Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea

Zahra Moussavi; A. Elwali; R. Soltanzadeh; Cameron A. MacGregor; B. Lithgow

doi:10.1109/EMBC.2015.7319748

Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea

Zahra Moussavi, A. Elwali, R. Soltanzadeh, Cameron A. MacGregor, B. Lithgow

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

6 Citations (Scopus)

Abstract

This paper reports on a pilot study of acoustic properties of respiratory sounds in relation to obstructive sleep apnea (OSA). Data were breathing sounds of 60 individuals in three groups of non-, Moderate and Severe OSA using the apnea/hypopnea index (AHI) (20 in each group). The sounds power spectral energy and phase responses were calculated for each respiratory phase, and investigated among the groups. The results of power spectral analysis, congruent with imaging studies' findings, suggest a regional narrowing in upper airway that shows its effect in low and high frequencies as an opposite pattern between the OSA and non-OSA groups. The results of phase analysis also support an increased nonlinearity in high frequencies that is speculated to be related to the regional narrowing and thus regional elasticity of the airway during wakefulness.

Original language	English
Title of host publication	2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2015)
Editors	Jim Patton
Place of Publication	Piscataway NJ USA
Publisher	IEEE, Institute of Electrical and Electronics Engineers
Pages	5956-5959
Number of pages	4
ISBN (Electronic)	9781424492718
ISBN (Print)	9781424492695
DOIs	https://doi.org/10.1109/EMBC.2015.7319748
Publication status	Published - 4 Nov 2015
Externally published	Yes
Event	International Conference of the IEEE Engineering in Medicine and Biology Society 2015 - Milan, Italy Duration: 25 Aug 2015 → 29 Aug 2015 Conference number: 37th https://embc.embs.org/2015/ https://ieeexplore.ieee.org/xpl/conhome/7302811/proceeding (Proceedings)

Conference

Conference	International Conference of the IEEE Engineering in Medicine and Biology Society 2015
Abbreviated title	EMBC 2015
Country/Territory	Italy
City	Milan
Period	25/08/15 → 29/08/15
Other	37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS). Our Annual Conference (known as EMBC) is a premier international conference in biomedical engineering, and has been strategically held in different locations around the world, including Chicago, Osaka, San Diego, Boston, Buenos Aires, Minneapolis, Vancouver, Lyon, New York, and Shanghai over the last 10 years.
Internet address	https://embc.embs.org/2015/ https://ieeexplore.ieee.org/xpl/conhome/7302811/proceeding (Proceedings)

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10.1109/EMBC.2015.7319748

Cite this

Moussavi, Z., Elwali, A., Soltanzadeh, R., MacGregor, C. A., & Lithgow, B. (2015). Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea. In J. Patton (Ed.), 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2015) (pp. 5956-5959). [7319748] IEEE, Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/EMBC.2015.7319748

Moussavi, Zahra ; Elwali, A. ; Soltanzadeh, R. ; MacGregor, Cameron A. ; Lithgow, B. / Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea. 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2015). editor / Jim Patton. Piscataway NJ USA : IEEE, Institute of Electrical and Electronics Engineers, 2015. pp. 5956-5959

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title = "Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea",

abstract = "This paper reports on a pilot study of acoustic properties of respiratory sounds in relation to obstructive sleep apnea (OSA). Data were breathing sounds of 60 individuals in three groups of non-, Moderate and Severe OSA using the apnea/hypopnea index (AHI) (20 in each group). The sounds power spectral energy and phase responses were calculated for each respiratory phase, and investigated among the groups. The results of power spectral analysis, congruent with imaging studies' findings, suggest a regional narrowing in upper airway that shows its effect in low and high frequencies as an opposite pattern between the OSA and non-OSA groups. The results of phase analysis also support an increased nonlinearity in high frequencies that is speculated to be related to the regional narrowing and thus regional elasticity of the airway during wakefulness.",

author = "Zahra Moussavi and A. Elwali and R. Soltanzadeh and MacGregor, {Cameron A.} and B. Lithgow",

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note = "International Conference of the IEEE Engineering in Medicine and Biology Society 2015, EMBC 2015 ; Conference date: 25-08-2015 Through 29-08-2015",

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Moussavi, Z, Elwali, A, Soltanzadeh, R, MacGregor, CA & Lithgow, B 2015, Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea. in J Patton (ed.), 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2015)., 7319748, IEEE, Institute of Electrical and Electronics Engineers, Piscataway NJ USA, pp. 5956-5959, International Conference of the IEEE Engineering in Medicine and Biology Society 2015, Milan, Italy, 25/08/15. https://doi.org/10.1109/EMBC.2015.7319748

Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea. / Moussavi, Zahra; Elwali, A.; Soltanzadeh, R.; MacGregor, Cameron A.; Lithgow, B.

2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2015). ed. / Jim Patton. Piscataway NJ USA : IEEE, Institute of Electrical and Electronics Engineers, 2015. p. 5956-5959 7319748.

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

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AU - Elwali, A.

AU - Soltanzadeh, R.

AU - MacGregor, Cameron A.

AU - Lithgow, B.

N1 - Conference code: 37th

PY - 2015/11/4

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N2 - This paper reports on a pilot study of acoustic properties of respiratory sounds in relation to obstructive sleep apnea (OSA). Data were breathing sounds of 60 individuals in three groups of non-, Moderate and Severe OSA using the apnea/hypopnea index (AHI) (20 in each group). The sounds power spectral energy and phase responses were calculated for each respiratory phase, and investigated among the groups. The results of power spectral analysis, congruent with imaging studies' findings, suggest a regional narrowing in upper airway that shows its effect in low and high frequencies as an opposite pattern between the OSA and non-OSA groups. The results of phase analysis also support an increased nonlinearity in high frequencies that is speculated to be related to the regional narrowing and thus regional elasticity of the airway during wakefulness.

AB - This paper reports on a pilot study of acoustic properties of respiratory sounds in relation to obstructive sleep apnea (OSA). Data were breathing sounds of 60 individuals in three groups of non-, Moderate and Severe OSA using the apnea/hypopnea index (AHI) (20 in each group). The sounds power spectral energy and phase responses were calculated for each respiratory phase, and investigated among the groups. The results of power spectral analysis, congruent with imaging studies' findings, suggest a regional narrowing in upper airway that shows its effect in low and high frequencies as an opposite pattern between the OSA and non-OSA groups. The results of phase analysis also support an increased nonlinearity in high frequencies that is speculated to be related to the regional narrowing and thus regional elasticity of the airway during wakefulness.

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Moussavi Z, Elwali A, Soltanzadeh R, MacGregor CA, Lithgow B. Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea. In Patton J, editor, 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2015). Piscataway NJ USA: IEEE, Institute of Electrical and Electronics Engineers. 2015. p. 5956-5959. 7319748 https://doi.org/10.1109/EMBC.2015.7319748

Breathing sounds characteristics correlate with structural changes of upper airway due to obstructive sleep apnea

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