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Spine Journal: Official Journal of the North American Spine Society

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https://www.readbyqxmd.com/read/28716636/a-simplified-clinical-prediction-rule-for-prognosticating-independent-walking-after-spinal-cord-injury-a-prospective-study-from-a-canadian-multicenter-spinal-cord-injury-registry
#1
Katharine E Hicks, Yichen Zhao, Nader Fallah, Carly Rivers, Vanessa Noonan, Tova Plashkes, Eugene K Wai, Darren M Roffey, Eve Tsai, Jerome Paquet, Najmedden Attabib, Travis Marion, Henry Ahn, Philippe Phan
BACKGROUND: Context: Traumatic spinal cord injury (SCI) is a debilitating condition with limited treatment options for neurological or functional recovery. The ability to predict the prognosis of walking post-injury with emerging prediction models could aid in rehabilitation strategies and reintegration into the community. PURPOSE: To re-validate an existing clinical prediction model for independent ambulation (van Middendorp et al. 2011) utilising acute and long-term post-injury follow-up data, and to investigate the accuracy of a simplified model using prospectively collected data from a Canadian multicenter SCI database, the Rick Hansen Spinal Cord Injury Registry (RHSCIR)...
July 14, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28713053/perils-of-intraoperative-neurophysiologic-monitoring-analysis-of-false-negative-results-in-spine-surgeries
#2
Arvydas Tamkus, Kent S Rice, Michael McCaffrey
BACKGROUND CONTEXT: Although some authors published case reports describing false negatives in intraoperative neurophysiologic monitoring (IONM), systematic review of causes of false negative IONM results is lacking. PURPOSE: The objective was to analyze false negative IONM findings in spine surgery. STUDY DESIGN: Retrospective cohort analysis PATIENT SAMPLE: A cohort of 109 patients with new postoperative neurological deficits was analyzed for possible false negative IONM reporting...
July 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28713052/advice-for-acute-low-back-pain-a-comparison-of-what-research-supports-and-what-guidelines-recommend
#3
REVIEW
Matthew L Stevens, Chung-Wei C Lin, Flavia A de Carvalho, Kevin Phan, Bart Koes, Chris G Maher
Background Advice is widely considered an effective treatment for acute low back pain (LBP) however details on what and how to deliver this intervention is less clear. Purpose We assessed and compared clinical trials which test advice for acute LBP to practice guidelines for their completeness of reporting and concordance on the content, method of delivery and treatment regimen of advice interventions. Study Design/Setting Systematic Review Methods Advice RCTs were identified through a systematic search. Guidelines were taken from recent overviews of guidelines for LBP...
July 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28713051/3d-visualization-and-pathological-characteristics-of-cartilage-and-subchondral-bone-changes-in-the-lumbar-facet-joint-of-an-ovariectomized-mouse-model
#4
Yong Cao, Shuangfei Ni, Tianding Wu, Chunyue Duan, Shenghui Liao, Jianzhong Hu
BACKGROUD CONTEXT: Low back pain (LBP) is more prevalent among postmenopausal women than men. Ovariectomy (OVX) is an established animal model that mimics the estrogen deficiency of postmenopausal women. Little is known about the morphological properties of cartilage and subchondral bone changes in the lumbar facet joint (LFJ) of an OVX mouse model. PURPOSE: The purpose of this study is to characterize the morphological change of cartilage and subchondral bone in LFJ of an OVX mouse model...
July 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28713050/the-biomechanical-impact-of-the-facet-tropism-on-the-intervertebral-disc-and-facet-joints-in-the-cervical-spine
#5
Xin Rong, Beiyu Wang, Chen Ding, Yuxiao Deng, Hua Chen, Yang Meng, Weijie Yan, Hao Liu
BACKGROUND CONTEXT: The facet tropism is defined as the angular difference between the left and right facet orientation. The facet tropism was suggested to be associated with the disc degeneration and facet degeneration in the lumbar spine. However, little is known about the relationship between the facet tropism and pathological changes in the cervical spine and the mechanism behind. PURPOSE: This study was conducted to investigate the biomechanical impact of the facet tropism on the intervertebral disc and facet joints...
July 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28713049/patient-reported-outcomes-after-surgical-stabilization-of-spinal-tumors-symptom-based-validation-of-the-spinal-instability-neoplastic-score-sins-and-surgery
#6
Ibrahim Hussain, Ori Barzilai, Anne S Reiner, Natalie DiStefano, Lily McLaughlin, Shahiba Ogilvie, Mark Bilsky, Ilya Laufer
BACKGROUND CONTEXT: Neoplastic spinal instability is movement-related pain or neurologic compromise under physiologic loads with the Spinal Instability Neoplastic Score (SINS) developed to facilitate diagnosis. There is a paucity of evidence that mechanical instability correlates with patient-reported symptoms and that surgical stabilization significantly improves these patient-reported outcomes (PRO). PURPOSE: The objective of this study was to determine if SINS correlates with patient-reported preoperative pain and disability and if surgical stabilization significantly improves PRO...
July 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28711563/application-of-neurite-orientation-dispersion-and-density-imaging-or-diffusion-tensor-imaging-to-quantify-the-severity-of-cervical-spondylotic-myelopathy-and-assess-postoperative-neurological-recovery
#7
Genki Okita, Tetsuro Ohba, Tomohiro Takamura, Shigeto Ebata, Ryo Ueda, Hiroshi Onishi, Hirotaka Haro, Masaaki Hori
BACKGROUND CONTEXT: Surgical outcome and the severity of cervical spondylotic myelopathy (CSM) are unpredictable and cannot be estimated by conventional anatomical MRI. The utility of diffusion tensor imaging (DTI) to quantify the severity of CSM and assess postoperative neurological recovery has been investigated. However, whether conventional DTI should be applied in a clinical setting remains controversial. Neurite orientation dispersion and density imaging (NODDI) is a recently introduced model-based diffusion-weighted MRI technique that quantifies specific microstructural features related directly to neuronal morphology...
July 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28709947/combination-of-whole-spine-lateral-radiograph-and-lateral-scanogram-in-the-assessment-of-global-sagittal-balance
#8
Chang-Hoon Jeon, Kyu-Sung Kwack, Sunghoon Park, Han-Dong Lee, Nam-Su Chung
BACKGROUND CONTEXT: Global balance of human standing is analyzed as the geometric sum of the individual alignments extending from the spinal column to the pelvis, and to the lower limbs. The innovative EOS system has opened new perspectives for the global analysis of whole body alignment, but its use is very limited due to its high cost. An alternative may be to combine the whole spine lateral radiograph and the lateral scanogram in the global sagittal analysis of whole body alignment...
July 11, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28709946/frailty-and-sarcopenia-do-not-predict-adverse-events-in-an-elderly-population-undergoing-non-complex-primary-elective-surgery-for-degenerative-conditions-of-the-lumbar-spine
#9
Raphaële Charest-Morin, John Street, Honglin Zhang, Taren Roughead, Tamir Ailon, Michael Boyd, Marcel Dvorak, Brian Kwon, Scott Paquette, Nicolas Dea, Charles G Fisher, Alana M Flexman
BACKGROUND CONTEXT: Sarcopenia measured by normalized total psoas area (NTPA) has been shown to predict mortality and adverse events (AE) in numerous surgical populations. The relationship between sarcopenia and postoperative outcomes after surgery for degenerative spine disease (DSD) has not been investigated. PURPOSE: This study aimed to determine the relationships between sarcopenia, frailty and postoperative adverse events in the elderly DSD population. Secondary objectives were to describe the distribution and predictors of NTPA and to determine the relationship between sarcopenia, frailty and length of stay, discharge to a facility and in-hospital mortality...
July 11, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28705774/asia-a-sensory-and-motor-complete-is-not-different-than-asia-b-sensory-incomplete-motor-complete-in-gunshot-related-spinal-cord-injury
#10
Eric McCoy, Nima Eftekhary, Kenneth Nwosu, Dudley Fukunaga, Charles Liu, Kevin Rolfe
Background Context We receive a large number of spinal cord injury (SCI) patients due to penetrating gunshot wounds (GSW) at our national rehabilitation center. Though many patients are labeled American Spinal Injury Association (ASIA) B sensory incomplete due to sensory sparing, especially deep anal pressure, with purported prognostic value, we have not observed a clinical difference from ASIA A completes. We hypothesized that sensory sparing, if meaningful, should reduce the occurrence of pressure ulcers...
July 10, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28694217/the-magnitude-of-angular-and-translational-displacement-of-dens-fractures-is-dependent-on-the-sagittal-alignment-of-the-cervical-spine-rather-than-the-force-of-injury
#11
Sabina R Blizzard, Bala Krishnamoorthy, Matthew Shinseki, Marcel Betsch, Jung Yoo
BACKGROUND CONTEXT: Although it is generally believed that the magnitude of dens fracture displacement is proportional to the amount of force applied to the cervical spine during injury, the factors responsible for displacement have not been studied. PURPOSE: Our aim was to determine factors which contribute to horizontal and angular displacement of dens fractures. STUDY DESIGN/SETTING: We conducted a retrospective review of adult patients who were admitted to our level one trauma center between 1/1/2008 and 12/31/2013...
July 7, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28694216/an-analysis-of-radiographic-parameters-comparison-between-lumbar-spine-latericumbent-and-full-length-lateral-standing-radiographs
#12
Zhiwei Yang, Fang Xie, Jianxin Zhang, Zhuowen Liang, Zhe Wang, Xueyu Hu, Zhuojing Luo
BACKGROUND CONTEXT: The lumbar spine latericumbent and full-length lateral standing radiographs are most commonly used to assess lumbar disorder. However, there are few literatures regarding the difference and correlation of the sagittal parameters between the two shooting positions. PURPOSE: To investigate the difference of sagittal parameters in spine lateral radiographs between latericumbent and upright positions, identify the correlation and establish a preliminary linear fitting formula...
July 7, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28688984/patient-profiling-can-identify-adult-spinal-deformity-asd-patients-at-risk-for-conversion-from-nonoperative-to-surgical-treatment-initial-steps-to-reduce-ineffective-asd-management
#13
Peter G Passias, Cyrus M Jalai, Breton G Line, Gregory W Poorman, Justin K Scheer, Justin S Smith, Christopher I Shaffrey, Douglas C Burton, Kai-Ming G Fu, Eric O Klineberg, Robert A Hart, Frank Schwab, Virginie Lafage, Shay Bess
BACKGROUND CONTEXT: Non-operative management is a common initial treatment for adult spinal deformity (ASD) patients despite reported superiority of surgery with regard to outcomes. Ineffective medical care is a large source of resource drain on the health system. Characterization of ASD patients likely to elect for operative treatment from nonoperative management may allow for more efficient patient counseling and cost savings. PURPOSE: To identify deformity and disability characteristics of ASD patients that ultimately convert to operative treatment compared to those that remain non-operative and those that initially choose surgery...
July 5, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28687252/treatment-of-early-onset-scoliosis-with-a-hybrid-of-a-concave-magnetic-driver-mcgr-and-a-contralateral-passive-sliding-rod-construct-with-apical-control-preliminary-report-on-17-cases
#14
Simon T Skov, Sebastiaan P J Wijdicks, Cody Bünger, René M Castelein, Haisheng Li, Moyo C Kruyt
BACKGROUND CONTEXT: Magnetic controlled growth rods (MCGRs) are increasingly popular for surgical treatment of severe early-onset scoliosis (EOS), because they allow non-invasive extensions with good growth maintenance. We combined a MCGR with a contralateral passive sliding rod construct with apical control on the convex side to improve efficiency in terms of costs and 3D correction. PURPOSE: To investigate the feasibility, 3D correction, spinal growth and complications of the apical control MCGR/sliding rod hybrid...
July 4, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28684347/the-adult-deformity-surgery-complexity-index-adsci-a-valid-tool-to-quantify-the-complexity-of-posterior-adult-spinal-deformity-surgery-and-predict-postoperative-complications
#15
Ferran Pellisé, Alba Vila-Casademunt, Susana Núñez-Pereira, Montse Domingo-Sàbat, Juan Bagó, Xavier Vidal, Ahmet Alanay, Emre Acaroglu, Frank Kleinstück, Ibrahim Obeid, Francisco J S Pérez-Grueso, Virginie Lafage, Shay Bess, Christopher Ames, Anne F Mannion
BACKGROUND CONTEXT: In 2008, Mirza et al. designed and validated the first and only index capable of quantifying the complexity of spine surgery. However, this index is not fully applicable to adult spinal deformity (ASD) surgery, since it does not include the surgical techniques most commonly used and most strongly associated with perioperative complications in ASD patients. PURPOSE: The objective of this study is to develop an "Adult Deformity Surgery Complexity Index" (ADSCI), to quantify objectively the complexity of the ASD posterior surgery...
July 3, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28684346/antibiotic-loaded-bone-graft-for-reduction-of-surgical-site-infection-in-spinal-fusion
#16
Stefanie M Shiels, Vivek P Raut, Patrick B Patterson, Brian R Barnes, Joseph C Wenke
BACKGROUND CONTEXT: Infections remain a leading complication associated with spinal arthrodesis, regardless of the use of prophylactic antibiotics and improved surgical techniques, with incidence of infection as high as 8.2%. Infection prolongs antibiotic usage, increases hospital time, and inevitably inflates overall treatment costs. Local antibiotics, such as vancomycin, have been used in combination with fusion materials over the past decade to decrease infection risk. An ideal graft material would serve a dual role: encourage vertebral fusion while reducing incidence of infection...
July 3, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28673831/risk-factors-for-laryngeal-penetration-aspiration-in-patients-with-acute-traumatic-cervical-spinal-cord-injury
#17
Tiina Ihalainen, Irina Rinta-Kiikka, Teemu M Luoto, Tuomo Thesleff, Mika Helminen, Anna-Maija Korpijaakko-Huuhka, Antti Ronkainen
BACKGROUND CONTEXT: Laryngeal penetration-aspiration, entry of material into the airways, is considered the most severe subtype of dysphagia and common among patients with acute cervical spinal cord injury. PURPOSE: The aim of this study was to investigate risk factors for penetration-aspiration in patients with acute traumatic cervical spinal cord injury (TCSCI). STUDY DESIGN: A prospective cohort study. PATIENT SAMPLE: Thirty-seven patients with TCSCI...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28673830/motion-preservation-following-total-lumbar-disc-replacement-at-the-lumbosacral-junction-a-prospective-long-term-clinical-and-radiographic-investigation
#18
Christoph Wuertinger, Raphael Dàgostino Annes, Wolfgang Hitzl, Christoph J Siepe
BACKGROUND CONTEXT: Total lumbar disc replacement (TDR) intends to avoid fusion related negative side effects by means of motion preservation. Despite of their widespread use, the adequate quality and quantity of motion as well as the correlation between radiographic data with the patient's clinical symptomatology remains to be established. Long-term data are lacking in particular. PURPOSE: To perform a clinical and radiographic long-term investigation following TDR with special emphasis on motion preservation assessment and to establish any potential correlation with patient reported outcome parameters...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28673829/lumbar-spine-surgery-in-patients-with-rheumatoid-arthritis-ra-what-affects-the-outcomes
#19
Shoji Seki, Norikazu Hirano, Isao Matsushita, Yoshiharu Kawaguchi, Masato Nakano, Taketoshi Yasuda, Hiraku Motomura, Kayo Suzuki, Yasuhito Yahara, Kenta Watanabe, Hiroto Makino, Tomoatsu Kimura
BACKGROUND CONTEXT: While the cervical spine is only occasionally involved in rheumatoid arthritis (RA), involvement of the lumbar spine is even less common. A few reports on lumbar spinal stenosis in patients with RA have appeared. Although disc space narrowing occurs in aging, postoperative ASD in RA patients has not been subject to much analysis. PURPOSE: To investigate differences in adjacent segment disease (ASD) and clinical outcomes between lumbar spinal decompression with and without fusion in patients with rheumatoid arthritis (RA)...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28673828/gender-trends-in-authorship-of-spine-related-academic-literature-a-39-year-perspective
#20
David C Sing, Deeptee Jain, David Ouyang
BACKGROUND CONTEXT: Despite recent advances in gender equity in medicine, the representation of women in orthopaedic and neurosurgery remains particularly low. Furthermore compared to their male colleagues female faculty members are less likely to publish research, limiting opportunities in the academic promotion process. Understanding disparities in research productivity provides insight into the "gender gap" in the spine surgeon workforce. PURPOSE: To determine the representation and longevity of female physician-investigators among the authors of five spine-related research journals from 1978 to 2016...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
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