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Interbody Bone Fusion

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https://www.readbyqxmd.com/read/29350010/-a-comparative-study-of-outcome-between-single-cage-and-double-cages-interbody-fusion-combined-with-pedicle-screw-fixation-in-treatment-of-isthmic-spondylolisthesis
#1
Hai-Tao Hou, Ya-Nan Wang, Shi-Ze Shao, Xiang-Peng Huang
OBJECTIVE: To compare the clinical effects of isthmic spondylolisthesis by a single cage or double cages interbody fusion combined with pedicle screw fixation. METHODS: The clinical data of 172 patients with isthmic spondylolisthesis underwent surgery from March 2000 to August 2008 were retrospectively analyzed. All cases underwent posterior pedicle screw fixation and interbody fusion, 89 cases with single cage fusion and 83 cases with double cages fusion. In single cage group, there were 56 males and 33 females, aged from 18 to 63 years old with an average of(41...
February 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29322970/minimally-invasive-transforaminal-lumbar-interbody-fusion-using-bone-cement-augmented-pedicle-screws-for-lumbar-spondylolisthesis-in-patients-with-osteoporosis-case-series-and-review-of-literature
#2
Venkata Ramesh Chandra Vemula, Bodapati Chandramowliswara Prasad, M A Jagadeesh, Jayachandar Vuttarkar, Sanjeev Kumar Akula
BACKGROUND: Instrumentation in patients with osteoporosis is challenging. Bone cement-augmented fenestrated pedicle screw fixation is a new procedure for fixation in the osteoporotic bone; and, applying minimally invasive techniques to the above is a challenging and novel concept. AIMS: To evaluate the clinical and radiological outcome of minimally invasive spine surgery transforaminal lumbar interbody fusion (MIS-TLIF) in patients with spondylolisthesis and poor bone quality, performed with rigid instrumentation using bone cement [poly(methylmethacrylate)]-augmented fenestrated pedicle screws...
January 2018: Neurology India
https://www.readbyqxmd.com/read/29288855/biomechanical-analysis-of-porous-additive-manufactured-cages-for-lateral-lumbar-interbody-fusion-a-finite-element-analysis
#3
Zhenjun Zhang, Hui Li, Guy R Fogel, Zhenhua Liao, Yang Li, Weiqiang Liu
BACKGROUND: A porous additive manufactured (AM) cage may provide stability similar to that of traditional solid cages, and may be beneficial to bone ingrowth. The biomechanical influence of various porous cages on stability, subsidence, stresses in cage, and facet contact force has not been fully described. The purpose of this study was to verify biomechanical effects of porous AM cages. METHODS: The surgical FE models with various cages were constructed. The partially porous titanium (PPT) cages and fully porous titanium (FPT) cages were applied...
December 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29260301/regional-hounsfield-unit-measurement-of-screw-trajectory-for-predicting-pedicle-screw-fixation-using-cortical-bone-trajectory-a-retrospective-cohort-study
#4
Keitaro Matsukawa, Yuichiro Abe, Yoshihide Yanai, Yoshiyuki Yato
BACKGROUND: The sufficiency of screw anchoring is a critical factor for achieving successful spinal fusion; however, no reliable method for predicting pedicle screw fixation has been established. Recently, Hounsfield units (HU) obtained from computed tomography (CT) was developed as a new reliable tool to determine the bone quality. The purpose of the present study was to demonstrate the utility of regional HU measurement of the screw trajectory to predict the primary and long-term fixation strength of pedicle screws...
December 19, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29238641/complication-rates-in-posterior-lumbar-interbody-fusion-plif-surgery-with-human-bone-morphogenetic-protein-2-medicare-population
#5
Raed Alobaidaan, Jeremiah R Cohen, Elizabeth L Lord, Zorica Buser, S Tim Yoon, Jim A Youssef, Jong-Beom Park, Darrel S Brodke, Jeffrey C Wang, Hans-Joerg Meisel
Study Design: Retrospective cohort study among Medicare beneficiaries who underwent posterior lumbar interbody fusion (PLIF) surgery. Objective: To identify the complication rates associated with the use of bone morphogenetic protein 2 (BMP2) in PLIF. Human BMP2 is commonly used in the "off-label" manner for various types of spine fusion procedures, including PLIF. However, recent studies have reported potential complications associated with the recombinant human BMP2 (rhBMP2) use in the posterior approach...
December 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29225416/getting-peek-to-stick-to-bone-the-development-of-porous-peek-for-interbody-fusion-devices
#6
F Brennan Torstrick, David L Safranski, J Kenneth Burkus, James L Chappuis, Christopher S D Lee, Robert E Guldberg, Ken Gall, Kathryn E Smith
Interbody fusion cages are routinely implanted during spinal fusion procedures to facilitate arthrodesis of a degenerated or unstable vertebral segment. Current cages are most commonly made from polyether-ether-ketone (PEEK) due to its favorable mechanical properties and imaging characteristics. However, the smooth surface of current PEEK cages may limit implant osseointegration and may inhibit successful fusion. We present the development and clinical application of the first commercially available porous PEEK fusion cage (COHERE®, Vertera, Inc...
September 2017: Techniques in Orthopaedics: TIO
https://www.readbyqxmd.com/read/29187182/sacroiliac-joint-tuberculosis-surgical-management-by-posterior-open-window-focal-debridement-and-joint-fusion
#7
Guo Zhu, Li-Yuan Jiang, Zhang Yi, Li Ping, Chun-Yue Duan, Cao Yong, Jin-Yang Liu, Jian-Zhong Hu
BACKGROUND: Sacroiliac joint tuberculosis(SJT) is relatively uncommon, but it may cause severe sacroiliac joint destruction and functional disorder. Few studies in the literature have been presented on SJT, reports of surgical treatment for SJT are even fewer. In this study, we retrospectively reviewed surgical management of patients with severe SJT of 3 different types and proposed to reveal the clinical manifestations and features and aim to determine the efficiency and security of such surgical treatment...
November 29, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29181342/early-loosening-of-spinal-rod-in-a-case-of-degenerative-grade-1-spondylolisthesis-treated-with-unilateral-pedicle-screw-fixation-and-transforaminal-cage-for-interbody-fusion
#8
Prasoon Kumar, Vishal Kumar, Rakesh John, Rajbahadur Sharma
Introduction: Unilateral pedicle screw fixation and transforaminal cage for interbody fusion are well-established form of treatment for lumbar spondylolisthesis. It is cost effective and has shown to have a comparable outcome to bilateral pedicle screw fixation. We present a case of unilateral pedicle screw fixation and transforaminal cage for interbody fusion in a patient of Grade 1 Degenerative spondylolisthesis who had an early implant failure, and try to assess the possible events leading to it...
July 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29155112/posterior-lumbar-interbody-fusion-with-3d-navigation-guided-cortical-bone-trajectory-screws-for-l4-5-degenerative-spondylolisthesis-1-year-clinical-and-radiographic-outcomes
#9
Ibrahim Hussain, Michael S Virk, Thomas W Link, Apostolos J Tsiouris, Eric Elowitz
No abstract text is available yet for this article.
November 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29145437/assessment-of-the-suitability-of-biodegradable-rods-for-use-in-posterior-lumbar-fusion-an-in-vitro-biomechanical-evaluation-and-finite-element-analysis
#10
Fon-Yih Tsuang, Yueh-Ying Hsieh, Yi-Jie Kuo, Chia-Hsien Chen, Feng-Huei Lin, Chen-Sheng Chen, Chang-Jung Chiang
Interbody fusion with posterior instrumentation is a common method for treating lumbar degenerative disc diseases. However, the high rigidity of the fusion construct may produce abnormal stresses at the adjacent segment and lead to adjacent segment degeneration (ASD). As such, biodegradable implants are becoming more popular for use in orthopaedic surgery. These implants offer sufficient stability for fusion but at a reduced stiffness. Tailored to degrade over a specific timeframe, biodegradable implants could potentially mitigate the drawbacks of conventional stiff constructs and reduce the loading on adjacent segments...
2017: PloS One
https://www.readbyqxmd.com/read/29142619/the-formation-of-extragraft-bone-bridging-after-anterior-cervical-discectomy-and-fusion-a-finite-element-analysis
#11
Shin Won Kwon, Chi Heon Kim, Chun Kee Chung, Tae Hyun Park, Su Heon Woo, Sung-Jae Lee, Seung Heon Yang
Objective: In addition to bone bridging inside a cage or graft (intragraft bone bridging, InGBB), extragraft bone bridging (ExGBB) is commonly observed after anterior cervical discectomy and fusion (ACDF) with a stand-alone cage. However, solid bony fusion without the formation of ExGBB might be a desirable condition. We hypothesized that an insufficient contact area for InGBB might be a causative factor for ExGBB. The objective was to determine the minimal area of InGBB by finite element analysis...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29125430/cortical-bone-trajectory-screw-fixation-versus-traditional-pedicle-screw-fixation-for-2-level-posterior-lumbar-interbody-fusion-comparison-of-surgical-outcomes-for-2-level-degenerative-lumbar-spondylolisthesis
#12
Hironobu Sakaura, Toshitada Miwa, Tomoya Yamashita, Yusuke Kuroda, Tetsuo Ohwada
OBJECTIVE The cortical bone trajectory (CBT) screw technique is a new nontraditional pedicle screw (PS) insertion method. However, the biomechanical behavior of multilevel CBT screw/rod fixation remains unclear, and surgical outcomes in patients after 2-level posterior lumbar interbody fusion (PLIF) using CBT screw fixation have not been reported. Thus, the purposes of this study were to examine the clinical and radiological outcomes after 2-level PLIF using CBT screw fixation for 2-level degenerative lumbar spondylolisthesis (DS) and to compare these outcomes with those after 2-level PLIF using traditional PS fixation...
November 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29093779/comparison-of-clinical-and-radiological-outcomes-of-lumbar-interbody-fusion-using-a-combination-of-hydroxyapatite-and-demineralized-bone-matrix-and-autografts-for-lumbar-degenerative-spondylolisthesis
#13
Asrafi Rizki Gatam, Luthfi Gatam, Singkat Dohar Lumban Tobing
Study Design: Prospective, cohort, non-inferiority study. Purpose: This study evaluated the clinical and radiological outcomes of interbody fusion using a combination of demineralized bone matrix (DBM) and hydroxyapatite (HA). Overview of Literature: The use of autografts remains a gold standard in lumbar interbody fusion, but the limited availability and donor site morbidity encourages the use of bone substitutes. In addition to autografts, a combination of HA and DBM is being increasingly use for lumbar interbody fusion...
October 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/29061616/transforaminal-lumbar-interbody-fusion-with-cortical-bone-trajectory-screws-versus-traditional-pedicle-screws-fixation-a-study-protocol-of-randomised-controlled-trial
#14
Zhenhua Feng, Xiaobin Li, Qian Tang, Chenggui Wang, Wenhao Zheng, Hui Zhang, Ai-Min Wu, Naifeng Tian, Yaosen Wu, Wenfei Ni
INTRODUCTION: Transforaminal lumbar interbody fusion (TLIF) has been widely used in the treatment of lumbar degenerative disc disorders and shows favourable clinical results. Recently, cortical bone trajectory (CBT) has become a new trajectory for screw insertion in the lumbar spine. Several biomechanical studies have demonstrated that the CBT technique achieves screw purchase and strength greater than the traditional method. Currently, the available data on the clinical effectiveness of the two performed surgeries, TLIF with CBT screws (CBT-TLIF) and TLIF with traditional pedicle screws (PS-TLIF), are insufficient...
October 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/29058045/anterior-cervical-discectomy-and-fusion-review-and-update-for-radiologists
#15
REVIEW
Kimia Khalatbari Kani, Felix S Chew
OBJECTIVES: The goals of this article are to describe the various types of interbody grafts and anterior cervical plating systems, techniques for optimizing evaluation of cervical spine metallic implants on CT and MR imaging, expected appearance and complications of ACDF on postoperative imaging and imaging assessment of fusion. Optimization for optimizing metal induced artifacts. CONCLUSION: Currently, ACDF is the most commonly performed surgical procedure for degenerative cervical spine disease...
January 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29057341/early-clinical-and-radiological-results-of-unilateral-posterior-pedicle-instrumentation-through-a-wiltse-approach-with-lateral-lumbar-interbody-fusion
#16
Jerry Y Du, Paul D Kiely, Eric Bogner, Motasem Al Maaieh, Alexander Aichmair, Stephan N Salzmann, Russel C Huang
BACKGROUND: To assess the clinical outcomes of 44 patients who underwent single-level lateral lumbar interbody fusion (LLIF) with unilateral pedicle screw instrumentation through a paramedian Wiltse approach. METHODS: Demographic, comorbidity, clinical assessment, peri-operative, and complication data were assessed. Visual analog scale (VAS), Oswestry disability index (ODI), and short form-12 (SF-12) were used to assess clinical outcomes. Post-operative plain radiographs were assessed for subsidence, cage migration, and fusion...
September 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29057340/lateral-lumbar-interbody-fusion-with-unilateral-pedicle-screw-fixation-for-the-treatment-of-adjacent-segment-disease-a-preliminary-report
#17
Jerry Y Du, Paul D Kiely, Motasem Al Maaieh, Alexander Aichmair, Russel C Huang
BACKGROUND: To assess the clinical outcomes of 20 patients who underwent single level unilateral pedicle screw fixation following lateral lumbar interbody fusion (LLIF) for treatment of lumbar adjacent segment disease (ASD). METHODS: Demographic, comorbidity, clinical assessment, peri-operative, and complication data were assessed. Visual analog scale (VAS), Oswestry disability index (ODI), and short form-12 (SF-12) were used to assess clinical outcomes. Post-operative radiographs were assessed for subsidence, cage migration, and fusion...
September 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29042769/bioabsorbable-self-retaining-pla-nano-sized-%C3%AE-tcp-cervical-spine-interbody-fusion-cage-in-goat-models-an-in-vivo-study
#18
Lu Cao, Qian Chen, Li-Bo Jiang, Xiao-Fan Yin, Chong Bian, Hui-Ren Wang, Yi-Qun Ma, Xiang-Qian Li, Xi-Lei Li, Jian Dong
STUDY DESIGN: This is an experimental animal study. OBJECTIVE: The objective of this study was to compare an anterior cervical discectomy and interbody fusion of a novel polylactide/nano-sized β-tricalcium phosphate (PLA/nβ-TCP) bioabsorbable self-retaining cervical fusion cage (BCFC) with an autologous bone graft and polyetheretherketone (PEEK) cages. BACKGROUND: Although PLA cervical cages have potential advantages compared with traditional materials, they are not currently routinely used in spine surgery because of undesirable effects such as the lack of osteoconductivity and osteolysis around the implant...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28989849/can-posterior-lumbar-instrumentation-and-fusion-be-overpowered-by-anterior-lumbar-fusion-with-hyperlordotic-cages-a-cadaveric-study
#19
Nathan Wigner, Abhijeet Kadam, Philip Saville, Vincent Arlet
STUDY DESIGN: Technical report on cadavers. OBJECTIVE: To evaluate preliminary feasibility and safety of lumbar sagittal alignment correction with anterior hyperlordotic cages used to overpower previous posterior spinal instrumentation. METHODS: Hyperlordotic 30° anterior lumbar interbody fusion (ALIF) cages were inserted in collapsed L5-S1 disc space of 2 cadavers to overpower prior posterior L5-S1 pedicle screws and rod constructs. A distinct technique of opening up the disc space and creation of intersegmental lordosis was employed using a large endplate distractor and transforaminal lumbar interbody fusion (TLIF) paddle distractor...
October 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28989840/trends-analysis-of-rhbmp-utilization-in-single-level-posterior-lumbar-interbody-fusion-in-the-united-states
#20
Lifeng Lao, Jeremiah R Cohen, Zorica Buser, Darrel S Brodke, Jim A Youssef, Jong-Beom Park, S Tim Yoon, Jeffrey C Wang, Hans-Joerg Meisel
STUDY DESIGN: Retrospective study. OBJECTIVES: Recombinant human bone morphogenetic protein-2 (rhBMP-2) has been widely used in spinal fusion surgery, but there is little information on rhBMP-2 utilization in single-level posterior lumbar interbody fusion (PLIF). The purpose of our study was to evaluate the trends and demographics of rhBMP-2 utilization in single-level PLIF. METHODS: Patients who underwent single-level PLIF from 2005 to 2011 were identified by searching ICD-9 diagnosis and procedure codes in the PearlDiver Patient Records Database, a national database of orthopedic insurance records...
October 2017: Global Spine Journal
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