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Thoracolumbar fractures

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https://www.readbyqxmd.com/read/28324212/anterior-monosegmental-stabilization-and-fusion-of-an-incomplete-cranial-burst-fracture-in-the-thoracolumbar-spine-via-a-mini-open-thoracoscopically-assisted-transthoracic-approach
#1
Andreas Pingel, Jens Castein, Frank Kandziora
No abstract text is available yet for this article.
March 21, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28323718/posterior-distraction-and-instrumentation-cannot-always-reduce-displaced-and-rotated-posterosuperior-fracture-fragments-in-thoracolumbar-burst-fracture
#2
Xiao-Bin Wang, Guo-Hua Lü, Jing Li, Bing Wang, Chang Lu, Kevin Phan
STUDY DESIGN: A retrospective clinical study. OBJECTIVE: To determine the imaging features that can be used to predict failure of reduction of a retropulsed fracture fragment by posterior ligamentotaxis in thoracolumbar burst fractures. SUMMARY OF BACKGROUND DATA: Posterior instrumentation and distraction with ligamentotaxis has been successfully used to shift retropulsed fragments anteriorly in thoracolumbar burst fractures. However, posterior longitudinal ligament rupture can lead to treatment failure...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323710/does-sagittal-spinopelvic-configuration-influence-vertebral-fracture-type-or-localization-in-trauma-patients-a-retrospective-radiologic-analysis
#3
Samy Bouaicha, Marc Cunier, Max J Scheyerer, Guido A Wanner, Hans-Peter Simmen, Clément M L Werner
STUDY DESIGN: Retrospective data analysis. OBJECTIVE: The aim of this study was to analyze correlations between spinopelvic configuration and fracture pattern or location in traumatic vertebral fractures. SUMMARY OF BACKGROUND DATA: The spinopelvic configuration represented by the pelvic incidence (PI) angle showed to have a strong correlation with the occurrence of degenerative diseases of the thoracolumbar spine. No data are available on whether there is an influence of the PI angle on traumatic vertebral lesions as well...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323706/comparison-of-open-versus-percutaneous-pedicle-screw-fixation-using-the-sextant-system-in-the-treatment-of-traumatic-thoracolumbar-fractures
#4
Hongwei Wang, Yue Zhou, Changqing Li, Jun Liu, Liangbi Xiang
STUDY DESIGN: We retrospectively reviewed 100 patients who were posterior stabilized without graft fusion. Using the Sextant system, 22 patients underwent minimally invasive short-segment 4-pedicle screw fixation (MIF4) and 39 patients underwent minimally invasive short-segment combined with intermediate screws fixation, that is, 6-pedicle screw fixation (MIF6). The conventional open posterior short-segment 4-pedicle screw fixation (OPF4) technique was used in 39 patients. OBJECTIVE: To evaluate the feasibility, safety, and efficacy of percutaneous pedicle screw fixation using the Sextant system in the treatment of traumatic thoracolumbar fractures compared with the conventional open posterior short-segment pedicle screw fixation technique...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28306642/damage-identification-on-vertebral-bodies-during-compressive-loading-using-digital-image-correlation
#5
Hannah M Gustafson, Angela D Melnyk, Gunter P Siegmund, Peter A Cripton
STUDY DESIGN: Ex vivo compression experiments on isolated cadaveric vertebrae OBJECTIVE.: To qualitatively compare the fracture locations identified in video analysis with the locations of high compressive strain measured with DIC on vertebral bodies and to evaluate the timing of local damage to the cortical shell relative to the global yield force SUMMARY OF BACKGROUND DATA.: In previous ex vivo experiments, cortical bone fracture has been identified using various methods including acoustic emission sensors, strain gages, video analysis, or force signals...
March 16, 2017: Spine
https://www.readbyqxmd.com/read/28291409/association-between-bicortical-screw-fixation-at-upper-instrumented-vertebra-and-risk-for-upper-instrumented-vertebra-fracture
#6
Young-Seop Park, Seung-Jae Hyun, Ho Yong Choi, Ki-Jeong Kim, Tae-Ahn Jahng
OBJECTIVE The aim of this study was to investigate the risk of upper instrumented vertebra (UIV) fractures associated with UIV screw fixation (unicortical vs bicortical) and polymethylmethacrylate (PMMA) augmentation after adult spinal deformity surgery. METHODS A single-center, single-surgeon consecutive series of adult patients who underwent lumbar fusion for ≥ 4 levels (that is, the lower instrumented vertebra at the sacrum or pelvis and the UIV of the thoracolumbar spine [T9-L2]) were retrospectively reviewed...
March 3, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28264237/risk-factors-of-proximal-junctional-kyphosis-after-multilevel-fusion-surgery-more-than-2-years-follow-up-data
#7
Do Keun Kim, Ji Yong Kim, Do Yeon Kim, Seung Chul Rhim, Seung Hwan Yoon
OBJECTIVE: Proximal junctional kyphosis (PJK) is radiologic finding, and is defined as kyphosis of >10° at the proximal end of a construct. The aim of this study is to identify factors associated with PJK after segmental spinal instrumented fusion in adults with spinal deformity with a minimum follow-up of 2 years. METHODS: A total of 49 cases of adult spinal deformity treated by segmental spinal instrumented fusion at two university hospitals from 2004 to 2011 were enrolled in this study...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28251286/thoracolumbar-kyphosis-is-associated-with-compressive-vertebral-fracture-in-postmenopausal-women
#8
Y Wei, W Tian, G L Zhang, Y W Lv, G Y Cui
The main aim of this retrospective cross-sectional study was to examine the relationship between vertebral compression fracture and thoracolumbar Cobb angles. Fracture prevalence was found to be significantly higher for patients with moderate [odds ratio (OR) = 4.78 (2.88-7.95)] or severe kyphosis [OR = 10.7 (5.11-22.40)] than for patients with mild kyphosis. The relationship between degree of thoracolumbar kyphosis and vertebral compression fracture was analyzed. INTRODUCTION: The hypothesis that vertebral compression fracture in women is related to thoracolumbar kyphosis severity was tested, and a clinically important cutoff degree of sagittal thoracolumbar Cobb angle (TLCobb) was determined...
March 1, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28247080/comparison-of-pedicle-fixation-by-the-wiltse-approach-and-the-conventional-posterior-open-approach-for-thoracolumbar-fractures-using-mri-histological-and-electrophysiological-analyses-of-the-multifidus-muscle
#9
Liu Junhui, Pang Zhengbao, Xu Wenbin, Hao Lu, Li Shengyun, Fan Shunwu, Zhao Fengdong
PURPOSE: To use imaging, histology and electrophysiological assessment to compare the Wiltse approach to pedicle fixation with the conventional posterior open approach for thoracolumbar fractures. METHODS: We analyzed clinical and histopathological information of consecutive patients with thoracolumbar fractures who underwent short-segment pedicle fixation using either the Wiltse approach or the posterior open approach. Seventy-five patients were enrolled between June 2010 and August 2014 (Wiltse group 35 cases; posterior open group 40 cases)...
February 28, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28244135/spinal-loading-patterns-from-biomechanical-modeling-explain-the-high-incidence-of-vertebral-fractures-in-the-thoracolumbar-region
#10
Alexander G Bruno, Katelyn Burkhart, Brett Allaire, Dennis E Anderson, Mary L Bouxsein
Vertebral fractures occur most frequently in the mid-thoracic and thoracolumbar regions of the spine, yet the reasons for this site-specific occurrence are not known. Our working hypothesis is that the locations of vertebral fracture may be explained by the pattern of spine loading, such that during daily activities the mid-thoracic and thoracolumbar regions experience preferentially higher mechanical loading compared to other spine regions. To test this hypothesis, we used a female musculoskeletal model of the full thoracolumbar spine and rib cage to estimate the variation in vertebral compressive loads and associated factor-of-risk (load-to-strength ratio) throughout the spine for 119 activities of daily living, while also parametrically varying spine curvature (high, average, low, and zero thoracic kyphosis models)...
February 27, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28243383/short-segment-versus-long-segment-pedicle-screws-fixation-in-management-of-thoracolumbar-burst-fractures-meta-analysis
#11
REVIEW
Tarek Ahmed Aly
Posterior pedicle screw fixation has become a popular method for treating thoracolumbar burst fractures. However, it remains unclear whether additional fixation of more segments could improve clinical and radiological outcomes. This meta-analysis was performed to evaluate the effectiveness of fixation levels with pedicle screw fixation for thoracolumbar burst fractures. MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials, Springer, and Google Scholar were searched for relevant randomized and quasirandomized controlled trials that compared the clinical and radiological efficacy of short versus long segment for thoracolumbar burst fractures managed by posterior pedicle screw fixation...
February 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28230624/response-letter-to-minimally-invasive-posterior-decompression-combined-with-percutaneous-pedicle-screw-fixation-for-the-treatment-of-thoracolumbar-fractures-with-neurological-deficits
#12
https://www.readbyqxmd.com/read/28224297/fracture-reduction-by-postoperative-mobilisation-for-the-treatment-of-hyperextension-injuries-of-the-thoracolumbar-spine-in-patients-with-ankylosing-spinal-disorders
#13
Richard A Lindtner, Christian Kammerlander, Michael Goetzen, Alexander Keiler, Davud Malekzadeh, Dietmar Krappinger, Rene Schmid
INTRODUCTION: The aim of this study was to evaluate results of surgical stabilisation of hyperextension injuries of the thoracolumbar spine in patients with ankylosing spinal disorders using two different treatment strategies: the conventional open rigid posterior instrumentation and percutaneous less rigid posterior instrumentation. Surgical and non-surgical complications, the postoperative radiological course, and clinical outcome at final follow-up were comparatively assessed. Moreover, we sought to discuss important biomechanical and surgical aspects specific to posterior instrumentation of the ankylosed thoracolumbar spine as well as to elaborate on the advantages and limitations of the proposed new treatment strategy involving percutaneous less rigid stabilisation and fracture reduction by postoperative mobilisation...
February 21, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28216750/early-results-of-thoraco-lumbar-burst-fracture-treatment-using-selective-corpectomy-and-rectangular-cage-reconstruction
#14
Bowei Liang, Guofeng Huang, Luobing Ding, Liangqi Kang, Mo Sha, Zhenqi Ding
BACKGROUND: Subsidence and late fusion are commonly observed in anterior subtotal corpectomy and reconstruction for treating thoracolumbar burst fractures. The subsidence rate of this surgical method was reported from 19.6% to 75% in the literatures, which would cause treatment failure. Thus, an improvement of anterior surgery technique should be studied to reduce these complications. MATERIALS AND METHODS: 130 patients of thoracolumbar burst fractures treated by minimal corpectomy, decompression and U cage, between January 2009 and December 2010 were included in this study...
January 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28213865/location-of-vertebral-fractures-is-associated-with-bone-mineral-density-and-history-of-traumatic-injury
#15
Jennifer Watt, Richard Crilly
The upper and lower thoracolumbar spine have been associated with different biomechanical outcomes. This concept, as it applies to osteoporotic fracture risk, has not been well documented. This was a case-control study of 120 patients seen in an osteoporosis clinic. Vertebral fractures were identified from lateral radiographs using Genant's semi-quantitative assessment method. An association between bone mineral density (BMD) T-scores and vertebral fracture location was assessed. In an additional analysis, the association between a history of any traumatic injury and possible predictor variables was also explored...
February 17, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28178133/does-the-fracture-fragment-at-the-anterior-column-in-thoracolumbar-burst-fractures-get-enough-attention
#16
Luo Deqing, Lian Kejian, Li Teng, Zou Weitao, Lin Dasheng
Prospective cohort study. To evaluate whether failure of the fracture fragment at the anterior column reduction in thoracolumbar fracture has an influence on the final radiologic and clinical outcomes.Cervical teardrop fracture has caused wide concern in spinal surgery field. Although similar fracture fragment at the anterior column was also observed in thoracolumbar burst fractures, the conception of teardrop fracture in thoracolumbar fractures was rarely mentioned in the literature, let alone a study.Fifty patients who suffered from thoracolumbar burst fractures with a fracture fragment at the anterior column were prospectively analyzed...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28175449/330%C3%A2-outcome-of-percutaneous-versus-open-posterior-spinal-fixation-in-thoracolumbar-fractures
#17
Ahmed Mohamed Elsawaf
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28175437/177%C3%A2-largest-series-of-mild-moderate-motor-vehicle-accident-associated-thoracolumbar-compression-fractures-prognosis-and-outcome
#18
Hesham M Soliman, Ha Nguyen, Frank A Pintar, Narayan Yoganandan, Shekar N Kurpad, Dennis J Maiman
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28167249/how-are-adjacent-spinal-levels-affected-by-vertebral-fracture-and-by-vertebroplasty-a-biomechanical-study-on-cadaveric-spines
#19
Jin Luo, Deborah J Annesley-Williams, Michael A Adams, Patricia Dolan
BACKGROUND CONTEXT: Spinal injuries and surgery may have important effects at neighbouring spinal levels, but previous investigations of adjacent-level biomechanics have produced conflicting results. We use 'stress profilometry' and non-contact strain measurements to investigate thoroughly this long-standing problem. PURPOSE: To determine how vertebral fracture and vertebroplasty affect compressive load-sharing and vertebral deformations at adjacent spinal levels...
February 3, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28164114/impact-of-sagittal-balance-on-clinical-outcomes-in-surgically-treated-t12-and-l1-burst-fractures-analysis-of-long-term-outcomes-after-posterior-only-and-combined-posteroanterior-treatment
#20
M Mayer, R Ortmaier, H Koller, J Koller, W Hitzl, A Auffarth, H Resch, A von Keudell
Objective. Long-term radiological and clinical outcome retrospective study of surgical treatment for T12 and L1 burst fractures in perspective of sagittal balance measures. Methods. Patients with age of 16-60 years, complete radiographs, early surgical treatment surgery, and follow-up (F/U) > 18 months were included and strict exclusion criteria applied. Regional and thoracolumbar kyphosis angles (RKA and TLA) were measured preoperatively and at final F/U, as were parameters of the spinopelvic sagittal alignment...
2017: BioMed Research International
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