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Maxillomandibular advancement

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https://www.readbyqxmd.com/read/28760319/maxillomandibular-advancement-as-the-initial-treatment-of-obstructive-sleep-apnoea-is-the-mandibular-occlusal-plane-the-key
#1
P Rubio-Bueno, P Landete, B Ardanza, L Vázquez, J B Soriano, R Wix, A Capote, E Zamora, J Ancochea, L Naval-Gías
Maxillomandibular advancement (MMA) can be effective for managing obstructive sleep apnoea (OSA); however, limited information is available on the predictor surgical variables. This study investigated whether normalization of the mandibular occlusal plane (MOP) was a determinant factor in curing OSA. Patients with moderate or severe OSA who underwent MMA were evaluated by preoperative and postoperative three-dimensional (3D) scans and polysomnograms. The postoperative value of MOP and the magnitude of skeletal advancement were the predictor variables; change in the apnoea-hypopnoea index (AHI) was the main outcome variable...
July 28, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28751184/restoration-of-sleep-architecture-after-maxillomandibular-advancement-success-beyond-the-apnea-hypopnea-index
#2
S Y-C Liu, L-K Huon, C Ruoff, R W Riley, K P Strohl, Z Peng
While effects of maxillomandibular advancement (MMA) on respiratory parameters for patients with obstructive sleep apnea (OSA) are well described, effects on sleep architecture before and after MMA are not. A retrospective cohort analysis on sleep architecture was examined in 10 OSA patients who underwent MMA surgery between July 2013 and November 2014, and had prespecified complete polysomnography (PSG) datasets. Sleep stages were examined relative to a Western European population-based control group. All of the respiratory parameters improved significantly post MMA...
July 24, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28749983/how-does-mandibular-advancement-with-or-without-maxillary-procedures-affect-pharyngeal-airways-an-overview-of-systematic-reviews
#3
Su Keng Tan, Wai Keung Leung, Alexander Tin Hong Tang, Roger A Zwahlen
BACKGROUND: Mandibular advancement surgery may positively affect pharyngeal airways and therefore potentially beneficial to obstructive sleep apnea (OSA). OBJECTIVE: To collect evidence from published systematic reviews that have evaluated pharyngeal airway changes related to mandibular advancement with or without maxillary procedures. METHODOLOGY: PubMed, EMBASE, Web of Science, and Cochrane Library were searched without limiting language or timeline...
2017: PloS One
https://www.readbyqxmd.com/read/28743605/three-dimensional-analysis-of-the-pharyngeal-airway-space-and-hyoid-bone-position-after-orthognathic-surgery
#4
Amanda Lury Yamashita, Liogi Iwaki Filho, Pablo Cornélius Comelli Leite, Ricardo de Lima Navarro, Adilson Luiz Ramos, Isolde Terezinha Santos Previdelli, Matheus Henrique Dal Molin Ribeiro, Lilian Cristina Vessoni Iwaki
PURPOSE: The aim of this study was to evaluate changes in the pharyngeal airway space (PAS) and hyoid bone position after orthognathic surgery with cone-beam computed tomography (CBCT). MATERIAL AND METHODS: This study was conducted with the tomographic records of 30 patients with skeletal class II or III deformities submitted to two different types of orthognathic surgery: Group 1 (n = 15), maxillary advancement, and mandibular setback; and Group 2 (n = 15), maxillomandibular advancement...
July 4, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28738365/advances-in-box-surgery-for-obstructive-sleep-apnea-genioglossus-advancement-hyoid-suspension-and-maxillomandibular-advancement
#5
Yau Hong Goh, Winston Tan, Victor James Abdullah, Sung Wan Kim
Box surgery for obstructive sleep apnea (OSA) patients consists of mandibular surgery, including genioglossus advancement, hyoid suspension, and maxillomandibular advancement, as an airway reconstruction. This surgery was developed in the early 1980s. Thereafter, techniques were modified in each surgery for the enhancement of outcome and prevention of complications. However, the indication for surgery remains poorly defined due to the dynamicity of the upper airway, variability of the phenotype in OSA patients, and absence of a representative method for the obstruction site in the upper airway...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28736115/three-dimensional-volumetric-changes-in-the-upper-airway-after-maxillomandibular-advancement-in-obstructive-sleep-apnoea-patients-and-the-impact-on-quality-of-life
#6
B Veys, L Pottel, W Mollemans, J Abeloos, G Swennen, N Neyt
Obstructive sleep apnoea (OSA) is a sleep-related breathing disorder, characterized by repetitive airway obstructions, causing disruptive snoring and daytime sleepiness. Maxillomandibular advancement (MMA), which enlarges the upper airway, is a therapeutic surgical approach. However, no study has performed an upper airway sub-region analysis using validated three-dimensional (3D) anatomical and technical limits on cone beam computed tomography (CBCT). Hence, this prospective, observational trial was performed to evaluate 3D volumetric changes in the upper airway according to validated 3D cephalometric landmarks, before and after MMA, for all patients with a polysomnography diagnosis of OSA (apnoea-hypopnoea index (AHI) ≥5)...
July 20, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28728709/counterclockwise-maxillomandibular-advancement-surgery-and-disc-repositioning-can-condylar-remodeling-in-the-long-term-follow-up-be-predicted
#7
L R Gomes, L H Cevidanes, M R Gomes, A C Ruellas, D P Ryan, B Paniagua, L M Wolford, J R Gonçalves
This study investigated predictive risk factors of condylar remodeling changes after counterclockwise maxillomandibular advancement (CCW-MMA) and disc repositioning surgery. Forty-one female patients (75 condyles) treated with CCW-MMA and disc repositioning had cone beam computed tomography (CBCT) scans taken pre-surgery, immediately after surgery, and at an average 16 months post-surgery. Pre- and post-surgical three-dimensional models were superimposed using automated voxel-based registration on the cranial base to evaluate condylar displacements after surgery...
July 17, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28684302/assessment-of-obstructive-sleep-apnoea-treatment-success-or-failure-after-maxillomandibular-advancement
#8
M H T de Ruiter, R C Apperloo, D M J Milstein, J de Lange
Maxillomandibular advancement (MMA) is an alternative therapeutic option that is highly effective for treating obstructive sleep apnoea (OSA). MMA provides a solution for OSA patients that have difficulty accepting lifelong treatments with continuous positive airway pressure or mandibular advancement devices. The goal of this study was to investigate the different characteristics that determine OSA treatment success/failure after MMA. The apnoea-hypopnoea index (AHI) was used to determine the success or failure of OSA treatment after MMA...
July 3, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28669444/long-term-influence-of-mandibular-advancement-on-the-volume-of-the-posterior-airway-in-skeletal-class-ii-patients-a-retrospective-analysis
#9
D Dalla Torre, D Burtscher, G Widmann, M Rasse, T Puelacher, W Puelacher
In the past, maxillomandibular advancement has resulted in considerable improvement in the volume of the posterior airway space. The objective of the present study was to find out how mandibular advancement without maxillary involvement would affect the posterior airway space in patients with mandibular retrognathism. Cone-beam computed tomographic (CT) scans were done for 20 patients before, and six months after, mandibular advancement. Cephalometric analysis at both time points included 2-dimensional and 3-dimensional assessment of the upper airway...
June 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28665848/change-in-posterior-pharyngeal-space-after-counterclockwise-rotational-orthognathic-surgery-for-class-ii-dentofacial-deformity-diagnosed-with-obstructive-sleep-apnea-based-on-cephalometric-analysis
#10
Woo Shik Jeong, Young Chul Kim, Yoo Sam Chung, Chang Yeol Lee, Jong Woo Choi
Although maxillomandibular advancement (MMA) is an orthognathic surgical procedure used to manage obstructive sleep apnea (OSA) in individuals who are noncompliant with continuous positive airway pressure therapy, simple MMA encounters problems in terms of aesthetic outcomes in Asian populations with preexisting dentoalveolar protrusion. Our current prospective investigation describes changes in posterior pharyngeal space and aesthetic outcomes after counterclockwise rotational orthognathic surgery, which is known to be quite difficult in terms of the maintenance of the skeletal stability in skeletal class II patients with OSA...
June 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28659977/facial-mobility-after-maxilla-mandibular-advancement-in-patients-with-severe-obstructive-sleep-apnea-syndrome-a-three-dimensional-study
#11
Laura Verzé, Francesca Antonella Bianchi, Niccolò Barla, Serena Maria Curti, Giovanni Gerbino, Guglielmo Amedeo Ramieri
Introduction. The functional results of surgery in terms of facial mobility are key elements in the treatment of patients. Little is actually known about changes in facial mobility following surgical treatment with maxillomandibular advancement (MMA). Objectives. The three-dimensional (3D) methods study of basic facial movements in typical OSAS patients treated with MMA was the topic of the present research. Materials and Methods. Ten patients affected by severe obstructive sleep apnea syndrome (OSAS) were engaged for the study...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28576543/pycnodysostosis-at-otorhinolaryngology
#12
Tekin Baglam, Adem Binnetoglu, Muhammet Fatih Topuz, Nilay Baş Ikizoglu, Refika Ersu, Serap Turan, Murat Sarı
AIM: Pycnodysostosis is a rare autosomal, recessive, skeletal dysplasia caused by a mutation in the cathepsin k gene. Pycnodysostosis is characterized by short stature, characteristic facial appearance (delayed closure of fontanelles and cranial sutures, mandibular hypoplasia and angle disorder, blue sclera), and acroosteolysis of the distal phalanges. Our aim was to describe the otorhinolaryngologic findings, differential diagnoses, various treatment options, and followup in eight cases of pycnodysostosis...
April 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28417661/corrective-nasal-surgery-after-maxillomandibular-advancement-for-obstructive-sleep-apnea-experience-from-379-cases
#13
Stanley Yung-Chuan Liu, Pi-Jung Lee, Michael Awad, Robert W Riley, Soroush Zaghi
Objective Efficacy of maxillomandibular advancement (MMA) in the treatment of obstructive sleep apnea (OSA) is associated with degree of maxillary advancement. Large maxillary advancement leads to profound changes of the nasolabial region. We present the incidence and indications of post-MMA corrective nasal surgery in a large cohort. Study Design Case series with chart review. Setting University medical center. Subjects and Methods A total of 379 subjects with OSA underwent MMA at Stanford Hospital (surgeons: S...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28294946/continuing-the-original-stanford-sleep-surgery-protocol-from-upper-airway-reconstruction-to-upper-airway-stimulation-our-first-successful-case
#14
Stanley Yung Liu, Robert Wayne Riley
In 1993, a surgical protocol for dynamic upper airway reconstruction in patients with obstructive sleep apnea (OSA) was published, and it became commonly known as the Stanford phase 1 and 2 sleep surgery protocol. It served as a platform on which research and clinical studies have continued to perfect the surgical care of patients with OSA. However, relapse is inevitable in a chronic condition such as OSA, and a subset of previously cured surgical patients return with complaints of excessive daytime sleepiness...
February 20, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28293491/disparities-in-utilization-of-jaw-surgery-for-treatment-of-sleep-apnea-a-nationwide-analysis
#15
Ravi K Garg, Ying Shan, Jeffrey A Havlena, Ahmed M Afifi
BACKGROUND: Maxillomandibular advancement has been shown to be one of the most effective operations for management of severe obstructive sleep apnea, yet pharyngeal surgery is more commonly performed. The goal of this study was to identify socioeconomic factors associated with this phenomenon. METHODS: Patients aged 14 or older with a primary hospital diagnosis of sleep apnea were identified using the National Inpatient Sample from 2005 to 2012. ICD9 codes were used to determine whether a pharyngeal or jaw procedure was performed...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28258532/counterclockwise-maxillomandibular-advancement-a-choice-for-chinese-patients-with-severe-obstructive-sleep-apnea
#16
Silong Wei, Yong Zhang, Xiaojing Guo, Wenwen Yu, Meng Wang, Kan Yao, Hongxia Sun, Hua Zhang, Xiaofeng Lu
PURPOSE: Maxillomandibular advancement (MMA) is an effective alternative for treating severe obstructive sleep apnea (OSA). However, the promotion of MMA in China is limited by many Chinese patients having a convex facial profile. To achieve maximal upper airway enlargement without an esthetic disaster, we added counterclockwise rotation of the maxillomandibular complex (MMC) in the routine MMA. In this paper, we have evaluated the objective and subjective outcomes of this technology...
March 3, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28123648/effectiveness-of-maxillomandibular-advancement-mma-surgery-in-sleep-apnea-treatment-case-report
#17
Otávio Ferraz, Thais M Guimarães, Rowdley R Rossi, Paulo A Cunali, Cibele Dal Fabbro, Cauby M Chaves, Milton Maluly, Lia Bittencourt, Sergio Tufik
Obstructive sleep apnea (OSA) is characterized by episodes of pharyngeal collapse during sleep. Craniofacial alterations such as retrognathia are often found in OSA patients. Maxillomandibular advancement (MMA) surgeries increase the pharyngeal space and are a treatment option for OSA. The aim of this study was to present a successful case of MMA surgery in the treatment of OSA. A patient with moderate OSA (apnea-hypopnea index (AHI)=25.2) and mandibular retrognathism and Maxillomandibular asymmetry underwent MMA surgery...
July 2016: Sleep Science
https://www.readbyqxmd.com/read/28111283/morphological-impact-on-patients-of-maxillomandibular-advancement-surgery-for-the-treatment-of-obstructive-sleep-apnea-hypopnea-syndrome
#18
Thibaut Beranger, Emilie Garreau, Joël Ferri, Gwenael Raoul
INTRODUCTION: The aim of this study is to evaluate the experience of patients who have benefited from maxillomandibular advancement surgery for the treatment of obstructive sleep apnea-hypopnea syndrome (OSAHS), and also the morphological modifications measured on pre- and postoperative lateral headfilms. PATIENTS AND METHODS: Twenty-three patients aged 24 to 64 (M=46.8) who had undergone bimaxillary advancement osteotomy for the treatment of OSAHS filled in a questionnaire concerning their overall satisfaction following surgery, the modification of their facial appearance as perceived by themselves and their family and friends, the change in their smile, and the slimmer and more youthful appearance of their face...
March 2017: International Orthodontics
https://www.readbyqxmd.com/read/28063275/a-survey-of-sleep-medicine-physician-perceptions-on-the-surgical-treatment-of-obstructive-sleep-apnea
#19
Jonathan J Swope, Marcus A Couey, James W Wilson, Jonathon S Jundt
PURPOSE: Surgical treatment for obstructive sleep apnea (OSA) varies by specialty. Our survey sought to answer 3 principal questions: 1) To which surgical specialists are sleep physicians referring patients for upper airway surgery? 2) Which surgical treatment do sleep specialists find to be most effective in treating OSA? 3) Do sleep medicine physicians believe that maxillomandibular advancement (MMA) is worthwhile to patients who are surgical candidates? MATERIALS AND METHODS: We formulated a cross-sectional survey...
May 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28062177/maxillomandibular-advancement-for-obstructive-sleep-apnea-syndrome-treatment-long-term-results
#20
Aurélie Vigneron, Renaud Tamisier, Emmanuelle Orset, Jean-Louis Pepin, Georges Bettega
PURPOSE: We evaluated the long term effectiveness of maxillomandibular advancement (MMA) for OSAS treatment patients. This retrospective study reviewed the patients treated by MMA for OSAS between 1995 and 2009. They were evaluated by complete polysomnography, cephalometry and quality of life questionnaire. The minimum follow up was 3 years. Success rate was defined by an IAH <10 with at least a 50% reduction. MATERIAL AND METHODS: 88 patients had MMA during this period...
December 7, 2016: Journal of Cranio-maxillo-facial Surgery
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