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https://www.readbyqxmd.com/read/28737727/patterns-associated-with-adult-mandibular-fractures-in-southern-taiwan-a-cross-sectional-retrospective-study
#1
Ko-Chien Lin, Shu-Hui Peng, Pao-Jen Kuo, Yi-Chun Chen, Cheng-Shyuan Rau, Ching-Hua Hsieh
Purpose: This study aimed to determine the patterns associated with adult mandibular fractures from a Level-I trauma center in southern Taiwan. Methods: The data of adult trauma patients admitted between 1 January 2009 and 31 December 2014 were retrieved from the Trauma Registry System and retrospectively reviewed. Fracture site and cause of injury were categorized into groups for comparison, and corresponding odds ratios (ORs) and 95% confidence intervals (CIs) were obtained by multivariate logistic regression...
July 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28732217/finite-element-evaluation-of-stable-fixation-in-combined-mandibular-fractures
#2
Thalita Regina Vieira E Oliveira, Daniel Takanori Kemmoku, Jorge Vicente Lopes da Silva, Pedro Yoshito Noritomi, Luis Augusto Passeri
PURPOSE: The fixation of combined mandibular fractures, especially symphyseal-condylar fractures, although occurring commonly and having a higher complication rate in the clinic, is rarely investigated regarding predictable therapeutic approaches. Thus this study's aim was to assess different forms of condylar fixation when combined with symphyseal fracture fixation. MATERIALS AND METHODS: Using finite element models, we analyzed the stress distribution that occurs when a condylar fracture is fixed with 1 miniplate, 2 miniplates, or a trapezoidal condylar miniplate and when a symphyseal fracture is fixed with 2 parallel plates, 2 perpendicular plates, or 2 lag screws...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28717284/is-the-mandibular-growth-affected-by-internal-rigid-fixation-a-systematic-review
#3
REVIEW
Humberto Fernández-Olarte, Andrés Gómez-Delgado, Dayan López-Dávila, Rodolfo Rangel-Perdomo, Gloria Inés Lafaurie, Leandro Chambrone
PURPOSE: The purpose of this systematic review was to evaluate, in animal model-based studies, whether there are mandibular growth alterations, after open reduction and internal rigid fixation with titanium plates and screws. METHODS: A literature search was conducted using the MEDLINE, EMBASE, and LILACS databases, up to and including August 2015. Surgical reduction and internal rigid fixation (IRF) of induced fractures were compared to non-invasive procedures, in order to investigate if there were alterations in the mandibular growth patterns...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28689459/biomechanical-comparison-of-supraacetabular-external-fixation-and-anterior-pelvic-bridge-plating
#4
Ali Turgay Çavuşoğlu, Fatma Kübra Erbay, Mehmet Hakan Özsoy, Teyfik Demir
Unstable pelvic ring injuries are complex and risky injuries due to high morbidity and mortality. Although anterior pelvic external fixator is a suitable method for rapid stabilization of an injured pelvic ring, due to some disadvantages such as high complication rate, nerve damage, and difficulties of patient's mobility and comfort, there has recently been increased searching for alternative methods for stabilization of the pelvic ring. Pubic symphysis zone freely moves in pelvic models. This study aims to evaluate the biomechanical stability of anterior pelvic bridge plating and compare it with supraacetabular external fixators in an untreated unstable pelvic fracture model...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28611968/outcome-of-internal-fixation-and-corticocancellous-grafting-of-symphysis-pubis-diastasis-which-developed-after-malunion-of-pubic-rami-fracture
#5
Hasan Bombaci
We report a case of pubic symphysis diastasis, which was initially asymptomatic; however, it became symptomatic with urinary incontinence during pregnancy. The patient was treated with open reduction and internal fixation of the symphysis pubis. A corticocancellous autograft was used for filling the gap which remained despite bilateral compression of the iliac bones. We obtained satisfactory outcome in terms of symptoms at the 3 years' follow-up; however, there was instability findings in the X-rays with broken screws...
June 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28599231/open-and-contaminated-pediatric-pelvic-ring-injury-case-report-fixation-without-metal
#6
Brian R Dilworth, John T Riehl
INTRODUCTION: Pelvic fractures are relatively uncommon in children, accounting for 0.3-7.5% of all pediatric injuries (Gänsslen et al., 2013; Ismail et al., 1996; Peltier, 1965; Galano et al., 2005; Spiguel et al., 2006). This case report describes a pediatric open pelvic injury caused by a crush mechanism between a car and guardrail. CASE: A 13year old male presented with an open APC 3 pelvic injury after being pinned between a car and guardrail. His definitive treatment included bilateral SI screw placement, as well as a less invasive method for anterior pelvic ring disruption (Internal Brace suture anchor dynamic fixation)...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28582298/flail-mandible-and-immediate-airway-management-traumatic-detachment-of-mandibular-lingual-cortex-results-in-obstructive-dyspnea-and-severe-odynophagia
#7
Ioannis Papadiochos, Lampros Goutzanis, Vasileios Petsinis
Isolated mandibular fractures usually represent themselves as non-life-threatening injuries and are not treated in emergency setting. However, some rare patterns of them may result in airway obstruction as a result of displacement of bony fragments. The authors report a patient of an open comminuted fracture of mandibular symphysis which exhibited an uncommon split pattern with retrogression of lingual cortical plate, and thereby induced glossoptosis, painful deglutition, and obstruction of the upper airway within a few hours...
July 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28574938/chronic-anterior-pelvic-instability-diagnosis-and-management
#8
Michael D Stover, Adam I Edelstein, Joel M Matta
Chronic anterior pelvic ring instability can cause pain and disability. Pain typically is localized to the suprapubic area or inner thigh; often is associated with lower back or buttock pain; and may be exacerbated by activity, direct impact, or pelvic ring compression. Known etiologies of chronic anterior pelvic ring instability include pregnancy, parturition, trauma, insufficiency fractures, athletics, prior surgery, and osteitis pubis. Diagnosis often is delayed. Physical examination may reveal an antalgic or waddling gait, tenderness over the pubic bones or symphysis pubis, and pain with provocative maneuvers...
July 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28521832/recurrent-symphysitis-culminating-in-pelvic-ring-fracture-after-hyperextended-transurethral-prostate-resection-and-vaporization-with-symphysis-erosion-a-case-report
#9
Holger Gerullis, Arne Eitzen, Jens Uphoff, Fadi Daaboul, Ajay Chavan, Leander Ermert, Friedhelm Wawroschek, Alexander Winter
BACKGROUND: Short-term and long-term complications of transurethral prostate resection can be different in nature. Capsule perforation and subsequent fistulation after resection and electrovaporization is seldom reported in the literature. CASE PRESENTATION: Here we report the case of a 79-year-old caucasian man with capsule perforation after transurethral prostate resection and electrovaporization resulting in a severe and recurrent symphysitis and subsequent pelvic ring fracture...
May 19, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28513527/management-of-pediatric-mandibular-fracture-using-orthodontic-vacuum-formed-thermoplastic-splint-a-case-report-and-review-of-literature
#10
O O Sanu, Aos Ayodele, M O Akeredolu
Fractures of the mandible are relatively less frequent in children when compared to adults. The anatomic features of children are protected. Children have a higher adaptation to maxillofacial fractures compared to adults. Treatment principles of mandibular fractures in children differ from that of adults due to concerns regarding mandibular growth and the developing dentition. A case of a 6-year-old boy with fractured mandibular symphysis managed by closed reduction using a vacuum formed thermoplastic splint and circummandibular wiring is presented...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28439163/superolateral-dislocation-of-bilateral-intact-mandibular-condyles-a-rare-case-series
#11
Satishkumar G Patil, Bindu S Patil, Udupikrishna Joshi, B M Rudagi, Aafreen Aftab
BACKGROUND AND PURPOSE: The dislocation of mandibular condyle is a clinical condition in which the head of condyle has been displaced out of the glenoid fossa. Complete dislocation of the mandibular condyle can occur in anterior, posterior, lateral and superior direction. Among these dislocations, bilateral superolateral dislocation of mandibular condyles is quite rare and often misdiagnosed. Because of its rare occurrence and unusual clinical course, the best treatment is debatable. PATIENTS AND METHOD: We present the first case series of true bilateral superolateral dislocation of intact mandibular condyles (Type 2B) without fracturing the Zygomatic arch, associated with symphysis fracture...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439162/evaluating-the-effect-of-minimizing-screws-on-stabilization-of-symphysis-mandibular-fracture-by-3d-finite-element-analysis
#12
Ghias Kharmanda, Mohamed-Yaser Kharma
PURPOSE: The objective of this work is to integrate structural optimization and reliability concepts into mini-plate fixation strategy used in symphysis mandibular fractures. The structural reliability levels are next estimated when considering a single failure mode and multiple failure modes. PATIENTS AND METHODS: A 3-dimensional finite element model is developed in order to evaluate the ability of reducing the negative effect due to the stabilization of the fracture...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28429855/coincidence-of-mandibular-fractures-with-isolated-posterior-maxillary-sinus-fractures
#13
Sebastian Blatt, Roman Rahimi-Nedjat, Keyvan Sagheb, Lisa Piechowiak, Christian Walter, Dan Brüllmann
BACKGROUND/AIM: There is no data available to show whether there is a relationship between mandibular fractures and isolated fractures of the posterior and/or latera wals of the maxillary sinus. The aim of this study was to determine whether there is a coincidence between these fracture patterns. METHODS: Four hundred large volume cone beam computed tomography scans (CBCT) of patients with a fracture of the mandible between 2008 and 2013 were analyzed retrospectively...
April 21, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28420360/operative-versus-conservative-treatment-of-apophyseal-avulsion-fractures-of-the-pelvis-in-the-adolescents-a-systematical-review-with-meta-analysis-of-clinical-outcome-and-return-to-sports
#14
REVIEW
H Eberbach, L Hohloch, M J Feucht, L Konstantinidis, N P Südkamp, J Zwingmann
BACKGROUND: Avulsion fractures of the pelvic apophyses typically occur in adolescent athletes due to a sudden strong muscle contraction while growth plates are still open. The main goals of this systematic review with meta-analysis were to summarize the evidence on clinical outcome and determine the rate of return to sports after conservative versus operative treatment of avulsion fractures of the pelvis. METHODS: A systematic search of the Ovid database was performed in December 2016 to identify all published articles reporting outcome and return to preinjury sport-level after conservative or operative treatment of avulsion fractures of the pelvis in adolescent patients...
April 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28409337/surgical-considerations-with-the-operative-fixation-of-unstable-paediatric-pelvic-ring-injuries
#15
Mohamed Kenawey
INTRODUCTION: The operative treatment of unstable pelvic injuries in paediatrics is not frequently indicated. The detailed modes of pelvic ring failure, surgical techniques, fixation choices, and peri-operative difficulties are not well reported. METHODS: From September 2010 to March 2016, 62 paediatric patients were admitted to an academic level I trauma center with the diagnosis of pelvic ring injury. Of them, 29 (17 males and 12 females) had operative fixation of unstable pelvic injuries...
April 13, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28316921/comparison-of-2%C3%A2-mm-single-locking-miniplates-versus-2%C3%A2-mm-two-non-locking-miniplates-in-symphysis-and-parasymphysis-fracture-of-mandible
#16
Arpit Vashistha, Manpreet Singh, Manoj Chaudhary, Nimish Agarwal, Gagandeep Kaur
INTRODUCTION: The purpose of this study is to compare the efficacy of single 2 mm locking miniplates versus two 2 mm non-locking (conventional) miniplates in symphysis and parasymphysis fracture of mandible. METHOD: This present study included 40 patients of maxillofacial trauma having mandibular symphysis/parasymphysis fractures in which open reduction and internal fixation is indicated. Patients were selected according to the inclusion criteria and divided into two groups, i...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28306517/biomechanical-analysis-of-stiffness-and-fracture-displacement-after-using-pmma-augmented-sacroiliac-screw-fixation-for-sacrum-fractures
#17
Andreas Höch, Richard Schimpf, Niels Hammer, Stefan Schleifenbaum, Michael Werner, Christoph Josten, Jörg Böhme
Cement augmentation of pedicle screws is the gold standard for the stabilization of osteoporotic fractures of the spine. In-screw cement augmentation, in which cement is injected through the cannula, is another option for fracture stabilization of fragility fractures of the sacrum. However, biomechanical superiority of this technique compared to conventional sacroiliac screw fixation has not been tested. The present study compares the stability of cement-augmented and non-cement-augmented sacroiliac screw fixation in osteoporotic sacrum fractures under cyclic loading...
August 28, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28286395/single-miniplate-fixation-for-mandibular-symphysis-and-parasymphysis-fracture-as-a-viable-alternative-to-conventional-plating-based-on-champy-s-principles-a-prospective-comparative-clinical-study
#18
Rohan Raut, R Keerthi, N Vaibhav, Abhishek Ghosh, Shashidhara Kamath Kateel
To compare long term and short term outcomes of fixing mandibular symphysis and parasymphysis fractures with single mini plate and conventional fixation using two mini plates. STUDY DESIGN: in this prospective clinical comparative study, 30 patients with fracture in study region were randomly divided into two groups. Group A patients received single 2.5 mm titanium miniplate and Group B patients received two 2 mm titanium miniplates as per Champy's lines of osteosynthesis. Patients were followed up at intervals of 1, 12 and 24 weeks...
March 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28270223/biomechanical-characteristics-of-fixation-methods-for-floating-pubic-symphysis
#19
COMPARATIVE STUDY
Wenhao Song, Dongsheng Zhou, Yu He
BACKGROUND: Floating pubic symphysis (FPS) is a relatively rare injury caused by high-energy mechanisms. There are several fixation methods used to treat FPS, including external fixation, subcutaneous fixation, internal fixation, and percutaneous cannulated screw fixation. To choose the appropriate fixation, it is necessary to study the biomechanical performance of these different methods. The goal of this study was to compare the biomechanical characteristics of six methods by finite element analysis...
March 7, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28270058/internal-fixation-of-s1-s3-iliosacral-screws-and-pubic-screw-as-the-best-configuration-for-unstable-pelvic-fracture-with-unilateral-vertical-sacral-fracture-ao-type-c1-3
#20
Ismail Hadisoebroto Dilogo, Oryza Satria, Jessica Fiolin
BACKGROUND: Although internal fixation is the definitive treatment in unstable pelvic fractures with disruption of the anterior arch and a vertical fracture of the sacrum (AO type C1.3), there have been no agreement of the best technique of internal fixation yet. We aimed to derive comparable objective data on stiffness and load to failure in this type of fracture fixations. METHODS: Synbone was modified into AO type C1.3 fracture model, while treatments were divided into six internal fixation treatment groups using tension band plate (TBP), symphysis pubis plate (SP) with iliosacral screw at S1 and S2 (IS S1-S2), pubic screw (PS) with iliosacral TBP, PS and IS S1-S2, SP and IS S1-S3, PS and S1-S3 and finally PS and IS S1-S3...
January 2017: Journal of Orthopaedic Surgery
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