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Topic · Critical Care and Intensive Care Medicine

Nosocomial Infections in ICU

Nosocomial Infections in ICU is a research topic within Critical Care and Intensive Care Medicine. Science Explorer counts 31k 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, diagnosis, treatment, and prevention of ventilator-associated pneumonia (VAP) in intensive care unit (ICU) patients. It covers topics such as antibiotic therapy, healthcare-associated infections, respiratory tract decontamination, nosocomial infections, and microbial investigation. The papers also discuss the impact of VAP on patient outcomes and the implementation of evidence-based guidelines for preventing VAP.

  • Ventilator-associated Pneumonia
  • ICU
  • Antibiotic Therapy
  • Healthcare-associated Infections
  • Prevention Guidelines
  • Nosocomial Infections
  • Respiratory Tract Decontamination
  • Microbial Investigation
  • Pulmonary Infections
  • Endotracheal Tubes
Research works
31k
fractional, since 1950
In the world top 10%
3.1k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+12%
the tick is no change
Largest producer
United States
29% of the 10 largest, 2022-now
Nosocomial Infections in ICU

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

Which countries lead Nosocomial Infections in ICU research?

By volume, the United States and China publish the most (1.4k and 1k works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.4k works
  2. 2 China 1k works
  3. 3 India 504 works
  4. 4 Spain 302 works
  5. 5 United Kingdom 287 works
  6. 6 Brazil 277 works
  7. 7 Japan 259 works
  8. 8 Türkiye 256 works
  9. 9 France 242 works
  10. 10 Germany 240 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: 28.9%China: 21.4%India: 10.6%Spain: 6.3%6 others listed: 32.8%29%largest
United States1,381 · 28.9%China1,020 · 21.4%India504 · 10.6%Spain302 · 6.3%6 others listed1,563 · 32.8%

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

Which institutions lead Nosocomial Infections in ICU research?

By volume in 2022-now, All India Institute of Medical Sciences publishes the most Nosocomial Infections in ICU research, followed by Sichuan University and Inserm.

By volume, 2022-now

  1. 1 All India Institute of Medical SciencesIndia 44 works
  2. 2 Sichuan UniversityChina 41 works
  3. 3 InsermFrance 38 works
  4. 4 Harvard UniversityUnited States 38 works
  5. 5 Capital Medical UniversityChina 34 works
  6. 6 Zhejiang UniversityChina 32 works
  7. 7 Shanghai Jiao Tong UniversityChina 29 works
  8. 8 Nanjing Medical UniversityChina 27 works
  9. 9 Instituto de Salud Carlos IIISpain 27 works
  10. 10 United States Department of Veterans AffairsUnited States 25 works

Who are the leading researchers in Nosocomial Infections in ICU?

The most-cited researchers publishing on Nosocomial Infections in ICU include Zulfiqar Ahmed Bhutta, Matthias Egger and Gordon Henry Guyatt.

  1. 1 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  2. 2 Matthias Egger Switzerland 326k citations
  3. 3 Gordon Henry Guyatt Canada 315k citations
  4. 4 Dan J. Stein South Africa 306k citations
  5. 5 Jeremy Grimshaw Canada 281k citations
  6. 6 Yousef Saleh Khader Jordan 274k citations
  7. 7 Patrick M. Bossuyt Netherlands 270k citations
  8. 8 Penny F. Whiting United Kingdom 264k citations
  9. 9 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 Nosocomial Infections in ICU?

The most cited paper in Nosocomial Infections in ICU is "Epidemiology of severe sepsis in the United States: Analysis of incidence, outcome, and associated costs of care" (Derek C. Angus, Walter T. Linde‐Zwirble, Jeffrey R. Lidicker et al., 2001), with 8,644 citations. Next come "Surviving Sepsis Campaign: International Guidelines for Management of Severe Sepsis and Septic Shock, 2012" (7,373) and "Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock: 2016" (6,868).

Most cited papers
#PaperReleasedCitations
1 Epidemiology of severe sepsis in the United States: Analysis of incidence, outcome, and associated costs of care Derek C. Angus, Walter T. Linde‐Zwirble, Jeffrey R. Lidicker et al. · Critical Care Medicine Jul 2001 8,644
2 Surviving Sepsis Campaign: International Guidelines for Management of Severe Sepsis and Septic Shock, 2012 Richard P. Dellinger et al. · Intensive Care Medicine Open access 29 Jan 2013 7,373
3 Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock: 2016 Andrew Rhodes et al. · Intensive Care Medicine Open access 18 Jan 2017 6,868
4 CDC/NHSN surveillance definition of health care–associated infection and criteria for specific types of infections in the acute care setting Teresa C Horan, Mary L. Andrus, Margaret A. Dudeck · American Journal of Infection Control Jun 2008 6,712
5 Epidemiology, Patterns of Care, and Mortality for Patients With Acute Respiratory Distress Syndrome in Intensive Care Units in 50 Countries Giacomo Bellani, John Gerard Laffey, Tài Pham et al. · JAMA Open access 22 Feb 2016 6,014
All 98 most cited papers, with filters and sorting

Where is Nosocomial Infections in ICU research done?

The largest centres of Nosocomial Infections in ICU research in 2022-now are Beijing (China), Paris (France), Madrid (Spain) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Ambato and Karachi.

Largest cities, 2022-now

  1. 1 BeijingChina 122 works
  2. 2 ParisFrance 93 works
  3. 3 MadridSpain 88 works
  4. 4 LondonUnited Kingdom 79 works
  5. 5 ShanghaiChina 77 works
  6. 6 SeoulSouth Korea 73 works
  7. 7 São PauloBrazil 67 works
  8. 8 IstanbulTürkiye 64 works
  9. 9 TokyoJapan 61 works
  10. 10 GuangzhouChina 60 works

Where it is the local speciality

  1. AmbatoEC · 20.2 works6.7×
  2. KarachiPK · 38.8 works4.2×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Nosocomial Infections in ICU than the world average.

See Nosocomial Infections in ICU on the map

Where is the best place to study Nosocomial Infections in ICU?

Among universities, judged by research, Sichuan University, University of Gondar and University of Toronto score highest, combining citation 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 19.03%fractional works in this field (log) →share of work in the world top 10% →University of GondarUniversity of TorontoHarvard UniversitySichuan 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.

Citation 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
1Sichuan UniversityChina 64.513.6%2.7×41 +111.6%
2University of GondarEthiopia 62.128.2%9.0×9 +141.3%
3University of TorontoCanada 60.819.8%1.8×24 -15.1%
4Harvard UniversityUnited States 60.617.2%1.8×38 -30.4%
5University of PaduaItaly 58.736.4%1.5×8 +177.4%
6Johns Hopkins UniversityUnited States 58.419.9%2.3×24 -17.3%
7Zhejiang UniversityChina 56.911.0%1.8×32 +67.6%
8Washington University in St. LouisUnited States 56.213.3%3.7×17 +15.5%
9Université Paris CitéFrance 55.417.2%3.9×19 -13.4%
10Nanjing Medical UniversityChina 55.213.7%4.6×27 +114.4%

Universities only. The score blends citation 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 Nosocomial Infections in ICU, country by country

Is Nosocomial Infections in ICU research growing?

Output in 2022-2025 was 12% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Nosocomial Infections in ICU.

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 Nosocomial Infections in ICU as a percentage of every work published that year, 0.026% in 2024.

still counting0.020%0.040%Nosocomial Infections in ICU0.032% in 202519801990200020102020

Fractional works of Nosocomial Infections in ICU 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%Nosocomial Infections in ICU10.1% 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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