An attempt of swallowing frequency measurement by using portable monitoring system

Mitsuhiro Ogawa; Keiichiro Shindo; Shin Ichi Izumi

An attempt of swallowing frequency measurement by using portable monitoring system

Mitsuhiro Ogawa, Keiichiro Shindo, Shin Ichi Izumi

MEN - Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Because a low frequency of swallowing may lead to a worsening of oral aseptic conditions, it is considered necessary to maintain a normal frequency of swallowing to prevent aspiration pneumonia. We have measured the frequency of swallowing during the night using a portable sound recording system consisting of an IC recorder and a piezoelectric microphone. Using this system, the sounds of swallowing from the gular region were recorded from 2 subject and their sleepings. Recording sounds were clear and having little environmental noise The sound of swallowing was detected using an algorithm employing two digital Butterworth band pass filters. As a result, the frequency of swallowing during sleep was obtained. The developed system shows promise in the non-invasive measurement of the frequency of swallowing.

Original language	English
Title of host publication	Proceedings of the 3rd IASTED International Conference on Biomedical Engineering 2005
Editors	M.H. Hamza
Pages	462-467
Number of pages	6
Publication status	Published - 2005
Event	3rd IASTED International Conference on Medical Engineering 2005 - Innsbruck, Austria Duration: 2005 Feb 16 → 2005 Feb 18

Publication series

Name	Proceedings of the 3rd IASTED International Conference on Biomedical Engineering 2005

Other

Other	3rd IASTED International Conference on Medical Engineering 2005
Country	Austria
City	Innsbruck
Period	05/2/16 → 05/2/18

Keywords

Aspiration pneumonia
Frequency of swallowing
Swallowing sound
Time-frequency analysis

ASJC Scopus subject areas

Engineering(all)

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Cite this

An attempt of swallowing frequency measurement by using portable monitoring system. / Ogawa, Mitsuhiro; Shindo, Keiichiro; Izumi, Shin Ichi.

Proceedings of the 3rd IASTED International Conference on Biomedical Engineering 2005. ed. / M.H. Hamza. 2005. p. 462-467 (Proceedings of the 3rd IASTED International Conference on Biomedical Engineering 2005).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ogawa, M, Shindo, K & Izumi, SI 2005, An attempt of swallowing frequency measurement by using portable monitoring system. in MH Hamza (ed.), Proceedings of the 3rd IASTED International Conference on Biomedical Engineering 2005. Proceedings of the 3rd IASTED International Conference on Biomedical Engineering 2005, pp. 462-467, 3rd IASTED International Conference on Medical Engineering 2005, Innsbruck, Austria, 05/2/16.

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abstract = "Because a low frequency of swallowing may lead to a worsening of oral aseptic conditions, it is considered necessary to maintain a normal frequency of swallowing to prevent aspiration pneumonia. We have measured the frequency of swallowing during the night using a portable sound recording system consisting of an IC recorder and a piezoelectric microphone. Using this system, the sounds of swallowing from the gular region were recorded from 2 subject and their sleepings. Recording sounds were clear and having little environmental noise The sound of swallowing was detected using an algorithm employing two digital Butterworth band pass filters. As a result, the frequency of swallowing during sleep was obtained. The developed system shows promise in the non-invasive measurement of the frequency of swallowing.",

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AU - Shindo, Keiichiro

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AB - Because a low frequency of swallowing may lead to a worsening of oral aseptic conditions, it is considered necessary to maintain a normal frequency of swallowing to prevent aspiration pneumonia. We have measured the frequency of swallowing during the night using a portable sound recording system consisting of an IC recorder and a piezoelectric microphone. Using this system, the sounds of swallowing from the gular region were recorded from 2 subject and their sleepings. Recording sounds were clear and having little environmental noise The sound of swallowing was detected using an algorithm employing two digital Butterworth band pass filters. As a result, the frequency of swallowing during sleep was obtained. The developed system shows promise in the non-invasive measurement of the frequency of swallowing.

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KW - Frequency of swallowing

KW - Swallowing sound

KW - Time-frequency analysis

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