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Paranasal sinus ventilation by humming
KTH, Skolan för datavetenskap och kommunikation (CSC), Tal, musik och hörsel, TMH, Tal-kommunikation.ORCID-id: 0000-0003-4129-9793
KTH, Skolan för datavetenskap och kommunikation (CSC), Tal, musik och hörsel, TMH.ORCID-id: 0000-0002-7234-7551
2006 (engelsk)Inngår i: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 119, nr 5, s. 2611-2617Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The gas nitric oxide (NO) is generated in the human paranasal sinuses and can be measured in nasally exhaled air. During humming, a marked increase in exhaled NO content has been observed. The acoustic phenomenon responsible for this evacuation of NO gas from the sinuses was analyzed. A tube model was constructed with a syringe containing NO gas attached radially. This tube was excited with an air stream modulated by a sine wave. Increased evacuation was observed whenever the syringe was not located at a pressure node of the exciting sine wave. A computer model of the system showed a good matching of observed pressure versus frequency data in the syringe resonator. The results thus suggest that the alternating pressure in the nasal cavity forces the air plug in the ostium of the paranasal sinus resonators to vibrate, thus expelling from the cavity NO gas, which is transported to free air by the exhalatory air stream.

sted, utgiver, år, opplag, sider
2006. Vol. 119, nr 5, s. 2611-2617
Emneord [en]
nitric-oxide, nasal
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-15665DOI: 10.1121/1.2188887ISI: 000237459500007PubMedID: 16708919Scopus ID: 2-s2.0-33646446036OAI: oai:DiVA.org:kth-15665DiVA, id: diva2:333707
Merknad

QC 20100525 QC 20111004. Conference: BNAM Meeting of the Baltic-Nordic-Acoustical-Societies. Helsinki, FINLAND. JUN, 2004.

Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2022-09-13bibliografisk kontrollert

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