Change in the Upper Airway of Patients With Obstructive Sleep Apnea Syndrome Using Computational Fluid Dynamics Analysis: Conventional Maxillomandibular Advancement Versus Modified Maxillomandibular Advancement With Anterior Segmental Setback Osteotomy
DC Field | Value | Language |
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dc.contributor.author | Kim, Taeyun | - |
dc.contributor.author | Kim, Hyoung-Ho | - |
dc.contributor.author | Hong, Sung Ok | - |
dc.contributor.author | Baek, Seung-Hak | - |
dc.contributor.author | Kim, Kyung-Wuk | - |
dc.contributor.author | Suh, Sang-Ho | - |
dc.contributor.author | Choi, Jin-Young | - |
dc.date.available | 2018-05-09T07:20:14Z | - |
dc.date.created | 2018-04-17 | - |
dc.date.issued | 2015-11 | - |
dc.identifier.issn | 1049-2275 | - |
dc.identifier.uri | http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/8605 | - |
dc.description.abstract | Objective: The aim of the study was to compare the effect of conventional maxillomandibular advancement (MMA) and modified MMA with anterior segmental setback osteotomy (MMA-ASSO) on the airway changes in patients with obstructive sleep apnea syndrome (OSAS) using three-dimensional computational fluid dynamics (3D-CFD) analysis. Methods: Two adult male patients with Class I malocclusion, lip protrusion, acute nasolabial angle, and OSAS were treated with conventional MMA (Case 1) and modified MMA-ASSO (Case 2). Individualized 3D airway models were fabricated using computed tomography data obtained 1 month before (T0) and at least 6 months after surgery (T1). A total of 7 cross-sectional areas of the airway were established, starting just above the hard palate (plane 1) with interval of 1 mm caudally. Airflow velocity and negative pressure were investi-gated using CFD analysis, and polysomnography studies were performed at T0 and T1. Results: There were improvement of apnea-hypoapnea index and the lowest O-2 level (T0 versus T1; 43.2 versus 15.2, 79% versus 90% in Case 1; 61.0 versus 6, 89% versus 92% in Case 2). At plane 2 (retropalatal area) in Cases 1 and 2, there were increase in the smallest cross-sectional areas (57.9% versus 28.4%), decrease in the airflow velocity and increase in the negative pressure at the peak of expiration (49.5% versus 31.7%; 88.4% versus 54.3%), end after expiration (53.2% versus 32.2%; 83.2% versus 47.9%), and peak of inspiration (53.1% versus 29.2%; 75.3% versus 48.2%). Conclusion: Modified MMA-ASSO method might be an effective treatment option for OSAS patients with improvement of airway problems and esthetic facial profile. | - |
dc.publisher | LIPPINCOTT WILLIAMS & WILKINS | - |
dc.relation.isPartOf | JOURNAL OF CRANIOFACIAL SURGERY | - |
dc.title | Change in the Upper Airway of Patients With Obstructive Sleep Apnea Syndrome Using Computational Fluid Dynamics Analysis: Conventional Maxillomandibular Advancement Versus Modified Maxillomandibular Advancement With Anterior Segmental Setback Osteotomy | - |
dc.type | Article | - |
dc.identifier.doi | 10.1097/SCS.0000000000002209 | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | JOURNAL OF CRANIOFACIAL SURGERY, v.26, no.8, pp.E765 - E770 | - |
dc.description.journalClass | 1 | - |
dc.identifier.wosid | 000368018800031 | - |
dc.identifier.scopusid | 2-s2.0-84948694347 | - |
dc.citation.endPage | E770 | - |
dc.citation.number | 8 | - |
dc.citation.startPage | E765 | - |
dc.citation.title | JOURNAL OF CRANIOFACIAL SURGERY | - |
dc.citation.volume | 26 | - |
dc.contributor.affiliatedAuthor | Suh, Sang-Ho | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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