Different therapeutic mechanisms of rigid and semi-rigid mandibular repositioning devices in obstructive sleep apnea syndrome
Abstract To clarify the mechanisms of rigid and semi-rigid mandibular repositioning devices (MRDs) in obstructive sleep apnea syndrome (OSAS), seven and 13 patients received rigid and semi-rigid MRDs, respectively. Each patient underwent polysomnographic and computed tomographic examinations at the...
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| Veröffentlicht in: | Journal of cranio-maxillo-facial surgery 2014-12, Vol.42 (8), p.1650-1654 |
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| container_title | Journal of cranio-maxillo-facial surgery |
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| creator | Suga, Hokuto Mishima, Katsuaki Nakano, Hiroyuki Nakano, Asuka Matsumura, Mayumi Mano, Takamitsu Yamasaki, Youichi Ueyama, Yoshiya |
| description | Abstract To clarify the mechanisms of rigid and semi-rigid mandibular repositioning devices (MRDs) in obstructive sleep apnea syndrome (OSAS), seven and 13 patients received rigid and semi-rigid MRDs, respectively. Each patient underwent polysomnographic and computed tomographic examinations at the initial consultation and after symptom improvement. Three-dimensional models of the upper airway (hard palate level to epiglottic base) were reconstructed by image processing software (Mimics version 14.2) to measure airway morphology. The mean age and body mass index were 58.1 years and 24.8 kg/m2 , respectively, in the rigid MRD group and 57.9 years and 23.2 kg/m2 , respectively, in the semi-rigid MRD group. The apnea-hypopnea index significantly improved ( P |
| doi_str_mv | 10.1016/j.jcms.2014.05.007 |
| format | Article |
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Each patient underwent polysomnographic and computed tomographic examinations at the initial consultation and after symptom improvement. Three-dimensional models of the upper airway (hard palate level to epiglottic base) were reconstructed by image processing software (Mimics version 14.2) to measure airway morphology. The mean age and body mass index were 58.1 years and 24.8 kg/m2 , respectively, in the rigid MRD group and 57.9 years and 23.2 kg/m2 , respectively, in the semi-rigid MRD group. The apnea-hypopnea index significantly improved ( P < 0.05, Wilcoxon signed-rank test) from 22.0 to 8.9 and 20.5 to 11.5 events per hour of sleep in the respective groups. The cross-sectional areas measured at the epiglottic tip (from 2.0 to 2.6 cm2 ) and hard palate (from 2.6 to 3.3 cm2 ) levels also increased in the respective groups ( P < 0.05). However, airway volume, cross-sectional area measured at the uvular tip level, and anteroposterior and transverse diameters of the airway were not significantly different. In conclusion, both types of MRDs improve respiratory status, but they affect different parts of the airway.</description><identifier>ISSN: 1010-5182</identifier><identifier>EISSN: 1878-4119</identifier><identifier>DOI: 10.1016/j.jcms.2014.05.007</identifier><identifier>PMID: 24969766</identifier><language>eng</language><publisher>Scotland: Elsevier Ltd</publisher><subject>Adult ; Aged ; Anatomy, Cross-Sectional ; Body Mass Index ; Cephalometry - methods ; Computed tomography ; Computer-assisted image processing ; Dentistry ; Epiglottis - pathology ; Female ; Humans ; Image Processing, Computer-Assisted - methods ; Imaging, Three-Dimensional - methods ; Male ; Mandibular Advancement - instrumentation ; Mandibular repositioning device ; Middle Aged ; Models, Anatomic ; Multidetector Computed Tomography - methods ; Non-Randomized Controlled Trials as Topic ; Orthodontic Appliance Design ; Palate, Hard - pathology ; Palate, Soft - pathology ; Pharynx - pathology ; Polysomnography ; Polysomnography - methods ; Prospective Studies ; Sleep apnea syndromes ; Sleep Apnea, Obstructive - therapy ; Surgery ; Temporomandibular joint disorders ; Tongue - pathology ; Uvula - pathology</subject><ispartof>Journal of cranio-maxillo-facial surgery, 2014-12, Vol.42 (8), p.1650-1654</ispartof><rights>European Association for Cranio-Maxillo-Facial Surgery</rights><rights>2014 European Association for Cranio-Maxillo-Facial Surgery</rights><rights>Copyright © 2014 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c547t-f9e6e7addfb48e9fbdb8fc619cddc276b25764a2509bdc044fed1f55cf31dd4a3</citedby><cites>FETCH-LOGICAL-c547t-f9e6e7addfb48e9fbdb8fc619cddc276b25764a2509bdc044fed1f55cf31dd4a3</cites><orcidid>0000-0001-9407-8244</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jcms.2014.05.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24969766$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Suga, Hokuto</creatorcontrib><creatorcontrib>Mishima, Katsuaki</creatorcontrib><creatorcontrib>Nakano, Hiroyuki</creatorcontrib><creatorcontrib>Nakano, Asuka</creatorcontrib><creatorcontrib>Matsumura, Mayumi</creatorcontrib><creatorcontrib>Mano, Takamitsu</creatorcontrib><creatorcontrib>Yamasaki, Youichi</creatorcontrib><creatorcontrib>Ueyama, Yoshiya</creatorcontrib><title>Different therapeutic mechanisms of rigid and semi-rigid mandibular repositioning devices in obstructive sleep apnea syndrome</title><title>Journal of cranio-maxillo-facial surgery</title><addtitle>J Craniomaxillofac Surg</addtitle><description>Abstract To clarify the mechanisms of rigid and semi-rigid mandibular repositioning devices (MRDs) in obstructive sleep apnea syndrome (OSAS), seven and 13 patients received rigid and semi-rigid MRDs, respectively. Each patient underwent polysomnographic and computed tomographic examinations at the initial consultation and after symptom improvement. Three-dimensional models of the upper airway (hard palate level to epiglottic base) were reconstructed by image processing software (Mimics version 14.2) to measure airway morphology. The mean age and body mass index were 58.1 years and 24.8 kg/m2 , respectively, in the rigid MRD group and 57.9 years and 23.2 kg/m2 , respectively, in the semi-rigid MRD group. The apnea-hypopnea index significantly improved ( P < 0.05, Wilcoxon signed-rank test) from 22.0 to 8.9 and 20.5 to 11.5 events per hour of sleep in the respective groups. The cross-sectional areas measured at the epiglottic tip (from 2.0 to 2.6 cm2 ) and hard palate (from 2.6 to 3.3 cm2 ) levels also increased in the respective groups ( P < 0.05). However, airway volume, cross-sectional area measured at the uvular tip level, and anteroposterior and transverse diameters of the airway were not significantly different. In conclusion, both types of MRDs improve respiratory status, but they affect different parts of the airway.</description><subject>Adult</subject><subject>Aged</subject><subject>Anatomy, Cross-Sectional</subject><subject>Body Mass Index</subject><subject>Cephalometry - methods</subject><subject>Computed tomography</subject><subject>Computer-assisted image processing</subject><subject>Dentistry</subject><subject>Epiglottis - pathology</subject><subject>Female</subject><subject>Humans</subject><subject>Image Processing, Computer-Assisted - methods</subject><subject>Imaging, Three-Dimensional - methods</subject><subject>Male</subject><subject>Mandibular Advancement - instrumentation</subject><subject>Mandibular repositioning device</subject><subject>Middle Aged</subject><subject>Models, Anatomic</subject><subject>Multidetector Computed Tomography - methods</subject><subject>Non-Randomized Controlled Trials as Topic</subject><subject>Orthodontic Appliance Design</subject><subject>Palate, Hard - pathology</subject><subject>Palate, Soft - pathology</subject><subject>Pharynx - pathology</subject><subject>Polysomnography</subject><subject>Polysomnography - methods</subject><subject>Prospective Studies</subject><subject>Sleep apnea syndromes</subject><subject>Sleep Apnea, Obstructive - therapy</subject><subject>Surgery</subject><subject>Temporomandibular joint disorders</subject><subject>Tongue - pathology</subject><subject>Uvula - pathology</subject><issn>1010-5182</issn><issn>1878-4119</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kU-L1TAUxYsozjj6BVxIlm5ab_rStAURZPwLAy7UdUiTm5lb26Qm7YO38Lub8kYXLlzde-GcA_d3iuI5h4oDl6_GajRzqmrgooKmAmgfFJe8a7tScN4_zDtwKBve1RfFk5RGAJDQ9Y-Li1r0sm-lvCx-vSPnMKJf2XqHUS-4rWTYjOZOe0pzYsGxSLdkmfaWJZypPJ9zvmnYJh1ZxCUkWil48rfM4pEMJkaehSGtcTMrHZGlCXFhevGoWTp5G8OMT4tHTk8Jn93Pq-L7h_ffrj-VN18-fr5-e1OaRrRr6XqU2Gpr3SA67N1gh84ZyXtjralbOdRNK4WuG-gHa0AIh5a7pjHuwK0V-nBVvDznLjH83DCtaqZkcJq0x7AlxeWhAchQuiytz1ITQ0oRnVoizTqeFAe1Y1ej2rGrHbuCRmXs2fTiPn8bZrR_LX84Z8HrswDzl0fCqJIh9AYtRTSrsoH-n__mH7uZyJPR0w88YRrDFn3mp7hKtQL1dS9-750LyImH-vAbRzGtJw</recordid><startdate>20141201</startdate><enddate>20141201</enddate><creator>Suga, Hokuto</creator><creator>Mishima, Katsuaki</creator><creator>Nakano, Hiroyuki</creator><creator>Nakano, Asuka</creator><creator>Matsumura, Mayumi</creator><creator>Mano, Takamitsu</creator><creator>Yamasaki, Youichi</creator><creator>Ueyama, Yoshiya</creator><general>Elsevier Ltd</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><orcidid>https://orcid.org/0000-0001-9407-8244</orcidid></search><sort><creationdate>20141201</creationdate><title>Different therapeutic mechanisms of rigid and semi-rigid mandibular repositioning devices in obstructive sleep apnea syndrome</title><author>Suga, Hokuto ; Mishima, Katsuaki ; Nakano, Hiroyuki ; Nakano, Asuka ; Matsumura, Mayumi ; Mano, Takamitsu ; Yamasaki, Youichi ; Ueyama, Yoshiya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c547t-f9e6e7addfb48e9fbdb8fc619cddc276b25764a2509bdc044fed1f55cf31dd4a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Anatomy, Cross-Sectional</topic><topic>Body Mass Index</topic><topic>Cephalometry - methods</topic><topic>Computed tomography</topic><topic>Computer-assisted image processing</topic><topic>Dentistry</topic><topic>Epiglottis - pathology</topic><topic>Female</topic><topic>Humans</topic><topic>Image Processing, Computer-Assisted - methods</topic><topic>Imaging, Three-Dimensional - methods</topic><topic>Male</topic><topic>Mandibular Advancement - instrumentation</topic><topic>Mandibular repositioning device</topic><topic>Middle Aged</topic><topic>Models, Anatomic</topic><topic>Multidetector Computed Tomography - methods</topic><topic>Non-Randomized Controlled Trials as Topic</topic><topic>Orthodontic Appliance Design</topic><topic>Palate, Hard - pathology</topic><topic>Palate, Soft - pathology</topic><topic>Pharynx - pathology</topic><topic>Polysomnography</topic><topic>Polysomnography - methods</topic><topic>Prospective Studies</topic><topic>Sleep apnea syndromes</topic><topic>Sleep Apnea, Obstructive - therapy</topic><topic>Surgery</topic><topic>Temporomandibular joint disorders</topic><topic>Tongue - pathology</topic><topic>Uvula - pathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Suga, Hokuto</creatorcontrib><creatorcontrib>Mishima, Katsuaki</creatorcontrib><creatorcontrib>Nakano, Hiroyuki</creatorcontrib><creatorcontrib>Nakano, Asuka</creatorcontrib><creatorcontrib>Matsumura, Mayumi</creatorcontrib><creatorcontrib>Mano, Takamitsu</creatorcontrib><creatorcontrib>Yamasaki, Youichi</creatorcontrib><creatorcontrib>Ueyama, Yoshiya</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><jtitle>Journal of cranio-maxillo-facial surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Suga, Hokuto</au><au>Mishima, Katsuaki</au><au>Nakano, Hiroyuki</au><au>Nakano, Asuka</au><au>Matsumura, Mayumi</au><au>Mano, Takamitsu</au><au>Yamasaki, Youichi</au><au>Ueyama, Yoshiya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Different therapeutic mechanisms of rigid and semi-rigid mandibular repositioning devices in obstructive sleep apnea syndrome</atitle><jtitle>Journal of cranio-maxillo-facial surgery</jtitle><addtitle>J Craniomaxillofac Surg</addtitle><date>2014-12-01</date><risdate>2014</risdate><volume>42</volume><issue>8</issue><spage>1650</spage><epage>1654</epage><pages>1650-1654</pages><issn>1010-5182</issn><eissn>1878-4119</eissn><abstract>Abstract To clarify the mechanisms of rigid and semi-rigid mandibular repositioning devices (MRDs) in obstructive sleep apnea syndrome (OSAS), seven and 13 patients received rigid and semi-rigid MRDs, respectively. Each patient underwent polysomnographic and computed tomographic examinations at the initial consultation and after symptom improvement. Three-dimensional models of the upper airway (hard palate level to epiglottic base) were reconstructed by image processing software (Mimics version 14.2) to measure airway morphology. The mean age and body mass index were 58.1 years and 24.8 kg/m2 , respectively, in the rigid MRD group and 57.9 years and 23.2 kg/m2 , respectively, in the semi-rigid MRD group. The apnea-hypopnea index significantly improved ( P < 0.05, Wilcoxon signed-rank test) from 22.0 to 8.9 and 20.5 to 11.5 events per hour of sleep in the respective groups. The cross-sectional areas measured at the epiglottic tip (from 2.0 to 2.6 cm2 ) and hard palate (from 2.6 to 3.3 cm2 ) levels also increased in the respective groups ( P < 0.05). However, airway volume, cross-sectional area measured at the uvular tip level, and anteroposterior and transverse diameters of the airway were not significantly different. In conclusion, both types of MRDs improve respiratory status, but they affect different parts of the airway.</abstract><cop>Scotland</cop><pub>Elsevier Ltd</pub><pmid>24969766</pmid><doi>10.1016/j.jcms.2014.05.007</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0001-9407-8244</orcidid></addata></record> |
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| subjects | Adult Aged Anatomy, Cross-Sectional Body Mass Index Cephalometry - methods Computed tomography Computer-assisted image processing Dentistry Epiglottis - pathology Female Humans Image Processing, Computer-Assisted - methods Imaging, Three-Dimensional - methods Male Mandibular Advancement - instrumentation Mandibular repositioning device Middle Aged Models, Anatomic Multidetector Computed Tomography - methods Non-Randomized Controlled Trials as Topic Orthodontic Appliance Design Palate, Hard - pathology Palate, Soft - pathology Pharynx - pathology Polysomnography Polysomnography - methods Prospective Studies Sleep apnea syndromes Sleep Apnea, Obstructive - therapy Surgery Temporomandibular joint disorders Tongue - pathology Uvula - pathology |
| title | Different therapeutic mechanisms of rigid and semi-rigid mandibular repositioning devices in obstructive sleep apnea syndrome |
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