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https://www.readbyqxmd.com/read/28216750/early-results-of-thoraco-lumbar-burst-fracture-treatment-using-selective-corpectomy-and-rectangular-cage-reconstruction
#1
Bowei Liang, Guofeng Huang, Luobing Ding, Liangqi Kang, Mo Sha, Zhenqi Ding
BACKGROUND: Subsidence and late fusion are commonly observed in anterior subtotal corpectomy and reconstruction for treating thoracolumbar burst fractures. The subsidence rate of this surgical method was reported from 19.6% to 75% in the literatures, which would cause treatment failure. Thus, an improvement of anterior surgery technique should be studied to reduce these complications. MATERIALS AND METHODS: 130 patients of thoracolumbar burst fractures treated by minimal corpectomy, decompression and U cage, between January 2009 and December 2010 were included in this study...
January 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28186477/bilateral-sagittal-split-mandibular-osteotomies-for-enhanced-exposure-of-the-anterior-cervical-spine-in-children-technical-note
#2
Michael Karsy, Neal Moores, Faizi Siddiqi, Douglas L Brockmeyer, Robert J Bollo
The bilateral sagittal split mandibular osteotomy (BSSMO), a common maxillofacial technique for expanding the oropharynx during treatment of micrognathia, is a rarely employed but useful adjunct to improve surgical access to the ventral cervical spine in children. Specifically, it provides enhanced exposure of the craniocervical junction in the context of midface hypoplasia, and of the subaxial cervical spine in children with severe kyphosis. The authors describe their technique for BSSMO and evaluate long-term outcomes in patients...
February 10, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28175580/350%C3%A2-mini-open-transpedicular-corpectomy-and-percutaneous-instrumentation-without-fusion-reoperation-rates-for-implant-failure-and-pseudarthrosis
#3
Darryl Lau, Dean Chou
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28168341/excision-of-an-anterior-intradural-arachnoid-cyst-of-the-cervical-spine-through-central-corpectomy-approach
#4
Pratyush Shrestha, Prateek Shrestha, Upendra Prasad Devkota
Anterior cervical intradural arachnoid cyst is a rare entity which has been mostly approached posteriorly, commonly resulting in incomplete resection. Incomplete resection is associated with recurrence; hence, we describe the anterior central corpectomy approach with complete neurologic recovery in a twenty year old with an anterior cervical intradural arachnoid cyst in front of the third and fourth cervical vertebra, who had presented with spastic quadriparesis.
February 6, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28159690/spinal-cord-herniation-after-cervical-corpectomy-with-cerebrospinal-fluid-leak-case-report-and-review-of-the-literature
#5
Kern H Guppy, James W Silverthorn
No abstract text is available yet for this article.
January 31, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28151549/individualized-mini-hemilaminectomy-corpectomy-imhc-for-treatment-of-thoracolumbar-intervertebral-disc-herniation-in-large-breed-dogs
#6
Susanne C Medl, Sven Reese, Nikola S Medl
OBJECTIVE: To assess the short-term, mid-term, and long-term results after an individualized mini-hemilaminectomy-corpectomy (iMHC) procedure for treatment of acute and chronic thoracolumbar intervertebral disc disease in non-chondrodystrophic dogs. STUDY DESIGN: Prospective study. ANIMALS: Client-owned non-chondrodystrophic large breed dogs (n = 57). METHODS: The iMHC procedure, combining mini-hemilaminectomy (MH) and partial lateral corpectomy, was performed on non-chondrodystrophic dogs with thoracolumbar disc disease...
February 2, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28138771/l5-corpectomy-the-lumbosacral-segmental-geometry-and-clinical-outcome-a-consecutive-series-of-14-patients-and-review-of-the-literature
#7
Martin Vazan, Yu-Mi Ryang, Julia Gerhardt, Felix Zibold, Insa Janssen, Florian Ringel, Jens Gempt, Bernhard Meyer
PURPOSE: We analyzed the lumbosacral segmental geometry and clinical outcome in patients undergoing L5 corpectomy. METHODS: Fourteen consecutive patients who underwent L5 (n = 12) or L4 + 5 (n = 2) corpectomy at our department between January 2010 and April 2015 were included. All patients underwent a baseline physical and neurologic examination on admission. The diagnostic routine included MRI and CT scans and, if possible, an upright X-ray of the lumbar spine before and after surgery...
January 31, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28109098/-impact-of-anterior-cervical-fusion-surgeries-on-adjacent-segments-a-finite-element-analysis
#8
Teng Lu, Ting Zhang, Jun Dong, Quan-Jin Zang, Bao-Hui Yang, Dong Wang, Hao-Peng Li, Xi-Jng He
OBJECTIVE: To investigate the changes in the range of motion (ROM) and stress of the intervertebral disc and facet joint of the adjacent segments following anterior cervical corpectomy and fusion (ACCF) and anterior cervical discectomy and fusion (ACDF) using finite element analysis. METHODS: A three-dimensional finite element model of the lower cervical vertebrae was constructed and validated by comparing the ROM of the finite element model against the published data...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108780/cement-augmented-screws-in-a-cervical-two-level-corpectomy-with-anterior-titanium-mesh-cage-reconstruction-a-biomechanical-study
#9
Sebastian Hartmann, Claudius Thomé, Anja Tschugg, Johannes Paesold, Pujan Kavakebi, Werner Schmölz
STUDY DESIGN: Biomechanical investigation. PURPOSE: Cervical two-level corpectomies with anterior-only instrumentation are associated with a high rate of implant-related complications. These procedures, therefore, often require an additional dorsal instrumentation to prevent screw loosening. Cement augmentation of the anterior screws in two-level corpectomies might stabilize the construct, so that a second dorsal procedure could be avoided. To evaluate the screw anchorage in cervical anterior-only procedures, an ex vivo evaluation of the range of motion (ROM) in two-level corpectomies (C4 and C5), with and without cement augmentation of the anterior screws, was carried out in this study...
January 21, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28104281/-results-to-4-year-follow-up-of-the-treatment-of-the-cervical-stenosis-by-corpectomy-titanium-mesh-cage-and-anterior-plate-fixation
#10
Alejandro Antonio Reyes Sánchez, Luis Alberto Gameros Castañeda, Claudia Obil Chavarría, Armando Alpizar Aguirre, Barón Zárate Kalfópulos, Luis Miguel Rosales-Olivares
BACKGROUND: Cervical spondylotic myelopathy is caused by cervical stenosis. Several techniques have been described for the treatment of multilevel disease, such as the anterior corpectomy with titanium mesh cage and anterior cervical plate placement, which has the advantage of performing a wider decompression and using the same bone as graft. However, it has caused controversy since the collapse of the mesh cage continues being a major limitation of this procedure. MATERIAL AND METHOD: A prospective 4-year follow-up study was conducted in 7 patients diagnosed with cervical stenosis, who were treated surgically by one level corpectomy with titanium mesh cage and anterior cervical plate placement, evaluating them by radiographs and clinical scales...
January 16, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28095745/toward-the-definition-of-a-new-worst-case-paradigm-for-the-preclinical-evaluation-of-posterior-spine-stabilization-devices
#11
Luigi La Barbera, Tomaso Villa
Mechanical reliability tests on posterior spine stabilization devices are based on standard F1717 by the American Society for Testing and Materials, which describes how to assemble the implant with vertebrae-like test blocks in a corpectomy model. A recent study proposed to revise the standard to describe the anatomical worst-case scenario, instead of the average one currently implemented, and introduce the unsupported screw length as a mechanical parameter. This article investigates the implications of such revisions on the endurance properties of an implant already on the market...
January 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28089837/direct-midline-posterior-corpectomy-and-fusion-of-a-lumbar-burst-fracture-with-retrospondyloptosis-a-case-report
#12
Arthur Carminucci, Rachid Assina, R Nick Hernandez, Ira M Goldstein
BACKGROUND: Traumatic burst fractures of the lumbar spine can result in significant neurological injury and mechanical instability. The ideal surgical approach for the treatment of unstable lumbar spine burst fractures remains debatable. CASE DESCRIPTION: A 37 year-old male presented with severe neurological injury including loss of motor function below the level of the iliopsoas muscles bilaterally, saddle anesthesia, and absent rectal tone, following a fall from 60 ft...
January 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28073140/-clinical-and-radiological-results-after-anterior-cervical-corpectomy-with-cage-fusion-a-retrospective-comparison-of-peek-vs-titanium-cages
#13
Chris Schulz, Uwe Max Mauer, René Mathieu
Background Anterior cervical corpectomy and fusion (ACCF) has become a standard procedure for patients with spondylotic myelopathy due to multisegmental stenosis of the cervical canal. Beside the fusion technique using autogenous bone grafts, synthetic cages have been increasingly used in recent years. Published information on the clinical and radiological results of different cage materials for ACCF is still limited. The study presented here is the largest series to date reporting clinical and radiological outcomes and complication rates after one- to three-level ACCF using structural polyetheretherketone (PEEK) or titanium cages augmented by anterior plate-screw osteosynthesis...
January 10, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28068277/initial-experience-with-o-arm-navigated-spinal-surgery-report-on-two-cases
#14
Ivo I Kehayov, Christo B Zhelyazkov, Borislav M Kalnev, Atanas N Davarski, Borislav D Kitov, Stefan D Raykov
Image-guided spinal surgery is becoming increasingly popular because it allows surgeons to achieve minimal invasiveness and maximum precision in the performed procedures. We present our initial experience with two cases operated on using O-arm-based spinal navigation at the Clinic of Neurosurgery in St George University Hospital, Plovdiv, Bulgaria. In the first case, we performed removal of extradural spinal tumor of the sixth thoracic vertebra and O-arm-navigated pedicle screw fixation. In the second case, we performed O-arm-navigated corpectomy of the fifth cervical vertebra and anterior spinal reconstruction and fusion with titanium expandable mesh and cervical plate in connection with degenerative narrowing of the cervical spinal canal that lead to clinically manifested myelopathy...
December 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/28041330/quality-of-life-after-different-surgical-procedures-for-the-treatment-of-spinal-metastases-results-of-a-single-center-prospective-case-series
#15
Godard C W de Ruiter, Claudine O Nogarede, Jasper F C Wolfs, Mark P Arts
OBJECTIVE The performance of surgery for spinal metastases is rapidly increasing. Different surgical procedures, ranging from stabilization alone to stabilization combined with corpectomy, are thereby performed for various indications. Little is known about the impact of these different procedures on patient quality of life (QOL), but this factor is crucial when discussing the various therapeutic options with patients and their families. Thus, the authors of this study investigated the effect of various surgical procedures for spinal metastases on patient QOL...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/27997508/cost-variation-of-anterior-cervical-fusions-in-elderly-medicare-beneficiaries
#16
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/27994773/biomechanical-analysis-of-a-pedicle-screw-rod-system-with-a-novel-cross-link-configuration
#17
Yasuhiro Nakajima, Masahito Hara, Daisuke Umebayashi, Shoichi Haimoto, Yu Yamamoto, Yusuke Nishimura, Toshihiko Wakabayashi
STUDY DESIGN: The strength effects of a pedicle screw-rod system supplemented with a novel cross-link configuration were biomechanically evaluated in porcine spines. PURPOSE: To assess the biomechanical differences between a conventional cross-link pedicle screw-rod system versus a novel cross-link instrumentation, and to determine the effect of the cross-links. OVERVIEW OF LITERATURE: Transverse cross-link systems affect torsional rigidity, but are thought to have little impact on the sagittal motion of spinal constructs...
December 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27977040/anterior-cervical-corpectomy-and-fusion-using-a-synthetic-hydroxyapatite-graft-for-ossification-of-the-posterior-longitudinal-ligament
#18
Toshitaka Yoshii, Takashi Hirai, Kenichiro Sakai, Shinichi Sotome, Mitsuhiro Enomoto, Tsuyoshi Yamada, Hiroyuki Inose, Tsuyoshi Kato, Shigenori Kawabata, Atsushi Okawa
The significant complication rate associated with harvesting autologous iliac bone or fibula has encouraged development of alternative graft substitutes. In this study, the authors investigated the efficacy and safety of synthetic porous hydroxyapatite (HA) combined with local vertebral bone graft for use in anterior cervical corpectomy and fusion (ACCF) for the treatment of patients with ossification of the posterior longitudinal ligament (OPLL). Since 2006, twenty-five OPLL patients underwent ACCF using HA blocks (HA group)...
December 9, 2016: Orthopedics
https://www.readbyqxmd.com/read/27939974/revision-surgeries-following-artificial-disc-replacement-of-cervical-spine
#19
Jong-Beom Park, Han Chang, Jin S Yeom, Kyung-Soo Suk, Dong-Ho Lee, Jae Chul Lee
OBJECTIVE: We investigated causes and results of revision surgeries after artificial disc replacement of cervical spine (C-ADR). METHODS: Twenty-one patients (mean age: 52.8) who underwent revision surgery after C-ADR and who had a minimum 2-year of follow-up were included into this study. The mean time between the primary and revision surgeries was 21 months. During their primary surgeries, 14 patients underwent single level C-ADR, 2 two-level C-ADR, and 5 two-level hybrid surgery for 16 radiculopathy, 3 myelopathy, and 2 adjacent segment diseases...
December 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27930523/anterior-cervical-discectomy-and-fusion-versus-anterior-cervical-corpectomy-and-fusion-in-multilevel-cervical-spondylotic-myelopathy-a-meta-analysis
#20
REVIEW
Tao Wang, Hui Wang, Sen Liu, Huang-Da An, Huan Liu, Wen-Yuan Ding
BACKGROUND: Both anterior cervical discectomy and fusion (ACDF) and anterior cervical corpectomy and fusion (ACCF) are used to treat multilevel cervical spondylotic myelopathy (mCSM); however, which one is better treatment for mCSM remains considerable controversy. A meta-analysis was performed to compare clinical outcomes, radiographic outcomes, and surgical outcomes between ACDF and ACCF in treatment for mCSM. METHODS: An extensive search of literature was performed in Pubmed/MEDLINE, Embase, the Cochrane library, CNKI, and WANFANG databases on ACDF versus ACCF treatment for mCSM from January 2011 to August 2016...
December 2016: Medicine (Baltimore)
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