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Spine

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https://www.readbyqxmd.com/read/28092341/unilateral-spinous-process-non-covering-hook-type-patient-specific-drill-template-for-thoracic-pedicle-screw-fixation-a-pilot-clinical-trial-and-template-classification
#1
Sang Bum Kim, Yougun Won, Hyun Jin Yoo, Lee Jae Sin, John M Rhee, Sang Wook Lee, Gi-Soo Lee
STUDY DESIGN: Prospective Clinical Pilot tudy OBJECTIVE.: To confirm the accuracy of thoracic pedicle screw placement by using the unilateral spinous non-covering hook type patient-specific drill template (PSDT) made through rapid prototyping (RP) and to analyze previously reported PSDT designs and their characteristics. SUMMARY OF BACKGROUND DATA: Pedicle screw fixation is the most common form of the posterior instrumentation of the thoracic and lumbar spine. Various techniques have been introduced to improve pedicle screw placement...
January 13, 2017: Spine
https://www.readbyqxmd.com/read/28092340/decompression-surgery-alone-versus-decompression-plus-fusion-in-symptomatic-lumbar-spinal-stenosis-a-swiss-prospective-multi-center-cohort-study-with-3-years-of-follow-up
#2
Nils H Ulrich, Jakob M Burgstaller, Giuseppe Pichierri, Maria M Wertli, Mazda Farshad, François Porchet, Johann Steurer, Ulrike Held
STUDY DESIGN: Retrospective analysis of a prospective, multicenter cohort study. OBJECTIVE: To estimate the added effect of surgical fusion as compared to decompression surgery alone in symptomatic lumbar spinal stenosis patients with spondylolisthesis. SUMMARY OF BACKGROUND DATA: The optimal surgical management of lumbar spinal stenosis patients with spondylolisthesis remains controversial. METHODS: Patients of the LSOS with confirmed DLSS and spondylolisthesis were enrolled in this study...
January 13, 2017: Spine
https://www.readbyqxmd.com/read/28079724/explaining-how-cognitive-behavioural-approaches-work-for-low-back-pain-mediation-analysis-of-the-back-skills-training-trial
#3
Bethany Fordham, Chen Ji, Zara Hansen, Ranjit Lall, Sarah E Lamb
STUDY DESIGN: .: This is secondary research examining the longitudinal mediation effect within a structural equation model. OBJECTIVE: .: To identify possible mechanisms which mediate the effects of a cognitive behavioural approach upon disability and pain in low back pain patients. SUMMARY OF BACKGROUND DATA: .: Cognitive behavioural interventions (CBIs) can improve pain and disability in low back pain (LBP) but the mechanisms of action are unclear...
January 10, 2017: Spine
https://www.readbyqxmd.com/read/28067697/national-administrative-databases-in-adult-spinal-deformity-surgery-a-cautionary-tale
#4
Aaron J Buckland, Gregory Poorman, Robert Freitag, Cyrus Jalai, Eric O Klineberg, Michael Kelly, Peter G Passias
STUDY DESIGN: Comparison between national administrative databases and a prospective multicenter physician managed database. OBJECTIVES: This study aims to assess the applicability of National Administrative Databases (NADs) in Adult Spinal Deformity (ASD). Our hypothesis is that NADs do not include comparable patients as in a physician-managed database (PMD) for surgical outcomes in adult spinal deformity. SUMMARY OF BACKGROUND DATA: NADs such as National Inpatient Sample (NIS) and National Surgical Quality Improvement Program (NSQIP) provide large numbers of publications owing to ease of data access and lack of IRB approval requirement...
January 6, 2017: Spine
https://www.readbyqxmd.com/read/28067696/multidisciplinary-evaluation-leads-to-the-decreased-utilization-of-lumbar-spine-fusion-an-observational-cohort-pilot-study
#5
Vijay Yanamadala, Yourie Kim, Quinlan D Buchlak, Anna K Wright, James Babington, Andrew Friedman, Robert S Mecklenburg, Farrokh Farrokhi, Jean-Christophe Leveque, Rajiv K Sethi
STUDY DESIGN: Observational cohort pilot study. OBJECTIVE: To determine the impact of multidisciplinary conference on treatment decisions for lumbar degenerative spine disease. SUMMARY OF BACKGROUND DATA: Multidisciplinary decision making improves outcomes in many disciplines. The lack of integrated systems for comprehensive care for spinal disorders has contributed to the inappropriate overutilization of spine surgery in the United States...
January 6, 2017: Spine
https://www.readbyqxmd.com/read/28059982/morbidity-of-adult-spinal-deformity-surgery-in-elderly-has-declined-over-time
#6
Peter G Passias, Gregory W Poorman, Cyrus M Jalai, Brian Neuman, Rafael de la Garza-Ramos, Emily Miller, Amit Jain, Daniel Sciubba, Shearwood McClelland, Louis Day, Subbu Ramachadran, Shaleen Vira, Bassel Diebo, Evan Isaacs, Olivia Bono, Shay Bess, Michael Gerling, Virginie Lafage
STUDY DESIGN: A retrospective review of a prospectively collected database, the Nationwide Inpatient Sample (NIS), years 2003 to 2012. OBJECTIVES: The aim of this study was to examine trends in the management of scoliosis in elderly (age >75 yrs) patients from 2003 to 2012. SUMMARY OF BACKGROUND DATA: Scoliosis incidence rises with increasing age, and age has been shown to be an independent risk factor for surgical complications in scoliosis surgery...
January 4, 2017: Spine
https://www.readbyqxmd.com/read/28045881/associations-between-low-back-pain-and-muscle-strengthening-activity-in-u-s-adults
#7
Albatool H Alnojeidi, Tammie M Johnson, Michael R Richardson, James R Churilla
STUDY DESIGN: This was a cross-sectional study. OBJECTIVE: The primary aim of the study was to examine the association between LBP and MSA among U.S. adults using gender-stratified analyses. SUMMARY OF BACKGROUND DATA: Low back pain (LBP) is a common medical condition that impacts quality of life and professional productivity and increasesthe financial burden on the healthcare system by augmenting medical treatment costs. Previous studies analyzing gender-dependent relationships between muscle-strengthening activity (MSA) and LBP have produced mixed results...
December 30, 2016: Spine
https://www.readbyqxmd.com/read/28027083/reply-to-commentary-on-comparison-of-clinical-and-radiographic-outcomes-in-patients-receiving-transforaminal-lumbar-interbody-fusion-with-removal-of-unilateral-or-bilateral-facet-joints
#8
https://www.readbyqxmd.com/read/28027082/letter
#9
Yong T Jun
No abstract text is available yet for this article.
December 23, 2016: Spine
https://www.readbyqxmd.com/read/28009753/efficacy-and-safety-of-selective-arterial-embolization-in-the-treatment-of-aneurysmal-bone-cyst-of-the-mobile-spine-a-retrospective-observational-study
#10
Silvia Terzi, Alessandro Gasbarrini, Mario Fuiano, Giovanni Barbanti Brodano, Riccardo Ghermandi, Stefano Bandiera, Stefano Boriani
STUDY DESIGN: Retrospective observational study. OBJECTIVE: Our aim is to define the efficacy and safety of serial selective arterial embolization (SAE) in the treatment of aneurysmal bone cysts, to explore potential treatment alternatives and to define a therapeutic algorithm. SUMMARY OF BACKGROUND DATA: Aneurysmal bone cyst (ABC) is a benign lesion with unpredictable behavior. Its treatment is challenging especially in poorly accessible surgical areas, such as spine and pelvis...
December 22, 2016: Spine
https://www.readbyqxmd.com/read/27997510/a-whole-exome-study-identifies-novel-candidate-genes-for-vertebral-bone-marrow-signal-changes-modic-changes
#11
Minna Kraatari, Sini Skarp, Niinimäki Jaakko, Jaro Karppinen, Minna Männikkö
STUDY DESIGN: Family-based study OBJECTIVE.: To identify rare genetic factors predisposing to Modic changes (MC). SUMMARY OF BACKGROUND DATA: Lumbar disc degeneration (LDD) is one of the contributing factors behind low back pain (LBP). Lumbar MC visualized as bone marrow signal intensity changes on magnetic resonance imaging (MRI) represent a specific phenotype of LDD, which has stronger association with LBP than LDD without MC. METHODS: The study set consisted of two Finnish families: Family I included seven affected and four unaffected individuals and Family II eight affected and seven unaffected individuals...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27997509/minimally-invasive-placement-of-spinal-cord-stimulator-paddle-electrodes-is-associated-with-improved-perioperative-and-long-term-experience-among-neuropathic-pain-patients
#12
Mohammed F Shamji, Darcia Paul, Alina Shcharinsky
STUDY DESIGN: Prospective, observational cohort study. OBJECTIVE: This study compared in-hospital and long-term outcomes among SCS patients undergoing paddle insertion by open or MIS approaches. SUMMARY OF BACKGROUND DATA: Patients with treatment-refractory extremity neuropathic pain may benefit from spinal cord stimulation (SCS). Conventional placement of surgical paddles for an external neurostimulation trial is through open laminectomy, but minimally-invasive surgery (MIS) techniques may offer advantages...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27997508/cost-variation-of-anterior-cervical-fusions-in-elderly-medicare-beneficiaries
#13
Varun Puvanesarajah, David J Kirby, Amit Jain, Brian C Werner, Hamid Hassanzadeh
STUDY DESIGN: Retrospective database review OBJECTIVE.: To determine how demographics and comorbid diagnoses influence hospital costs during admission for anterior cervical fusions (ACFs) in the elderly Medicare population. SUMMARY OF BACKGROUND DATA: Elective ACFs to treat degenerative cervical pathology are extremely common within the elderly population. Though it is well known that every patient has a significantly different medical profile that guides treatment and post-operative care, little information is available regarding how hospital costs vary from patient to patient...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27997507/the-prevalence-and-risk-factors-of-iliac-screw-loosening-after-adult-spinal-deformity-surgery
#14
Tomohiro Banno, Tomohiko Hasegawa, Yu Yamato, Sho Kobayashi, Daisuke Togawa, Shin Oe, Yuki Mihara, Yukihiro Matsuyama
STUDY DESIGN: A retrospective study. OBJECTIVE: We investigated the prevalence of iliac screw loosening and determined risk factors after adult spinal deformity (ASD) surgery. SUMMARY OF BACKGROUND DATA: Lumbosacral fixation is crucial to maintain optimal sagittal alignment. Iliac screws are commonly placed to provide protection for sacral pedicle screws. Radiolucent areas around the screws indicate fixation loss and pseudarthrosis. METHODS: Seventy-two ASD patients (13 men, 59 women; mean age, 69...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27997506/response-commentary-to-the-editor-regarding-cervical-disc-arthroplasty-versus-anterior-cervical-discectomy-and-fusion-for-incidence-of-symptomatic-adjacent-segment-disease-a-meta-analysis-of-prospective-randomized-controlled-trials-2016-spine-41-19-1493-502
#15
https://www.readbyqxmd.com/read/27997505/characterization-and-predictive-value-of-segmental-curve-flexibility-in-adolescent-idiopathic-scoliosis-patients
#16
Guanfeng Yao, Jason Pui Yin Cheung, Hideki Shigematsu, Søren Ohrt-Nissen, Kenneth M C Cheung, Keith D K Luk, Dino Samartzis
STUDY DESIGN: A prospective radiographic analysis of AIS patients managed with alternate-level pedicle screw fixation was performed. OBJECTIVE: The objective of this study was to characterize segmental curve flexibility and to determine its predictive value in curve correction in adolescent idiopathic scoliosis (AIS) patients. SUMMARY OF BACKGROUND DATA: Little is known regarding the distinct segmental curve characteristics and their ability to predict curve correction in patients with AIS...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27997504/surgical-treatment-of-primary-osteosarcoma-of-the-sacrum-a-case-series-of-26-patients
#17
Yifei Wang, Wei Guo, Danhua Shen, Xiaodong Tang, Yi Yang, Tao Ji, Xiaolong Xu
STUDY DESIGN: Twenty-six patients were treated surgically for sacral osteosarcomas in our center. The oncological and functional results are analyzed. OBJECTIVE: To describe the general characteristics and evaluate the outcome of surgical treatment of primary osteosarcoma of the sacrum. SUMMARY OF BACKGROUND DATA: Very few reports have addressed the technique and outcome of surgical treatment of primary sacral osteosarcoma. The survival rate of such cases is low...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27997503/dose-dependent-nerve-inflammatory-response-to-rhbmp-2-in-a-rodent-spinal-nerve-model
#18
Z Q G Liau, R W Lam, T M Hu, H K Wong
STUDY DESIGN: We developed a spinal nerve root wrapping rodent model to evaluate the relationship between recombinant human bone morphogenetic protein 2 (rhBMP-2) dosage and the degree of inflammation. OBJECTIVE: To investigate the direct effects of recombinant human bone morphogenetic protein 2 (rhBMP-2) dosage and the degree of inflammation in rodent spinal nerve roots. SUMMARY OF BACKGROUND DATA: rhBMP-2 is commonly used in clinical practice to augment spinal fusion...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27926673/guideline-for-c1-lateral-mass-and-c2-pedicle-screw-choices-in-children-younger-than-6-years
#19
Daoyang Fan, Ruipeng Song, Min Zhang, Ruimin Bai, Yue Li, Zhen Zhang, Han Wu, Yuqiang Wang, Liang Zhao, Wenfei Gao, Hui Dong, Wensheng Liao, Yilin Liu, Yi Zhang, Limin Wang, Weidong Wang
STUDY DESIGN: Prospective study. OBJECTIVE: To analyze the most feasible choice of C1 lateral mass (C1LM) and C2 pedicle (C2P) screw in upper cervical surgeries for children younger than 6 years. SUMMARY OF BACKGROUND DATA: The C1LM and C2P screw technique is a stable cervical vertebrae internal fixation method in upper cervical surgery. Some tomographic studies have indicated the feasibility of insertion of C1LM and C2P screws in children...
December 6, 2016: Spine
https://www.readbyqxmd.com/read/27926672/mechanisms-predisposing-factors-and-prognosis-of-intra-operative-vertebral-subluxation-during-pedicle-subtraction-osteotomy-in-surgical-correction-of-thoracolumbar-kyphosis-secondary-to-ankylosing-spondylitis
#20
Bang-Ping Qian, Sai-Hu Mao, Jun Jiang, Bin Wang, Yong Qiu
STUDY DESIGN: A retrospective study. OBJECTIVE: To analyze the mechanisms, predisposing factors and prognosis of the intraoperative vertebral subluxation (VS) during pedicle subtraction osteotomy (PSO) for thoracolumbar kyphosis secondary to ankylosing spondylitis (AS). SUMMARY OF BACKGROUND DATA: VS is one of the most daunting challenges that surgeons encounter during PSO closure, especially in AS patients with ankylosed and mostly osteoporotic spine...
December 6, 2016: Spine
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