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Injuries of the thoracolumbar spine

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https://www.readbyqxmd.com/read/28648115/complete-thoracolumbar-fracture-dislocation-with-intact-neurologic-function-explanation-of-a-novel-cord-saving-mechanism
#1
Abolfazl Rahimizadeh, Naser Asgari, Ava Rahimizadeh
BACKGROUND: The thoracolumbar junction from T11 to L2 is a common site of injury in which fracture and dislocations are the most prevalent ones occurring at this location. Fracture dislocation is defined as failure of all three columns of the spine with gross displacement. Considering the significant violence necessary to produce fracture dislocations, these injuries are often associated with major neural deficit, with the majority of casualties becoming paraplegic immediately. Preservation of neurological function following complete fracture dislocation is quite rare entity...
June 26, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28644193/heel-raised-foot-posture-do-not-affect-trunk-and-lower-extremity-biomechanics-during-a-barbell-back-squat-in-recreational-weightlifters
#2
Szu-Ping Lee, Carrie Gillis, Javier J Ibarra, Derek Oldroyd, Ryan Zane
It is claimed that weightlifting shoes with a raised heel may lead to a more upright trunk posture, and thus reduce the risk of back injuries during a barbell back squat. These proclaimed biomechanical effects have not been thoroughly investigated. The purpose of this study was to compare trunk and lower extremity biomechanics during barbell back squats in 3 foot postures.14 recreational weightlifters (7 male and 7 female) between the ages of 18-50 performed barbell back squats in 3 conditions (barefoot on a flat surface, barefoot on a heel-raised platform, and wearing heel-raised weightlifting shoes) at 80% of their 1-RM...
June 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28572150/percutaneous-spinal-ablation-in-a-sheep-model-protective-capacity-of-an-intact-cortex-correlation-of-ablation-parameters-with-ablation-zone-size-and-correlation-of-postablation-mri-and-pathologic-findings
#3
A N Wallace, T J Hillen, M V Friedman, Z S Zohny, B H Stephens, S C Greco, M R Talcott, J W Jennings
BACKGROUND AND PURPOSE: Despite the growing use of percutaneous ablation therapy for the treatment of metastatic spine disease, several issues have yet to be fully addressed. Our aims were to determine whether the vertebral body cortex protects against ablation-induced spinal cord injury; correlate radiofrequency, cryo-, and microwave ablation parameters with resulting spinal ablation zone dimensions and describe normal spinal marrow postablation changes on MR imaging. MATERIALS AND METHODS: Ten thoracolumbar vertebrae in 3 sheep were treated with radiofrequency ablation, cryoablation, or microwave ablation under fluoroscopic guidance...
June 1, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28571219/bi-pedicle-fixation-of-affected-vertebra-in-thoracolumbar-burst-fracture
#4
Pravin Padalkar, Varshil Mehta
INTRODUCTION: Burst fractures of the spine account for 14% of all spinal injuries and more than 50% of all thoracolumbar trauma. However, there is ambiguity while choosing the right treatment plan. Short Segment Pedicle screw Fixation (SSPF) has become an increasingly popular method of treatment of thoracolumbar burst fractures, providing the advantage of incorporating fewer motion segments in the fixation. Various biomechanical studies showed that the use of pedicle screws could achieve stable construct within short-segment fixation...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28557903/functional-recovery-following-early-kyphoplasty-versus-conservative-management-in-stable-thoracuolumbar-fractures-in-parachute-jumpers-a-randomized-clinical-trial
#5
Mohammad S Masoudi, Ali Haghnegahdar, Fariborz Ghaffarpasand, Ghazal Ilami
STUDY DESIGN: A randomized clinical trial. OBJECTIVE: To compare the functional recovery between early kyphoplasty and conservative care in paratroopers with stable thoracolumbar fractures. SUMMARY OF BACKGROUND DATA: Treatment of traumatic stable thoracolumbar fractures in young individuals is still a debate. Conservative management and kyphoplasty are options of therapy. But enough data are not available for supporting each. METHODS: We included 70 paratroopers with stable thoracolumbar fractures (A1 and A2 classification according to AOSpine thoracolumbar spine injury classification system) presenting <60 days after trauma and hyperintensity in T2-weighted magnetic resonance imaging...
May 26, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28547575/incomplete-burst-fractures-of-the-thoracolumbar-spine-a-review-of-literature
#6
REVIEW
U J Spiegl, C Josten, B M Devitt, C-E Heyde
PURPOSE: The purpose of this review was to analyze the biomechanical basis of incomplete burst fractures of the thoracolumbar spine, summarize the available treatment options with evidence from the literature, and to propose a method to differentiate fracture severity. METHODS: The injury pattern, classification, and treatment strategies of incomplete burst fractures of the thoracolumbal spine have been described following a review of the literature. All level I-III studies, studies with long-term results and comparative studies were included and summarized...
May 25, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28534496/definitions-of-traumatic-conus-medullaris-and-cauda-equina-syndrome-a-systematic-literature-review
#7
E Brouwers, H van de Meent, A Curt, B Starremans, A Hosman, R Bartels
STUDY DESIGN: A systematic review. OBJECTIVES: Conus medullaris syndrome (CMS) and cauda equina syndrome (CES) are well-known neurological entities. It is assumed that these syndromes are different regarding neurological and functional prognosis. However, literature concerning spinal trauma is ambiguous about the exact definition of the syndromes. METHODS: A MEDLINE, EMBASE and Cochrane literature search was performed. We included original articles in which clinical descriptions of CMS and/or CES were mentioned in patients following trauma to the thoracolumbar spine...
May 23, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28527755/perioperative-neurologic-complications-during-spinal-fusion-surgery-incidence-and-trends
#8
Parthasarathy Thirumala, James Zhou, Piruthiviraj Natarajan, Jeffrey Balzer, Edward Dixon, David Okonkwo, D K Hamilton
BACKGROUND CONTEXT: Perioperative neurologic complications after spine surgery may increase morbidity and healthcare costs related to the procedure. PURPOSE: We estimate the national incidence of perioperative neurologic complications following anterior cervical discectomy and fusion (ACDF), posterior cervical fusion, and thoracolumbar fusion procedures using the Nationwide Inpatient Sample (NIS) data from 1999 to 2011. Additionally, we identify risk factors for developing perioperative neurologic complications and the effects of these injuries on quantifiable patient outcomes...
May 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28488618/pediatric-thoracolumbar-spinal-injuries-the-etiology-and-clinical-spectrum-of-an-uncommon-entity-in-childhood
#9
R A Babu, Arivazhagan Arimappamagan, Nupur Pruthi, Dhananjaya I Bhat, H R Arvinda, B Indira Devi, Sampath Somanna
BACKGROUND: Pediatric thoracolumbar (TL) spinal injuries are uncommon entities with an incidence of 5-34% of all pediatric spinal injuries. There is a scarcity of studies done on the pediatric population in the developing countries like India. This study aims to review our experience with TL spine injuries in children over a 12-year period. MATERIALS AND METHODS: We retrospectively reviewed the epidemiology, risk factors, mechanisms, patterns of injury and management of pediatric TL injuries in our population...
May 2017: Neurology India
https://www.readbyqxmd.com/read/28458848/delayed-leg-paraplegia-associated-with-hyperextension-injury-in-patients-with-diffuse-idiopathic-skeletal-hyperostosis-dish-case-report-and-review-of-the-literature
#10
Tatsuya Yamamoto, Yoshiomi Kobayashi, Yoji Ogura, Yohei Takahashi, Yoshio Shinozaki, Jun Ogawa
Diffuse idiopathic skeletal hyperostosis (DISH) is characterized by calcifications and ossification of ligaments and tendon insertions. The patients with DISH are susceptible to spinal column injury with trivial trauma due to immobilization of vertebrae and this easily leads to spinal cord injury. However, only few reports on hyperextension injuries of the thoracolumbar spine with DISH exist. Here we report three cases of those who developed delayed leg paraplegia after hyperextension injuries of the thoracolumbar spine with DISH...
March 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28450952/microrna-185-regulates-spinal-cord-injuries-induced-by-thoracolumbar-spine-compression-fractures-by-targeting-transforming-growth-factor-%C3%AE-1
#11
Pengfei Zhao, Shaochun Wang, Yingjie Zhou, Huailiang Zheng, Gang Zhao
The aims of the present study were to examine the expression of transforming growth factor (TGF)-β1 and microRNA (miR)-185 in the bone tissue, blood and cerebrospinal fluid of patients with spinal cord injuries and to evaluate the regulation of spinal cord injuries by miR-185. A total of 44 patients with spinal cord injuries induced by thoracolumbar spine compression fractures, who were hospitalized at Luoyang Orthopedic-Traumatological Hospital between June 2012 and February 2015 were enrolled in the present study...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28383409/clinical-case-series-report-of-traumatic-cauda-equina-herniation-a-pathological-phenomena-occurring-with-thoracolumbar-and-lumbar-burst-fractures
#12
Liang Yan, Yang Liu, Baorong He, Jijun Liu, Zhenguo Luo, Dingjun Hao
RATIONALE: Burst fractures in thoracolumbar and lumbar spine typically occur from severe trauma, which may result in cauda equina herniation (CEH). In this study, we attempted to document the incidence and evaluate the sequelae of CEH that were found during decompression and fusion surgery for patients with burst fractures. PATIENT CONCERNS: A total of 416 patients were enrolled in this study. DIAGNOSES: The patients had been operated on through an anterior or posterior approach for treatments of thoracolumbar and lumbar burst fractures at our department between June 1, 2008 and June 1, 2011...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28367388/delayed-recognition-of-thoracic-and-lumbar-vertebral-compression-fractures-in-minor-accident-cases
#13
Jesse Hatgis, Michelle Granville, Robert E Jacobson
Osteoporotic vertebral compression fractures (VCFs) in the elderly are commonly diagnosed after a minor fall or trauma; however, the majority of these patients have either been previously evaluated for osteoporosis or are already under some form of medical treatment for osteoporosis at the time of the fall. Although accidents are a known cause of VCFs, these fractures are too often undiagnosed. In reviewing a group of patients seen after minor falls or automobile accidents who were complaining of general spine pain, we found a smaller subgroup with previously undiagnosed VCFs...
February 23, 2017: Curēus
https://www.readbyqxmd.com/read/28350952/future-advances-in-spine-surgery-the-aospine-north-america-perspective
#14
Michael G Fehlings, Christopher S Ahuja, Thomas Mroz, Wellington Hsu, James Harrop
This focus issue highlights state-of-the-art techniques, equipment, and practices in the modern era of spine surgery while providing a glimpse into the next generation of patient care. A broad range of topics are presented to cover the full spectrum of the field. Degenerative diseases are discussed in a series of 3 articles on (1) pathophysiology, management, and surgical approaches to degenerative cervical myelopathy; (2) novel approaches to degenerative thoracolumbar disease (eg, interspinous process spacers, minimally invasive/endoscopic approaches); and (3) animal models and emerging therapeutics in degenerative disk disease...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28322758/increased-seat-dump-angle-in-a-manual-wheelchair-is-associated-with-changes-in-thoracolumbar-lordosis-and-scapular-kinematics-during-propulsion
#15
Beth A Cloud, Kristin D Zhao, Arin M Ellingson, Ahmad Nassr, Anthony J Windebank, Kai-Nan An
OBJECTIVE: To quantify and compare spinal curvature and shoulder kinematics throughout the manual wheelchair propulsion cycle for individuals with spinal cord injury (SCI) who were seated at 2 different seat dump angles. DESIGN: Single-group, repeated-measures study. SETTING: Academic medical center. PARTICIPANTS: Twenty-eight individuals completed the telephone screening; 21 were eligible and completed the study. INTERVENTIONS: Participants' personal manual wheelchairs were modified to have seat dump angles of 0° or 14°, with a vertical backrest...
March 18, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28298579/computed-tomography-of-thoracolumbar-spine-trauma
#16
Teresa G Odle
Thoracolumbar spine trauma typically occurs when high-energy forces damage bony and ligamentous spinal structures and, in severe cases, the spinal cord. These injuries often cause considerable neurological deficits as a result of the damage. Computed tomography (CT) is the imaging method of choice for determining injury severity in most victims of multiple trauma. In addition to describing various types of thoracolumbar trauma, this article discusses the role of CT in emergency diagnosis and management of thoracolumbar injuries...
January 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28266959/morphometric-analysis-of-the-retroperitoneal-vessels-with-respect-to-lateral-access-surgery-in-adult-scoliosis
#17
Heeren S Makanji, Hai Le, Kirkham B Wood, Louis G Jenis, Thomas D Cha
STUDY DESIGN: Cross-sectional study reviewing 62 magnetic resonance imaging or computed tomography scans from consecutive adult patients with scoliotic spinal deformity in the thoracolumbar spine. OBJECTIVE: To investigate the variation in anatomic position of retroperitoneal vessels in relationship to curve direction, location, magnitude, and axial rotation of curves in adult scoliosis. SUMMARY OF BACKGROUND DATA: The minimally invasive lateral approach to the thoracolumbar spine avoids manipulation of abdominal and retroperitoneal structures and decreases risk of injury to paraspinal musculature...
March 6, 2017: Clinical Spine Surgery
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
#18
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...
April 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28213865/location-of-vertebral-fractures-is-associated-with-bone-mineral-density-and-history-of-traumatic-injury
#19
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/28167249/how-are-adjacent-spinal-levels-affected-by-vertebral-fracture-and-by-vertebroplasty-a-biomechanical-study-on-cadaveric-spines
#20
Jin Luo, Deborah J Annesley-Williams, Michael A Adams, Patricia Dolan
BACKGROUND CONTEXT: Spinal injuries and surgery may have important effects on neighboring spinal levels, but previous investigations of adjacent-level biomechanics have produced conflicting results. We use "stress profilometry" and noncontact strain measurements to investigate thoroughly this long-standing problem. PURPOSE: This study aimed 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
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