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Maxillomandibular advancement

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https://www.readbyqxmd.com/read/29016191/treatment-changes-of-hypo-and-hyperdivergent-class-ii-herbst-patients
#1
Kim Rogers, Phillip M Campbell, Larry Tadlock, Emet Schneiderman, Peter H Buschang
OBJECTIVES: To determine the relative effects of Herbst appliance therapy in hypo- and hyperdivergent patients. MATERIALS AND METHODS: The treated group included 45 growing Class II, division 1, patients treated with stainless steel crown Herbst appliances, followed by fixed edgewise appliances. The untreated control group consisted of 45 Class II, division 1, subjects, matched to the treated sample based on Angle classification, age, sex, and pretreatment mandibular plane angle (MPA)...
October 10, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28987230/controversies-in-obstructive-sleep-apnea-surgery
#2
REVIEW
Carolyn C Dicus Brookes, Scott B Boyd
Obstructive sleep apnea (OSA) is a common chronic disease characterized by repetitive pharyngeal collapse during sleep. OSA is associated with cardiovascular disease and increased mortality, among other issues. Continuous positive airway pressure (CPAP) is considered first line therapy for OSA, but is not always tolerated. Both non-surgical and surgical alternative management strategies are available for the CPAP intolerant patient. This article explores controversies surrounding airway evaluation, definition of successful treatment, and surgical management of the CPAP intolerant patient with moderate to severe OSA...
November 2017: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/28923761/surgical-treatment-of-osa-on-cardiovascular-outcomes-a-systematic-review
#3
Tyler R Halle, Melissa S Oh, Nancy A Collop, Arshed A Quyyumi, Donald L Bliwise, Raj C Dedhia
BACKGROUND: OSA is an increasingly prevalent clinical problem with significant effects on quality of life and cardiovascular risk. Surgical therapy represents an important treatment for those unable to use positive airway pressure. This systematic review examines the available cardiovascular risk reduction data for the surgical treatment of OSA. METHODS: A comprehensive literature search was performed. Articles were included if they met the following criteria: (1) the sample population consisted of adults (age ≥ 18 years); (2) OSA was diagnosed according to a sleep study; (3) surgical intervention was performed for OSA; and (4) one or more physical or biochemical cardiovascular and/or cerebrovascular variables was measured preoperatively and at ≥ 14 days' postoperatively...
September 18, 2017: Chest
https://www.readbyqxmd.com/read/28879332/anesthetic-management-for-simultaneous-drug-induced-sleep-endoscopy-and-maxillomandibular-advancement-in-a-patient-with-obstructive-sleep-apnea
#4
Tae Seong Kuk, Eunsun So, Myong-Hwan Karm, Jimin Kim, Seong In Chi, Hyun Jeong Kim, Kwang-Suk Seo, Sung Woon On, Jin-Young Choi
Drug-induced sleep endoscopy (DISE) is used to identify areas of upper airway obstruction, which occurs when patients with obstructive sleep apnea (OSA) snore. DISE enables effective diagnosis and appropriate treatment of the obstruction site. Among surgical treatment methods for OSA, maxillomandibular advancement surgery (MMA) is performed to move a jaw forward; the surgery has a high success rate for OSA treatment. In DISE, anesthetics such as propofol and midazolam must be administered to induce snoring while the patient is deeply sedated for an accurate diagnosis to be made...
March 2017: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/28834052/incidence-of-obstructive-sleep-apnea-in-elderly-edentulous-patients-and-the-possible-correlation-of-serum-serotonin-and-apnea-hypopnea-index
#5
Arvind Tripathi, Soumyojeet Bagchi, Juhi Singh, Suryakant Tripathi, Narendra Kumar Gupta, Varun Arora
PURPOSE: To estimate the incidence of obstructive sleep apnea (OSA) in elderly edentulous patients (aged 60-65 years) and investigate a correlation of serum serotonin levels with the apnea-hypopnea index (AHI), respiratory effort-related arousal (RERA), and respiratory disturbance index (RDI). MATERIALS AND METHODS: 381 elderly completely edentulous patients (307 male, 74 female) aged 60 to 65 years with a history of edentulism of 12 to 15 months, seeking oral rehabilitation at the prosthodontic clinic at Saraswati Dental College & Hospital, Lucknow, India, between January 2014 and January 2016 were enrolled for the present study...
August 21, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28760319/maxillomandibular-advancement-as-the-initial-treatment-of-obstructive-sleep-apnoea-is-the-mandibular-occlusal-plane-the-key
#6
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
#7
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
#8
REVIEW
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
#9
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...
September 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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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...
July 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
#19
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...
July 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
#20
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
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