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Cervical fusion

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https://www.readbyqxmd.com/read/28528478/the-diagnosis-and-management-of-a-vertebral-artery-loop-causing-cervical-radiculopathy
#1
L Wood, M Czyz, S Forster, Bronek M Boszczyk
BACKGROUND: Cervical radiculopathies are rarely caused by vertebral artery loop formation, which is estimated to be present in less than 3% of patients. It is uncertain what causes the loop formation: some propose an association with spondylotic changes or trauma, whilst others suggest hypertension and atherosclerosis may be responsible. CASE REPORT 1: A 35-year-old male patient presented with signs and symptoms of cervical radiculopathy that was not improved with anterior cervical discectomy and fusion surgery performed 2 years beforehand...
May 20, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28527757/comparative-analysis-of-peri-operative-complications-between-a-multicenter-prospective-cervical-deformity-database-and-the-nationwide-inpatient-sample-database
#2
Peter G Passias, Samantha R Horn, Cyrus M Jalai, Gregory Poorman, Olivia J Bono, Subaraman Ramchandran, Justin S Smith, Justin K Scheer, Daniel M Sciubba, D Kojo Hamilton, Gregory Mundis, Cheongeun Oh, Eric O Klineberg, Virginie Lafage, Christopher I Shaffrey, Christopher P Ames
BACKGROUND CONTEXT: Complication rates for adult cervical deformity are poorly characterized given the complexity and heterogeneity of cases. PURPOSE: To compare peri-operative complication rates following adult cervical deformity corrective surgery between a prospective multi-center database for cervical deformity patients (PCD) and Nationwide Inpatient Sample (NIS). STUDY DESIGN/SETTING: Retrospective review of prospective databases. PATIENT SAMPLE: 11,501 adult cervical deformity patients (11,379 patients from NIS and 122 patients from PCD database)...
May 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28527755/perioperative-neurologic-complications-during-spinal-fusion-surgery-incidence-and-trends
#3
Parthasarathy Thirumala, James Zhou, Piruthiviraj Natarajan, Jeffrey Balzer, Edward Dixon, David Okonkwo, D K Hamilton
BACKGROUND CONTEXT: Perioperative neurologic complications after spine surgery may increase morbidity and healthcare costs related to the procedure. PURPOSE: We estimate the national incidence of perioperative neurologic complications following anterior cervical discectomy and fusion (ACDF), posterior cervical fusion, and thoracolumbar fusion procedures using the Nationwide Inpatient Sample (NIS) data from 1999 to 2011. Additionally, we identify risk factors for developing perioperative neurologic complications and the effects of these injuries on quantifiable patient outcomes...
May 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28526640/zero-profile-spacer-versus-cage-plate-construct-in-anterior-cervical-discectomy-and-fusion-for-multilevel-cervical-spondylotic-myelopathy-a-systematic-review-and-meta-analysis
#4
Min-Ji Tong, Guang-Heng Xiang, Zi-Li He, De-Heng Chen, Qian Tang, Hua-Zi Xu, Nai-Feng Tian
BACKGROUD: Anterior cervical discectomy and fusion (ACDF) with plate-screw construct has been gradually applied for multilevel cervical spondylotic myelopathy (CSM) in recent years. However, long cervical plate was associated with complications including breakage or loosening of plate and screws, trachea-esophageal injury, neurovascular injury, and postoperative dysphagia. To reduce these complications, the zero-profile spacer has been introduced. This meta-analysis was performed to compared the clinical and radiological outcomes of zero-profile spacer versus cage-plate construct for the treatment of multilevel cervical spondylotic myelopathy...
May 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28525492/degenerative-cervical-disc-disease-long-term-changes-in-sagittal-alignment-and-their-clinical-implications-after-cervical-interbody-fusion-cage-subsidence-a-prospective-study-with-standalone-lordotic-tantalum-cages
#5
Félix Tomé-Bermejo, Julián A Morales-Valencia, Javier Moreno-Pérez, Juan Marfil-Pérez, Elena Díaz-Dominguez, Angel R Piñera, Luis Alvarez
STUDY DESIGN: A retrospective, observational study of prospectively collected outcomes. OBJECTIVE: To investigate the long-term clinical course of anterior cervical discectomy and fusion with interbody fusion cages (ACDF-IFC) with lordotic tantalum implants and to correlate the radiologic findings with the clinical outcomes, with special emphasis on the significance and the influence of implant subsidence. SUMMARY OF BACKGROUND DATA: Cage subsidence is the most frequently reported complication after ACDF-IFC...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525491/surgery-for-chronic-traumatic-atlantoaxial-dislocation-associated-with-myelopathy
#6
Lingjun Wang, Yong Gu, Liang Chen, Huilin Yang
STUDY DESIGN: A retrospective study. OBJECTIVE: To evaluate the outcomes of myelopathy caused by atlantoaxial dislocation (AAD). SUMMARY OF BACKGROUND DATA: No reports to date have accurately evaluated the results of surgery for delayed myelopathy for patients with chronic AAD. Thus, the appropriate surgical time and methods of decompression and fusion remain a hot debate. MATERIALS AND METHODS: In our study, 18 patients underwent decompression, fixation, and fusion...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525490/surgeon-procedure-volume-and-complication-rates-in-anterior-cervical-discectomy-and-fusions-analysis-of-a-national-longitudinal-database
#7
Tyler Cole, Anand Veeravagu, Michael Zhang, John K Ratliff
STUDY DESIGN: Retrospective study using the MarketScan longitudinal database (2006-2010). OBJECTIVE: Compare complication rates between groups of patients undergoing anterior cervical discectomy and fusion (ACDF) procedures performed by surgeons with high versus low mean annual ACDF volume. SUMMARY OF BACKGROUND DATA: Over the past decade the volume of ACDFs performed has increased, concurrent with greater appreciation of potential for associated complications...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525489/minimum-5-year-follow-up-results-for-occipitocervical-fusion-using-the-screw-rod-system-in-craniocervical-instability
#8
Kei Ando, Shiro Imagama, Zenya Ito, Kazuyoshi Kobayashi, Hideki Yagi, Ryuichi Shinjo, Tetsuro Hida, Kenyu Ito, Yoshimoto Ishikawa, Naoki Ishiguro
STUDY DESIGN: Retrospective clinical study. OBJECTIVE: To evaluate the clinical outcome of patients who had undergone occipitocervical (OC) fusion using pedicle screws and rods over a minimum 5-year follow-up. SUMMARY OF BACKGROUND DATA: Few studies have evaluated occipitocervical (OC) fusion using pedicle screws and rods for long-term follow-up. METHODS: Twenty-seven consecutive patients treated underwent posterior OC fusion using pedicle screws and rods over a minimum 5-year follow-up...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525488/artificial-disk-replacement-combined-with-fusion-versus-2-level-fusion-in-cervical-2-level-disk-disease-with-a-5-year-follow-up
#9
Gyu Yeul Ji, Chang Hyun Oh, Dong Ah Shin, Yoon Ha, Seong Yi, Keung Nyun Kim, Hyun Cheol Shin, Do Heum Yoon
STUDY DESIGN: Prospective study. OBJECTIVE: The purpose of this study was to compare the long-term clinical and radiologic outcomes of hybrid surgery (HS) and 2-level anterior cervical discectomy and fusion (2-ACDF) in patients with 2-level cervical disk disease. SUMMARY OF BACKGROUND DATA: In a previous study with a 2-year follow-up, HS was shown to be superior to 2-ACDF, with a better Neck Disability Index (NDI) score, less postoperative neck pain, faster C2-C7 range of motion (ROM) recovery, and less adjacent ROM increase...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525486/regression-of-anterior-disk-osteophyte-complex-following-cervical-laminectomy-and-fusion-for-cervical-spondylotic-myelopathy
#10
Adedayo O Ashana, Jeremiah R Cohen, Brandon Evans, Langston T Holly
STUDY DESIGN: A retrospective case-control study. OBJECTIVE: To investigate whether posterior cervical laminectomy and fusion modifies the natural course of anterior disk-osteophyte complex in patients with multilevel cervical spondylotic myelopathy. SUMMARY OF BACKGROUND DATA: Dorsal migration of the spinal cord is the main purported mechanism of spinal cord decompression following cervical laminectomy and fusion but other potential mechanisms have received scant attention in the literature...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525484/a-retrospective-analysis-of-subaxial-subluxation-after-atlanto-axial-arthrodesis-in-patients-with-rheumatoid-arthritis-based-on-annual-radiographs-obtained-for-5-years
#11
Haku Iizuka, Yoichi Iizuka, Tokue Mieda, Ryoichi Kobayashi, Masahiro Nishinome, Tsuyoshi Ara, Yasunori Sorimachi, Takashi Nakajima, Kenji Takagishi
STUDY DESIGN: Retrospective study. OBJECTIVE: The purpose of this study was to investigate the incidence of subaxial subluxation (SAS) after atlanto-axial arthrodesis in rheumatoid arthritis (RA) patients using annual radiographs obtained for 5 years and clarify the characteristics of SAS after surgery. SUMMARY OF BACKGROUND DATA: Rheumatoid SAS has been reported to occur after atlanto-axial arthrodesis. Many authors have noted that excessive correction of the atlanto-axial angle (AAA) results in a decrease in subaxial lordosis, thereby inducing SAS; therefore, we paid special attention to acquiring a suitable AAA in patients with atlanto-axial arthrodesis...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525483/development-of-a-remodeled-caspar-retractor-and-its-application-in-the-measurement-of-distractive-resistance-in-an-in-vitro-anterior-cervical-distraction-model
#12
Junxiang Wen, Jianwei Xu, Lijun Li, Mingjie Yang, Jie Pan, Deyu Chen, Lianshun Jia, Jun Tan
STUDY DESIGN: In vitro biomechanical study of the cervical intervertebral distraction using a remodeled Caspar retractor. OBJECTIVE: To investigate the torques required for distraction to different heights in an in vitro C3-C4 anterior cervical distraction model using a remodeled Caspar retractor, focusing on the influence of the intervertebral disk, posterior longitudinal ligament (PLL), and ligamentum flavum (LF). SUMMARY OF BACKGROUND DATA: No previous studies have reported on the torques required for distraction to various heights or the factors resisting distraction in anterior cervical discectomy and fusion...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525482/artificial-cervical-disk-replacement-for-the-treatment-of-adjacent-segment-disease-after-anterior-cervical-decompression-and-fusion
#13
Sheng Bin, Huang Xiangwang, Xiao Sheng, Xiang Tiecheng, Liu Xiangyang, Zhang Yi, Liu Bin
STUDY DESIGN: Retrospective study. OBJECTIVE: To evaluate the outcome of artificial cervical disk replacement (ACDR) for the treatment of adjacent segment disease (ASD) after anterior cervical decompression and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is the useful procedure for degenerative cervical diseases. However, studies have reported accelerated degeneration of functional spinal units adjacent to the fusion site after ACDF. MATERIALS AND METHODS: Between January 2004 and January 2011, 32 inpatients (18 male, 14 female; age, 38-61 y; mean, 48 y) underwent ACDR for the treatment of ASD after previous ACDF (single-level: n=12; 2-level: n=15; 3-level: n=5)...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525481/comparison-of-the-clinical-and-radiographic-results-between-cervical-artificial-disk-replacement-and-anterior-cervical-fusion-a-6-year-prospective-nonrandomized-comparative-study
#14
Wei Tian, Kai Yan, Xiao Han, Jie Yu, Peihao Jin, Xiaoguang Han
STUDY DESIGN: Prospective nonrandomized comparative study. OBJECTIVE: To compare the long-term clinical and radiographic results of cervical artificial disk replacement (CADR) and anterior cervical discectomy and fusion (ACDF), and to provide our evidence if CADR could reduce adjacent segment degeneration (ASD). SUMMARY OF BACKGROUND DATA: CADR is widely used in spine surgery today. Despite the short-term results of it having been ascertained, the long-term results are still under observation...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525477/reasons-of-dysphagia-after-operation-of-anterior-cervical-decompression-and-fusion
#15
Bing Wu, Fei Song, Shourong Zhu
STUDY DESIGN: Retrospective study. OBJECTIVE: To analyze the reasons, clinical manifestation, risk factors, prevention, and treatment of dysphagia after operation of anterior cervical decompression and fusion (ACDF). SUMMARY OF BACKGROUND DATA: Dysphagia is one of severe complications after ACDF. There were a few studies about reasons and prevention of dysphagia. METHODS: We retrospectively reviewed medical charts of patients who underwent ACDF in our hospital from January 2012 to December 2012...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525475/a-comparison-of-multilevel-anterior-cervical-discectomy-and-corpectomy-in-patients-with-4-level-cervical-spondylotic-myelopathy-a-minimum-2-year-follow-up-study-multilevel-anterior-cervical-discectomy
#16
Zhonghai Li, Jiancheng Huang, Zhizhong Zhang, Fengning Li, Tiesheng Hou, Shuxun Hou
STUDY DESIGN: Retrospective clinical series. OBJECTIVES: To compare perioperative parameters, clinical outcomes, radiographic parameters, and complication rates of segmental anterior cervical corpectomy and fusion (sACCF) plus preservation of middle vertebrae with those of multilevel anterior cervical discectomy and fusion (mACDF) in 70 patients with 4-level cervical spondylotic myelopathy (CSM). METHODS: Between July 2006 and May 2011, 70 consecutive patients [49 males and 21 females; mean age 56...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525473/is-total-disk-replacement-a-cost-effective-treatment-for-cervical-degenerative-disk-disease
#17
Bernd Wiedenhöfer, Joachim Nacke, Mike Stephan, Wiltrud Richter, Claus Carstens, Markus Eichler
STUDY DESIGN: A retrospective study. OBJECTIVE: The objective of this study was to assess the cost-effectiveness and clinical outcome of motion-preserving versus fusion procedures in cervical spine surgery. SUMMARY OF BACKGROUND DATA: During the last decade there has been a huge growth in spine surgery with a concurrent increase in the economic burden. Currently, there appear to be no differences in clinical outcome between cervical total disk replacement (TDR) and spinal fusion (SF)...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525471/cervical-disk-replacement-with-discover-versus-fusion-in-a-single-level-cervical-disk-disease-a-prospective-single-center-randomized-trial-with-a-minimum-2-year-follow-up
#18
Marjan Rožanković, Sergej M Marasanov, Miroslav Vukić
STUDY DESIGN: Prospective randomized study. OBJECTIVE: To compare the clinical outcome after Discover arthroplasty versus anterior cervical discectomy and fusion (ACDF) in patients treated for symptomatic single-level cervical disk disease. SUMMARY OF BACKGROUND DATA: ACDF is still the gold standard for surgical treatment of cervical spine degenerative disk disease. However, results of many studies suggest that it may cause degenerative changes at levels immediately above and below the fusion, known as adjacent segment degenerative disease...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525470/factors-affecting-the-nonlinear-force-versus-distraction-height-curves-in-an-in-vitro-c5-c6-anterior-cervical-distraction-model
#19
Junxiang Wen, Jianwei Xu, Lijun Li, Mingjie Yang, Jie Pan, Deyu Chen, Lianshun Jia, Jun Tan
STUDY DESIGN: In vitro biomechanical study of cervical intervertebral distraction. OBJECTIVE: To investigate the forces required for distraction to different heights in an in vitro C5-C6 anterior cervical distraction model, focusing on the influence of the intervertebral disk, posterior longitudinal ligament (PLL), and ligamentum flavum (LF). SUMMARY OF BACKGROUND DATA: No previous studies have reported on the forces required for distraction to various heights or the factors resisting distraction in anterior cervical discectomy and fusion...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28524752/widening-of-the-safe-trajectory-range-during-subaxial-cervical-pedicle-screw-placement-advantages-of-a-curved-pedicle-probe-and-laterally-located-starting-point-without-creating-a-funnel-shaped-hole
#20
Subum Lee, Junghan Seo, Moon Kyu Lee, Sang Ryong Jeon, Sung Woo Roh, Seung Chul Rhim, Jin Hoon Park
OBJECTIVE The small diameter of cervical pedicles and a large transverse cervical pedicle angle are challenges that have led spinal surgeons to investigate how they could achieve a wider safety trajectory and reduce the insertion angle during cervical pedicle screw (CPS) placement. In this paper, the authors detail the advantages of using a curved pedicle probe and a laterally located entry point for overcoming these challenges. METHODS From March 2012 to May 2016, the authors performed posterior cervical fusions using CPSs on 119 consecutive patients...
May 19, 2017: Journal of Neurosurgery. Spine
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