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Topic · Critical Care and Intensive Care Medicine

Intensive Care Unit Cognitive Disorders

Intensive Care Unit Cognitive Disorders is a research topic within Critical Care and Intensive Care Medicine. Science Explorer counts 42k 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 management and impact of delirium in adult patients in the intensive care unit, particularly those undergoing mechanical ventilation. It covers topics such as sedation protocols, cognitive impairment, ICU-acquired weakness, rehabilitation, and long-term outcomes after critical illness.

  • Delirium
  • Intensive Care Unit
  • Mechanically Ventilated Patients
  • Sedation
  • Cognitive Dysfunction
  • ICU-Acquired Weakness
  • Postoperative
  • Elderly Patients
  • Rehabilitation
  • Neuromuscular Dysfunction
Research works
42k
fractional, since 1950
In the world top 10%
4.2k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+29%
the tick is no change
Largest producer
United States
33% of the 10 largest, 2022-now
Intensive Care Unit Cognitive Disorders

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

Which countries lead Intensive Care Unit Cognitive Disorders research?

By volume, the United States and China publish the most (2.9k and 2.2k works in 2022-now).

By volume, 2022-now

  1. 1 United States 2.9k works
  2. 2 China 2.2k works
  3. 3 United Kingdom 694 works
  4. 4 Germany 564 works
  5. 5 India 520 works
  6. 6 Japan 488 works
  7. 7 Canada 412 works
  8. 8 Australia 394 works
  9. 9 Brazil 389 works
  10. 10 Italy 383 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: 32.7%China: 24.3%United Kingdom: 7.8%Germany: 6.3%6 others listed: 28.9%33%largest
United States2,926 · 32.7%China2,173 · 24.3%United Kingdom694 · 7.8%Germany564 · 6.3%6 others listed2,587 · 28.9%

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

Which institutions lead Intensive Care Unit Cognitive Disorders research?

By volume in 2022-now, Harvard University publishes the most Intensive Care Unit Cognitive Disorders research, followed by University of Toronto and Capital Medical University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 164 works
  2. 2 University of TorontoCanada 87 works
  3. 3 Capital Medical UniversityChina 77 works
  4. 4 Sichuan UniversityChina 73 works
  5. 5 Johns Hopkins UniversityUnited States 72 works
  6. 6 Mayo ClinicUnited States 68 works
  7. 7 Nanjing Medical UniversityChina 60 works
  8. 8 All India Institute of Medical SciencesIndia 55 works
  9. 9 United States Department of Veterans AffairsUnited States 55 works
  10. 10 Vanderbilt UniversityUnited States 54 works

Who are the leading researchers in Intensive Care Unit Cognitive Disorders?

The most-cited researchers publishing on Intensive Care Unit Cognitive Disorders include David Moher, Theo Vos and George Davey Smith.

  1. 1 David Moher Canada 898k citations
  2. 2 Theo Vos United States 439k citations
  3. 3 George Davey Smith United Kingdom 435k citations
  4. 4 Ronald C. Kessler United States 360k citations
  5. 5 John J.V. McMurray United Kingdom 349k citations
  6. 6 Hermann Brenner Germany 343k citations
  7. 7 Emelia J. Benjamin United States 341k citations
  8. 8 Valery L. Feigin New Zealand 341k citations
  9. 9 Jun Wang China 340k citations
  10. 10 Giuseppe Remuzzi Italy 328k 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 Intensive Care Unit Cognitive Disorders?

The most cited paper in Intensive Care Unit Cognitive Disorders is "The Montreal Cognitive Assessment, MoCA: A Brief Screening Tool For Mild Cognitive Impairment" (Ziad Samir Nasreddine, Natalie A. Phillips, Valérie Bédirian et al., 2005), with 26,231 citations. Next come "Surviving Sepsis Campaign" (9,769) and "Acute Respiratory Distress Syndrome" (8,927).

Most cited papers
#PaperReleasedCitations
1 The Montreal Cognitive Assessment, MoCA: A Brief Screening Tool For Mild Cognitive Impairment Ziad Samir Nasreddine, Natalie A. Phillips, Valérie Bédirian et al. · Journal of the American Geriatrics Society 30 Mar 2005 26,231
2 Surviving Sepsis Campaign R. Phillip Dellinger et al. · Critical Care Medicine 26 Jan 2013 9,769
3 Acute Respiratory Distress Syndrome Ards Definition Task Force · JAMA 20 May 2012 8,927
4 Clarifying Confusion: The Confusion Assessment Method Sharon K. Inouye, Christopher H. van Dyck, Cathy A. Alessi et al. · Annals of Internal Medicine 15 Dec 1990 5,341
5 Clinical Practice Guidelines for the Prevention and Management of Pain, Agitation/Sedation, Delirium, Immobility, and Sleep Disruption in Adult Patients in the ICU John W. Devlin et al. · Critical Care Medicine Open access 16 Aug 2018 4,050
All 99 most cited papers, with filters and sorting

Where is Intensive Care Unit Cognitive Disorders research done?

The largest centres of Intensive Care Unit Cognitive Disorders research in 2022-now are Beijing (China), London (United Kingdom), Boston (United States) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Luzhou.

Largest cities, 2022-now

  1. 1 BeijingChina 232 works
  2. 2 LondonUnited Kingdom 194 works
  3. 3 BostonUnited States 168 works
  4. 4 ShanghaiChina 142 works
  5. 5 MelbourneAustralia 127 works
  6. 6 SeoulSouth Korea 127 works
  7. 7 New YorkUnited States 123 works
  8. 8 TorontoCanada 118 works
  9. 9 TokyoJapan 116 works
  10. 10 ParisFrance 114 works

Where it is the local speciality

  1. LuzhouCN · 22.0 works6.8×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Intensive Care Unit Cognitive Disorders than the world average.

See Intensive Care Unit Cognitive Disorders on the map

Where is the best place to study Intensive Care Unit Cognitive Disorders?

Among universities, judged by research, Harvard University, University of Toronto and Sichuan 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%mean 16.18%fractional works in this field (log) →share of work in the world top 10% →University of OxfordUniversity of TorontoSichuan UniversityHarvard University
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 82.014.7%4.5×164 +7.5%
2University of TorontoCanada 80.518.5%3.8×87 +11.0%
3Sichuan UniversityChina 72.018.4%2.9×73 +121.8%
4University of OxfordUnited Kingdom 70.518.6%1.4×22 +25.5%
5University of California, San FranciscoUnited States 69.714.5%5.4×44 +22.9%
6Johns Hopkins UniversityUnited States 67.711.5%4.1×72 -1.2%
7Capital Medical UniversityChina 66.413.9%6.3×77 +35.8%
8University College LondonUnited Kingdom 66.116.4%1.9×34 -0.3%
9Huazhong University of Science and TechnologyChina 66.020.8%1.6×33 +69.2%
10University of CopenhagenDenmark 65.914.5%3.2×34 +20.1%

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 Intensive Care Unit Cognitive Disorders, country by country

Is Intensive Care Unit Cognitive Disorders research growing?

Output in 2022-2025 was 29% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Intensive Care Unit Cognitive 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 Intensive Care Unit Cognitive Disorders as a percentage of every work published that year, 0.051% in 2024.

still counting0.020%0.040%0.060%Intensive Care Unit Cognitive Disorders0.057% in 202519801990200020102020

Fractional works of Intensive Care Unit Cognitive 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%Intensive Care Unit Cognitive Disorders10.0% 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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