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Interbody Bone Fusion

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https://www.readbyqxmd.com/read/29779968/one-stage-posterior-debridement-and-fusion-combined-with-irrigation-and-drainage-for-the-treatment-of-postoperative-lumbar-spondylodiscitis
#1
Tao Zhang, Jianzhong Hu, Jianhuang Wu, Jinyang Liu, Shuangfei Ni, Chunyue Duan
OBJECTIVE: The aim of this study was to evaluate the clinical outcomes of one-stage posterior debridement, interbody fusion, and instrumentation, combined with irrigation and drainage, for treating lumbar spondylodiscitis. METHODS: The study included 23 patients (13 male and 10 female, mean age: 45 years) who had posterior debridement, interbody fusion, and instrumentation, followed by continuous closed irrigation and drainage for lumbar postoperative spondylodiscitis...
May 17, 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29735138/transpedicular-decompression-debridement-and-posterior-spinal-fusion-with-instrumentation-for-single-level-thoracic-spinal-tuberculosis-with-myelopathy-is-anterior-column-reconstruction-necessary
#2
Saumyajit Basu, Sri Krishna Chaitanya Kondety
OBJECTIVES: The purpose of this study is to study the safety and efficacy of single-stage transpedicular decompression/debridement and instrumented posterior spinal fusion for single-level thoracic spinal tuberculosis with myelopathy without anterior column reconstruction. SUMMARY OF BACKGROUND DATA: Existing literature has many reports of transpedicular decompression/debridement and instrumented posterior spinal fusion with anterior column reconstruction. The quoted loss of correction is around 2°, but there is no strong evidence analyzing the loss of kyphosis correction, assessment of fusion in the same, without anterior column reconstruction...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29732437/an-awake-minimally-invasive-fully-endoscopic-surgical-technique-for-treating-lumbar-radiculopathy-secondary-to-heterotopic-foraminal-bone-formation-after-a-minimally-invasive-transforaminal-lumbar-interbody-fusion-with-bmp-technical-note
#3
Albert Edward Telfeian
One complication associated with recombinant human bone morphogenetic protein (rhBMP-2) use in minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) is heterotopic bone growth at the neural foramen which results in the compression of neural structures. Here we present an awake, minimally invasive surgical approach for treating the radiculopathy that results from this excessive bone growth in the foramen. A 42-year-old male underwent a lumbar 4-sacral 1 MIS-TLIF by another surgeon. He did well in the initial postoperative period, but he began to note right leg pain and numbness in an L5 dermatomal pattern...
March 2018: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29724093/the-effect-of-postoperative-use-of-teriparatide-reducing-screw-loosening-in-osteoporotic-patients
#4
Jae Wook Kim, Seung Won Park, Young Baeg Kim, Myeong Jin Ko
Objective: The loosening of pedicle screws (PS) is one of the frequent problems of spinal surgery in the patients with osteoporosis. Previous studies had revealed that intermittent injection of teriparatide could reduce PS loosening by improving bone mass and quality when their patients took parathyroid hormone for a considerable duration before surgery. However, although the teriparatide is usually used after spine surgery in most clinical situations, there was no report on the efficacy of teriparatide treatment started after spine surgery...
May 4, 2018: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29710368/optimized-screw-trajectory-for-lumbar-cortical-bone-trajectory-pedicle-screws-based-on-clinical-outcome-evidence-favoring-the-buttress-effect-theory
#5
Shunji Asamoto, Kota Kojima, Michael Winking, Andreas Jödicke, Masayuki Ishikawa, Shinichi Ishihara, Wolfgang Deinsberger, Jun Muto, Makoto Nishiyama
BACKGROUND:  Cortical bone trajectory (CBT) is a relatively new technique for pedicle screw insertion in the field of spine surgery. Previous studies have demonstrated the significantly better pullout and toggle characteristics the new method offers, and it appears to have certain advantages over the widely used traditional trajectory. The mechanism of the pullout and toggle characteristics still remains unknown. PURPOSE:  To report the medium- to long-term follow-up findings of patients who underwent posterior lumbar interbody fusion or posterior lumbar fusion (PLIF/PLF) at our institution and to discuss the ideal screw trajectory when using this technique...
April 30, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29697601/lordosis-re-creation-in-tlif-and-plif-a-cadaveric-study-of-the-influence-of-surgical-bone-resection-and-cage-angle
#6
Peter A Robertson, William A Armstrong, Daniel L Woods, Jeremy J Rawlinson
STUDY DESIGN: Controlled cadaveric study of surgical technique in Transforaminal and Posterior Lumbar Interbody Fusion (TLIF & PLIF) OBJECTIVE.: To evaluate the contribution of surgical techniques and cage variables in lordosis re-creation in posterior interbody fusion (TLIF/PLIF). SUMMARY OF BACKGROUND DATA: The major contributors to lumbar lordosis are the lordotic lower lumbar discs. The pathologies requiring treatment with segmental fusion are frequently hypolordotic or kyphotic...
April 24, 2018: Spine
https://www.readbyqxmd.com/read/29673822/vascularized-spinous-process-graft-rotated-on-a-paraspinous-muscle-pedicle-for-lumbar-fusion-technique-description-and-early-clinical-experience
#7
Michael A Bohl, Kaith K Almefty, Mark C Preul, Jay D Turner, U Kumar Kakarla, Edward M Reece, Steve W Chang
BACKGROUND: Vascularized bone grafts (VBGs) are described as having superior osteogenicity, osteoconductivity, and osteoinductivity compared with other graft types, and have been used in high-risk patients to augment arthrodesis. Pedicled VBGs are rotated on an intact vascular pedicle and therefore maintain all the benefits of VBG, but avoid many of the challenges and additional morbidity of free-tissue transfer. This study describes a novel surgical technique for rotating vascularized spinous process into the posterolateral space for augmenting arthrodesis in patients undergoing posterolateral fusion (PLF)...
April 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29670905/cortical-bone-trajectory-screws-in-posterior-lumbar-interbody-fusion-minimally-invasive-surgery-for-maximal-muscle-sparing-a-prospective-comparative-study-with-the-traditional-open-technique
#8
Nicola Marengo, Marco Ajello, Michele Federico Pecoraro, Giulia Pilloni, Giovanni Vercelli, Fabio Cofano, Francesco Zenga, Alessandro Ducati, Diego Garbossa
Introduction: A prospective comparative study between classical posterior interbody fusion with peduncular screws and the new technique with divergent cortical screws was conducted. Material and Methods: Only patients with monosegmental degenerative disease were recruited into this study. We analyzed a cohort of 40 patients treated from January 2015 to March 2016 divided into 2 groups (20 patients went to traditional open surgery and 20 patients under mini-invasive strategy)...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29663147/cortical-bone-trajectory-screws-for-circumferential-arthrodesis-in-lumbar-degenerative-spine-clinical-and-radiological-outcomes-of-101-cases
#9
Nicola Marengo, Pedro Berjano, Fabio Cofano, Marco Ajello, Francesco Zenga, Giulia Pilloni, Federica Penner, Salvatore Petrone, Lorenzo Vay, Alessandro Ducati, Diego Garbossa
PURPOSE: The use of cortical bone trajectory (CBT) pedicle screws for circumferential interbody fusion represents a viable alternative for single-level procedure with reduced invasiveness and less tissue destruction than the traditional technique. In addition, CBT screws have a potentially stronger pullout strength because of the greater amount of cortical bone intercepted. Only few series exist evaluating clinical and radiological outcomes of CBT screws. METHODS: This is a retrospective cohort study...
April 16, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29662743/trends-analysis-of-rhbmp2-utilization-in-single-level-anterior-lumbar-interbody-fusion-in-the-united-states
#10
Lifeng Lao, Jeremiah R Cohen, Zorica Buser, Darrel S Brodke, S Tim Yoon, Jim A Youssef, Jong-Beom Park, Hans-Joerg Meisel, Jeffrey C Wang
Study Design: Retrospective case study. Objective: To evaluate the trends and demographics of recombinant human bone morphogenetic protein 2 (rhBMP2) utilization in single-level anterior lumbar interbody fusion (ALIF) in the United States. Methods: Patients who underwent single-level ALIF from 2005 to 2011 were identified by searching ICD-9 diagnosis and procedure codes in the PearlDiver Patient Records Database (PearlDiver Technologies, Fort Wayne, IN), a national database of orthopedic insurance records...
April 2018: Global Spine Journal
https://www.readbyqxmd.com/read/29652784/a-prospective-randomized-multicenter-study-comparing-silicated-calcium-phosphate-versus-bmp-2-synthetic-bone-graft-in-posterolateral-instrumented-lumbar-fusion-for-degenerative-spinal-disorders
#11
Marc Coughlan, Mark Davies, Adriaan K Mostert, Dharmin Nanda, Paul C Willems, Geoffrey Rosenberg, Richard Ferch
STUDY DESIGN: A prospective, Phase IV, multicenter, randomized study. OBJECTIVE: To compare vertebral fusion success rates following posterolateral fusion ((PLF)/posterolateral intertransverse fusion (PITF)) surgery. The surgical procedure combined posterior lumbar interbody fusion (PLIF) and PLF with internal fixation over one or two levels using silicated calcium phosphate (SiCaP) or bone morphogenetic protein (BMP)-2 as graft material in patients with a degenerative disorder of the lumbar spine...
April 12, 2018: Spine
https://www.readbyqxmd.com/read/29643712/surgical-results-of-a-one-stage-combined-anterior-lumbosacral-fusion-and-posterior-percutaneous-pedicle-screw-fixation
#12
Chien-Yuan Huang, Kuang-Ting Yeh, Tzai-Chiu Yu, Ru-Ping Lee, Ing-Ho Chen, Cheng-Huan Peng, Kuan-Lin Liu, Jen-Hung Wang, Wen-Tien Wu
Objectives: Lumbosacral fusion through either an anterior or a posterior approach to achieve good lordosis and stability is always a challenging surgical operation and is often accompanied by a higher rate of pseudarthrosis than when other lumbar segments are involved. This study evaluated the clinical and radiological results of lumbosacral fusions achieved through a combined anterior and posterior approach. Materials and Methods: From June 2008 to 2012, 20 patients who had L5-S1 instability and stenosis were consecutively treated, first by anterior interbody fusion using an allogenous strut bone graft through the pararectus approach and then by posterior pedicle screw fixation...
January 2018: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29626680/intra-operative-ct-navigational-assistance-for-transforaminal-endoscopic-decompression-of-heterotopic-foraminal-bone-formation-after-oblique-lumbar-interbody-fusion-technical-note
#13
Adetokunbo Oyelese, Albert E Telfeian, Ziya L Gokaslan, Thomas A Kosztowski, David Choi, Jared Fridley, Michael Galgano
Transforaminal endoscopic spine surgery is an emerging technique in spine surgery but offers two distinct challenges to spine surgeons looking to adopt it: 1) targeting spine pathology, and 2) understanding the endoscopic anatomy visualized through the endoscope. Intraoperative CT guided navigation is also an emerging technique in spine surgery that is becoming widely adopted for its benefits in assisting surgeons in localizing pathology and guided spine instrumentation placement. In this technical note, we describe a technique that utilizes intraoperative CT guided navigation concomitantly with a transforaminal endoscopic approach to decompress a Lumbar 4-5 foraminal heterotopic bone formation after an oblique lumbar interbody fusion...
April 4, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29618341/quantitative-analysis-of-near-implant-magnesium-accumulation-for-a-si-containing-coated-az31-cage-from-a-goat-cervical-spine-fusion-model
#14
Fan Zhang, Haocheng Xu, Hongli Wang, Fang Geng, Xiaosheng Ma, Minghao Shao, Shun Xu, Feizhou Lu, Jianyuan Jiang
BACKGROUND: Magnesium (Mg) released from Mg-based implants degradation is believed to be effective in improving osteogenesis, however, studies focusing on Mg-based interbody cages are limited and fusion success was never reported. As excessive Mg accumulation can inhibit new bone formation, this study is designed to explain the possible reasons for the fusion failure of Mg-based cages by analyzing the relationships between the intervertebral Mg accumulation and the resulting interbody fusion...
April 4, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29564921/hollow-modular-anchorage-hma-screws-for-anterior-transvertebral-fixation-in-high-grade-spondylolisthesis-cases-requiring-360-degrees-in-situ-fusion
#15
Matthias A König, Bronek M Boszczyk
OBJECTIVE: 360 degrees in-situ fusion for high-grade spondylolisthesis showed satisfying clinical long-term results. Combining anterior with posterior surgery increases fusion rates. Anteriorly inserted transvertebral HMA screws could be an alternative to strut graft constructs or cages, avoiding donor site complications. In addition, complete posterior muscle detachment is avoided and the injury risk of neural structures is minimized. This study investigates the use of HMA screws in this context...
March 22, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29564196/selection-of-tubular-and-endoscopic-transforaminal-disc-procedures-based-on-disc-size-location-and-characteristics
#16
REVIEW
Ovidiu Palea, Michelle Granville, Robert E Jacobson
The clinical effectiveness of percutaneous and transforaminal endoscopic discectomy procedures has been evaluated by the system used or compared to open laminectomy or micro-discectomy but are not evaluated based on the location and characteristics of the abnormal disc. This review proposes that outcomes are primarily related to disc size, biomechanics, location, and associated segmental fibrotic and bone changes as well as the surgeon's skill in using various systems rather than the specific system used...
January 20, 2018: Curēus
https://www.readbyqxmd.com/read/29559240/differences-in-3d-vs-2d-analysis-in-lumbar-spinal-fusion-simulations
#17
Hung-Wei Hsu, Maxim Bashkuev, Matthias Pumberger, Hendrik Schmidt
Lumbar interbody fusion is currently the gold standard in treating patients with disc degeneration or segmental instability. Despite it having been used for several decades, the non-union rate remains high. A failed fusion is frequently attributed to an inadequate mechanical environment after instrumentation. Finite element (FE) models can provide insights into the mechanics of the fusion process. Previous fusion simulations using FE models showed that the geometries and material of the cage can greatly influence the fusion outcome...
March 15, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29557926/stiffness-matters-part-ii-the-effects-of-plate-stiffness-on-load-sharing-and-the-progression-of-fusion-following-acdf-in-vivo
#18
Joshua M Peterson, Carolyn Chlebek, Ashley M Clough, Alexandra K Wells, Kathleen E Batzinger, John M Houston, Katerina Kradinova, Joseph C Glennon, Darryl J DiRisio, Eric H Ledet
STUDY DESIGN: Real time in vivo measurement of forces in the cervical spine of goats following anterior cervical discectomy and fusion (ACDF). OBJECTIVE: To measure interbody forces in the cervical spine during the time course of fusion following ACDF with plates of different stiffnesses. SUMMARY OF BACKGROUND DATA: Following ACDF, the biomechanics of the arthrodesis is largely dictated by the plate. The properties of the plate prescribe the extent of load-sharing through the disc space versus the extent of stress-shielding...
March 19, 2018: Spine
https://www.readbyqxmd.com/read/29548343/double-level-lumbar-spondylolysis-and-spondylolisthesis-a-retrospective-study
#19
Shengtao Zhang, Conglin Ye, Qi Lai, Xiaolong Yu, Xuqiang Liu, Tao Nie, Haibo Zhan, Min Dai, Bin Zhang
BACKGROUND: Lumbar spondylolysis and isthmic spondylolisthesis are common conditions. However, double-level lumbar spondylolysis and spondylolisthesis are rare. We report 24 cases of it along with a review of literature and a briefly description of the clinical and radiological features and integrated management of patients with this condition. METHODS: Of 1700 inpatients diagnosed with lumbar spondylolisthesis at our hospital between January 2008 and September 2015, we selected those with a diagnosis of double-level spondylolisthesis who underwent surgery...
March 16, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29547464/stiffness-matters-part-i-the-effects-of-plate-stiffness-on-the-biomechanics-of-acdf-in-vitro
#20
Joshua M Peterson, Carolyn Chlebek, Ashley M Clough, Alexandra K Wells, Eric H Ledet
STUDY DESIGN: In vitro biomechanical testing of human cadaveric cervical and goat cervical motion segments. OBJECTIVE: To measure the effects of plate stiffness on load-sharing, instantaneous axis of rotation (IAR), and posterior element loading after anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is intended to create an environment which facilitates sufficient stability and biomechanical conditions to promote bone formation...
March 15, 2018: Spine
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