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Thoracic spine

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https://www.readbyqxmd.com/read/27933475/how-safe-is-minimally-invasive-pedicle-screw-placement-for-treatment-of-thoracolumbar-spine-fractures
#1
Timo Michael Heintel, Stefan Dannigkeit, Annabel Fenwick, Martin Cornelius Jordan, Hendrik Jansen, Fabian Gilbert, Rainer Meffert
STUDY DESIGN: Prospective analysis of patients who underwent minimally invasive posterior instrumentation. OBJECTIVE: The purpose of this study was to evaluate the safety of minimally invasive pedicle screw placement in patients with unstable thoracic and lumbar spine fractures using the conventional fluoroscopy technique. Although wound infection, haematoma, and new neurological deficit due to screw malplacement remain a common source of morbidity, estimates of their rates of occurrence remain relatively limited...
December 8, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27932511/ascending-and-descending-thoracic-vertebral-arteries
#2
P Gailloud, L Gregg, M S Pearl, D San Millan
Thoracic vertebral arteries are anastomotic chains similar to cervical vertebral arteries but found at the thoracic level. Descending thoracic vertebral arteries originate from the pretransverse segment of the cervical vertebral artery and curve caudally to pass into the last transverse foramen or the first costotransverse space. Ascending thoracic vertebral arteries originate from the aorta, pass through at least 1 costotransverse space, and continue cranially as the cervical vertebral artery. This report describes the angiographic anatomy and clinical significance of 9 cases of descending and 2 cases of ascending thoracic vertebral arteries...
December 8, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27930278/for-love-not-money-the-financial-implications-of-surgical-fellowship-training
#3
Paul M Inclan, Adam S Hyde, Michael Hulme, Jeffrey E Carter
Surgical residents cite increased income potential as a motivation for pursuing fellowship training, despite little evidence supporting this perception. Thus, our goal is to quantify the financial impact of surgical fellowship training on financial career value. By using Medical Group Management Association and Association of American Medical Colleges physician income data, and accounting for resident salary, student debt, a progressive tax structure, and forgone wages associated with prolonged training, we generated a net present value (NPV) for both generalist and subspecialist surgeons...
September 2016: American Surgeon
https://www.readbyqxmd.com/read/27927574/untreated-thoracic-curve-in-adult-idiopathic-scoliosis-what-are-patients-concerns
#4
Javier Pizones, Mar Pérez Martin-Buitrago, Francisco Javier Sánchez Perez-Grueso, Ferran Pellisé, Ahmet Alanay, Ibrahim Obeid, Frank Kleinstück, Emre R Acaroglu
STUDY DESIGN: Retrospective two-cohort comparative analysis of data collected prospectively. OBJECTIVES: To analyze a cohort of patients with untreated thoracic curves of an adult multicenter deformity database [European spine study group (ESSG)], describe patient characteristics and concerns, and establish the rate and motivations for surgical intervention. SUMMARY OF BACKGROUND DATA: Idiopathic thoracic curves have a significant clinical and socioeconomic impact during adolescence...
November 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927568/mris-are-less-accurate-tools-for-the-most-critically-worrisome-pedicles-compared-to-ct-scans
#5
Vishal Sarwahi, Terry Amaral, Stephen Wendolowski, Rachel Gecelter, Etan Sugarman, Yungtai Lo, Dan Wang, Beverly Thornhill
STUDY DESIGN: Retrospective review of magnetic resonance imaging (MRI) and computed tomographic (CT) scan imaging modalities. OBJECTIVE: To determine MRI's capability of identifying pedicle morphology. SUMMARY OF BACKGROUND DATA: Understanding pedicle morphology is important for accurate placement of pedicle screws. The gold standard modality to assess pedicle morphology is CT scan. However, CT scans carry the risk of radiation exposure. We have studied MRI as a potential alternative to CT scan...
November 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927552/multicenter-comparison-of-3d-spinal-measurements-using-surface-topography-with-those-from-conventional-radiography
#6
Patrick Knott, Peter Sturm, Baron Lonner, Patrick Cahill, Marcel Betsch, Richard McCarthy, Michael Kelly, Lawrence Lenke, Randal Betz
INTRODUCTION: In pediatric spinal deformity the gold standard for curve surveillance remains standing full-column radiographs, but repeated exposure to ionizing radiation motivates us to look for nonradiographic solutions. This study tests a modern system of surface topography (ST) to determine whether it is reliable and reproducible. METHODS: Patients from 6 pediatric spinal deformity clinics were recruited for enrollment. Inclusion criteria were age 8-18; diagnosis of scoliosis measuring ≥10 and <50 degrees or increased kyphosis of ≥45 degrees...
March 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927550/strength-of-thoracic-spine-under-simulated-direct-vertebral-rotation-a%C3%A2-biomechanical-study
#7
Sean L Borkowski, Sophia N Sangiorgio, Richard E Bowen, Anthony A Scaduto, Bo He, Kathryn L Bauer, Edward Ebramzadeh
BACKGROUND: Direct vertebral rotation (DVR) has gained increasing popularity for deformity correction surgery. Despite large moments applied intraoperatively during deformity correction and failure reports including screw plow, aortic abutment, and pedicle fracture, to our knowledge, the strength of thoracic spines has been unknown. Moreover, the rotational response of thoracic spines under such large torques has been unknown. PURPOSE: Simulate DVR surgical conditions to measure torsion to failure on thoracic spines and assess surgical forces...
March 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927542/t12-sagittal-tilt-predicts-thoracic-kyphosis
#8
Stephen J Lewis, Taylor E Dear, Michael G Zywiel, Sam G Keshen, Y Raja Rampersaud, Sofia P Magana
STUDY DESIGN: Retrospective review and analysis of lateral long cassette radiographs. OBJECTIVE: The purpose of this paper is to assess whether certain radiographic features routinely seen on lumbar radiographs can predict a structural thoracic deformity. SUMMARY OF BACKGROUND DATA: Obtaining proper sagittal alignment is an essential factor contributing to favorable clinical outcomes following spinal deformity surgery. The majority of patients treated with lumbar fusions do not undergo long cassette radiographs, and therefore physicians must rely upon clinical examination to determine the presence of a structural thoracic kyphotic deformity...
March 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927523/adult-spinal-deformity-surgeons-are-unable-to-accurately-predict-postoperative-spinal-alignment-using-clinical-judgment-alone
#9
Tamir Ailon, Justin K Scheer, Virginie Lafage, Frank J Schwab, Eric Klineberg, Daniel M Sciubba, Themistocles S Protopsaltis, Lukas Zebala, Richard Hostin, Ibrahim Obeid, Tyler Koski, Michael P Kelly, Shay Bess, Christopher I Shaffrey, Justin S Smith, Christopher P Ames
OBJECT: Adult spinal deformity (ASD) surgery seeks to reduce disability and improve quality of life through restoration of spinal alignment. In particular, correction of sagittal malalignment is correlated with patient outcome. Inadequate correction of sagittal deformity is not infrequent. The present study assessed surgeons' ability to accurately predict postoperative alignment. METHODS: Seventeen cases were presented with preoperative radiographic measurements, and a summary of the operation as performed by the treating physician...
July 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927513/biomechanical-assessment-of-providence-nighttime-brace-for-the-treatment-of-adolescent-idiopathic-scoliosis
#10
Amjad Sattout, Julien Clin, Nikita Cobetto, Hubert Labelle, Carl-Eric Aubin
STUDY DESIGN: Biomechanical study of the Providence brace for the treatment of adolescent idiopathic scoliosis (AIS). OBJECTIVES: To model and assess the effectiveness of Providence nighttime brace. SUMMARY OF BACKGROUND DATA: Providence nighttime brace is an alternative to traditional daytime thoracolumbosacral orthosis for the treatment of moderate scoliotic deformities. It applies three-point pressure to reduce scoliotic curves. The biomechanics of the supine position and Providence brace is still poorly understood...
July 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927505/outcomes-of-pelvic-fixation-in-growing-rod-constructs-an-analysis-of-patients-with-a-minimum-of-4-years-of-follow-up
#11
Jaysson T Brooks, Amit Jain, Francisco Sanchez-Perez-Grueso, David L Skaggs, George H Thompson, Behrooz A Akbarnia, Paul D Sponseller
STUDY DESIGN: Retrospective review. OBJECTIVE: To evaluate which distal anchors in growing rod (GR) constructs optimally correct major curve, pelvic obliquity, sagittal alignment, T1-S1 length, thoracic kyphosis, and lumbar lordosis with the fewest complications at 4 or more years' postoperative follow-up. SUMMARY OF BACKGROUND DATA: Pelvic fixation to the ilium and/or sacrum in GR constructs is used to treat patients with early-onset scoliosis...
May 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927501/morphometric-analysis-of-the-thoracic-intervertebral-foramen-osseous-anatomy-in-adolescent-idiopathic-scoliosis-using-low-dose-computed-tomography
#12
Thorbjorn J Loch-Wilkinson, Maree T Izatt, Robert D Labrom, Geoffrey N Askin, Mark J Pearcy, Clayton J Adam
PURPOSE: The dimensions of the thoracic intervertebral foramen in adolescent idiopathic scoliosis (AIS) have not previously been quantified. Better understanding of the dimensions of the foramen may be useful in surgical planning. This study describes a reproducible method for measurement of the thoracic foramen in AIS using computed tomography (CT). METHODS: In 23 preoperative female patients with Lenke 1 type AIS with right-side convexity major curves confined to the thoracic spine the foraminal height (FH), foraminal width (FW), pedicle to superior articular process distance (P-SAP), and cross-sectional foraminal area (FA) were measured using multiplanar reconstructed CT...
May 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927492/investigating-the-universality-of-preoperative-health-related-quality-of%C3%A2-life-hrqol-for-surgically-treated-spinal-deformity-in-young-adults-a-propensity-score-matched-comparison-between-african-and%C3%A2-us-populations
#13
Bradley Y Harris, Matthew F Roth, Bassel G Diebo, Shay Bess, Alexander A Theologis, Justin K Scheer, Frank J Schwab, Virginie Lafage, Christopher P Ames, Richard Hodes, Jennifer Ayamga, Oheneba Boachie-Adjei
STUDY DESIGN: Retrospective analysis of propensity score-matched (PSM) observational cohorts. OBJECTIVES: To evaluate and compare preoperative health-related quality of life (HRQoL) scores and radiographic measurements of young African and US adults with spinal deformity (ASD). SUMMARY OF BACKGROUND DATA: Young ASD patients in the United States are motivated more to correct coronal and sagittal plane deformities than to alleviate pain. Motivations for surgical correction in young ASD patients in Africa have not been previously investigated...
September 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927491/age-at-initiation-and-deformity-magnitude-influence-complication-rates-of-surgical-treatment-with-traditional-growing-rods-in-early-onset-scoliosis
#14
Vidyadhar V Upasani, Kevin C Parvaresh, Jeff B Pawelek, Patricia E Miller, George H Thompson, David L Skaggs, John B Emans, Michael P Glotzbecker
STUDY DESIGN: Multi-center retrospective review. OBJECTIVE: The purpose of this study was to identify preoperative variables associated with postoperative complications in early-onset scoliosis (EOS) patients treated with traditional growing rods (TGR); and to develop a model to predict the incidence of postoperative complications based on preoperative variables. SUMMARY OF BACKGROUND DATA: TGRs are commonly used to treat progressive EOS. Prior research has demonstrated a high rate of postoperative complications using this technique; however, few studies have identified preoperative factors that contribute to such complications...
September 2016: Spine Deformity
https://www.readbyqxmd.com/read/27925241/vertebral-subluxation-repair-in-a-pet-goat
#15
Sara Nannarone, Enrico Bellezza, Yves P Moens, Paula Larenza Menzies
OBJECTIVES: To describe the perioperative management, including surgery, anesthesia, metabolic derangements, and physiotherapy, in a goat referred for paraparesis secondary to a road traffic accident. STUDY DESIGN: Case report. ANIMALS: 2-year-old mixed breed dwarf 44 kg female pet goat. METHODS: Clinical examination showed symptoms of early compensatory stages of shock, paraparesis with hyperextension of the thoracic limbs, pain on palpation of the thoracolumbar spine, increased patellar reflexes of both pelvic limbs without superficial sensitivity, but preserved deep pain sensation...
December 7, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27922578/facet-joint-violation-during-percutaneous-pedicle-screw-placement-a-comparison-of-two-techniques
#16
Oliver Tannous, Ehsan Jazini, Tristan B Weir, Kelley E Banagan, Eugene Y Koh, D Greg Anderson, Daniel E Gelb, Steven C Ludwig
STUDY DESIGN: A comparative study of facet joint violation (FJV) using two percutaneous surgical techniques. OBJECTIVE: To compare the rate of iatrogenic FJV and medial pedicle wall breach between two methods of percutaneous pedicle screw instrumentation in the thoracic and lumbar spine. SUMMARY OF BACKGROUND DATA: Variable iatrogenic damage to the facet joints has been reported to occur with percutaneous pedicle screw techniques, compared with the open approach, which has been associated with adjacent segment disease...
December 2, 2016: Spine
https://www.readbyqxmd.com/read/27920879/recurrent-solitary-fibrous-tumor-of-lumbar-spine-with-vertebral-body-involvement-imaging-features-and-differential-diagnosis-with-report-of-a-case
#17
Zerwa Farooq, Zain Badar, Daniel Zaccarini, Felix B Tavernier, Anthony Mohamed, Rajiv Mangla
Solitary fibrous tumors (SFTs) of the spine are exceedingly rare tumors of mesenchymal origin. Most spinal SFTs arise from the thoracic spine, followed by cervical spine, and last lumbar spine with only 6 cases reported in literature. SFTs represent a wide range of neoplasms, ranging from benign to malignant. These tumors can develop a late recurrence, even after a decade or more of initial presentation, requiring long-term follow-up. We present a case of recurrent SFT of the lumbar spine with vertebral body involvement, presenting more than a decade after initial resection...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27916035/-microsurgical-management-and-outcomes-of-intramedullary-spinal-arteriovenous-malformations-a-report-of-14-cases
#18
L Zhang, W Q Jia, J Yang
Objective: To investigate the clinical features, microsurgical management and outcomes of intramedullary spinal arteriovenous malformations (AVM). Methods: A series of 14 patients (10 male, 4 female; mean age (39.1±17.2) years ranged from 16 to 72 years) with intramedullary spinal AVM who underwent microsurgical treatment from November 2008 to April 2015 in Department of Neurosurgery at Beijing Tiantan Hospital were retrospectively reviewed. The location of the AVM included cervical (n=6), thoracic (n=3), cervicothoracic (n=2), and conus medullaris (n=3)...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27913838/isolated-transverse-process-fractures-insignificant-injury-or-marker-of-complex-injury-pattern
#19
G Lombardo, P Petrone, K Prabhakaran, C P Marini
INTRODUCTION: This study investigates the incidence of isolated transverse process fractures (ITPFx) amongst vertebral fractures in trauma patients, and specific-associated injury patterns present in patients with ITPFx. MATERIALS AND METHODS: A retrospective, 4-year review of our Level 1 Trauma Center registry was performed. Patients with blunt spinal column fractures were identified. Data collected included patient demographics, Injury Severity Score (ISS), type of imaging obtained, and concomitant injuries, including rib and pelvic fractures, liver, spleen, and kidney injury (SOI)...
December 2, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/27911244/neurosurgical-management-in-lateral-meningocele-syndrome-case-report
#20
Erik C Brown, Kunal Gupta, Christina Sayama
Lateral meningocele syndrome (LMS) is a rare genetic connective tissue disorder. It is associated with morphological changes similar to those of other connective tissue disorders, with the unique distinction of multiple, often bilateral and large, lateral meningoceles herniating through the spinal foramina. In some cases, these lateral meningoceles can cause pain and discomfort due to their presence within retroperitoneal tissues or cause direct compression of the spinal nerve root exiting the foramen; in some cases compression may also involve motor weakness...
December 2, 2016: Journal of Neurosurgery. Pediatrics
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