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Odontoid fracture

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https://www.readbyqxmd.com/read/28922277/percutaneous-posterior-trans-articular-atlantoaxial-fixation-for-the-treatment-of-odontoid-fractures-in-the-elderly-a-prospective-study
#1
Mohamed Alhashash, Mootaz Shousha, Hany Gendy, Ahmed Samir Barakat, Heinrich Boehm
STUDY DESIGN: A prospective study of 20 multimorbid patients older than 65 years undergoing minimally invasive surgical treatment for odontoid fracture. OBJECTIVES: To analyze the results of percutaneous transarticular atlantoaxial screw fixation as a new minimally invasive treatment modality in this high risk group of patients. SUMMARY OF BACKGROUND DATA: Odontoid fractures are a common injury pattern in the elderly. These fractures typically present significant challenges as geriatric patients often have multiple comorbidities that may adversely affect fracture management...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28902102/post-traumatic-spinal-hygroma-causing-cord-compression-in-type-iii-odontoid-fracture-with-vertical-atlantoaxial-instability
#2
Salvatore Russo, Antonio Belli, Andy Eynon, Ali Nader-Sepahi
STUDY DESIGN: Case report. OBJECTIVE: To report the first case in the literature of a traumatic cervical spine subdural cerebrospinal fluid (CSF) collection (hygroma) under tension causing cord compression. We suggest etiopathogenesis and modality of treatment. SUMMARY OF BACKGROUND DATA: Hygromas are subdural cranial CSF collection. A literature review showed no previous published case of post-traumatic spinal hygroma. This was a potential life-threatening sequelae of a high cervical injury that warranted early diagnosis and emergency treatment...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28881111/biomechanical-comparison-of-inter-fragmentary-compression-pressures-lag-screw-versus-herbert-screw-for-anterior-odontoid-screw-fixation
#3
Jin-Woo Park, Kyoung-Tae Kim, Joo-Kyung Sung, Seong-Hyun Park, Ki-Woong Seong, Dae-Chul Cho
OBJECTIVE: The purpose of the present study was to compare inter-fragmentary compression pressures after fixation of a simulated type II odontoid fracture with the headless compression Herbert screw and a half threaded cannulated lag screw. METHODS: We compared inter-fragmentary compression pressures between 40- and 45-mm long 4.5-mm Herbert screws (n=8 and n=9, respectively) and 40- and 45-mm long 4.0-mm cannulated lag screws (n=7 and n=10, respectively) after insertion into rigid polyurethane foam test blocks (Sawbones, Vashon, WA, USA)...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28864483/cadaveric-study-of-movement-in-the-unstable-upper-cervical-spine-during-emergency-management-tracheal-intubation-and-cervical-spine-immobilisation-a-study-protocol-for-a-prospective-randomised-crossover-trial
#4
Shiyao Liao, Erik Popp, Petra Hüttlin, Frank Weilbacher, Matthias Münzberg, Niko Schneider, Michael Kreinest
INTRODUCTION: Emergency management of upper cervical spine injuries often requires cervical spine immobilisation and some critical patients also require airway management. The movement of cervical spine created by tracheal intubation and cervical spine immobilisation can potentially exacerbate cervical spinal cord injury. However, the evidence that previous studies have provided remains unclear, due to lack of a direct measurement technique for dural sac's space during dynamic processes...
September 1, 2017: BMJ Open
https://www.readbyqxmd.com/read/28826707/modified-posterior-c1-lateral-mass-screw-insertion-for-type-ii-odontoid-process-fractures-using-intraoperative-ct-based-spinal-navigation-to-minimize-postoperative-occipital-neuralgia
#5
Basem Ishak, Till Schneider, R Shane Tubbs, Valerie Gimmy, Alexander Younsi, Andreas W Unterberg, Karl L Kiening
No abstract text is available yet for this article.
August 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28820364/patterns-of-c-2-fracture-in-the-elderly-comparison-of-etiology-treatment-and-mortality-among-specific-fracture-types
#6
Ingrid Radovanovic, Jennifer C Urquhart, Parham Rasoulinejad, Kevin R Gurr, Fawaz Siddiqi, Christopher S Bailey
OBJECTIVE Previous studies have focused on Type II odontoid fractures and have failed to report on the effect of other C-2 fracture types on treatment and outcome. The purpose of this study was to compare patient characteristics, cause of injury, predisposing factors to fracture, treatments, and mortality rates among C-2 fracture types in a cohort of elderly patients 70 years of age and older. METHODS A retrospective cohort study design was used. Patients who sustained a C-2 fracture between 2002 and 2011 and who were admitted to the authors' Level 1 trauma center were identified using the Discharge Abstract Database and the International Statistical Classification of Diseases and Related Health Problems (ICD-10) code S12...
August 18, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28816879/atlas-fractures-and-atlas-osteosynthesis-a-comprehensive-narrative-review
#7
Frank Kandziora, Jens R Chapman, Alexander R Vaccaro, Gregory D Schroeder, Matti Scholz
Most atlas fractures are the result of compression forces. They are often combined with fractures of the axis and especially with the odontoid process. Multiple classification systems for atlas fractures have been described. For an adequate diagnosis, a computed tomography is mandatory. To distinguish between stable and unstable atlas injury, it is necessary to evaluate the integrity of the transverse atlantal ligament (TAL) by magnetic resonance imaging and to classify the TAL lesion. Studies comparing conservative and operative management of unstable atlas fractures are unfortunately not available in the literature; neither are studies comparing different operative treatment strategies...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28816875/controversies-in-the-management-of-geriatric-odontoid-fractures
#8
Scott C Wagner, Gregory D Schroeder, Christopher K Kepler, Alexander J Schupper, Frank Kandziora, Emiliano N Vialle, Cumhur Oner, Michael G Fehlings, Alexander R Vaccaro
Fractures of the odontoid process of C2 have become increasingly prevalent in the aging population and are typically associated with a high incidence of morbidity. Dens fractures comprise the majority of all cervical fractures in patients older than 80 years and remain the most common cervical fracture pattern in all geriatric patients. Type II odontoid fractures have been associated with limited healing potential, and both nonoperative and operative management are associated with high mortality rates. Historically, there has been some debate in the literature with regards to optimal management strategies to maximize outcomes in geriatric patients...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28816869/spine-trauma-what-are-the-current-controversies
#9
Cumhur Oner, Shanmuganathan Rajasekaran, Jens R Chapman, Michael G Fehlings, Alexander R Vaccaro, Gregory D Schroeder, Said Sadiqi, James Harrop
Although less common than other musculoskeletal injuries, spinal trauma may lead to significantly more disability and costs. During the last 2 decades there was substantial improvement in our understanding of the basic patterns of spinal fractures leading to more reliable classification and injury severity assessment systems but also rapid developments in surgical techniques. Despite these advancements, there remain unresolved issues concerning the management of these injuries. At this moment there is persistent controversy within the spinal trauma community, which can be grouped under 6 headings...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28789999/trends-in-the-surgical-management-of-odontoid-fractures-in-patients-above-75-years-of-age-retrospective-study-of-70-cases
#10
A Faure, T Graillon, S Pesenti, P Tropiano, B Blondel, S Fuentes
BACKGROUND: Odontoid fractures are the most common upper cervical spine fracture in adults over 70 years of age. Hence, treatment of these fractures has public health implications. OBJECTIVES: Evaluate the early complications, bone healing and mortality in patients above 75 years of age who undergo surgical treatment of an odontoid fracture. Compare the results between patients operated with the Harms technique or anterior screw fixation. METHODS: This was a retrospective study of 70 patients with an odontoid fracture who were treated surgically between 2000 and 2015 at the Hôpital de la Timone in France...
August 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28760039/neuronavigation-and-3d-fluoroscopy-guided-lag-screw-reduction-and-osteosynthesis-for-traumatic-spondylolistheses-of-the-axis-a-path-worth-exploring
#11
Jan-Philip Zeden, Jan-Uwe Müller, Ehab Ahmed Mohamed El Refaee, Henry W S Schroeder, Dirk T Pillich
OBJECTIVE In traumatic spondylolistheses of the axis, there is a marked heterogeneity of the observed injury patterns, with a wide range of the severity-from stable fractures, which can be treated conservatively with very good success, to highly unstable fractures, which should be treated surgically. A number of classification systems have been devised to assess the instability of the injuries and to derive a corresponding therapy recommendation. In particular, the results and recommendations regarding medium-severity cases are still inconclusive...
August 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28758179/clinical-outcomes-of-posterior-c1-and-c2-screw-rod-fixation-for-atlantoaxial-instability
#12
Hasan Serdar Işik, Evren Sandal, Sedat Çağli
AIM: In this study, we aimed at sharing our experiences and contributing to the literature by making a retrospective analysis of the patients we operated with screw-rod system for atlantoaxial instability in our clinic. MATERIAL AND METHODS: Archive files of adult patients, who were operated for posterior C1-C2 stabilization with screw and rod in our clinic between January 2006 and January 2016, were analyzed. 28 patients, who had pre and post-operative images, follow-up forms and who were followed for at least one year, were analyzed...
June 14, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28739203/-odontoid-fracture-in-an-elderly-patient-a-case-report
#13
Amaia Arrieta Salinas, Vincenzo Malafarina, Luis Miranda Orella, Nicolás Martínez Velilla
No abstract text is available yet for this article.
July 21, 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/28736355/c2-bone-erosion-secondary-to-iatrogenic-pseudomeningocele-a-case-report-and-description-of-a-novel-surgical-technique
#14
Stephan N Salzmann, Lukas P Lampe, Brian Fernholz, Roger Härtl, Athos Patsalides, Alexander P Hughes
BACKGROUND: Pseudomeningoceles are a rare cause of bone erosions. Development of such erosions in the C2 vertebral body and the odontoid process can lead to life-threatening instability. Treatment options to regain stability include atlantoaxial and occipitocervical fusion. For patients with a history of Chiari decompression and large C2 lesions, common fusion techniques are not always feasible. Additionally fusion surgery sacrifices physiologic motion and is therefore a disabling procedure, especially for young and active patients...
July 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28720985/conservative-management-of-odontoid-peg-fractures-long-term-follow-up
#15
REVIEW
Aheed Osman, Nabil A Alageli, D J Short, W S El Masri
OBJECTIVE: The aim of the study was to look at the long-term effects of conservative management of odontoid peg fractures. METHODS: We reviewed 48 consecutive patients with type II (32) and 16 type III, odontoid peg fractures. The clinical & radiological outcomes were assessed over an average period of follow up of 8 years. Union rate was determined and we discussed several factors that may affect it. Patients were treated conservatively with an average period of bed rest of 4 weeks followed by bracing for an average of 9 weeks...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28704908/clinical-results-of-odontoid-fractures-according-to-a-modified-treatment-oriented-classification
#16
Eui-Jin Cho, Se-Hoon Kim, Won-Hyung Kim, Sung-Won Jin, Seung-Hwan Lee, Bum-Joon Kim, Sung-Gon Ha, Sang-Dae Kim, Dong-Jun Lim
OBJECTIVE: Odontoid fracture is common in cervical injury, representing about 20% of total cervical fractures. Classic odontoid fracture classification focused on anatomy of fracture site has no treatment recommendation and a modified treatment-oriented classification of odontoid fracture was suggested in 2005. We reviewed our odontoid fracture patients to assess the feasibility and efficacy of Grauer's classification. METHODS: Between October 2000 and September 2015, we collected data from patients who came to our institute for odontoid fracture...
June 2017: Korean Journal of Spine
https://www.readbyqxmd.com/read/28694601/spastic-quadriparesis-due-to-pathological-fracture-of-odontoid-secondary-to-carcinoma-prostate-a-rare-presentation
#17
Maneet Gill, M N Swamy, Vikas Maheshwari, T S Lingaraju, Aishik Mukherjee
Prostate carcinoma presenting as symptomatic metastases to atlantoaxial spine is extremely rare. Spastic quadriparesis due to pathological fracture of odontoid as the only initial manifestation without symptoms of primary malignancy is rarer still. We report a 64-year-old male who presented with progressive spastic quadriparesis along with urinary retention of 3 weeks duration. Computed tomography and magnetic resonance imaging cervical spine and craniovertebral junction showed type III pathological fracture of odontoid with anterior translation of C1 with spinal cord compression...
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28693540/gallie-technique-versus-atlantoaxial-screw-rod-constructs-in-the-treatment-of-atlantoaxial-sagittal-instability-a-retrospective-study-of-49-patients
#18
Bo Yuan, Shengyuan Zhou, Xiongsheng Chen, Zhiwei Wang, Weicong Liu, Lianshun Jia
BACKGROUND: The objectives of this study are to investigate the clinical curative effect of Gallie technique and atlantoaxial screw-rod constructs (SRC) on atlantoaxial sagittal instability and determine the indication of Gallie technique. METHODS: Data of 49 patients with atlantoaxial sagittal instability from February 2008 to May 2015 were analyzed retrospectively. The visual analog scale (VAS) score and the neck disability index (NDI) were used to evaluate the curative effect...
July 11, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28683497/-influence-of-osseous-and-ligamentous-injuries-on-the-stability-of-the-atlantoaxial-complex
#19
Carolin Meyer, Jan Bredow, Elisa Heising, Peer Eysel, Lars Müller, Gregor Stein
Background The odontoid process and the transverse ligament are the most important structures stabilising the atlantoaxial complex. It has not been fully elucidated how injuries of these structures contribute towards instability and a potential narrowing of the spinal canal. Therefore, our investigation aimed to perform a biomechanical analysis of spinal width and dislocation of the odontoid process depending on injuries of the aforementioned structures. Methods In 10 fresh human cadaveric specimens, physiologic flexion and extension were simulated under fluoroscopy in intact specimens and after application of an odontoid process fracture and transverse ligament rupture in a crossover design...
June 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28673824/incorporating-ligament-laxity-in-a-finite-element-model-for-the-upper-cervical-spine
#20
Timothy L Lasswell, Duane S Cronin, John B Medley, Parham Rasoulinejad
BACKGROUND CONTEXT: Predicting physiological range of motion (ROM) using a finite element (FE) model of the upper cervical spine requires the incorporation of ligament laxity. The effect of ligament laxity can only be observed on a macro level of joint motion and is lost once ligaments have been dissected and preconditioned for experimental testing. As a result, although ligament laxity values are recognized to exist, specific values are not directly available in the literature for use in FE models...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
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