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https://www.readbyqxmd.com/read/28229033/an-innovative-use-of-cortoss-bone-cement-to-stabilize-a-nonunion-after-interbody-fusion
#1
Michelle Granville, Robert E Jacobson
A 65-year-old male originally had surgery for spondylolisthesis at L5-S1 in 2008 and then went on to have an L4-5 transforaminal lumbar interbody fusion (TLIF) with pedicle screw fixation from L4 to S1 and interbody graft in 2010. Despite having two surgical procedures, he continued with intractable back pain and was told he had a failed lumbar fusion. When he was evaluated with a computerized tomography (CT) scan from April 2015, it demonstrated an erosive nonunion of the L4-5 interbody fusion without incorporation of the polyetheretherketone (PEEK) cage...
January 20, 2017: Curēus
https://www.readbyqxmd.com/read/28225365/magnitude-location-and-factors-related-to-regional-and-global-sagittal-alignment-change-in-long-adult-deformity-constructs-report-of-183-patients-with-2-year-follow-up
#2
Alexander A Theologis, Michael Safaee, Justin K Scheer, Virginie Lafage, Rick Hostin, Robert A Hart, Eric O Klineberg, Themistocles S Protopsaltis, Vedat Deviren, Douglas C Burton, Daniel M Sciubba, Khaled Kebaish, Shay Bess, Christopher I Shaffrey, Frank Schwab, Justin S Smith, Christopher P Ames
STUDY DESIGN: This is a retrospective review of a prospective multicenter adult spinal deformity (ASD) database. OBJECTIVE: To quantify the location and magnitude of sagittal alignment changes within instrumented and noninstrumented spinal segments and to investigate the factors associated with these changes after surgery for ASD. SUMMARY OF BACKGROUND DATA: Spinal realignment is one of the major goals in ASD surgery and changes in the alignment are common following surgical correction...
February 20, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28221177/semirigid-waved-rod-system-for-the-treatment-of-the-degenerative-lumbar-diseases
#3
Lei Wang, Dasheng Lin, Weitao Zou, Hui Liu, Kejian Lian
BACKGROUND: The semirigid pedicle screw instrumentation has gained wide popularity in recent decennium in lumbar fusion surgery. However, few data were documented to compare the clinical efficacy between semirigid and traditional rigid pedicle screw systems. MATERIALS AND METHODS: A total of 96 patients with degenerative lumbar diseases were selected to perform operations between 2008 and 2013. The patients were prospectively randomized into 2 groups: 50 patients were managed by semirigid waved rod systems and 46 patients were intervened by traditional rigid straight stiff rod systems...
February 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28219305/biomechanical-comparison-between-cortical-screw-rod-construct-versus-pedicle-screw-rod-construct-in-transforaminal-lumbar-interbody-fusion
#4
Chris Chan Yin Wei, Sem Sei Haw, Elrofai Suliman Bashir, Saw Lim Beng, Rukmanikanthan Shanmugam, Kwan Mun Keong
OBJECTIVE: To compare construct stiffness of cortical screw (CS)-rod transforaminal lumbar interbody fusion (TLIF) construct (G2) versus pedicle screw (PS)-rod TLIF construct (G1) in the standardized porcine lumbar spine. METHODS: Six porcine lumbar spines (L2-L5) were separated into 12 functional spine units. Bilateral total facetectomies and interlaminar decompression were performed for all specimens. Non-destructive loading to assess stiffness in lateral bending, flexion and extension as well as axial rotation was performed using a universal material testing machine...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28215460/early-experience-with-lateral-lumbar-total-disc-replacement-utility-complications-and-revision-strategies
#5
Gregory M Malham, Rhiannon M Parker
Lumbar total disc replacement (TDR) is an alternative to interbody fusion for the treatment of symptomatic degenerative disc disease. Traditionally, lumbar TDR is performed via an anterior retroperitoneal approach with regional risks of vascular and visceral injury. The direct lateral retroperitoneal, transpsoas approach avoids mobilisation of the great vessels and preserves the anterior longitudinal ligament, thereby maintaining physiological limits on motion. This study aimed to (i) report one site's early experience with lateral lumbar TDR and (ii) provide case examples illustrating the utility, complications and revision strategies of the XL-TDR device...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28213694/erratum-to-first-clinical-results-of-minimally-invasive-vector-lumbar-interbody-fusion-mis-vlif-in-spondylodiscitis-and-concomitant-osteoporosis-a-technical-note
#6
Bernhard Rieger, Hongzhen Jiang, Daniel Ruess, Clemens Reinshagen, Marek Molcanyi, Jozef Zivcak, Huaiyu Tong, Gabriele Schackert
No abstract text is available yet for this article.
February 17, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28207762/minimally-invasive-procedure-reduces-adjacent-segment-degeneration-and-disease-new-benefit-based-global-meta-analysis
#7
Xiao-Chuan Li, Chun-Ming Huang, Cheng-Fan Zhong, Rong-Wei Liang, Shao-Jian Luo
OBJECTIVE: Adjacent segment pathology (ASP) is a common complication presenting in patients with axial pain and dysfunction, requiring treatment or follow-up surgery. However, whether minimally invasive surgery (MIS), including MIS transforaminal / posterior lumbar interbody fusion (MIS-TLIF/PLIF) decreases the incidence rate of ASP remains unknown. The aim of this meta-analysis was to compare the incidence rate of ASP in patients undergoing MIS versus open procedures. METHODS: This systematic review was undertaken by following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Statement...
2017: PloS One
https://www.readbyqxmd.com/read/28207655/internally-randomized-control-trial-of-radiation-exposure-using-ultra-low-radiation-imaging-versus-traditional-c-arm-fluoroscopy-for-patients-undergoing-single-level-minimally-invasive-transforaminal-lumbar-interbody-fusion
#8
Timothy Y Wang, S Harrison Farber, Scott S Perkins, Adam G Back, Sarah A Byrd, Debbie Chi, David Vincent, Isaac O Karikari
STUDY DESIGN: Randomized controlled trial. OBJECTIVE: To compare radiation exposure between ultra-low radiation imaging (ULRI) with image enhancement and standard-dose fluoroscopy for patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). SUMMARY OF BACKGROUND DATA: Although the benefits of MIS are lauded by many, there is a significant amount of radiation exposure to surgeon and operating room personnel...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28207623/feasibility-of-percutaneous-posterolateral-spinal-fusion-with-recombinant-bone-morphogenetic-protein-2-rhbmp-2-a-comparison-with-standard-methods-using-an-animal-model-study
#9
Chris Yin Wei Chan, Mun Keong Kwan, Lim Beng Saw, Hussin Paisal
BACKGROUND CONTEXT: The clinical application of recombinant bone morphogenetic protein in spinal surgery has been shown to be safe and effective. However, its use in minimally invasive spine surgery has been limited to anterior interbody fusion procedures. To date, no study has evaluated the feasibility of percutaneous posterolateral fusion in the spine utilizing recombinant bone morphogenetic protein-2 (rhBMP-2). PURPOSE: To evaluate the feasibility of percutaneous posterolateral fusion in the spine utilizing rhBMP-2...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28207620/maintenance-of-segmental-lordosis-and-disk-height-in-stand-alone-and-instrumented-extreme-lateral-interbody-fusion-xlif
#10
Gregory M Malham, Ngaire J Ellis, Rhiannon M Parker, Carl M Blecher, Rohan White, Ben Goss, Kevin A Seex
STUDY DESIGN: A prospective single-surgeon nonrandomized clinical study. OBJECTIVE: To evaluate the radiographic and clinical outcomes, by fixation type, in extreme lateral interbody fusion (XLIF) patients and provide an algorithm for determining patients suitable for stand-alone XLIF. SUMMARY OF BACKGROUND DATA: XLIF may be supplemented with pedicle screw fixation, however, since stabilizing structures remain intact, it is suggested that stand-alone XLIF can be used for certain indications...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28204925/circumferential-fusion-for-degenerative-lumbar-spondylolisthesis-complicated-by-distal-junctional-grade-4-spondylolisthesis-in-the-sub-acute-post-operative-setting
#11
Alexander A Theologis, Deeptee Jain, Christopher P Ames, Murat Pekmezci
INTRODUCTION: Surgical management for lumbar stenosis is generally safe and provides significant improvements in pain, disability, and function. Successful lumbar decompression hinges on removing an appropriate amount of lamina and other compressive pathology in the lateral recess. Too little bony decompression can result in persistent pain and disability, while over resection of the pars and/or facets may jeopardize spinal stability. CASE REPORT: In this unique report, we present for the first time an acute iatrogenic grade 4 L5-S1 spondylolisthesis distal to a L3-5 laminectomy and circumferential instrumented fusion due to bilateral iatrogenic L5 pars fractures and its management and clinical outcomes after revision operation...
February 15, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28202380/impact-of-surgical-site-infection-and-surgical-debridement-on-lumbar-arthrodesis-a-single-institution-analysis-of-incidence-and-risk-factors
#12
Timothy Y Wang, Adam G Back, Eliza Hompe, Kevin Wall, Oren N Gottfried
This study identifies the rate of pseudarthrosis following surgical debridement for deep lumbar spine surgical site infection and identify associated risk factors. Patients who underwent index lumbar fusion surgery from 2013 to 2014 were included if they met the following criteria: 1) age >18years, 2) had debridement of deep lumbar SSI, and had 3) lumbar spine AP, lateral and flexion/extension X-rays and computed tomography (CT) at 12months or greater postoperatively. Criteria for fusion included 1) solid posterolateral, facet, or disk space bridging bone, 2) no translational or angular motion on flexion/extension X-rays, and 3) intact posterior hardware without evidence of screw lucency or breakage...
February 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28202301/preoperative-assessment-of-the-ureter-with-dual-phase-contrast-enhanced-computed-tomography-for-lateral-lumbar-interbody-fusion-procedures
#13
Shunsuke Fujibayashi, Bungo Otsuki, Hiroaki Kimura, Shimei Tanida, Kazutaka Masamoto, Shuichi Matsuda
BACKGROUND: Performing the minimally invasive lateral lumbar interbody fusion (LIF), such as the extreme lateral interbody fusion (XLIF) and oblique lateral interbody fusion (OLIF), through a retroperitoneal approach has become increasingly popular. Although urological injury is a major complication of LIF, the anatomical location of the ureter and its risk of injury have not been assessed. The purpose of this study was to evaluate the efficacy of dual-phase contrast-enhanced computed tomography for assessing the location of the ureter and risk of its injury in consecutive LIF cases...
February 12, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28192498/correction-preserving-posterior-complex-can-prevent-adjacent-segment-disease-following-posterior-lumbar-interbody-fusion-surgeries-a-finite-element-analysis
#14
Yun-Peng Huang, Cheng-Fei Du, Cheng-Kung Cheng, Zheng-Cheng Zhong, Xuan-Wei Chen, Gui Wu, Zhe-Chen Li, Jin-Duo Ye, Jian-Hua Lin, Li Zhen Wang
[This corrects the article DOI: 10.1371/journal.pone.0166452.].
2017: PloS One
https://www.readbyqxmd.com/read/28191383/minimally-invasive-direct-lateral-interbody-fusion-mis-dlif-proof-of-concept-and-perioperative-results
#15
Hamid Abbasi, Ali Abbasi
BACKGROUND: Minimally invasive direct lateral interbody fusion (MIS-DLIF) is a novel approach for fusions of the lumbar spine. In this proof of concept study, we describe the surgical technique and report our experience and the perioperative outcomes of the first nine patients who underwent this procedure. STUDY DESIGN/SETTING: In this study we establish the safety and efficacy of this approach. MIS-DLIF was performed on 15 spinal levels in nine patients who failed to respond to conservative therapy for the treatment of a re-herniated disk, spondylolisthesis, or other severe disk disease of the lumbar spine...
January 14, 2017: Curēus
https://www.readbyqxmd.com/read/28187368/outcomes-of-autograft-alone-versus-peek-autograft-interbody-fusion-in-the-treatment-of-adult-lumbar-isthmic-spondylolisthesis
#16
Gang Wang, Dunfu Han, Zhenglin Cao, Honggang Guan, Tianhang Xuan
OBJECTIVES: Bone resulting from a complete resection of the posterior arch can be cut into an autograft bone that contains the facet joint structure and morselised bone for interbody fusion. However, whether a strut autograft that contains this trimmed facet joint can produce the same clinical and radiographic outcomes as a cage for interbody fusion remains unclear. The aim of this study was to compare the outcomes of a local facet joint autograft alone to those of polyetheretherketone (PEEK)+autograft for posterior lumbar interbody fusion (PLIF) in the treatment of adult isthmic spondylolisthesis...
January 31, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28186136/foxo1-suppressed-mir-424-regulates-the-proliferation-and-osteogenic-differentiation-of-mscs-by-targeting-fgf2-under-oxidative-stress
#17
Liangping Li, Qihua Qi, Jiaquan Luo, Sheng Huang, Zemin Ling, Manman Gao, Zhiyu Zhou, Maik Stiehler, Xuenong Zou
Recently, microRNAs (miRNAs) have been identified as key regulators of the proliferation and differentiation of mesenchymal stem cells (MSCs). Our previous in vivo study and other in vitro studies using miRNA microarrays suggest that miR-424 is involved in the regulation of bone formation. However, the role and mechanism of miR-424 in bone formation still remain unknown. Here, we identified that the downregulation of miR-424 mediates bone formation under oxidative stress, and we explored its underlying mechanism...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28176906/comparison-of-outcomes-between-minimally-invasive-transforaminal-lumbar-interbody-fusion-and-traditional-posterior-lumbar-intervertebral-fusion-in-obese-patients-with-lumbar-disk-prolapse
#18
Ya-Peng Wang, Ji-Long An, Ya-Peng Sun, Wen-Yuan Ding, Yong Shen, Wei Zhang
OBJECTIVE: The aim of this study was to compare the curative effect between minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) and the posterior lumbar interbody fusion (PLIF) in obese patients with lumbar disk prolapse. PATIENTS AND METHODS: In this study, 72 patients who underwent lumbar disk prolapse therapy in the Third Hospital of Hebei Medical University between March 2011 and 2015 were retrospectively analyzed and were divided into two groups, MIS-TLIF group (n=35) and PLIF group (n=37), according to different surgical procedures...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28175500/314%C3%A2-minimally-invasive-oblique-lateral-interbody-fusion-for-l4-5-clinical-outcomes-and-perioperative-complications
#19
Jin-Sung Kim, Won Suh Choi, Ji Hoon Sung
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28175445/165%C3%A2-what-is-the-effect-of-open-vs-percutaneous-screws-on-complications-among-patients-undergoing-lateral-interbody-fusion-for-adult-spinal-deformity
#20
Khoi Duc Than, Stacie Nguyen, Paul Park, Dean Chou, Frank La Marca, Juan S Uribe, Todd Douglas Vogel, Pierce D Nunley, Robert Eastlack, Neel Anand, Adam S Kanter, Praveen V Mummaneni, Gregory M Mundis
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
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