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Nasal patency and the effectiveness of nasal continuous positive air pressure in obstructive sleep apnea
Nasal airway obstruction may exacerbate sleep apnea and is difficult to quantify on clinical examination. In this study, we examined the relationship among nasal patency, the frequency of sleep apnea events, and effective nasal continuous positive air pressures. Acoustic rhinometry was used as an ob...
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Published in: | Otolaryngology-head and neck surgery 1998-05, Vol.118 (5), p.643-647 |
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description | Nasal airway obstruction may exacerbate sleep apnea and is difficult to quantify on clinical examination. In this study, we examined the relationship among nasal patency, the frequency of sleep apnea events, and effective nasal continuous positive air pressures. Acoustic rhinometry was used as an objective measurement of nasal cross-sectional areas in 76 patients without nasal symptoms who underwent study with diagnostic polysomnography because of obstructive sleep apnea. Patients with persistent obstructive sleep apnea were titrated to nasal continuous positive air pressure in a split night study. All subjects had a mean apnea/hypopnea index of 28, and those with obstructive sleep apnea had a mean apnea/hypopnea index of 43. Mean cross-sectional areas 1 to 4 cm into the nose were 1.7, 1.1, 2.1, and 2.8 cm
2, respectively (F = 39,
p < 0.001). However, there was no correlation between the apnea/hypopnea index and the cross-sectional area at the four distances (r = 0.03, 0.06, 0.02, and 0.02, respectively,
p = not significant). Correlations between nasal continuous positive air pressures and cross-sectional areas did not reveal a significant relationship at any of the four sites (r = 0.09, 0.07, –0.03, 0.00, respectively). Findings in patients with apnea were also compared with those in patients without apnea and significant differences were not found (F = 0.019,
p = not significant). Although it would seem intuitive that increased nasal obstruction is associated with the severity of obstructive sleep apnea and difficulty with the use of nasal continuous positive air pressure, this study shows that nasal patency, as measured by acoustic rhinometry, does not correlate with the severity of obstructive sleep apnea, as determined by the apnea/hypopnea index or the effective nasal continuous positive air pressure. (Otolaryngol Head Neck Surg 1998;118:643-7.) |
doi_str_mv | 10.1016/S0194-5998(98)70234-7 |
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2, respectively (F = 39,
p < 0.001). However, there was no correlation between the apnea/hypopnea index and the cross-sectional area at the four distances (r = 0.03, 0.06, 0.02, and 0.02, respectively,
p = not significant). Correlations between nasal continuous positive air pressures and cross-sectional areas did not reveal a significant relationship at any of the four sites (r = 0.09, 0.07, –0.03, 0.00, respectively). Findings in patients with apnea were also compared with those in patients without apnea and significant differences were not found (F = 0.019,
p = not significant). Although it would seem intuitive that increased nasal obstruction is associated with the severity of obstructive sleep apnea and difficulty with the use of nasal continuous positive air pressure, this study shows that nasal patency, as measured by acoustic rhinometry, does not correlate with the severity of obstructive sleep apnea, as determined by the apnea/hypopnea index or the effective nasal continuous positive air pressure. (Otolaryngol Head Neck Surg 1998;118:643-7.)</description><identifier>ISSN: 0194-5998</identifier><identifier>EISSN: 1097-6817</identifier><identifier>DOI: 10.1016/S0194-5998(98)70234-7</identifier><identifier>PMID: 9591863</identifier><language>eng</language><publisher>England: Mosby, Inc</publisher><subject>Adult ; Age Factors ; Anatomy, Cross-Sectional ; Body Mass Index ; Female ; Humans ; Male ; Middle Aged ; Nasal Obstruction - diagnosis ; Nasal Obstruction - pathology ; Nasal Obstruction - physiopathology ; Nasal Obstruction - therapy ; Nose - pathology ; Nose - physiopathology ; Polysomnography ; Positive-Pressure Respiration ; Pulmonary Ventilation - physiology ; Sex Factors ; Sleep Apnea Syndromes - diagnosis ; Sleep Apnea Syndromes - pathology ; Sleep Apnea Syndromes - physiopathology ; Sleep Apnea Syndromes - therapy ; Sound ; Treatment Outcome</subject><ispartof>Otolaryngology-head and neck surgery, 1998-05, Vol.118 (5), p.643-647</ispartof><rights>1998 American Academy of Otolaryngology–Head and Neck Surgery Foundation, Inc</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9591863$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>SCHECHTER, GARY L.</creatorcontrib><creatorcontrib>WARE, J.CATESBY</creatorcontrib><creatorcontrib>PERLSTROM, JAMES</creatorcontrib><creatorcontrib>McBRAYER, REUBEN H.</creatorcontrib><title>Nasal patency and the effectiveness of nasal continuous positive air pressure in obstructive sleep apnea</title><title>Otolaryngology-head and neck surgery</title><addtitle>Otolaryngol Head Neck Surg</addtitle><description>Nasal airway obstruction may exacerbate sleep apnea and is difficult to quantify on clinical examination. In this study, we examined the relationship among nasal patency, the frequency of sleep apnea events, and effective nasal continuous positive air pressures. Acoustic rhinometry was used as an objective measurement of nasal cross-sectional areas in 76 patients without nasal symptoms who underwent study with diagnostic polysomnography because of obstructive sleep apnea. Patients with persistent obstructive sleep apnea were titrated to nasal continuous positive air pressure in a split night study. All subjects had a mean apnea/hypopnea index of 28, and those with obstructive sleep apnea had a mean apnea/hypopnea index of 43. Mean cross-sectional areas 1 to 4 cm into the nose were 1.7, 1.1, 2.1, and 2.8 cm
2, respectively (F = 39,
p < 0.001). However, there was no correlation between the apnea/hypopnea index and the cross-sectional area at the four distances (r = 0.03, 0.06, 0.02, and 0.02, respectively,
p = not significant). Correlations between nasal continuous positive air pressures and cross-sectional areas did not reveal a significant relationship at any of the four sites (r = 0.09, 0.07, –0.03, 0.00, respectively). Findings in patients with apnea were also compared with those in patients without apnea and significant differences were not found (F = 0.019,
p = not significant). Although it would seem intuitive that increased nasal obstruction is associated with the severity of obstructive sleep apnea and difficulty with the use of nasal continuous positive air pressure, this study shows that nasal patency, as measured by acoustic rhinometry, does not correlate with the severity of obstructive sleep apnea, as determined by the apnea/hypopnea index or the effective nasal continuous positive air pressure. (Otolaryngol Head Neck Surg 1998;118:643-7.)</description><subject>Adult</subject><subject>Age Factors</subject><subject>Anatomy, Cross-Sectional</subject><subject>Body Mass Index</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Nasal Obstruction - diagnosis</subject><subject>Nasal Obstruction - pathology</subject><subject>Nasal Obstruction - physiopathology</subject><subject>Nasal Obstruction - therapy</subject><subject>Nose - pathology</subject><subject>Nose - physiopathology</subject><subject>Polysomnography</subject><subject>Positive-Pressure Respiration</subject><subject>Pulmonary Ventilation - physiology</subject><subject>Sex Factors</subject><subject>Sleep Apnea Syndromes - diagnosis</subject><subject>Sleep Apnea Syndromes - pathology</subject><subject>Sleep Apnea Syndromes - physiopathology</subject><subject>Sleep Apnea Syndromes - therapy</subject><subject>Sound</subject><subject>Treatment Outcome</subject><issn>0194-5998</issn><issn>1097-6817</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNqFkMlKBDEQhoMoOo4-gpCT6KE16SXLSWRwg0EP6jmkkwpGetJt0i349mYWvAoFOdT3V1U-hM4ouaKEsutXQmVdNFKKCykuOSmruuB7aEaJ5AUTlO-j2R9yhI5T-iSEMMb5ITqUjaSCVTP08ayT7vCgRwjmB-tg8fgBGJwDM_pvCJAS7h0OG8z0YfRh6qeEhz75NYC1j3iIGZsiYB9w36YxTpswTh3AgPUQQJ-gA6e7BKe7d47e7-_eFo_F8uXhaXG7LExFxFhUhttGCOcsb2oiGZCaa6BStow0UBqnXdlaUbsKpLTUsNZKYQUpLZW8graao_Pt3CH2XxOkUa18MtB1OkC-W3EpOBGszGCzBU3sU4rg1BD9SscfRYlaG1Ybw2qtT-XaGFY85852C6Z2BfYvtVOa-zfbPuRffnuIKhmf5YL1MTtVtvf_bPgFrrqNuQ</recordid><startdate>19980501</startdate><enddate>19980501</enddate><creator>SCHECHTER, GARY L.</creator><creator>WARE, J.CATESBY</creator><creator>PERLSTROM, JAMES</creator><creator>McBRAYER, REUBEN H.</creator><general>Mosby, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>8BM</scope></search><sort><creationdate>19980501</creationdate><title>Nasal patency and the effectiveness of nasal continuous positive air pressure in obstructive sleep apnea</title><author>SCHECHTER, GARY L. ; WARE, J.CATESBY ; PERLSTROM, JAMES ; McBRAYER, REUBEN H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c308t-3c7d588ffd754096e047ae199b605e2cfaf2bd84f3e99d1c6bd98d802d1973eb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Adult</topic><topic>Age Factors</topic><topic>Anatomy, Cross-Sectional</topic><topic>Body Mass Index</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Nasal Obstruction - diagnosis</topic><topic>Nasal Obstruction - pathology</topic><topic>Nasal Obstruction - physiopathology</topic><topic>Nasal Obstruction - therapy</topic><topic>Nose - pathology</topic><topic>Nose - physiopathology</topic><topic>Polysomnography</topic><topic>Positive-Pressure Respiration</topic><topic>Pulmonary Ventilation - physiology</topic><topic>Sex Factors</topic><topic>Sleep Apnea Syndromes - diagnosis</topic><topic>Sleep Apnea Syndromes - pathology</topic><topic>Sleep Apnea Syndromes - physiopathology</topic><topic>Sleep Apnea Syndromes - therapy</topic><topic>Sound</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SCHECHTER, GARY L.</creatorcontrib><creatorcontrib>WARE, J.CATESBY</creatorcontrib><creatorcontrib>PERLSTROM, JAMES</creatorcontrib><creatorcontrib>McBRAYER, REUBEN H.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>ComDisDome</collection><jtitle>Otolaryngology-head and neck surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SCHECHTER, GARY L.</au><au>WARE, J.CATESBY</au><au>PERLSTROM, JAMES</au><au>McBRAYER, REUBEN H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nasal patency and the effectiveness of nasal continuous positive air pressure in obstructive sleep apnea</atitle><jtitle>Otolaryngology-head and neck surgery</jtitle><addtitle>Otolaryngol Head Neck Surg</addtitle><date>1998-05-01</date><risdate>1998</risdate><volume>118</volume><issue>5</issue><spage>643</spage><epage>647</epage><pages>643-647</pages><issn>0194-5998</issn><eissn>1097-6817</eissn><abstract>Nasal airway obstruction may exacerbate sleep apnea and is difficult to quantify on clinical examination. In this study, we examined the relationship among nasal patency, the frequency of sleep apnea events, and effective nasal continuous positive air pressures. Acoustic rhinometry was used as an objective measurement of nasal cross-sectional areas in 76 patients without nasal symptoms who underwent study with diagnostic polysomnography because of obstructive sleep apnea. Patients with persistent obstructive sleep apnea were titrated to nasal continuous positive air pressure in a split night study. All subjects had a mean apnea/hypopnea index of 28, and those with obstructive sleep apnea had a mean apnea/hypopnea index of 43. Mean cross-sectional areas 1 to 4 cm into the nose were 1.7, 1.1, 2.1, and 2.8 cm
2, respectively (F = 39,
p < 0.001). However, there was no correlation between the apnea/hypopnea index and the cross-sectional area at the four distances (r = 0.03, 0.06, 0.02, and 0.02, respectively,
p = not significant). Correlations between nasal continuous positive air pressures and cross-sectional areas did not reveal a significant relationship at any of the four sites (r = 0.09, 0.07, –0.03, 0.00, respectively). Findings in patients with apnea were also compared with those in patients without apnea and significant differences were not found (F = 0.019,
p = not significant). Although it would seem intuitive that increased nasal obstruction is associated with the severity of obstructive sleep apnea and difficulty with the use of nasal continuous positive air pressure, this study shows that nasal patency, as measured by acoustic rhinometry, does not correlate with the severity of obstructive sleep apnea, as determined by the apnea/hypopnea index or the effective nasal continuous positive air pressure. (Otolaryngol Head Neck Surg 1998;118:643-7.)</abstract><cop>England</cop><pub>Mosby, Inc</pub><pmid>9591863</pmid><doi>10.1016/S0194-5998(98)70234-7</doi><tpages>5</tpages></addata></record> |
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subjects | Adult Age Factors Anatomy, Cross-Sectional Body Mass Index Female Humans Male Middle Aged Nasal Obstruction - diagnosis Nasal Obstruction - pathology Nasal Obstruction - physiopathology Nasal Obstruction - therapy Nose - pathology Nose - physiopathology Polysomnography Positive-Pressure Respiration Pulmonary Ventilation - physiology Sex Factors Sleep Apnea Syndromes - diagnosis Sleep Apnea Syndromes - pathology Sleep Apnea Syndromes - physiopathology Sleep Apnea Syndromes - therapy Sound Treatment Outcome |
title | Nasal patency and the effectiveness of nasal continuous positive air pressure in obstructive sleep apnea |
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