Surgical changes of posterior airway space in obstructive sleep apnea

Waite, Peter D.; Vilos, Georgios A

doi:10.1016/s1042-3699(02)00033-x

Cited by 28 publications

(17 citation statements)

References 37 publications

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“…Surgical success in the management of OSAS can be evaluated using two parameters-An AHI less than 20 or a 50 % decrease in the AHI with a near normal peripheral oxygen saturation [22,23] (Spo 2 ). Twelve patients in our series showed a successful post-surgical outcome with significant improvement in the AHI status which could be predictably correlated with an overall increase in the upper pharyngeal airway dimension and volume on 3D CT.…”

Section: Discussionmentioning

confidence: 99%

Impact of Mandibular Distraction Osteogenesis on the Oropharyngeal Airway in Adult Patients with Obstructive Sleep Apnea Secondary to Retroglossal Airway Obstruction

Ramanathan

Lakshminarayana

Pendem

et al. 2013

J. Maxillofac. Oral Surg.

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Aim To evaluate the impact of mandibular advancement by distraction osteogenesis on the oropharyngeal airway in adult patients with retroglossal airway obstruction using two different techniques of mandibular distraction. Materials And Methods 13 adult patients with mandibular hypoplasia secondary to TMJ ankylosis with OSAS and radiographic, CT and polysomnographic evidence of OSAS were included in the study. MDO was performed (corpus distraction in 8 cases and morphometric distraction in 5 patients). Post-operatively the patients were followed up by radiographs, CT and polysomnography after 1 month and 6 months. Results There was an increase in the linear dimension of mandible by 11.07 mm, the volume by 19.3% and a decrease in AHI from 44.8 to 13.2. Conclusion Mandibular distraction (corpus and orthomorphic-equivocal results) is an effective method of relieving the retroglossal airway obstruction in adult patients with OSAS.

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Section: Discussionmentioning

confidence: 99%

Impact of Mandibular Distraction Osteogenesis on the Oropharyngeal Airway in Adult Patients with Obstructive Sleep Apnea Secondary to Retroglossal Airway Obstruction

Ramanathan

Lakshminarayana

Pendem

et al. 2013

J. Maxillofac. Oral Surg.

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“…Maxillomandibular advancement surgery has been shown to be very efficacious in the elimination of OSA because it enlarges the pharyngeal airway space and tightens the upper airway muscles and tendons, mainly the velopharyngeal and suprahyoid muscles, by advancement their bony origin 7,23,24 .…”

Section: Discussionmentioning

confidence: 99%

“…Several studies have used CT to evaluate the airway in patients with OSA [20][21][22][23] . However, the information within the CT image data includes both hard and soft tissue structures, it allows visualization of the pharyngeal airway without any obstruction of bony tissue structures 8 The purpose of this study was to evaluate and compare the 3D morphologic changes in pharyngeal airway in Japanese patients with class III deformities who underwent bimaxillary surgery or mandibular setback surgery with CT imaging.…”

Section: Introductionmentioning

confidence: 99%

A comparative CT evaluation of pharyngeal airway changes in class III patients receiving bimaxillary surgery or mandibular setback surgery

Degerliyurt

Ueki

Hashiba

et al. 2008

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, an

116

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Purpose: The purpose of this study was to compare the morphologic changes of the upper airway space in Class III patients underwent mandibuler set back or bimaxillary surgery (maxillary advancement and mandibular setback) by computed tomography at 2 levels: soft palate and base of tongue Materials and Methods:The sample is consisted of 47 patients in 2 groups who had been diagnosed with Class III skeletal deformities and had been treated by mandibular setback or bimaxillary surgery (maxillary advancement and mandibular setback).Anteroposterior, lateral, cross sectional area dimensions of the airway at the level of soft palate and base of tongue was measured pre-and postoperatively on computed tomography images.Results: However, anteroposterior dimensions of the airway decreased in both groups (p<.0001), the reduction was significantly less in cases treated with bimaxillary surgery (p<.05). In mandibular setback surgery group, the cross sectional area of the airway decreased significantly (p<.001) Although, the cross sectional area of the airway decrease in bimaxillary surgery group, the reduction was not statistically significant (p>.05).Conclusions: This study suggested that bimaxillary surgery could prevent narrowing of the upper airway in the correction of Class III deformities rather than mandibular setback surgery .

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“…22 After mandibular set back operations, head posture can also change to sustain normal breathing. 4,23,24 On the contrary, maxillary advancement operations can be used mainly together with mandibular advancement operations for the treatment of OSA syndrome because of the positive effect on breathing. 25,26 Several studies have attempted to investigate the effect of orthognathic surgery on posterior airway space in Class III patients.…”

Section: Introductionmentioning

confidence: 99%

Pharyngeal airway space, hyoid bone position and head posture after orthognathic surgery in Class III patients

Aydemir

Memikoğlu

Karasu

2012

The Angle Orthodontist

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Objective: To determine the effect of orthognathic surgery on pharyngeal airway in Class III patients and to (1) compare the results of different surgical techniques, (2) determine the change at the position of the hyoid bone, and (3) evaluate the craniocervical posture changes related to pharyngeal airway change. Materials and Methods: Forty-eight Class III adult patients were included in the study to assess airway space after orthognathic surgery. Nine patients were treated with maxillary advancement, seven patients were treated with mandibular set back, and 32 patients were treated with bimaxillary surgery. Cephalometric records were taken before treatment, after surgery, and about 1 year after surgery (at the end of the treatment). Results: No differences were determined at the position of hyoid bone and craniocervical posture. Nasopharyngeal area was significantly increased in all groups (P , .05). Oropharyngeal area and SPSS and IPS parameters were significantly decreased after mandibular set back operation (P , .05). In bimaxillary and maxillary advancement groups, PPS parameter was significantly increased (P , .01), and IPS parameter was significantly decreased (P , .05). No differences were detected at oropharyngeal and hypopharyngeal areas in bimaxillary and maxillary advancement groups. Conclusion: Different surgical procedures have different effects on pharyngeal airway space. (Angle Orthod. 2012;82:993-1000.)

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Surgical changes of posterior airway space in obstructive sleep apnea

Cited by 28 publications

References 37 publications

Impact of Mandibular Distraction Osteogenesis on the Oropharyngeal Airway in Adult Patients with Obstructive Sleep Apnea Secondary to Retroglossal Airway Obstruction

Impact of Mandibular Distraction Osteogenesis on the Oropharyngeal Airway in Adult Patients with Obstructive Sleep Apnea Secondary to Retroglossal Airway Obstruction

A comparative CT evaluation of pharyngeal airway changes in class III patients receiving bimaxillary surgery or mandibular setback surgery

Pharyngeal airway space, hyoid bone position and head posture after orthognathic surgery in Class III patients

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