 works
- 3 Ain Shams UniversityEgypt 34 works
- 4 Harvard UniversityUnited States 30 works
- 5 Cleveland ClinicUnited States 27 works
- 6 Mayo ClinicUnited States 23 works
- 7 Yale UniversityUnited States 23 works
- 8 University of MichiganUnited States 22 works
- 9 Mayo Clinic in FloridaUnited States 22 works
- 10 Iran University of Medical SciencesIran 20 works
Who are the leading researchers in Bariatric Surgery and Outcomes?
The most-cited researchers publishing on Bariatric Surgery and Outcomes include Mostafa Qorbani.
- 1 Mostafa Qorbani Iran 5.9k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Bariatric Surgery and Outcomes research done?
The largest centres of Bariatric Surgery and Outcomes research in 2022–2025 are London (United Kingdom), Beijing (China), Tehran (Iran) and Boston (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Scottsdale, Rochester and Jacksonville.
Largest cities, 2022–2025
Where it is the local speciality
- ScottsdaleUS · 34.7 works11×
- RochesterUS · 25.5 works9.3×
- JacksonvilleUS · 25.0 works7.7×
Location quotient: how much more of its research is in Bariatric Surgery and Outcomes than the world average.
Where is the best place to study Bariatric Surgery and Outcomes?
Among universities, judged by research, Iran University of Medical Sciences, Örebro University and Ain Shams 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.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | Iran University of Medical SciencesIran | 67.0 | 27.4% | 11.2× | 20 | +798.3% |
| 2 | Örebro UniversitySweden | 58.5 | 26.5% | 14.2× | 9 | +442.8% |
| 3 | Ain Shams UniversityEgypt | 54.8 | 5.1% | 7.1× | 34 | +652.2% |
| 4 | Shahid Beheshti University of Medical SciencesIran | 54.7 | 22.1% | 7.3× | 17 | +330.5% |
| 5 | Harvard UniversityUnited States | 54.3 | 37.9% | 3.6× | 30 | +41.7% |
| 6 | University College DublinIreland | 53.6 | 52.8% | 4.4× | 12 | +53.5% |
| 7 | Alexandria UniversityEgypt | 50.1 | 15.9% | 5.7× | 18 | +298.6% |
| 8 | Johns Hopkins UniversityUnited States | 47.2 | 39.5% | 2.3× | 17 | +131.7% |
| 9 | Karolinska InstitutetSweden | 46.3 | 28.8% | 5.0× | 15 | +33.2% |
| 10 | Capital Medical UniversityChina | 46.0 | 32.2% | 3.5× | 14 | +522.6% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Bariatric Surgery and Outcomes research growing?
Output in 2018–2022 was 26% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Bariatric Surgery and Outcomes.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
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.