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Interbody cervical fusion cage

Mengchen Yin, Junming Ma, Quan Huang, Ye Xia, Qixing Shen, Chenglong Zhao, Jun Tao, Ni Chen, Zhingxing Yu, Jie Ye, Wen Mo, Jianru Xiao
BACKGROUND: The low-profile angle-stable spacer Zero-P is a new kind of cervical fusion system that is claimed to limit the potential drawbacks and complications. The purpose of this meta-analysis was to compare the clinical and radiological results of the new Zero-P implant with those of the traditional anterior cage and plate in the treatment of symptomatic cervical spondylosis, and provides clinicians with evidence on which to base their clinical decision making. METHODS: The following electronic databases were searched: PMedline, PubMed, EMBASE, the Cochrane Central Register of Controlled Trials, Evidence Based Medicine Reviews, VIP, and CNKI...
October 18, 2016: BMC Musculoskeletal Disorders
L Hattou, X Morandi, J Lefebvre, P-J Le Reste, L Riffaud, P-L Hénaux
PURPOSE: The aim of this study was to assess the interbody fusion rate for patients treated by anterior cervical interbody fusion (ACIF) using polyetheretherketone (PEEK) cages filled with synthetic bone graft in acute cervical spine injury. MATERIALS AND METHODS: Twenty-nine patients (mean age: 49 years) with monosegmental instability due to cervical spine injury were followed. We assessed the rate of and time to interbody fusion at 1-year follow-up. In case of secondary displacement, we analysed its causes and surgical management...
October 5, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
G B Mahadewa Tjokorda, Golden Nyoman, Maliawan Sri, Mizuno Junichi
This report presents two cases of cervicobrachialgia and radiculopathy due to multiple cervical herniated discs and spur formation that dealt with anterior cervical discectomy and fusion (ACDF) using different titanium interbody cages. The description of the clinical presentation, magnetic resonance imaging (MRI) appearances and management strategy are discussed. Both cases showed chronic neck pain and radiating pain from the shoulder to the arm. They had a history of blurry vision, cluster head ache, weakness, and numbness on the shoulder for 2 years...
October 2016: Asian Journal of Neurosurgery
Yuanyuan Chen, Yang Liu, Huajiang Chen, Peng Cao, Wen Yuan
STUDY DESIGN: A retrospective study. OBJECTIVE: To compare clinical and radiologic outcomes of 3-level anterior cervical discectomy and fusion between a zero-profile (Zero-P) spacer and a traditional plate in cases of symptomatic cervical spine spondylosis. SUMMARY OF BACKGROUND DATA: Anterior cervical decompression and fusion is indicated for patients with anterior compression or stenosis of the spinal cord. The Zero-P spacers have been used for anterior cervical interbody fusion of 1 or 2 segments...
September 16, 2016: Clinical Spine Surgery
Michael H Weber, Maryse Fortin, Jian Shen, Bobby Tay, Serena S Hu, Sigurd Berven, Shane Burch, Dean Chou, Christopher Ames, Vedat Deviren
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To assess the subsidence and revision rates associated with different interbody cages following anterior cervical corpectomy and reconstruction. SUMMARY OF BACKGROUND DATA: Different interbody cages are currently used for surgical reconstruction of the anterior and middle columns of the spine following anterior cervical corpectomy. However, subsidence and delayed union/nonunion associated with allograft and cage reconstruction are common complications, which may require revision with instrumentation...
September 10, 2016: Clinical Spine Surgery
William R Walsh, Matthew H Pelletier, Nicky Bertollo, Chris Christou, Chris Tan
BACKGROUND: Polyetheretherketone (PEEK) has a wide range of clinical applications but does not directly bond to bone. Bulk incorporation of osteoconductive materials including hydroxyapatite (HA) into the PEEK matrix is a potential solution to address the formation of a fibrous tissue layer between PEEK and bone and has not been tested. QUESTIONS/PURPOSES: Using in vivo ovine animal models, we asked: (1) Does PEEK-HA improve cortical and cancellous bone ongrowth compared with PEEK? (2) Does PEEK-HA improve bone ongrowth and fusion outcome in a more challenging functional ovine cervical fusion model? METHODS: The in vivo responses of PEEK-HA Enhanced and PEEK-OPTIMA(®) Natural were evaluated for bone ongrowth in the form of dowels implanted in the cancellous and cortical bone of adult sheep and examined at 4 and 12 weeks as well as interbody cervical fusion at 6, 12, and 26 weeks...
November 2016: Clinical Orthopaedics and related Research
Hai-yu Shao, Jun Zhang, Di Yang, Jin-ping Chen, Ya-zeng Huang
OBJECTIVE: To compare clinical efficacy of Zero-profile implant for anterior cervical discectomy and fusion and conventional titanium plate with cage internal fixation for the treatment of single segmental cervical intervertebral disc herniation. METHODS: From August 2011 to March 2014, clinical data of 139 patients with single cervical disc herniation treated with anterior cervical discectomy and interbody fusion with internal fixation were retrospectively analyzed...
June 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Ehab Shiban, Insa Janssen, Pedro Ribeiro da Cunha, Jessica Rainer, Michael Stoffel, Jens Lehmberg, Florian Ringel, Bernhard Meyer
BACKGROUND: To date, there is growing consensus that PEEK material may be used for interbody fusion in spinal infections. Data supporting that claim are however restricted to a few very small clinical series. The aim of this study is to evaluate the outcome of surgical treatment of pyogenic spinal infections with PEEK cages in combination with posterior pedicel screw fixation. METHODS: Between 2006 and 2013, a total of 211 patients suffering from spondylodiscitis underwent surgical debridement and instrumentation...
October 2016: Acta Neurochirurgica
Fabio Papacci, Luigi Rigante, Eduardo Fernandez, Mario Meglio, Nicola Montano
Few papers have been published about the anterior cervical discectomy and fusion (ACDF) with implant of porous tantalum cages. These studies included patients submitted to operation at a single level. To our knowledge, we report the results of the largest series of ACDF with implant of porous tantalum cages. Our series included patients operated at a single or double level with a long follow-up (FU). We also discuss the pertinent literature. Clinical and outcome data of 99 consecutive patients (47 men, 52 women) submitted to ACDF with implant of porous tantalum cages (Trabecular Metal TM-S Cervical Fusion Device, Zimmer Spine, Minneapolis, MN) from June 2007 to September 2012, were retrospectively reviewed...
November 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Jae-Young Park, Ki-Young Choi, Bong Ju Moon, Hyuk Hur, Jae-Won Jang, Jung-Kil Lee
To investigate the risk factors for subsidence in patients treated with stand-alone anterior cervical discectomy and fusion (ACDF) using polyetheretherketone (PEEK) cages for single-level degenerative cervical disease. Seventy-seven consecutive patients who underwent single-level stand-alone ACDF with a PEEK cage between 2005 and 2012 were included. Subsidence was defined as a decrease in the interbody height of more than 3mm on radiographs at the 1-year follow-up compared with that in the immediate post-operative image...
November 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Majid Reza Farrokhi, Zahra Nikoo, Mehrnaz Gholami, Khadijeh Hosseini
STUDY DESIGN: Prospective, single-blind randomized controlled clinical study. OBJECTIVE: To compare polyetheretherketone (PEEK) cage with a novel Acrylic cage to find out which fusion cage yielded better clinical outcomes following single-level anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is considered a standard neurosurgical treatment for degenerative diseases of cervical intervertebral discs. There are many options, including bone grafts, bone cement, and spacers made of titanium, carbon fiber, and synthetic materials, used to restore physiologic disc height and enhance spinal fusion, but the ideal device, which would provide immediate structural support and subsequent osteo-integration and stability, has not been identified yet...
June 28, 2016: Clinical Spine Surgery
John K Burkus, Randall F Dryer, Paul M Arnold, Kevin T Foley
STUDY DESIGN: A prospective study with historical controls. OBJECTIVES: To evaluate and compare the safety and effectiveness of recombinant human bone morphogenetic protein-2 (rhBMP-2) with allograft for anterior cervical discectomy and fusion (ACDF) in patients with symptomatic single-level cervical degenerative disk disease. SUMMARY OF BACKGROUND DATA: rhBMP-2 is an osteoinductive protein that has been shown to induce fusion when used as an implant with a suitable carrier in spine surgery...
June 27, 2016: Clinical Spine Surgery
Manolo Piccirilli, Chiara Liberati, Giorgio Santoro, Antonio Santoro
STUDY DESIGN: Radiographic and clinical analysis. OBJECTIVE: Review author's experience with anterior discectomy, interbody fusion, and anterior cervical plating in 33 patients with posttraumatic unilateral cervical locked facets. SUMMARY OF BACKGROUND DATA: Unilateral cervical locked facet syndrome is a relatively uncommon injury that often is misdiagnosed and therefore subject to a dangerous delay in surgery. Management of this trauma is controversial...
July 2016: Clinical Spine Surgery
Pritish Singh, Ashok Kumar, Vishal Shekhawat
INTRODUCTION: Multiple techniques and modalities of fixation are used in Anterior Cervical Discectomy and interbody Fusion (ACDF), each with some merit and demerit against others. Such pool of techniques reflects lack of a consensus method conducive to uniformly good results. AIM: A prospective study was done to analyse safety and efficacy of tricortical autograft and anterior cervical plate (Group A) with cylindrical titanium cage filled with cancellous bone (Group B) in procedure of ACDF for single level degenerative cervical disc disease...
March 2016: Journal of Clinical and Diagnostic Research: JCDR
Sohrab Pahlavan, Sigurd Berven, Stacey Samuel Bederman
STUDY DESIGN: Retrospective study of benchmarking database. OBJECTIVE: To evaluate the variability in direct costs of spinal implants across various academic medical centers, determining variability between and within specific manufacturers, and to measure the relationship between purchasing volume and price. SUMMARY OF BACKGROUND DATA: Spinal implants are a significant component of the cost of surgery. There is an absence of transparency of how much various medical centers in the United States pay for implants because of the use of nondisclosure agreements as part of price negotiations...
March 2016: Spine
Haydar Gok, Mehmet Resit Onen, Hatice Yildirim, Ilker Gulec, Sait Naderi
AIM: Cervical disc herniation (CDH) can be treated using different anterior and posterior methods. Anterior cervical discectomy and fusion (ACDF) is currently gold standard and provides bony fusion and good clinical outcome. Recently many studies reported good clinical and radiological outcomes in cases who underwent anterior cervical discectomy (ACD) and reconstruction with empty cage. This study aimed to review our results after cervical microdiscectomy reconstructed with empty polyether ether ketone (PEEK) cage...
2016: Turkish Neurosurgery
Cameron A Elliott, Richard Fox, Robert Ashforth, Sita Gourishankar, Andrew Nataraj
OBJECT: This study was undertaken to evaluate the impact of postoperative MRI artifact on the assessment of ongoing spinal cord or nerve root compression after anterior cervical discectomy and fusion (ACDF) using a trabecular tantalum cage or bone autograft or allograft. METHODS: The authors conducted a retrospective review of postoperative MRI studies of patients treated surgically for cervical disc degenerative disease or cervical instability secondary to trauma...
March 2016: Journal of Neurosurgery. Spine
Ehsan Tabaraee, Junyoung Ahn, Daniel D Bohl, Michael J Collins, Dustin H Massel, Khaled Aboushaala, Kern Singh
STUDY DESIGN: Retrospective cohort analysis of a prospectively maintained registry. OBJECTIVE: To compare the surgical outcomes, narcotic utilization, and costs between a stand-alone (SA) cage and anterior plating (AP) with an interbody device for 1-level anterior cervical discectomy and fusion (ACDF). BACKGROUND DATA: ACDF with a SA cage has gained popularity as a potential alternative to anterior cervical plating. Few studies have compared the surgical outcomes, narcotic utilization, and costs of ACDF utilizing a SA cage versus AP with an interbody device...
November 20, 2015: Journal of Spinal Disorders & Techniques
Long Guo, Shunwu Fan
OBJECTIVE: To compare the effectiveness between anterior cervical Zero-profile interbody fusion device (Zero-P) and anterior cervical plate device (plate cage benezech, PCB) for cervical disease. METHODS: Between February 2011 and January 2013, 98 patients with cervical spondylosis who accorded with the inclusion criteria were treated with Zero-P in 49 cases (group A) and with PCB in 49 cases (group B). There was no significant difference in gender, age, disease type, disease duration, and disease segments between 2 groups (P>0...
July 2015: Chinese Journal of Reparative and Reconstructive Surgery
ZhiDong Wang, RuoFu Zhu, HuiLin Yang, MinJie Shen, Genlin Wang, Kangwu Chen, Minfeng Gan, Mao Li
BACKGROUND: Anterior cervical discectomy and fusion is the golden standard for anterior surgery treating elderly cervical degenerative disease, but the previous implant has some problems such as looseness, translocation, sinking and dysphagia, So Zero-p implant and PCB implant have been developed to decrease the complications. METHODS: The clinical data of 57 patients with single level cervical spondylotic myelopathy were retrospectively analyzed. 27 patients adopting Zero-p interbody fusion cage as implant (Zero-p group) and 30 patients adopting integrated plate cage benezech (PCB) as implant (PCB group) from January 2010 to October 2012...
2015: BMC Musculoskeletal Disorders
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