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Topic · Emergency Medicine

Intramuscular injections and effects

Intramuscular injections and effects is a research topic within Emergency Medicine. Science Explorer counts 8.3k research works in it since 1950. 10.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the techniques, complications, and best practices related to intramuscular injections, particularly in the context of vaccine administration. It covers topics such as shoulder injuries, Nicolau Syndrome, injection site pain management, and the impact of injection techniques on immunogenicity and adverse reactions. The cluster also explores the challenges of administering intramuscular injections in specific populations, such as obese individuals and infants.

  • Intramuscular Injections
  • Vaccine Administration
  • Shoulder Injury
  • Nicolau Syndrome
  • Injection Technique
  • Subcutaneous Heparin
  • Immunogenicity
  • Pain Management
  • Gluteal Injections
  • Adverse Reactions
Research works
8.3k
fractional, since 1950
In the world top 10%
857
per year above
Top-10% rate
10.3%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+22%
the tick is no change
Largest producer
United States
32% of the 10 largest, 2022-now
Intramuscular injections and effects

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

Which countries lead Intramuscular injections and effects research?

By volume, the United States and India publish the most (370 and 208 works in 2022-now).

By volume, 2022-now

  1. 1 United States 370 works
  2. 2 India 208 works
  3. 3 Türkiye 118 works
  4. 4 China 85 works
  5. 5 Brazil 71 works
  6. 6 United Kingdom 70 works
  7. 7 Russia 63 works
  8. 8 Japan 61 works
  9. 9 Spain 55 works
  10. 10 France 54 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: 32.0%India: 18.0%Türkiye: 10.2%China: 7.3%6 others listed: 32.5%32%largest
United States370 · 32.0%India208 · 18.0%Türkiye118 · 10.2%China85 · 7.3%6 others listed375 · 32.5%

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

Which institutions lead Intramuscular injections and effects research?

By volume in 2022-now, All India Institute of Medical Sciences publishes the most Intramuscular injections and effects research, followed by Harvard University and Saveetha University.

By volume, 2022-now

  1. 1 All India Institute of Medical SciencesIndia 12 works
  2. 2 Harvard UniversityUnited States 8 works
  3. 3 Saveetha UniversityIndia 8 works
  4. 4 Johns Hopkins UniversityUnited States 8 works
  5. 5 Mayo ClinicUnited States 8 works
  6. 6 Sağlık Bilimleri ÜniversitesiTürkiye 7 works
  7. 7 Tehran University of Medical SciencesIran 6 works
  8. 8 University of PennsylvaniaUnited States 6 works
  9. 9 Sechenov UniversityRussia 6 works
  10. 10 McMaster UniversityCanada 5 works

Who are the leading researchers in Intramuscular injections and effects?

The most-cited researchers publishing on Intramuscular injections and effects include Cyrus Cooper, Gordon Henry Guyatt and Elie A. Akl.

  1. 1 Cyrus Cooper United Kingdom 342k citations
  2. 2 Gordon Henry Guyatt Canada 315k citations
  3. 3 Elie A. Akl Canada 313k citations
  4. 4 Gregory Y.H. Lip United Kingdom 311k citations
  5. 5 Peter Jüni Switzerland 303k citations
  6. 6 Yousef Saleh Khader Jordan 274k 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 Intramuscular injections and effects?

The most cited paper in Intramuscular injections and effects is "Heparin-Induced Thrombocytopenia in Patients Treated with Low-Molecular-Weight Heparin or Unfractionated Heparin" (Theodore Earl Warkentin, Mark N. Levine, Jack Hirsh et al., 1995), with 2,349 citations. Next come "The Faces Pain Scale – Revised: toward a common metric in pediatric pain measurement" (2,085) and "Are healthcare workers’ intentions to vaccinate related to their knowledge, beliefs and attitudes? a systematic review" (1,708).

Most cited papers
#PaperReleasedCitations
1 Heparin-Induced Thrombocytopenia in Patients Treated with Low-Molecular-Weight Heparin or Unfractionated Heparin Theodore Earl Warkentin, Mark N. Levine, Jack Hirsh et al. · New England Journal of Medicine Open access 18 May 1995 2,349
2 The Faces Pain Scale – Revised: toward a common metric in pediatric pain measurement Carrie L. Hicks, Carl L. von Baeyer, Pamela A. Spafford et al. · Pain Aug 2001 2,085
3 Are healthcare workers’ intentions to vaccinate related to their knowledge, beliefs and attitudes? a systematic review Raúl Herzog, Ma José Álvarez-Pasquin, Camino Díaz et al. · BMC Public Health ReviewOpen access 19 Feb 2013 1,708
4 Thrombosis and Thrombocytopenia after ChAdOx1 nCoV-19 Vaccination Nina Haagenrud Schultz, Ingvild Hausberg Sørvoll, Annika Elisabeth Michelsen et al. · New England Journal of Medicine Open access 9 Apr 2021 1,515
5 Undertaking a literature review: a step-by-step approach Patricia A. Cronin, Frances Ryan, Michael Coughlan · British Journal of Nursing Open access 2008 1,428
All 96 most cited papers, with filters and sorting

Where is Intramuscular injections and effects research done?

The largest centres of Intramuscular injections and effects research in 2022-now are Istanbul (Türkiye), Moscow (Russia), London (United Kingdom) and Chennai (India). Among places with at least 20 works in it, it is an unusually large share of all research in Istanbul.

Largest cities, 2022-now

  1. 1 IstanbulTürkiye 28 works
  2. 2 MoscowRussia 26 works
  3. 3 LondonUnited Kingdom 21 works
  4. 4 ChennaiIndia 19 works
  5. 5 TehranIran 17 works
  6. 6 ParisFrance 17 works
  7. 7 MadridSpain 16 works
  8. 8 PhiladelphiaUnited States 16 works
  9. 9 TokyoJapan 16 works
  10. 10 SeoulSouth Korea 16 works

Where it is the local speciality

  1. IstanbulTR · 28.0 works3.1×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Intramuscular injections and effects than the world average.

See Intramuscular injections and effects on the map

Where is the best place to study Intramuscular injections and effects?

Among universities, judged by research, Harvard University and All India Institute of Medical Sciences 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.

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 58.019.4%1.6×8 +12.0%
2All India Institute of Medical SciencesIndia 50.05.3%6.4×12 +72.1%

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 Intramuscular injections and effects, country by country

Is Intramuscular injections and effects research growing?

Output in 2022-2025 was 22% higher than in 2018-2021, peaking in 2022. The fastest-growing topics are Intramuscular injections and effects.

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 Intramuscular injections and effects as a percentage of every work published that year, 0.0071% in 2024.

still counting0.0050%0.010%0.015%Intramuscular injections and effects0.0069% in 202519801990200020102020

Fractional works of Intramuscular injections and effects 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%Intramuscular injections and effects11.0% 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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