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C1-2 injuries

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https://www.readbyqxmd.com/read/27909135/new-radiological-parameters-for-the-assessment-of-atlantoaxial-instability-in-children-with-down-syndrome-the-normal-values-and-the-risk-of-spinal-cord-injury
#1
N Nakamura, Y Inaba, Y Aota, M Oba, J Machida, N Aida, K Kurosawa, T Saito
AIMS: To determine the normal values and usefulness of the C1/4 space available for spinal cord (SAC) ratio and C1 inclination angle, which are new radiological parameters for assessing atlantoaxial instability in children with Down syndrome. PATIENTS AND METHODS: We recruited 272 children with Down syndrome (including 14 who underwent surgical treatment), and 141 children in the control group. All were aged between two and 11 years. The C1/4 SAC ratio, C1 inclination angle, atlas-dens interval (ADI), and SAC were measured in those with Down syndrome, and the C1/4 SAC ratio and C1 inclination angle were measured in the control group...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27865687/scoring-system-to-predict-hemorrhage-in-pelvic-ring-fracture
#2
T Ohmori, T Matsumoto, T Kitamura, R Tamura, K Tada, T Inoue, T Hayashi, K Numoto, T Tokioka
BACKGROUND: Risk factors for hemorrhage in patients with pelvic ring fracture have been widely reported. Because there are many risk factors, it is thought that prediction accuracy of hemorrhage in cases of pelvic ring fracture could be improved by using a scoring system. HYPOTHESIS: We investigated the risk factors for massive hemorrhage (MH) and created a novel predictive score of MH in pelvic ring fractures. MATERIAL AND METHODS: We retrospectively reviewed patients with pelvic ring fractures (Abbreviated Injury Score≥3 and age≥16 years) from January 2007 to June 2015...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27863890/normal-values-of-cervical-vertebral-measurements-according-to-age-and-sex-in-ct
#3
Serhad Omercikoglu, Erhan Altunbas, Haldun Akoglu, Ozge Onur, Arzu Denizbasi
INTRODUCTION: Atlantodental interval (ADI), basion-dental interval (BDI) and the thickness of prevertebral soft tissue (TOPST) measured in lateral cervical radiographs were reported to be useful indicators and indirect signs of underlying cervical spine injuries. However, cervical computed tomography (MDCT) is the first method of imaging used in all trauma patients and upper normal limits (UNLs) of cervical distances according to age and sex are undetermined. Therefore, we aimed to calculate these metrics...
November 9, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27847133/c1-lateral-mass-screw-insertion-caudally-from-c2-nerve-root-an-alternate-method-for-insertion-of-c1-screws-a-technical-note-and-preliminary-clinical-results
#4
Keiji Wada, Ryo Tamaki, Mitsuru Yui, Daisuke Numaguchi, Yasuaki Murata
BACKGROUND: C1 lateral mass screw was widely used for fixation of the upper cervical spine. However, massive bleeding from the C1-2 venous plexus is sometimes encountered. In this study, we proposed an alternate method for C1 lateral mass screw insertion, which involves insertion of the screws caudally from the C2 nerve root to reduce bleeding from C1-2 venous plexus. METHODS: Seven patients with atlantoaxial lesions were included in this study. The mean age at surgery was 65...
November 12, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27787377/traumatic-upper-cervical-spinal-fractures-in-teaching-hospitals-of-china-over-13-years-a-retrospective-observational-study
#5
Hongwei Wang, Lan Ou, Yue Zhou, Changqing Li, Jun Liu, Yu Chen, Hailong Yu, Qi Wang, Yiwen Zhao, Jianda Han, Liangbi Xiang
To investigate the incidence and pattern of patients managed for traumatic upper cervical spinal fractures (TUCSFs) in teaching hospitals in China over 13 years.We retrospectively reviewed 351 patients with TUCSF admitted to our teaching hospitals. Incidence rates were calculated with respect to age, gender, etiologies of trauma, anatomical distribution, anatomical classification, American spinal injury association impairment scale (ASIA) classification of neurological deficit and associated injuries.There were 260 male and 91 female patients, with a mean age of 44...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27787362/a-novel-method-of-c1-c2-transarticular-screw-insertion-for-symptomatic-atlantoaxial-instability-using-a-customized-guiding-block-a-case-report-and-a-technical-note
#6
Kuo-Yuan Huang, Ruey-Mo Lin, Jing-Jing Fang
Atlantoaxial instability treated with the C1-2 transarticular screw fixation is biomechanically more stable; however, the technique demanding and the potential risk of neurovascular injury create difficulties for clinical usage, and there is still lack of clinical experience till now.We reported an adult female patient with symptomatic atlantoaxial instability due to rheumatoid arthritis that was successfully treated with a bilateral C1-C2 transarticular screw fixation using a customized guiding block. We preoperatively determined the trajectories for bilateral C1-C2 transarticular screws on a 3-dimensional reconstruction model from the computed tomography (CT) and self-developed computer software, and designed a rapid prototyping customized guiding block in order to offer a guide for the entry point and insertion angle of the C1-C2 transarticular screws...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27771789/comparison-of-outcomes-after-atlantoaxial-fusion-with-c1-lateral-mass-c2-pedicle-screws-and-c1-c2-transarticular-screws
#7
Panupol Rajinda, Sirisomboon Towiwat, Piyawat Chirappapha
PURPOSE: To compare the clinical and radiological outcomes of posterior atlantoaxial fixation and fusion using C1 lateral mass-C2 pedicle screws (screw-rod constructs, SRC) with C1-C2 transarticular screws (TAS). METHODS: A retrospective review was conducted of 105 patients with atlantoaxial instability who underwent posterior C1-C2 fixation and fusion by SRC group (60 pt) and TAS group (45 pt). The follow-up period was minimum 2 years. Clinical outcomes measurements included the Numeric Rating Scale (NRS) for pain assessment, the Neck Disability Index (NDI), the Japanese Orthopedic Association (JOA) score and the American Spinal Injury Association (ASIA) impairment scale for the functional and neurological outcomes that were assessed...
October 22, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27770335/health-care-costs-of-conservative-management-of-spine-fractures-in-trauma-patients
#8
Efe Levent Aras, Cody Bunger, Ebbe Stender Hansen, Rikke Søgaard
BACKGROUND AND PURPOSE: There is a lack of evidence on the broad health-care costs of treating spine trauma patients without neurological deficits conservatively. The aim of the present study was to estimate the primary and secondary health-care sector costs associated with conservative treatment of spine fractures as well as their determinants. METHODS: Patients were identified between 1999 and 2008 in the hospital's administrative system based on relevant diagnostic codes...
October 21, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27707848/functional-outcomes-after-operative-management-of-extra-articular-glenoid-neck-and-scapular-body-fractures
#9
Lisa K Schroder, Erich M Gauger, Jeffrey A Gilbertson, Peter A Cole
BACKGROUND: This study's purpose was to assess patient-based functional outcomes following open reduction and internal fixation (ORIF) of displaced scapular body and glenoid neck fractures. This series represents a 9-year experience at a level-I trauma center and referral destination for this injury. METHODS: A database was established to record surgical and functional outcomes of scapular fractures treated with ORIF. For this report, the cases of all patients who had a glenoid neck or scapular body fracture (AO/OTA 14-A3 or 14-C1) without intra-articular involvement were reviewed...
October 5, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27698713/c1-inhibitor-mediated-myocardial-protection-from-chronic-intermittent-hypoxia-induced-injury
#10
Jinrong Fu, Furong Guo, Cheng Chen, Xiaoman Yu, Ke Hu, Mingjiang Li
The optimal treatment for chronic intermittent hypoxia (CIH)-induced cardiovascular injuries has yet to be determined. The aim of the current study was to explore the potential protective effect and mechanism of a C1 inhibitor in CIH in the myocardium. The present study used a rat model of CIH in which complement regulatory protein, known as C1 inhibitor (C1INH), was administered to the rats in the intervention groups. Cardiomyocyte apoptosis was detected by terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling...
October 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27683129/nebulized-c1-esterase-inhibitor-does-not-reduce-pulmonary-complement-activation-in-rats-with-severe-streptococcus-pneumoniae-pneumonia
#11
Friso de Beer, Wim Lagrand, Gerie J Glas, Charlotte J P Beurskens, Gerard van Mierlo, Diana Wouters, Sacha Zeerleder, Joris J T H Roelofs, Nicole P Juffermans, Janneke Horn, Marcus J Schultz
Complement activation plays an important role in the pathogenesis of pneumonia. We hypothesized that inhibition of the complement system in the lungs by repeated treatment with nebulized plasma-derived human C1-esterase inhibitor reduces pulmonary complement activation and subsequently attenuates lung injury and lung inflammation. This was investigated in a rat model of severe Streptococcus pneumoniae pneumonia. Rats were intra-tracheally challenged with S. pneumoniae to induce pneumonia. Nebulized C1-esterase inhibitor or saline (control animals) was repeatedly administered to rats, 30 min before induction of pneumonia and every 6 h thereafter...
December 2016: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/27670806/retrospective-assessment-of-the-validity-and-use-of-the-community-balance-and-mobility-scale-among-individuals-with-subacute-spinal-cord-injury
#12
K Chan, K Guy, G Shah, J Golla, H M Flett, J Williams, K E Musselman
STUDY DESIGN: This is a retrospective chart review. OBJECTIVES: The objective of this study was to evaluate the convergent validity, internal consistency and use of the Community Balance & Mobility Scale (CB&M) in individuals with incomplete spinal cord injury (iSCI) during inpatient rehabilitation. SETTING: This study was conducted in an SCI rehabilitation center in Canada. METHODS: Inpatient charts from January 2009 to October 2015 were screened...
September 27, 2016: Spinal Cord
https://www.readbyqxmd.com/read/27647215/secondary-health-conditions-activity-limitations-and-life-satisfaction-in-older-adults-with-long-term-spinal-cord-injury
#13
Sophie Jörgensen, Susanne Iwarsson, Jan Lexell
BACKGROUND: Many individuals with a spinal cord injury (SCI) have lived several decades with their injury, leading to a need for a deeper understanding of factors associated with healthy aging in people with long-term SCI. OBJECTIVES: To (1) describe secondary health conditions, activity limitations, and life satisfaction in older adults with long-term SCI, and to (2) investigate how sociodemographics, injury characteristics, and secondary health conditions are associated with their activity limitations and life satisfaction...
September 17, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27630481/chronic-neglected-irreducible-atlantoaxial-rotatory-subluxation-in-adolescence
#14
Pravin Padalkar
UNLABELLED: Atlantoaxial rotatory fixation (AARF) is a rare condition and delayed diagnosis. We report a case of chronic neglected atlantoaxial rotatory subluxation in adolescence child that was treated by serial skull traction followed by posterior fusing by method pioneered by Goel et al. A 15-year-old male presented with signs of high cervical myelopathy 2 years after trauma to neck childhood. There was upper cervical kyphosis, direct tenderness over C2 spinous process, atrophy of both hand muscles with weakness in grip strength...
July 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27623783/vertebral-artery-and-osseous-anomalies-characteristic-at-the-craniocervical-junction-diagnosed-by-ct-and-3d-ct-angiography-in-normal-czech-population-analysis-of-511-consecutive-patients
#15
P Vaněk, Ondřej Bradáč, P de Lacy, R Konopková, J Lacman, V Beneš
There are numerous indications for stabilization using instrumentation of the upper cervical spine. This area is comprised of sophisticated anatomy. There is no study describing bony and vascular anomalies of this area in the middle European population. The main aim of this study was to investigate prevalence of any vertebral artery (VA) variations and osseous anomalies in the region of the craniocervical junction in a large sample of Czech patients based on three-dimensional computed tomographic angiography (3D CTA)...
September 13, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/27618782/neurological-outcomes-following-iatrogenic-vascular-injury-during-posterior-atlanto-axial-instrumentation
#16
Oluwaseun O Akinduro, Griffin R Baum, Brian M Howard, Gustavo Pradilla, Jonathan A Grossberg, Gerald E Rodts, Faiz U Ahmad
BACKGROUND: Iatrogenic vascular injury is a feared complication of posterior atlanto-axial instrumentation. A better understanding of clinical outcome and management options following this injury will allow surgeons to better care for these patients. The object of the study was to systematically review the neurologic outcomes after iatrogenic vascular injury during atlanto-axial posterior instrumentation. METHODS: We performed a systematic review of the Medline database following PRISMA guidelines...
November 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27612314/-effects-of-a-pelvic-ring-injury-on-earning-capacity
#17
A Schäffler, B König, B Feinauer, T Freude, U Stöckle, F Stuby
Introduction: Pelvic ring injuries occur in 3-8 % of patients with fractures. They are rare, with an annual incidence of only 19-37 per 100,000 people annually. There have been publications on the generation of these injuries, as well as their diagnosis and treatment concepts, but there is little information on how these injuries impact the ability to work. Patients: The study covered all hospitalised patients between January 2003 and December 2011 with a pelvic ring injury, who had already been included in the data collection of the AG Becken III and who had had a work-related accident...
September 9, 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27534083/-midterm-follow-up-results-on-asian-femoral-intramedullary-nail-for-the-treatment-of-segmental-and-comminuted-femoral-fractures
#18
Lang Li, Feng Gao, Qi Huang, Qiang Li, Lin Xie, Bin Zhang
OBJECTIVE: To investigate midterm follow-up results on Asian femoral intramedullary nail in treating segmental and comminuted femoral fractures. METHODS: Between June 2011 and October 2012,16 patients with segmental and comminuted femoral fractures were treated with minimally invasive reset and Asian femoral intramedullary nail under extension table. Among them, there were 10 males and 6 females aged from 21 to 49 years old with an average of 34.5 years old; the time from injury to operation ranged from 3 to 24 d with an average of 9...
June 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/27357228/c1-fractures-a-review-of-diagnoses-management-options-and-outcomes
#19
REVIEW
Loren B Mead, Paul W Millhouse, Jonathan Krystal, Alexander R Vaccaro
The atlas is subject to fracture under axial load, often due to traumatic injuries such as shallow dives and automobile accidents. These fractures account for 2-13 % of injuries to the cervical spine [Marcon RM et al. Clinics (Sao Paulo) 68(11):1455-61, 2013]. Fractures of the C1 vertebra are often difficult to diagnose, as there is often no neurological deficit or easily identifiable findings on radiographs. However, injuries to the atlas can be associated with vertebral artery injury and atlantoaxial or atlanto-occipital instability, making prompt and accurate diagnosis imperative...
September 2016: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/27354301/treating-patella-fractures-with-a-fixed-angle-patella-plate-a-prospective-observational-study
#20
Michael Wild, Kai Fischer, Florian Hilsenbeck, Mohssen Hakimi, Marcel Betsch
INTRODUCTION: Anterior tension wiring using Kirschner wires (K-wires) is still considered the standard treatment for patella fractures, despite its high complication rate. The objective of this prospective clinical study was to evaluate intra- and perioperative complications as well as the clinical outcome of patients with patella fracture treated with a new developed bilateral, polyaxial, fixed-angle 2.7mm patella plate. PATIENTS AND METHODS: Between 2011 and 2014 all patients with a patella fracture were included in this prospective study and treated with a fixed-angle patella plate...
August 2016: Injury
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