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Spine Journal: Official Journal of the North American Spine Society

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https://www.readbyqxmd.com/read/29221759/clinically-significant-pedicle-screw-malposition-is-an-underestimated-cause-of-radiculopathy
#1
Emily Jane Woo, Michael N DiCuccio
No abstract text is available yet for this article.
December 5, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29174460/long-term-outcomes-of-transforaminal-lumbar-interbody-fusion-in-patients-with-spinal-stenosis-and-degenerative-scoliosis
#2
Swamy Kurra, William F Lavelle, Michael P Silverstein, Jason W Savage, R Douglas Orr
BACKGROUND CONTEXT: Spinal deformity patients may present with complaints related to either the deformity itself or to the manifestations of the coexisting spinal stenosis. There are reports of successful management of lumbar pathology in the absence of global sagittal or coronal imbalance, with limited decompression and fusion, addressing only the symptomatic segment. PURPOSE: Our study examined the long-term outcomes of transforaminal lumbar interbody fusion (TLIF), a less extensive procedure, based on the experience of the senior author over the past ten years...
November 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29174459/prognosis-of-sciatica-and-back-related-leg-pain-in-primary-care-the-atlas-cohort
#3
Kika Konstantinou, Kate M Dunn, Reuben Ogollah, Martyn Lewis, Danielle van der Windt, Elaine M Hay
BACKGROUND CONTEXT: Evidence is lacking on the prognosis and prognostic factors for back-related leg pain and sciatica in patients seeing their primary care physicians. This could guide timely appropriate treatment and referral decisions. PURPOSE: To describe prognosis and prognostic factors in primary care patients with low back-related leg pain, and sciatica. STUDY DESIGN: Prospective cohort study PATIENT SAMPLE: Adults visiting their family doctor with back-related leg pain in the United Kingdom...
November 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29174458/anterior-cement-augmentation-of-adjacent-levels-after-vertebral-body-replacement-leads-to-superior-stability-of-the-corpectomy-cage-under-cyclic-loading-a-biomechanical-investigation
#4
Ludwig Oberkircher, Antonio Krüger, Dominik Hörth, Juliana Hack, Steffen Ruchholtz, Christoph Fleege, Michael Rauschmann, Mohammad Arabmotlagh
BACKGROUND: In the operative treatment of osteoporotic vertebral body fractures, a dorsal stabilization in combination with a corpectomy of the fractured vertebral body might be necessary with respect to the fracture morphology, whereby the osteoporotic bone quality may possibly increase the risk of implant failure. In order to achieve better stability, it is recommended to use cement-augmented screws for dorsal instrumentation. Beside careful endplate preparation cement augmentation of the adjacent endplates has also been reported to lead to less reduction loss...
November 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29174457/what-does-the-shape-of-our-back-tell-us-correlation-between-sacrum-orientation-and-lumbar-lordosis
#5
Hendrik Schmidt, Maxim Bashkuev, Jeronimo Weerts, Joern Altenscheidt, Christoph Maier, Sandra Reitmaier
BACKGROUND CONTEXT: Sacral slope and lumbar lordosis have been studied extensively in recent years via x-ray examinations and strongly correlate with each other. This raises firstly the question of the reproducibility of this correlation in multiple standing phases and secondly whether this correlation can be achieved using non-radiological measurement tools. PURPOSE: This study aimed to (1) determine the extent to which the back-shape measurements correspond to the correlations between the sacral slope and lumbar lordosis found in previous radiologic investigations, (2) identify a possible effect of age and gender on this correlation and (3) evaluate the extent to which this correlation is affected by repeated standing phases...
November 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155344/freehand-technique-for-c2-pedicle-and-pars-screw-placement-safe-or-not
#6
Prachya Punyarat, K Daniel Riew, Benjamin T Klawson, Colleen Peters, Thamrong Lertudomphonwanit, Jacob M Buchowski
BACKGROUND CONTEXT: During placement of C2 pedicle and pars screws, intraoperative fluoroscopy is used so that neurovascular complications can be avoided, and screws can be placed in the proper position. However, this method is time consuming and increases radiation exposure. Furthermore, it does not guarantee completely safe and accurate screw placement. PURPOSE: To evaluate the safety of the C2 pedicle and pars screw placement without fluoroscopic or other guidance methods...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155343/health-outcomes-and-costs-of-acute-traumatic-spinal-injury-in-new-south-wales-australia
#7
Rebecca Mitchell, Lara Harvey, Ralph Stanford, Jacqueline Close
BACKGROUND CONTEXT: Traumatic spinal injuries are often associated with both long-term disability, higher frequency of hospital readmissions and high medical costs for individuals of all ages. Age differences in terms of injury profile and health outcomes among those who sustain a spinal cord injury have been identified. However, factors that may influence health outcomes among those with a spinal injury have not been extensively examined at a population-level. PURPOSE: To describe the characteristics of traumatic spinal injury, identify factors predictive of mortality; and estimate the cost of hospital treatment for younger and older people...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155342/predictors-before-and-after-multimodal-rehabilitation-for-pain-acceptance-and-engagement-in-activities-at-a-one-year-follow-up-for-patients-with-whiplash-associated-disorders-wad-a-study-based-on-the-swedish-quality-registry-for-pain-rehabilitation-sqrp
#8
Anne Söderlund, Monika Löfgren, Britt-Marie Stålnacke
BACKGROUND: Studies have shown that pain acceptance strategies related to psychological flexibility are important in the presence of chronic musculoskeletal pain. However, the predictors of these strategies have not been studied extensively in patients with Whiplash Associated Disorders (WAD). PURPOSE: The purpose of this study was to predict chronic pain acceptance and engagement in activities at one-year follow-up with pain intensity, fear of movement, perceived responses from significant others, outcome expectancies, and demographic variables in patients with WAD before and after multimodal rehabilitation (MMR)...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155341/outpatient-elective-posterior-lumbar-fusions-appear-to-be-safely-considered-for-appropriately-selected-patients
#9
Patawut Bovonratwet, Taylor D Ottesen, Raj J Gala, Daniel R Rubio, Nathaniel T Ondeck, Ryan P McLynn, Jonathan N Grauer
BACKGROUND CONTEXT: There has been growing interest in performing posterior lumbar fusions (PLFs) in the outpatient setting to optimize patient satisfaction and reduce cost. Although still done in only a small percentage of cases, this has been more possible due to advances in surgical techniques and anesthesia. However, data on the perioperative course of outpatient compared to inpatient PLF in a large sample size is scarce. PURPOSE: To compare perioperative complications between outpatient and inpatient PLF in the American College of Surgeons National Surgical Quality Improvement Program (NSQIP) database...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155340/ambulatory-anterior-cervical-discectomy-and-fusion-is-associated-with-a-higher-risk-of-revision-surgery-and-perioperative-complications-an-analysis-of-a-large-nationwide-database
#10
Armin Arshi, Christopher Wang, Howard Y Park, Gideon W Blumstein, Zorica Buser, Jeffrey C Wang, Arya N Shamie, Don Y Park
BACKGROUND CONTEXT: With the changing landscape of healthcare, outpatient spine surgery is being more commonly performed to reduce cost and improve efficiency. Anterior cervical discectomy and fusion (ACDF) is one of the most common spine surgeries performed and demand is expected to increase with an aging population. PURPOSE: To determine the nationwide trends and relative complication rates associated with outpatient ACDF. STUDY DESIGN/SETTING: Large-scale retrospective case control study PATIENT SAMPLE: Humana-insured patients who underwent 1-2 level ACDF as either outpatients or inpatients from 2011-2016 OUTCOME MEASURES: Incidence and adjusted odds ratio (OR) of postoperative medical and surgical complications within one year of the index surgery METHODS: A retrospective review was performed of the PearlDiver® Humana insurance records database to identify patients undergoing 1-2 level ACDF (CPT-22551 AND ICD-9-816...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155339/body-mass-index-predicts-risk-of-complications-in-lumbar-spine-surgery-based-on-surgical-invasiveness
#11
Olivia J Bono, Gregory W Poorman, Norah Foster, Cyrus M Jalai, Samantha R Horn, Jonathan Oren, Alexandra Soroceanu, Subaraman Ramachandran, Taylor E Purvis, Deeptee Jain, Shaleen Vira, Bassel G Diebo, Breton Line, Daniel M Sciubba, Themistocles S Protopsaltis, Aaron J Buckland, Thomas J Errico, Virginie Lafage, Shay Bess, Peter G Passias
BACKGROUND CONTEXT: Obesity as a comorbidity in spine pathology may increase the risk of complications following surgical treatment. The BMI threshold at which obesity becomes clinically relevant, and the exact nature of that effect, remains poorly understood. PURPOSE: Identify the body mass index (BMI) that independently predicts risk of postoperative complications following lumbar spine surgery. STUDY DESIGN/SETTING: Retrospective review of the National Surgery Quality Improvement Program (NSQIP) years 2011-2013...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155254/association-of-riluzole-and-dantrolene-improves-significant-recovery-after-acute-spinal-cord-injury-in-rats
#12
Bernardo De Caro Martins, Bruno Benetti Junta Torres, Karen Maciel de Oliveira, Mario Sergio Lavor, Carla Maria Osório, Fabiola Bono Fukushima, Isabel Rodrigues Rosado, Eliane Gonçalves de Melo
BACKGROUND CONTEXT: Damage to the spinal cord can result in irreversible impairment or complete loss of motor, sensory, and autonomic functions. Riluzole and dantrolene have been shown to provide neuroprotection by reducing neuronal apoptosis after brain and spinal cord injury (SCI) in several animal models of neurological disorders. As these drugs protect the injured spinal cord through different mechanisms, we investigated the cumulative effects of riluzole and dantrolene. PURPOSE: This study aimed to investigate the neuroprotective efficacy of the combined administration of riluzole and dantrolene in experimental thoracic SCI...
November 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155253/the-association-of-inflammatory-bowel-disease-and-immediate-postoperative-outcomes-following-lumbar-fusion
#13
Joseph E Tanenbaum, Stephanie T Kha, Edward C Benzel, Michael P Steinmetz, Thomas E Mroz
BACKGROUND CONTEXT: The United States Centers for Disease Control estimates the prevalence of inflammatory bowel disease (IBD) at over 3.1 million people. As diagnostic techniques and treatment options for IBD improve, the prevalence of IBD is expected to increase. For spine surgeons, patients with IBD have a unique complication profile because IBD patients may present with poor nutritional status and because the medications used to manage IBD have been associated with poor vertebral bone mineralization and immunosuppression...
November 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155252/3d-visualization-and-pathological-characteristics-of-cartilage-and-subchondral-bone-changes-in-the-lumbar-facet-joint-of-an-ovariectomized-mouse-model
#14
Chunyue Duan, Shuangfei Ni, Yong Cao, Shenghui Liao, Jianzhong Hu, Tianding Wu
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 3D 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 3D morphological change of cartilage and subchondral bone in LFJ of an OVX mouse model...
November 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155251/the-rothman-index-as-a-predictor-of-post-discharge-adverse-events-after-elective-spine-surgery
#15
Ryan P McLynn, Nathaniel T Ondeck, Jonathan J Cui, David R Swanson, Blake N Shultz, Patawut Bovonratwet, Jonathan N Grauer
BACKGROUND CONTEXT: The Rothman Index (RI) is a comprehensive rating of overall patient condition in the hospital setting. It is used at many medical centers and calculated based on vital signs, lab values, and nursing assessments in the electronic medical record. Past research has demonstrated an association with adverse events, readmission, and mortality in other fields, but it has not been investigated in spine surgery. PURPOSE: To determine the potential utility of the RI as a predictor of adverse events after discharge following elective spine surgery...
November 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155001/postoperative-pain-following-posterior-iliac-crest-bone-graft-harvesting-in-spine-surgery-a-prospective-randomized-trial
#16
Evan D Sheha, Dennis S Meredith, Grant D Shifflett, Benjamin T Bjerke, Sravisht Iyer, Jennifer Shue, Joseph Nguyen, Russel C Huang
BACKGROUND CONTEXT: Post-operative pain at the site of bone graft harvest for posterior spine fusion is reported to occur in 6% to 39% of cases. However, the area around the posterior, superior iliac spine is a frequent site of referred pain for many structures. Therefore, many postoperative spine patients may have pain in the vicinity of the posterior iliac crest that may not in fact be caused by bone graft harvesting. The literature may then overestimate the true incidence of postoperative iliac crest pain...
November 14, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155000/role-of-cerebrolysin-%C3%A2-in-cervical-spondylotic-myelopathy-patients-a-prospective-randomized-study
#17
Ahmad Fouad Abdelbaki Allam, Tarek Abdalla Ahmed Abotakia, Wael Koptan
BACKGROUND CONTEXT: Cerebrolysin(®) is a mixture containing 85% free amino acids and 15% biologically active low-molecular weight peptides, that is believed to mimic the effects of endogenous neurotrophic factors to interact with the pathological process cascade of neurodegenerative diseases. No study has examined the effect of Cerebrolysin(®) on the cervical myelopathic patients. PURPOSE: To evaluate the effect of cerebrolysin(®) as a conservative modality on cervical spondylotic myelopathic patients...
November 14, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29154999/kinematic-analysis-of-the-space-available-for-cord-and-disc-bulging-of-the-thoracic-spine-using-kinematic-magnetic-resonance-imaging-kmri
#18
Permsak Paholpak, Ishan Shah, Lou-Anne Acevedo-Moreno, Koji Tamai, Jeffrey C Wang, Zorica Buser
BACKGROUND CONTEXT: The thoracic spine was previously known as a relatively stable region in human spine. Several studies reported motion of the thoracic spine and changes in the cross-sectional area of the spinal cord changed with positions in sagittal plane. The kinematic relationship between the thoracic disc and space available for cord with the positional change is still not well investigated. PURPOSE: To evaluate the kinematic change of the intervertebral disc and space available for the spinal cord of the thoracic spine using kMRI...
November 14, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29154998/intraoperative-vertebroplasty-during-surgical-decompression-and-instrumentation-for-aggressive-vertebral-hemangiomas-a-retrospective-study-of-39-patients-and-review-of-the-literature
#19
Ben Wang, Song Bo Han, Liang Jiang, Xiao Guang Liu, Shao Min Yang, Na Meng, Feng Wei, Zhong Jun Liu
BACKGROUND CONTEXT: Aggressive (Enneking Stage 3, S3) vertebral hemangiomas (VHs) are rare, which might require surgery. However, the choice of surgery for S3 VHs remains controversial because of the rarity of these lesions. PURPOSE: We reported our experience of treating S3 VHs, and evaluated the effectiveness and safety of intraoperative vertebroplasty during decompression surgery for S3 VHs. STUDY DESIGN: This is a retrospective study. PATIENT SAMPLE: Thirty-nine patients with a definitive pathological diagnosis of aggressive VHs who underwent primary decompression surgery in our department were included in this study...
November 14, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29154997/kyphoplasty-for-osteoporotic-vertebral-fractures-with-posterior-wall-injury
#20
Ahmed Shawky, Ali Ezzati, Ramachandran Govindasamy, Branko Krajnovic, Belal El-Nady, Galal Zaki Said
BACKGROUND: Cement augmentation techniques are standard treatments for osteoporotic vertebral fractures. Compared to vertebroplasty, kyphoplasty is associated with lower rates of cement leak and better deformity correction, however, posterior wall fractures are relative, but not absolute, contraindications for both techniques and hence treatment practices vary among spine centers. PURPOSE: The primary aim of this study was to assess our center's incidence of posterior cement leakage in osteoporotic vertebral fractures with posterior wall injury treated by balloon kyphoplasty...
November 14, 2017: Spine Journal: Official Journal of the North American Spine Society
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