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https://www.readbyqxmd.com/read/28323717/treatment-of-lumbar-split-fracture-dislocation-with-short-segment-or-long-segment-posterior-fixation-and-anterior-fusion
#1
Fei Chen, Yijun Kang, Haisheng Li, Guohua Lv, Chang Lu, Jing Li, Bing Wang, Weihua Chen, Zhehao Dai
STUDY DESIGN: Retrospective analysis of 16 patients. SUMMARY OF BACKGROUND DATA: The lumbar split fracture-dislocation is a rare but severe injury, which is type C1.2.1 fracture in the Association for the Study of Internal Fixation spine fracture classification. The axial compressive and torsional force shattered the vertebral body into 2 halves and displaced them rotationally. This kind of fracture is so highly unstable that the treatment is very challenging. PURPOSE: The purpose of this study was to report and compare on clinical outcome and complications of patients with lumbar split fracture-dislocation which had been treated either short-segment or long-segment posterior fixation and anterior fusion...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323709/single-stage-transpedicular-vertebrectomy-and-expandable-cage-placement-for-treatment-of-unstable-mid-and-lower-lumbar-burst-fractures
#2
Jong-Il Choi, Bum-Joon Kim, Sung-Kon Ha, Sang-Dae Kim, Dong-Jun Lim, Se-Hoon Kim
STUDY DESIGN: Retrospective clinical and radiographic study. OBJECTIVE: To examine the efficacy and safety of vertebrectomy and expandable cage placement by a single-stage posterior approach for unstable mid and lower lumbar burst fractures (below the L3). SUMMARY OF BACKGROUND DATA: Patients with unstable mid and lower lumbar burst fractures require surgical treatment to relieve pain, address paralysis, and stabilize the spine to prevent further segmental deformity...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323699/use-of-nanocrystalline-hydroxyapatite-with-autologous-bma-and-local-bone-in-the-lumbar-spine-a-retrospective-ct-analysis-of-posterolateral-fusion-results
#3
Stephen Robbins, Carl Lauryssen, Matthew N Songer
STUDY DESIGN: A retrospective, multicenter, medical record review and independent analysis of computed tomographic scans was performed in 46 patients to determine radiographic arthrodesis rates after 1-segment, 2-segment, or 3-segment instrumented posterolateral fusions (PLF) using autograft, bone marrow aspirate (BMA), and a nanocrystalline hydroxyapatite bone void filler (nHA). OBJECTIVE: To determine the radiographic arthrodesis rates after instrumented lumbar PLF using local autograft, BMA, and nHA...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28315798/bone-morphogenetic-proteins-in-anterior-cervical-fusion-a-systematic-review-and-meta-analysis
#4
REVIEW
Shayan Abdollah Zadegan, Aidin Abedi, Seyed Behnam Jazayeri, Hirbod Nasiri Bonaki, Seyed Behzad Jazayeri, Alexander R Vaccaro, Vafa Rahimi-Movaghar
OBJECTIVE: Bone morphogenetic proteins (BMPs) have been commonly used as a graft substitute in spinal fusion. Although the Food and Drug Administration (FDA) issued warning on life-threatening complications of recombinant human BMPs (rhBMPs) in cervical spine fusion in 2008, their off-label use has been continued. This investigation aimed to review the evidence for the use of rhBMP-2 and rhBMP-7 in anterior cervical spine fusions. METHODS: A comprehensive search was performed through Ovid (MEDLINE), PubMed and Embase...
March 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28296812/pedicled-vascularized-clavicular-graft-for-anterior-cervical-arthrodesis-cadaveric-feasibility-study-technique-description-and-case-report
#5
Michael A Bohl, Michael A Mooney, Joshua S Catapano, Kaith K Almefty, Mark C Preul, Steve W Chang, U Kumar Kakarla, Edward M Reece, Jay D Turner, Randall W Porter
STUDY DESIGN: Cadaveric feasibility study. OBJECTIVES: To assess the anatomic and technical feasibility of rotating a clavicular segment on a sternocleidomastoid muscle (SCM) pedicle into the ventral cervical spine using a cadaveric model and to provide the first clinical case description of performing this procedure. SUMMARY OF BACKGROUND DATA: Reconstruction of the anterior cervical spine in patients with a high risk of pseudoarthrosis may require the use of a vascularized bone graft (VBG)...
March 14, 2017: Spine
https://www.readbyqxmd.com/read/28286524/mesenchymal-stem-cells-for-the-treatment-of-spinal-arthrodesis-from-preclinical-research-to-clinical-scenario
#6
REVIEW
F Salamanna, M Sartori, G Barbanti Brodano, C Griffoni, L Martini, S Boriani, M Fini
The use of spinal fusion procedures has rapidly augmented over the last decades and although autogenous bone graft is the "gold standard" for these procedures, alternatives to its use have been investigated over many years. A number of emerging strategies as well as tissue engineering with mesenchymal stem cells (MSCs) have been planned to enhance spinal fusion rate. This descriptive systematic literature review summarizes the in vivo studies, dealing with the use of MSCs in spinal arthrodesis surgery and the state of the art in clinical applications...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28281003/bone-morphogenetic-protein-in-adult-spinal-deformity-surgery-a-meta-analysis
#7
Gregory W Poorman, Cyrus M Jalai, Anthony Boniello, Nancy Worley, Shearwood McClelland, Peter G Passias
INTRODUCTION: Since its introduction BMP has been utilized in populations with higher rates of malunion, such as adult spinal deformity (ASD) patients. Contradictory conclusions exist in spinal literature regarding the safety and efficacy of the use of BMP in this setting. Previous studies, however, did not distinguish deformity cases from spondylolisthesis or stenosis. The purpose of this study is to evaluate the safety and efficacy of BMP use in spinal fusion surgery for ASD. METHODS: 166 papers were screened after database search...
March 9, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28279204/a-study-to-compare-the-efficacy-of-polyether-ether-ketone-rod-device-with-titanium-devices-in-posterior-spinal-fusion-in-a-canine-model
#8
Nanxiang Wang, Huanxin Xie, Chunyang Xi, Han Zhang, Jinglong Yan
BACKGROUND: The benefits of posterior lumbar fusion surgery with orthotopic paraspinal muscle-pediculated bone flaps are well established. However, the problem of non-union due to mechanical support is not completely resolved. The aim of the study was to compare the efficacy of polyether ether ketone (PEEK) rod device with conventional titanium devices in the posterior lumbar fusion surgery with orthotopic paraspinal muscle-pediculated bone flaps. METHODS: This was a randomized controlled study with an experimental animal model...
March 9, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28264242/polyetheretherketone-cage-with-demineralized-bone-matrix-can-replace-iliac-crest-autografts-for-anterior-cervical-discectomy-and-fusion-in-subaxial-cervical-spine-injuries
#9
Soo-Han Kim, Jung-Kil Lee, Jae-Won Jang, Hyun-Woong Park, Hyuk Hur
OBJECTIVE: This study aimed to compare the clinical and radiologic outcomes of patients with subaxial cervical injury who underwent anterior cervical discectomy and fusion (ACDF) with autologous iliac bone graft or polyetheretherketone (PEEK) cages using demineralized bone matrix (DBM). METHODS: From January 2005 to December 2010, 70 patients who underwent one-level ACDF with plate fixation for post-traumatic subaxial cervical spinal injury in a single institution were retrospectively investigated...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28252933/lightweight-open-cell-scaffolds-from-sea-urchin-spines-with-superior-material-properties-for-bone-defect-repair
#10
Lei Cao, Xiaokang Li, Xiaoshu Zhou, Yong Li, Kenneth S Vecchio, Lina Yang, Wei Cui, Rui Yang, Yue Zhu, Zheng Guo, Xing Zhang
Sea urchin spines (Heterocentrotus mammillatus), with a hierarchical open-cell structure similar to that of human trabecular bone and superior mechanical property (compressive strength ∼43.4 MPa) suitable for machining to shape, were explored for potential applications of bone defect repair. Finite element analyses reveal that the compressive stress concentrates along the dense growth rings and dissipates through strut structures of the stereoms, indicating that the exquisite mesostructures play an important role in high strength-to-weight ratios...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28248883/primary-leiomyosarcoma-of-the-spine-a-case-report-and-literature-review
#11
Yi Yang, Litai Ma, Lingli Li, Hao Liu
RATIONALE: Primary leiomyosarcoma of the bone was firstly reported by Evans and Sanerkin in 1965, whereas primary leiomyosarcoma of the vertebra is extremely rare. Because of the rarity of primary vertebral leiomyosarcoma, the diagnosis, treatment, and clinical outcome still remain controversial. Here we report a special case of primary leiomyosarcoma in the thoracic vertebra. PATIENT CONCERNS: A 47-year-old female patient was admitted to our institution with the chief complaint of persistent back pain for 4 weeks...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28247113/management-of-eosinophilic-granuloma-in-pediatric-patients-surgical-intervention-and-surgery-combined-with-postoperative-radiotherapy-and-or-chemotherapy
#12
Zhenhai Zhou, Hongqi Zhang, Chaofeng Guo, Honggui Yu, Longjie Wang, Qiang Guo
BACKGROUND: Eosinophilic granuloma (EG) of spine in pediatric patients presents kinds of clinical manifestation and a difficult management scenario. The choice of treatment, issues of surgical intervention versus conservative treatment, combination therapy or single treatment, all these factors, including neurological deficits, spinal stability, long-term complications, and continued skeletal growth, must be considered. METHODS: From 2008 to the 2015, 31 pediatric patients of spinal EG were retrospectively reviewed...
February 28, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28242409/stent-migration-during-endovascular-treatment-of-traumatic-arterio-venous-fistula-following-lumbar-spine-surgery
#13
Kiron Varghese, Srilakshmi M Adhyapak
We report the endovascular treatment of an arterio-venous fistula involving the right common iliac artery and left common iliac veinin a 48 year old male patient who had previously undergone lumbar spine disc surgery. A balloon expandable covered stent was deployed in the common iliac artery which got partially dislodged into the aorta during attempted post dilatation of the stent. The proximal end of the stent was secured in place with an inflated balloon in the aorta, introduced from the contralateral iliac artery, allowing successfulretrieval and dilatation of the stent graft through the ipsilateral femoral vascular access...
February 24, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28216760/vanishing-bone-disease-of-chest-wall-and-spine-with-kyphoscoliosis-and-neurological-deficit-a-case-report-and-review-of-literature
#14
Sudhir Kumar Srivastava, Rishi Anil Aggarwal, Pradip Sharad Nemade, Sunil Krishna Bhoale
Vanishing bone disease is an extremely rare disorder of unknown etiology characterized by idiopathic osteolysis of bone. We describe a case of vanishing bone disease of chest wall and spine with kyphoscoliosis and neurological deficit. A 17-year-old male presented with gradually progressive deformity of back and dorsal compressive myelopathy with nonambulatory power in lower limbs. Radiographs revealed absent 4(th)-7(th) ribs on the right side with dorsal kyphoscoliosis and severe canal narrowing at the apex...
January 2017: Indian Journal of Orthopaedics
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
#15
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/28207619/iliac-crest-regeneration-a-retrospective-study-of-14-years-of-follow-up
#16
Anastasios Christodoulou, Achilleas Boutsiadis, Evangellos Christodoulou, Petros Antonarakos, Panagiotis Givissis, Ippokratis Hatzokos
STUDY DESIGN: This is a retrospective study analysis. OBJECTIVE: The purpose of our study was to evaluate the healing process of the ilium after being used as a bone graft donor site in the treatment of adolescent idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: Iliac crest bone grafts have been proven to be the most reliable means for solid fusion in spine surgery. Nevertheless, few reports in the literature describe the ability of the iliac crest to regenerate...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28206720/erratum-endovascular-transluminal-stent-grafting-treatment-of-choice-for-post-lumbar-spine-surgery-iliac-arterio-venous-fistulae
#17
(no author information available yet)
No abstract text is available yet for this article.
February 1, 2017: Catheterization and Cardiovascular Interventions
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
#18
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/28196468/posterior-pedicle-screw-fixation-to-treat-lower-cervical-fractures-associated-with-ankylosing-spondylitis-a-retrospective-study-of-35-cases
#19
Liang Yan, Zhenguo Luo, Baorong He, Jijun Liu, Dingjun Hao
BACKGROUND: The most common site of fractures in patients with ankylosing spondylitis (AS) is the cervical spine, especially the lower cervical spine and cervicothoracic junction. The optimal treatment for cervical spine fractures secondary to AS is controversial. This study aimed to explore the effects of posterior pedicle screw fixation alone on fractures of the lower cervical spine in patients with AS. METHODS: From January 2006 to January 2013, a total of 35 patients with AS and a lower cervical spine fracture were treated using only posterior cervical/thoracic pedicle screw fixation...
February 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28191383/minimally-invasive-direct-lateral-interbody-fusion-mis-dlif-proof-of-concept-and-perioperative-results
#20
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
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