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Topic · Surgery

Enhanced Recovery After Surgery

Enhanced Recovery After Surgery is a research topic within Surgery. Science Explorer counts 24k 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 implementation and impact of Enhanced Recovery After Surgery (ERAS) protocols, including strategies to improve surgical outcomes, perioperative care guidelines, management of postoperative ileus, and the use of multimodal approaches to enhance recovery. The research covers a wide range of surgical procedures, with a particular emphasis on colorectal surgery.

  • Enhanced Recovery
  • Surgical Care
  • Fast-Track Surgery
  • Perioperative Care
  • Colorectal Surgery
  • Postoperative Ileus
  • Multimodal Management
  • Preoperative Fasting
  • ERAS Protocol
  • Clinical Pathway
Research works
24k
fractional, since 1950
In the world top 10%
2.4k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+30%
the tick is no change
Largest producer
China
33% of the 10 largest, 2022-now
Enhanced Recovery After Surgery

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

Which countries lead Enhanced Recovery After Surgery research?

By volume, China and the United States publish the most (1.9k and 1.5k works in 2022-now).

By volume, 2022-now

  1. 1 China 1.9k works
  2. 2 United States 1.5k works
  3. 3 United Kingdom 415 works
  4. 4 Japan 366 works
  5. 5 India 337 works
  6. 6 Türkiye 259 works
  7. 7 Germany 220 works
  8. 8 Italy 204 works
  9. 9 Canada 197 works
  10. 10 Australia 189 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.

China: 33.4%United States: 27.5%United Kingdom: 7.4%Japan: 6.5%6 others listed: 25.1%33%largest
China1,874 · 33.4%United States1,543 · 27.5%United Kingdom415 · 7.4%Japan366 · 6.5%6 others listed1,406 · 25.1%

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

Which institutions lead Enhanced Recovery After Surgery research?

By volume in 2022-now, Harvard University publishes the most Enhanced Recovery After Surgery research, followed by Sichuan University and Nanjing Medical University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 75 works
  2. 2 Sichuan UniversityChina 68 works
  3. 3 Nanjing Medical UniversityChina 50 works
  4. 4 Zhejiang UniversityChina 49 works
  5. 5 Sun Yat-sen UniversityChina 46 works
  6. 6 Capital Medical UniversityChina 45 works
  7. 7 All India Institute of Medical SciencesIndia 42 works
  8. 8 Shanghai Jiao Tong UniversityChina 40 works
  9. 9 Mayo ClinicUnited States 39 works
  10. 10 Soochow UniversityChina 38 works

Who are the leading researchers in Enhanced Recovery After Surgery?

The most-cited researchers publishing on Enhanced Recovery After Surgery include David Moher, George Davey Smith and Hermann Brenner.

  1. 1 David Moher Canada 898k citations
  2. 2 George Davey Smith United Kingdom 435k citations
  3. 3 Hermann Brenner Germany 343k citations
  4. 4 Cyrus Cooper United Kingdom 342k citations
  5. 5 Jun Wang China 340k citations
  6. 6 Matthias Egger Switzerland 326k citations
  7. 7 Gordon Henry Guyatt Canada 315k citations
  8. 8 Dan J. Stein South Africa 306k citations
  9. 9 Salim Yusuf Canada 294k citations
  10. 10 Isabelle Boutron France 271k 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 Enhanced Recovery After Surgery?

The most cited paper in Enhanced Recovery After Surgery is "Enhanced Recovery After Surgery" (Olle H. Ljungqvist, Michael J. Scott, Kenneth C. H. Fearon, 2017), with 3,575 citations. Next come "The SCARE 2023 guideline: updating consensus Surgical CAse REport (SCARE) guidelines" (3,096) and "Delayed gastric emptying (DGE) after pancreatic surgery: A suggested definition by the International Study Group of Pancreatic Surgery (ISGPS)" (3,066).

Most cited papers
#PaperReleasedCitations
1 Enhanced Recovery After Surgery Olle H. Ljungqvist, Michael J. Scott, Kenneth C. H. Fearon · JAMA Surgery 17 Jan 2017 3,575
2 The SCARE 2023 guideline: updating consensus Surgical CAse REport (SCARE) guidelines Catrin Sohrabi, Ginimol Mathew, Maria Nicola et al. · International Journal of Surgery Open access 4 Apr 2023 3,096
3 Delayed gastric emptying (DGE) after pancreatic surgery: A suggested definition by the International Study Group of Pancreatic Surgery (ISGPS) Moritz N. Wente, Claudio Bassi, Christos Dervenis et al. · Surgery Nov 2007 3,066
4 Multimodal approach to control postoperative pathophysiology and rehabilitation Henrik Kehlet · British Journal of Anaesthesia Open access May 1997 2,863
5 Laparoscopy-assisted colectomy versus open colectomy for treatment of non-metastatic colon cancer: a randomised trial Antonio M. Lacy, Juan Carlos García‐Valdecasas, Salvadora Delgado et al. · The Lancet Jun 2002 2,464
All 99 most cited papers, with filters and sorting

Where is Enhanced Recovery After Surgery research done?

The largest centres of Enhanced Recovery After Surgery research in 2022-now are Beijing (China), Shanghai (China), Chengdu (China) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Xuzhou.

Largest cities, 2022-now

  1. 1 BeijingChina 184 works
  2. 2 ShanghaiChina 142 works
  3. 3 ChengduChina 120 works
  4. 4 LondonUnited Kingdom 115 works
  5. 5 SeoulSouth Korea 105 works
  6. 6 GuangzhouChina 101 works
  7. 7 HangzhouChina 88 works
  8. 8 NanjingChina 86 works
  9. 9 IstanbulTürkiye 85 works
  10. 10 TokyoJapan 80 works

Where it is the local speciality

  1. XuzhouCN · 22.0 works8.1×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Enhanced Recovery After Surgery than the world average.

See Enhanced Recovery After Surgery on the map

Where is the best place to study Enhanced Recovery After Surgery?

Among universities, judged by research, Harvard University, Monash University and Radboud University Nijmegen 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 16.91%fractional works in this field (log) →share of work in the world top 10% →Radboud University N…Monash UniversityHarvard UniversityUniversity of Copenh…
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 70.014.7%3.4×75 +0.9%
2Monash UniversityAustralia 67.221.7%2.0×14 +49.0%
3Radboud University NijmegenNetherlands 66.526.1%3.7×15 +8.2%
4University of CopenhagenDenmark 66.213.4%5.0×33 +56.8%
5Sichuan UniversityChina 65.914.6%4.3×68 +48.0%
6University of TorontoCanada 64.914.4%2.6×36 +13.0%
7Soochow UniversityChina 62.215.7%5.7×38 +170.1%
8KU LeuvenBelgium 61.217.5%2.8×19 +25.9%
9McGill UniversityCanada 59.017.5%3.6×25 -23.8%
10University of CalgaryCanada 58.613.5%4.2×20 +53.5%

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 Enhanced Recovery After Surgery, country by country

Is Enhanced Recovery After Surgery research growing?

Output in 2022-2025 was 30% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Enhanced Recovery After Surgery.

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 Enhanced Recovery After Surgery as a percentage of every work published that year, 0.029% in 2024.

still counting0.020%0.040%Enhanced Recovery After Surgery0.036% in 202519801990200020102020

Fractional works of Enhanced Recovery After Surgery 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%Enhanced Recovery After Surgery10.0% 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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