Dysphagia Assessment and Management

Dysphagia Assessment and Management is a research topic within Speech and Hearing. Science Explorer counts 33k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on dysphagia, swallowing disorders, and their impact on various populations such as stroke patients, the elderly, and individuals with neurological disorders. It covers topics including aspiration pneumonia, rehabilitation, quality of life, and nutritional support for individuals with dysphagia.

Dysphagia
Swallowing
Aspiration Pneumonia
Stroke
Elderly
Rehabilitation
Neurological Disorders
Quality of Life
Oropharyngeal Dysphagia
Nutritional Support

Research works: 33k
In the world top 10%: 3.3k
Top-10% rate: 10.1%
Growth, 2018-21 → 2022-25: +13%
Largest producer: United States

Dysphagia Assessment and Management

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

Which countries lead Dysphagia Assessment and Management research?

By volume, the United States and China publish the most (1.6k and 944 works in 2022-now).

By volume, 2022-now

1 United States 1.6k works
2 China 944 works
3 Japan 768 works
4 India 379 works
5 United Kingdom 365 works
6 Brazil 333 works
7 Italy 264 works
8 Germany 258 works
9 South Korea 254 works
10 Türkiye 226 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 States1,634 · 30.1%China944 · 17.4%Japan768 · 14.2%India379 · 7.0%6 others listed1,700 · 31.3%

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

Which institutions lead Dysphagia Assessment and Management research?

By volume in 2022-now, Harvard University publishes the most Dysphagia Assessment and Management research, followed by Mayo Clinic and Sichuan University.

By volume, 2022-now

1 Harvard UniversityUnited States 64 works
2 Mayo ClinicUnited States 40 works
3 Sichuan UniversityChina 39 works
4 Sun Yat-sen UniversityChina 35 works
5 University of TorontoCanada 31 works
6 Universidade de São PauloBrazil 29 works
7 Capital Medical UniversityChina 25 works
8 The University of SydneyAustralia 24 works
9 Fudan UniversityChina 24 works
10 Cornell UniversityUnited States 24 works

Who are the leading researchers in Dysphagia Assessment and Management?

The most-cited researchers publishing on Dysphagia Assessment and Management include George Davey Smith, Cyrus Cooper and Jun Wang.

1 George Davey Smith United Kingdom 435k citations
2 Cyrus Cooper United Kingdom 342k citations
3 Jun Wang China 340k citations
4 Graeme J. Hankey Australia 316k citations
5 Gregory Y.H. Lip United Kingdom 311k citations
6 Dan J. Stein South Africa 306k citations
7 Róbert Langer United States 303k 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 Dysphagia Assessment and Management?

The most cited paper in Dysphagia Assessment and Management is "Nutritional risk screening (NRS 2002): a new method based on an analysis of controlled clinical trials" (Jens Kondrup, 2003), with 3,078 citations. Next come "Reliability and Factor Analysis of the Epworth Sleepiness Scale" (2,152) and "Gut microbiota are related to Parkinson's disease and clinical phenotype" (2,030).

Most cited papers
#	Paper	Released	Citations
1	Nutritional risk screening (NRS 2002): a new method based on an analysis of controlled clinical trials Jens Kondrup · Clinical Nutrition	25 Mar 2003	3,078
2	Reliability and Factor Analysis of the Epworth Sleepiness Scale Murrayb W. Johns · SLEEP	Jul 1992	2,152
3	Gut microbiota are related to Parkinson's disease and clinical phenotype Filip Scheperjans, Velma T. E. Aho, Pedro A. B. Pereira et al. · Movement Disorders Open access	5 Dec 2014	2,030
4	Initial Psychometric Assessment of a Functional Oral Intake Scale for Dysphagia in Stroke Patients Michael A. Crary, Giselle D. Carnaby Mann, Michael E. Groher · Archives of Physical Medicine and Rehabilitation	Aug 2005	1,861
5	Peroral endoscopic myotomy (POEM) for esophageal achalasia Haruhiro Inoue, Hironobu Minami, Yasutoshi Kobayashi et al. · Endoscopy	30 Mar 2010	1,825

All 100 most cited papers, with filters and sorting

Where is Dysphagia Assessment and Management research done?

The largest centres of Dysphagia Assessment and Management research in 2022-now are Tokyo (Japan), London (United Kingdom), Seoul (South Korea) and Beijing (China). Among places with at least 20 works in it, it is an unusually large share of all research in Niigata.

Largest cities, 2022-now

1 TokyoJapan 198 works
2 LondonUnited Kingdom 126 works
3 SeoulSouth Korea 110 works
4 BeijingChina 109 works
5 São PauloBrazil 88 works
6 ShanghaiChina 78 works
7 GuangzhouChina 78 works
8 BostonUnited States 68 works
9 IstanbulTürkiye 66 works
10 New YorkUnited States 65 works

Where it is the local speciality

NiigataJP · 23.2 works15×

← less than its size predicts1×more →

Location quotient: how much more of its research is in Dysphagia Assessment and Management than the world average.

See Dysphagia Assessment and Management on the map

Where is the best place to study Dysphagia Assessment and Management?

Among universities, judged by research, Harvard University, University of Toronto and Fudan 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.

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.

#	University	Score	Top 10%	Specialisation	Works	Growth
1	Harvard UniversityUnited States	75.3	16.5%	3.0×	64	+2.6%
2	University of TorontoCanada	71.9	16.8%	2.2×	31	+16.9%
3	Fudan UniversityChina	67.3	18.5%	2.3×	24	+75.5%
4	Shanghai Jiao Tong UniversityChina	63.1	24.9%	1.0×	20	+13.4%
5	Humanitas UniversityItaly	61.2	22.8%	8.3×	8	+4.3%
6	Sichuan UniversityChina	61.0	12.5%	2.5×	39	+108.7%
7	The University of QueenslandAustralia	60.9	16.9%	3.6×	23	-9.5%
8	University of PaduaItaly	60.7	22.1%	2.2×	12	+33.4%
9	Northwestern UniversityUnited States	60.6	15.9%	4.0×	23	-26.0%
10	University College LondonUnited Kingdom	59.7	11.8%	2.1×	23	+18.8%
11	Sun Yat-sen UniversityChina	58.9	13.5%	2.5×	35	+63.0%
12	University of AmsterdamNetherlands	58.9	20.6%	2.9×	12	+5.6%
13	Università Cattolica del Sacro CuoreItaly	58.3	20.3%	3.9×	12	+26.2%
14	National Taiwan UniversityTaiwan	57.5	13.6%	4.4×	19	+47.5%
15	Guangzhou University of Chinese MedicineChina	57.1	23.7%	6.0×	10	+160.7%
16	McGill UniversityCanada	56.7	16.6%	2.4×	16	+109.4%
17	Cornell UniversityUnited States	56.2	12.1%	2.7×	24	+55.1%
18	University of CopenhagenDenmark	56.1	18.7%	1.7×	11	+75.0%
19	Capital Medical UniversityChina	55.2	16.6%	3.5×	25	+9.5%
20	Université Paris-SaclayFrance	55.2	17.0%	2.5×	11	+267.3%
21	King's College LondonUnited Kingdom	54.9	14.5%	2.5×	14	+15.2%
22	Soochow UniversityChina	54.0	19.8%	1.8×	12	+93.8%
23	University of ManchesterUnited Kingdom	54.0	22.1%	2.0×	12	-9.2%
24	Karolinska InstitutetSweden	53.5	18.2%	3.2×	12	-12.6%
25	University of California, San FranciscoUnited States	53.4	7.2%	3.8×	18	+75.5%
26	Medical University of WarsawPoland	53.2	20.7%	7.0×	10	+68.7%
27	Chulalongkorn UniversityThailand	53.1	20.4%	3.0×	9	+112.6%
28	University of WashingtonUnited States	52.9	12.6%	2.3×	18	+25.8%
29	Zhejiang UniversityChina	52.5	14.5%	1.2×	21	+291.2%
30	Universitat Autònoma de BarcelonaSpain	52.5	13.1%	2.9×	13	+27.1%
31	University of FloridaUnited States	52.1	11.9%	2.6×	19	+11.2%
32	Johns Hopkins UniversityUnited States	51.6	15.5%	2.1×	22	-33.4%
33	University of California San DiegoUnited States	51.6	17.6%	2.6×	17	+6.3%
34	Trinity College DublinIreland	51.5	9.3%	6.7×	19	+60.1%
35	Vanderbilt UniversityUnited States	51.3	11.9%	2.9×	14	+23.6%
36	University of Hong KongChina	50.4	12.5%	1.9×	12	+34.1%
37	Zhengzhou UniversityChina	49.9	17.0%	2.2×	18	+128.0%
38	University of CincinnatiUnited States	49.7	9.0%	4.9×	20	+25.3%
39	The University of SydneyAustralia	49.4	12.4%	3.0×	24	-15.4%
40	University of AucklandNew Zealand	49.1	12.4%	3.9×	14	+14.2%
41	Huazhong University of Science and TechnologyChina	48.7	24.7%	0.7×	9	+45.5%
42	Radboud University NijmegenNetherlands	48.1	15.2%	2.8×	11	-37.6%
43	SHOWA Medical UniversityJapan	47.8	6.9%	31.9×	22	+15.0%
44	KU LeuvenBelgium	46.2	18.4%	1.4×	9	-24.0%
45	Tokyo Medical and Dental UniversityJapan	45.1	8.9%	22.7×	19	-0.2%
46	Universidade de São PauloBrazil	44.4	7.5%	2.1×	29	+3.0%
47	University of ZurichSwitzerland	43.8	20.8%	1.7×	8	-16.2%
48	American University of BeirutLebanon	39.2	3.4%	14.4×	15	+114.5%
49	Kaohsiung Medical UniversityTaiwan	38.9	6.8%	8.8×	9	+92.8%
50	Imperial College LondonUnited Kingdom	38.5	13.0%	1.5×	10	-10.7%
51	All India Institute of Medical SciencesIndia	34.8	2.9%	3.2×	24	+68.9%
52	King Saud UniversitySaudi Arabia	31.1	6.1%	1.3×	8	+157.3%
53	Niigata UniversityJapan	31.0	3.7%	19.4×	18	-20.2%
54	Fujita Health UniversityJapan	29.3	5.3%	21.1×	12	-14.7%
55	Universidade Federal de Ciências da Saúde de Porto AlegreBrazil	28.4	5.9%	18.3×	9	+6.7%
56	International University of Health and WelfareJapan	25.9	6.2%	18.0×	9	+3.9%
57	Nihon UniversityJapan	23.4	2.5%	7.7×	10	+6.4%

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 Dysphagia Assessment and Management, country by country

Is Dysphagia Assessment and Management research growing?

Output in 2022-2025 was 13% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Dysphagia Assessment and Management.

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 Dysphagia Assessment and Management as a percentage of every work published that year, 0.031% in 2024.

Fractional works of Dysphagia Assessment and Management 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.

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.

Discussion

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Which countries lead Dysphagia Assessment and Management research?

By volume, 2022-now

How concentrated that is

Which institutions lead Dysphagia Assessment and Management research?

By volume, 2022-now

Who are the leading researchers in Dysphagia Assessment and Management?

What are the most cited papers in Dysphagia Assessment and Management?

Where is Dysphagia Assessment and Management research done?

Largest cities, 2022-now

Where it is the local speciality

Where is the best place to study Dysphagia Assessment and Management?

Is Dysphagia Assessment and Management research growing?

Its share of all research

How much of it reaches the world top 10%

Which topics inside it are moving

Related research

Discussion