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Distraction osteogenesis

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https://www.readbyqxmd.com/read/29771839/application-of-autologous-human-bone-marrow-derived-mesenchymal-stem-cells-in-distraction-osteogenesis-for-the-treatment-of-bilateral-mandibular-hypoplasia
#1
Hun Jun Lim, Eui Mook Lee, Won Ki Kim, Han Jong Kim, Bong Chul Kim, Jun Lee
Distraction osteogenesis a surgical procedure conducted to improve craniofacial deformities. Compared with conventional operations, this technique has advantages such as the ability to lengthen the soft tissue and hard tissue. Therefore, this method is used to treat severe craniofacial abnormalities.The major disadvantage of distraction osteogenesis is the long treatment period. If the consolidation period is not sufficiently long after the distraction period, complications such as discontinuity or contraction of newly formed bone may occur...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771833/proptosis-correction-in-pre-adolescent-patients-with-syndromic-craniosynostosis-by-le-fort-iii-distraction-osteogenesis
#2
Travis L Gibson, Barry H Grayson, Joseph G McCarthy, Pradip R Shetye
Le Fort III distraction osteogenesis may be indicated in the treatment of syndromic craniosynostosis with severe midface retrusion and proptosis. This study assesses the stability of proptosis correction over 10-years.A retrospective review identified 15 patients with syndromic craniosynostosis treated by Le Fort III distraction prior to age 10 (9 males, 6 females; age 4.9 ± 1.5 years). Untreated, non-craniosynostotic age- and gender-matched controls were obtained from historical growth records. Lateral cephalometric tracings at pre-surgery (T1), immediate (T2), 1 year (T3), 5 years (T4), and 10 years (T5) (n = 11) post-distraction were superimposed using the best-fit of cranial base...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29767473/prediction-of-callus-subsidence-in-distraction-osteogenesis-using-callus-formation-scoring-system-preliminary-study
#3
Panlop Tirawanish, Perajit Eamsobhana
OBJECTIVE: To develop the scoring system which describes both quality and quantity of callus formation to predict the callus subsidence. METHODS: Forty-seven bony segments with an average lengthening of 5.17 ± 2.83 cm were included. The score was calculated based on the amount of callus classified in five patterns and the summation with the density of the callus classified in four patterns; the total score was 9. Bony subsidence >10% or >10° angulation were considered significant...
May 16, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29763493/clinical-outcomes-of-vertical-distraction-osteogenesis-for-dental-implantation-a-systematic-review-and-meta-analysis
#4
Kai Zhao, Feng Wang, Wei Huang, Yiqun Wu
PURPOSE: The aim of this study was to evaluate the clinical outcomes of vertical distraction osteogenesis (VDO) for patients with vertically deficient alveolar ridges in terms of (1) the cumulative implant survival rate, (2) bone gain, (3) bone resorption before and after implant insertion, and (4) complications. MATERIALS AND METHODS: An electronic search was conducted via MEDLINE (PubMed), EMBASE, and the Cochrane Library, complemented by manual searches, to identify eligible clinical studies of VDO before dental implantation...
May 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29750668/management-of-obstructive-sleep-apnoea-an-update-on-the-role-of-distraction-osteogenesis
#5
Yiu Yan Leung, Karen Kar Yan Lai
PURPOSE OF REVIEW: This article reviews the current literature on the use of distraction osteogenesis as a treatment for patients with obstructive sleep apnoea (OSA). We reviewed the indications, surgical protocols and outcomes for distraction osteogenesis in paediatric and adult OSA cases described in the literature. RECENT FINDINGS: There is evidence that distraction osteogenesis is effective in treating children with OSA as a result of underdevelopment of jaws such as those with craniofacial syndromes...
May 9, 2018: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/29748706/evaluation-of-parental-and-surgeon-stressors-and-perceptions-of-distraction-osteogenesis-in-pediatric-craniofacial-patients-a-cross-sectional-survey-study
#6
Rosaline S Zhang, Lawrence O Lin, Ian C Hoppe, Ari M Wes, Jordan W Swanson, Scott P Bartlett, Jesse A Taylor
PURPOSE: There is a paucity of literature on how limitations of distraction osteogenesis (DO) are perceived by physicians and parents of pediatric patients. Specifically understanding which features of DO are most concerning to these two groups may better inform parent education, as well as direct improvements in distraction protocols and devices. METHOD: Parents/guardians of patients (between January 2016 and October 2017) being treated with craniofacial distraction were recruited to complete a survey regarding level of stress (1 = not stressful, 9 = maximally stressful) associated with eight features of DO...
May 11, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29742568/the-effect-of-different-doses-of-extracorporeal-shock-waves-on-experimental-model-mandibular-distraction
#7
Cihan Bereket, Nilüfer Çakir-Özkan, Mehmet Emin Önger, Selim Arici
OBJECTIVE: Distraction osteogenesis (DO) is widely used treatment for the bone deformities. In addition extracorporeal shock wave therapy (ESWT) is a new perspective on noninvasive modalities of management of the bone regeneration. We examined the effects of 2 different single doses of ESWT on the consolidation period of DO of the rabbit mandible using stereological, radiological and immunohistochemical methods in the present study. METHODS: DO was performed unilaterally in the mandible of 18 New Zealand rabbits (6 months' old, weighing between 2...
May 8, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29736288/reconstruction-of-the-adult-hemifacial-microsomia-patient-with-temporomandibular-joint-total-joint-prosthesis-and-orthognathic-surgery
#8
Piero Cascone, Valentino Vellone, Valerio Ramieri, Emanuela Basile, Achille Tarsitano, Claudio Marchetti
Background: HFM patients' reconstruction has always been a challenge for maxillofacial surgeons, and numerous reconstructive techniques have been described. Surgical treatment depends on the patient's age and contemplates Temporomandibular Joint (TMJ) reconstruction in conjunction with orthognathic surgery, usually necessary following completion of growth to maximize the functional and esthetic results. Distraction osteogenesis had gained popularity as valid alternative in growing patients, but the two primary methods to reconstruct the TMJs involve the use of autogenous, using free or microvascular bone grafts, or alloplastic graft, but there is no widely accepted method...
2018: Case Reports in Surgery
https://www.readbyqxmd.com/read/29728631/anatomical-and-mechanical-properties-of-swine-midpalatal-suture-in-the-premaxillary-maxillary-and-palatine-region
#9
Fabio Savoldi, Bing Xu, James K H Tsoi, Corrado Paganelli, Jukka P Matinlinna
The mechanical properties of the midpalatal suture and their relationship with anatomical parameters are relevant for both tissue engineering and clinical treatments, such as in sutural distraction osteogenesis. Soft tissues were dissected from ten swine heads and the hard palate was sliced perpendicularly to the midpalatal suture. Thirteen specimens were collected from each animal and analysed with micro-computed tomography and 4-point-bending for sutural width (Sw), interdigitation (LII), obliteration (LOI), failure stress (σ f ), elastic modulus (E), and bone mineral density (BMD)...
May 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29707444/applications-of-computer-technology-in-complex-craniofacial-reconstruction
#10
Kristopher M Day, Kyle S Gabrick, Larry A Sargent
Background: To demonstrate our use of advanced 3-dimensional (3D) computer technology in the analysis, virtual surgical planning (VSP), 3D modeling (3DM), and treatment of complex congenital and acquired craniofacial deformities. Methods: We present a series of craniofacial defects treated at a tertiary craniofacial referral center utilizing state-of-the-art 3D computer technology. All patients treated at our center using computer-assisted VSP, prefabricated custom-designed 3DMs, and/or 3D printed custom implants (3DPCI) in the reconstruction of craniofacial defects were included in this analysis...
March 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29706239/the-sequential-treatment-of-temporomandibular-joint-ankylosis-with-secondary-deformities-by-distraction-osteogenesis-and-arthroplasty-or-tmj-reconstruction
#11
W Zhang, X Yang, Y Zhang, T Zhao, J Jia, S Chang, Y Liu, Bo Yu, Y Chen, Q Ma
The purpose of this study was to evaluate the sequential treatment of patients with temporomandibular joint (TMJ) ankylosis and secondary deformities by distraction osteogenesis and subsequent arthroplasty or TMJ reconstruction. This study included 40 patients treated at a stomatological hospital in China; they ranged in age from 9 to 53years (mean age 24.5years). Ten of these patients were diagnosed with unilateral TMJ ankylosis and 30 with bilateral TMJ ankylosis. Twenty-seven patients also presented obstructive sleep apnoea-hypopnoea syndrome (OSAHS)...
April 26, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29701097/-rail-and-nail-bifocal-management-of-atrophic-femoral-nonunion
#12
K Davda, N Heidari, P Calder, D Goodier
Aims The management of a significant bony defect following excision of a diaphyseal atrophic femoral nonunion remains a challenge. We present the outcomes using a combined technique of acute femoral shortening, stabilized with a long retrograde intramedullary nail, accompanied by bifocal osteotomy compression and distraction osteogenesis with a temporary monolateral fixator. Patients and Methods Eight men and two women underwent the 'rail and nail' technique between 2008 and 2016. Proximal locking of the nail and removal of the external fixator was undertaken once the length of the femur had been restored and prior to full consolidation of the regenerate...
May 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29684637/reconstruction-of-condyles-by-transport-distraction-osteogenesis-3-case-report-with-complication-management
#13
Dogan Dolanmaz, Kayhan Ozturk, Mehmet Bahadir Llik, Murat Celik
OBJECTIVE: The aim of this case report is to evaluate the clinical outcomes that including minor postoperative complications of the transport distraction osteogenesis (TDO) for reconstruction of the ramus-condyle unit. STUDY DESIGN: We present 3 cases of the ramus condyle unit reconstruction after the resection of bone tumors. All three bone tumors were excised intraoperatively and the histologic assessment confirmed the clinical diagnosis of osteochondroma, condylar hyperplasia and osteoma...
April 20, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29661509/distraction-osteogenesis-in-the-surgical-management-of-syndromic-craniosynostosis-a-comprehensive-review-of-published-papers
#14
REVIEW
N M N Al-Namnam, F Hariri, Z A A Rahman
Our aim was to summarise current published evidence about the prognosis of various techniques of craniofacial distraction osteogenesis, particularly its indications, protocols, and complications. Published papers were acquired from online sources using the keywords "distraction osteogenesis", "Le Fort III", "monobloc", and "syndromic craniosynostosis" in combination with other keywords, such as "craniofacial deformity" and "midface". The search was confined to publications in English, and we followed the guidelines of the PRISMA statement...
April 13, 2018: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29649371/subsegmental-osteotomy-technique-with-distraction-osteogenesis-for-natural-frontal-contouring-in-metopic-synostosis
#15
Kihwan Han, Woonhyeok Jeong, Jinhan Kim, Sangho Oh
Vectoring issues occur due to the dynamics of unidirectional procedure that is selected. To circumvent such difficulties, we have devised subsegmental osteotomy with distraction. In our technique, frontal bone flap was divided into 4 segments that were linked to each other by suturing wires in an 8-year-old patient with trigonocephaly. Subsegmental osteotomy and wiring of bone flap enabled us to slide bone in a more curvilinear manner and achieve natural contour. Distraction was initiated on postoperative day 7 at the rate of 1 mm/d for 20-mm gain...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29627422/predictors-of-failure-in-infant-mandibular-distraction-osteogenesis
#16
Jeffrey A Hammoudeh, Artur Fahradyan, Colin Brady, Michaela Tsuha, Beina Azadgoli, Sally Ward, Mark M Urata
PURPOSE: Mandibular distraction osteogenesis (MDO) has been shown to be successful in treating upper airway obstruction caused by micrognathia in pediatric patients. The purpose of this study was to assess the success rate of MDO and possible predictors of failure. PATIENTS AND METHODS: The records of all neonates and infants who underwent MDO from 2008 to 2015 were retrospectively reviewed. Procedural failure was defined as patient death or the need for tracheostomy postoperatively...
March 15, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29624608/intramembranous-bone-formation-after-callus-distraction-is-augmented-by-increasing-axial-compressive-strain
#17
Julian Schuelke, Nicholaus Meyers, Sandra Reitmaier, Svenja Klose, Anita Ignatius, Lutz Claes
The mechanical environment is a primary factor in the success of distraction osteogenesis. It is known that the interfragmentary movement during the distraction and maturation phase effects the callus formation. In addition to cyclic compression, other movements like shear and bending influence the bone formation process as shown in previous callus distraction studies. Reports of cartilage presence and endochondral ossification in the regenerative zone have been associated with a lack of fixation stability and delayed healing...
2018: PloS One
https://www.readbyqxmd.com/read/29616174/management-of-severely-atrophic-maxilla-in-ectrodactyly-ectodermal-dysplasia-cleft-syndrome
#18
Adi Rachmiel, Shahar Turgeman, Omri Emodi, Dror Aizenbud, Dekel Shilo
Background: Ectrodactyly ectodermal dysplasia-cleft syndrome is a rare genetic syndrome with an incidence of 1/90,000 live births, characterized by cleft lip and palate, severely hypoplastic maxilla, and hypodontia. Patients diagnosed with ectrodactyly ectodermal dysplasia-cleft syndrome suffer from a severely hypoplastic maxilla that is highly difficult to treat using traditional orthognathic methods. In this study, we propose using distraction osteogenesis to achieve a major advancement while maintaining good stability and minimal relapse...
February 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29576923/ulnar-lengthening-reconstruction-of-interosseous-membrane-in-treatment-of-osteochondroma
#19
Marcio Aurelio Aita, Fabio Lucas Rodrigues, Rodrigo Montemor Bernardo, Daniel Rebolledo, Danilo Barronovo, Gustavo Mantovanni Ruggiero
Background:  We aim to measure the quality of life and clinical and functional outcomes of a patient who had undergone ligament reconstruction of the forearm interosseous membrane, using brachioradialis tendon more ulna distraction osteogenesis in treatment with multiple cartilaginous exostosis. Case Description:  We present a 11-year-old boy with congenital deformity in his right, dominant forearm,Type IIb by Masada classification. Distraction of the ulna, resection of exostosis, and reconstruction of the distal part of the interosseous membrane was performed...
April 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29570518/surgical-treatment-of-nonsyndromic-unicoronal-craniosynostosis
#20
Jake Alford, Christopher A Derderian, James M Smartt
PURPOSE: Unicoronal synostosis (UCS) remains one of the most difficult craniofacial conditions to treat. This review attempts to consolidate all existing literature from the past 25 years that has investigated surgical treatment of nonsyndromic UCS. Additional attention is paid to specific areas of controversy regarding surgical management and evaluation of UCS: outcomes of fronto-orbital advancement (FOA) versus endoscopic strip craniectomy (ESC), emergence of spring-associated cranioplasty for craniosynostosis, and morphologic assessment metrics...
March 22, 2018: Journal of Craniofacial Surgery
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