Changes in the calibre of the upper airway and the surrounding structures after maxillomandibular advancement for obstructive sleep apnoea

Hsieh, Yun-Huan; Liao, Yu‐Fang; Chen, Ning‐Hung; Chen, Yu-Ray

doi:10.1016/j.bjoms.2014.02.006

Cited by 59 publications

(78 citation statements)

References 23 publications

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“…The nasopharynx and oropharynx were measured as the volume from the posterior nasal spine to the tip of the uvula and the tip of the uvula to the tip of the epiglottis, respectively. 23,24 Linear surgical advancement of the incisal edges was measured using the Erickson model platform (Great Lakes Orthodontics, Tonawanda, NY). The surgical changes of the posterior airway space and occlusal plane rotation were measured using Cephalometric for Orthognathic Surgery analysis.…”

Section: Data Collectionmentioning

confidence: 99%

“…33,34 Numerous studies have used CBCT to provide more accurate 3D imaging of the airway morphologic changes associated with various surgical interventions. [22][23][24][25]27,[35][36][37][38][39] The purpose of the present study was to evaluate the 2-dimensional and 3D morphologic airway changes associated with bimaxillary advancement in patients with OSA. We hypothesized that the hard tissue advancements of MMA would strongly correlate with improvements in the various airway soft tissue morphologic parameters (eg, airway volume [AV], posterior airway space [PAS], airway shape [lateral/anteroposterior (LAT/AP) ratio], and airway index [AI]).…”

mentioning

confidence: 99%

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Linear and Volumetric Airway Changes After Maxillomandibular Advancement for Obstructive Sleep Apnea

Butterfield

Marks

McLean

et al. 2015

Journal of Oral and Maxillofacial Surgery

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Section: Data Collectionmentioning

confidence: 99%

mentioning

confidence: 99%

Linear and Volumetric Airway Changes After Maxillomandibular Advancement for Obstructive Sleep Apnea

Butterfield

Marks

McLean

et al. 2015

Journal of Oral and Maxillofacial Surgery

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“…The maxillary advancement procedure causes an enlargement of UA in the nasopharyngeal and retropalatal areas and a subsequent increase in the dimensions and volume of the airway space 12 . Although the repositioning is anteroposterior, the increase of the UA dimensions is mainly in the transverse direction 15,16 . Per Pereira-Filho et al's 1 study, the maxillary advancement procedure, when compared to the mandibular setback and bimaxillary surgery procedures, showed the highest stability in the anteroposterior increase of the UA due to the repositioning of the soft palate tissues and muscles.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…Although this method is useful for analysis in the sagittal plane, it has limitations, including overlapping of images and difficult delimitation between the structures, and it does not capture the airway width 11,13,15 . Computed tomography is one of the best methods for evaluating 3D structures of the UA and facial skeleton [15][16][17] . Among its advantages is the evaluation of the regions in the coronal, axial, and sagittal planes; the visualization of soft and hard tissues; and the possibility of segmentation for volumetric analysis 8,[11][12][13] .…”

Section: Discussionmentioning

confidence: 99%

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Volumetric and cephalometric evaluation of the upper airway of class III patients submitted to maxillary advancement

Santiago

Moura

Gabrielli

et al. 2016

Rev. odontol. UNESP

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ResumoIntrodução: A deficiência anteroposterior da maxila pode estar associada com a diminuição do volume da via aérea superior. O avanço de maxila por resultar em um aumento do espaço aéreo superior. Objetivo: Correlacionar mensurações cefalométricas (2D) e volumétricas (3D) da via aérea superior em pacientes classe III tratados por meio de avanço maxilar. Material e método: Este estudo retrospectivo transversal foi realizado em dez pacientes adultos submetidos ao avanço de maxila para correção de deficiência anteroposterior de maxila e deformidade classe III. Foram incluídos os dados de tomografias computadorizadas Cone beam em dois períodos: pré-operatório (T1) e pós-operatório de 6 a 8 meses (T2). Os arquivos DICOM foram importados e reconstruídos para avaliação volumétrica e cefalométrica da via aérea superior, dividida em nasofaringe, orofaringe e hipofaringe (Arnett & Gunson FAB Surgery). Resultado: A idade variou de 26 a 55 anos, com média de 36,3±9,2 anos. Não foram verificadas diferenças estatisticamente significantes para os parâmetros cefalométricos e volumétricos das três regiões da faringe entre os períodos T1 e T2. Este resultado ocorreu devido à pequena quantidade de avanço maxilar (4,7±1,89mm) necessário para a correção da deformidade na amostra. A correlação entre área e volume não foi estatisticamente significante apenas para as mensurações pré-operatórias da nasofaringe (r=0,30; p=0,40). Nas outras regiões e períodos a correlação foi estatisticamente significante (p<0,05). Conclusão: Avanços maxilares de pequenas dimensões não resultam em um aumento significativo das dimensões da via aérea superior.Descritores: Cirurgia ortognática; remodelação das vias aéreas; maxila. AbstractIntroduction: Anteroposterior maxillary deficiency can be associated with a decrease of upper airway volume. Maxillary advancement can improve the upper airway space. Aim: To correlate cephalometric (2D) and volumetric (3D) measurements of the upper airway in class III patients treated by maxillary advancement. Material and method: This retrospective transversal study was performed in ten adult patients submitted to maxillary advancement for correction of class III deformity secondary to maxillary anteroposterior deficiency. The Cone beam tomography files included in the medical records were used: (T1) pre-operative and (T2) 6 to 8 months postoperative. The DICOM files were imported and reconstructed for volumetric and cephalometric evaluation of the upper airway, as divided into nasopharynx, oropharynx and hypopharynx (Arnett & Gunson FAB Surgery). Result: Age ranged from 26 to 55 years with a mean of 36.3±9.2 years. There were no statistically significant differences for cephalometric and volumetric parameters of the three pharyngeal regions between T1 and T2 periods. This was due to the small amount of maxillary advancement necessary to correct the maxillary deformity in the studied patients (4.7±1.89mm). The correlation between area and volume was not statistically significant only for preoperative measurements of t...

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Le Fort I Osteotomy and Maxillary Advancement

Witherow¹,

Naini²

2016

Orthognathic Surgery

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Changes in the calibre of the upper airway and the surrounding structures after maxillomandibular advancement for obstructive sleep apnoea

Cited by 59 publications

References 23 publications

Linear and Volumetric Airway Changes After Maxillomandibular Advancement for Obstructive Sleep Apnea

Linear and Volumetric Airway Changes After Maxillomandibular Advancement for Obstructive Sleep Apnea

Volumetric and cephalometric evaluation of the upper airway of class III patients submitted to maxillary advancement

Le Fort I Osteotomy and Maxillary Advancement

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