Evidence map›Paper›PMID 40836061›Full record

ArticleScientific reports2025

Parameter analysis using swallowing sounds shows differences in bolus volume, bolus viscosity, sex, and age.

Yuka Konoike, Kei Naramura, Takahiro Hasegawa, Izumi Tsukayama, Saya Maruoka, Takayo Kawakami, Kayoko Ishii, Tomoya Yoshida, Masaki Hokari, Toshiko Suzuki-Yamamoto

Abstract read
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In one paragraph

Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Yuka KonoikeDepartment of Nutritional Science, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan.
Kei NaramuraDepartment of Human Information Engineering, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan.
Takahiro HasegawaDepartment of Human Information Engineering, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan.
Izumi TsukayamaDepartment of Nutritional Science, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan.
Saya MaruokaDepartment of Nutritional Science, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan.
Takayo KawakamiDepartment of Nutritional Science, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan.
Kayoko IshiiDepartment of Nutrition and Health Science, Fukuyama University, 985-1 Sanzo, Higashimura-cho, Fukuyama, 729-0292, Hiroshima, Japan.
Tomoya YoshidaDepartment of Human Information Engineering, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan.
Masaki HokariDepartment of Human Information Engineering, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan. mhokari@ss.oka-pu.ac.jp.
Toshiko Suzuki-YamamotoDepartment of Nutritional Science, Okayama Prefectural University, 111 Kuboki, Soja, 719-1197, Okayama, Japan. toshiko@fhw.oka-pu.ac.jp.

Funding

Japan Society for the Promotion of Science 22H00954
6 · The paper itself

Abstract

Acoustic analysis of pharyngeal sounds during swallowing may capture physiological functions, providing a noninvasive method for early screening of swallowing decline. In this study, we examined changes in swallowing function across variations in bolus volume, bolus viscosity, sex, and age using parameters such as swallowing duration, average voltage, and swallowing power derived from swallowing sounds. The results showed that average voltage and swallowing power were significantly higher in men, both in younger (aged 20-25 years) and older (aged 50-65 years) groups, regardless of bolus volume and viscosity. These parameters generally decreased as bolus viscosity increased, with significant differences observed in all participants except older men. Regarding swallowing duration, older men took significantly longer to swallow a high-viscosity bolus compared to younger men, whereas no age-related differences were observed in women. This finding suggests that men experience greater age-related deterioration in swallowing than women. Overall, this simple and noninvasive measurement method appears to be an effective and objective tool for evaluating swallowing function. It is capable of detecting alterations associated with sex and aging, as well as changes in swallowing status related to the physical properties of dysphagia diets.

Indexed as

DeglutitionDeglutition DisordersSoundAdultAgedAge FactorsAgingFemaleHumansMaleMiddle AgedSex FactorsViscosityYoung AdultAcoustic analysisCervical auscultationDeglutitionDeglutition disordersMeasurementSwallowing sounds

Identifiers

PMID40836061
PMCPMC12368031

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.