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Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome

OBJECTIVES: The purpose of this study is to find out associations between positional dependency and obstructive levels based on sleep videofluoroscopy (SVF) in patients with obstructive sleep apnea syndrome (OSAS). METHODS: Retrospective review was made of 91 OSAS patients who underwent polysomnogra...

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Autores principales: Sunwoo, Woong Sang, Hong, Sung-Lyong, Kim, Sang-Wook, Park, Sung Joon, Han, Doo Hee, Kim, Jeong-Whun, Lee, Chul Hee, Rhee, Chae-Seo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Korean Society of Otorhinolaryngology-Head and Neck Surgery 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3506773/
https://www.ncbi.nlm.nih.gov/pubmed/23205227
http://dx.doi.org/10.3342/ceo.2012.5.4.218
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author Sunwoo, Woong Sang
Hong, Sung-Lyong
Kim, Sang-Wook
Park, Sung Joon
Han, Doo Hee
Kim, Jeong-Whun
Lee, Chul Hee
Rhee, Chae-Seo
author_facet Sunwoo, Woong Sang
Hong, Sung-Lyong
Kim, Sang-Wook
Park, Sung Joon
Han, Doo Hee
Kim, Jeong-Whun
Lee, Chul Hee
Rhee, Chae-Seo
author_sort Sunwoo, Woong Sang
collection PubMed
description OBJECTIVES: The purpose of this study is to find out associations between positional dependency and obstructive levels based on sleep videofluoroscopy (SVF) in patients with obstructive sleep apnea syndrome (OSAS). METHODS: Retrospective review was made of 91 OSAS patients who underwent polysomnography and SVF from August 2009 through June 2010. Polysomnography variables including apnea-hypopnea index (AHI), supine AHI, non-supine AHI, time spent in supine sleep position of the total sleep time and positional dependency (PD) were analyzed. Obstruction sites were evaluated as SVF variables. RESULTS: Of 91 patients, 65 (71.4%) were positional patients (PP) and 26 (28.6%) were non-positional patients (NPP). An analysis of polysomnography variables according to PD revealed that overall AHI, non-supine AHI and supine AHI in PP was significantly lower than that in NPP. The patients with soft palate obstruction (SP type) were more likely to have PD than the patients with tongue base obstruction (TB type; P=0.046). PD was inversely related to OSAS severity significantly (P=0.001). CONCLUSION: These results provide evidence that positional dependent patients may have higher success rate of soft palate OSA surgery alone than non-positional dependent patients. Although PD may be associated with obstruction site, PD only itself may not be useful in planning surgical treatment for OSAS.
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spelling pubmed-35067732012-12-01 Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome Sunwoo, Woong Sang Hong, Sung-Lyong Kim, Sang-Wook Park, Sung Joon Han, Doo Hee Kim, Jeong-Whun Lee, Chul Hee Rhee, Chae-Seo Clin Exp Otorhinolaryngol Original Article OBJECTIVES: The purpose of this study is to find out associations between positional dependency and obstructive levels based on sleep videofluoroscopy (SVF) in patients with obstructive sleep apnea syndrome (OSAS). METHODS: Retrospective review was made of 91 OSAS patients who underwent polysomnography and SVF from August 2009 through June 2010. Polysomnography variables including apnea-hypopnea index (AHI), supine AHI, non-supine AHI, time spent in supine sleep position of the total sleep time and positional dependency (PD) were analyzed. Obstruction sites were evaluated as SVF variables. RESULTS: Of 91 patients, 65 (71.4%) were positional patients (PP) and 26 (28.6%) were non-positional patients (NPP). An analysis of polysomnography variables according to PD revealed that overall AHI, non-supine AHI and supine AHI in PP was significantly lower than that in NPP. The patients with soft palate obstruction (SP type) were more likely to have PD than the patients with tongue base obstruction (TB type; P=0.046). PD was inversely related to OSAS severity significantly (P=0.001). CONCLUSION: These results provide evidence that positional dependent patients may have higher success rate of soft palate OSA surgery alone than non-positional dependent patients. Although PD may be associated with obstruction site, PD only itself may not be useful in planning surgical treatment for OSAS. Korean Society of Otorhinolaryngology-Head and Neck Surgery 2012-12 2012-11-13 /pmc/articles/PMC3506773/ /pubmed/23205227 http://dx.doi.org/10.3342/ceo.2012.5.4.218 Text en Copyright © 2012 by Korean Society of Otorhinolaryngology-Head and Neck Surgery. http://creativecommons.org/licenses/by-nc/3.0 This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Sunwoo, Woong Sang
Hong, Sung-Lyong
Kim, Sang-Wook
Park, Sung Joon
Han, Doo Hee
Kim, Jeong-Whun
Lee, Chul Hee
Rhee, Chae-Seo
Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome
title Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome
title_full Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome
title_fullStr Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome
title_full_unstemmed Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome
title_short Association between Positional Dependency and Obstruction Site in Obstructive Sleep Apnea Syndrome
title_sort association between positional dependency and obstruction site in obstructive sleep apnea syndrome
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3506773/
https://www.ncbi.nlm.nih.gov/pubmed/23205227
http://dx.doi.org/10.3342/ceo.2012.5.4.218
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