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https://www.readbyqxmd.com/read/28614250/the-prevalence-of-heterotopic-ossification-among-patients-after-cervical-artificial-disc-replacement-a-systematic-review-and-meta-analysis
#1
Lingde Kong, Qinghua Ma, Fei Meng, Junming Cao, Kunlun Yu, Yong Shen
BACKGROUND: Prevalence estimates of heterotopic ossification (HO) following cervical artificial disc replacement (ADR) varied widely in previous studies. We conducted a systematic review and meta-analysis to summarize its point prevalence. METHODS: Electronic searches of PubMed, Web of Science, Embase, and Cochrane Library databases were conducted to identify studies that reported prevalence of HO. Definitions of HO and severe HO were based on McAfee grading system...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28597366/finite-element-model-predicts-the-biomechanical-performance-of-cervical-disc-replacement-and-fusion-hybrid-surgery-with-various-geometry-of-ball-and-socket-artificial-disc
#2
Yang Li, Guy R Fogel, Zhenhua Liao, Weiqiang Liu
PURPOSE: Few finite element studies have investigated changes in cervical biomechanics with various prosthesis design parameters using hybrid surgery (HS), and none have investigated those combined different HS strategies. The aim of our study was to investigate the effect of ball-and-socket prosthesis geometry on the biomechanical performance of the cervical spine combined with two HS constructs. METHODS: Two HS strategies were conducted: (1) ACDF at C4-C5 and anterior cervical disc replacement (ACDR) at C5-C6 (ACDF/ACDR), and (2) ACDR/ACDF...
June 8, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28582418/an-in-vivo-comparison-study-in-goats-for-a-novel-motion-preserving-cervical-joint-system
#3
Jie Qin, Chenguang Zhao, Dong Wang, Bo Zhao, Jun Dong, Haopeng Li, Rongxia Sang, Shuang Wang, Jiao Fu, Rangrang Kong, Xijing He
Cervical degenerative disease is one of the most common spinal disorders worldwide, especially in older people. Anterior cervical corpectomy and fusion (ACCF) is a useful method for the surgical treatment of multi-level cervical degenerative disease. Anterior cervical disc replacement (ACDR) is considered as an alternative surgical method. However, both methods have drawbacks, particularly the neck motion decrease observed after arthrodesis, and arthroplasty should only be performed on patients presenting with cervical disc disease but without any vertebral body disease...
2017: PloS One
https://www.readbyqxmd.com/read/28574978/adjacent-segment-degeneration-following-anterior-cervical-discectomy-and-fusion-versus-the-bryan-cervical-disc-arthroplasty
#4
Suo-Zhou Yan, Jun Di, Yong Shen
BACKGROUND Anterior cervical discectomy and fusion (ACDF) is an established treatment for degenerative disease of the cervical disc, but adjacent segment degeneration or instability may develop long term. The aim of this study was to investigate the risk factors for adjacent segment degeneration following ACDF compared with the use of the Bryan artificial disc for cervical disc arthroplasty (CDA). MATERIAL AND METHODS A prospective comparative study included 93 patients who underwent ACDF or CDA with the Bryan artificial cervical disc between 2002 and 2004, and who had more than eight years of follow-up...
June 2, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28536978/a-6-dof-parallel-bone-grinding-robot-for-cervical-disc-replacement-surgery
#5
Heqiang Tian, Chenchen Wang, Xiaoqing Dang, Lining Sun
Artificial cervical disc replacement surgery has become an effective and main treatment method for cervical disease, which has become a more common and serious problem for people with sedentary work. To improve cervical disc replacement surgery significantly, a 6-DOF parallel bone-grinding robot is developed for cervical bone-grinding by image navigation and surgical plan. The bone-grinding robot including mechanical design and low level control is designed. The bone-grinding robot navigation is realized by optical positioning with spatial registration coordinate system defined...
May 24, 2017: Medical & Biological Engineering & Computing
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
#6
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/28473949/minimally-invasive-anterior-cervical-discectomy-without-fusion-to-treat-cervical-disc-herniations-in-patients-with-previous-cervical-fusions
#7
Robert E Jacobson, Michelle Granville, Aldo Berti
Adjacent level cervical disc disease and secondarily progressive disc space degeneration that develops years after previously successful anterior cervical fusion at one or more levels is a common, but potentially complex problem to manage. The patient is faced with the option of further open surgery which involves adding another level of disc removal with fusion, posterior decompression, and stabilization, or possibly replacing the degenerated disc with an artificial disc construct. These three cases demonstrate that some patients, especially after minor trauma, may have small herniated discs as the cause for their new symptoms rather than progressive segmental degeneration...
April 3, 2017: Curēus
https://www.readbyqxmd.com/read/28387616/long-term-clinical-and-radiographic-outcomes-of-the-prestige-lp-artificial-cervical-disc-replacement-at-2-levels-results-from-a-prospective-randomized-controlled-clinical-trial
#8
Todd H Lanman, J Kenneth Burkus, Randall G Dryer, Matthew F Gornet, Jeffrey McConnell, Scott D Hodges
OBJECTIVE The aim of this study was to assess long-term clinical safety and effectiveness in patients undergoing anterior cervical surgery using the Prestige LP artificial disc replacement (ADR) prosthesis to treat degenerative cervical spine disease at 2 adjacent levels compared with anterior cervical discectomy and fusion (ACDF). METHODS A prospective, randomized, controlled, multicenter FDA-approved clinical trial was conducted at 30 US centers, comparing the low-profile titanium ceramic composite-based Prestige LP ADR (n = 209) at 2 levels with ACDF (n = 188)...
April 7, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28365433/percutaneous-endoscopic-cervical-discectomy-pecd-an-analysis-of-outcome-causes-of-reoperation
#9
Hyeong Seok Oh, Byeong-Wook Hwang, Sang-Joon Park, Chang-Sheng Hsieh, Sang-Ho Lee
OBJECTIVE: Percutaneous endoscopic cervical discectomy (PECD) is regarded as an effective treatment modality in cervical disc herniation, including radicular pain and lateral location of disc herniation. This study aimed to evaluate the clinical and radiologic outcomes of PECD along with the causes of reoperation and the technique itself. METHODS: Between January 2007 and November 2012, 101 patients underwent PECD at the Busan Wooridul Hospital. Three patients underwent a 2-level PECD...
June 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28358860/discover-cervical-disc-arthroplasty-versus-anterior-cervical-discectomy-and-fusion-in-symptomatic-cervical-disc-diseases-a-meta-analysis
#10
Lei Shangguan, Guang-Zhi Ning, Yu Tang, Zhe Wang, Zhuo-Jing Luo, Yue Zhou
OBJECTIVE: Symptomatic cervical disc disease (SCDD) is a common degenerative disease, and Discover artificial cervical disc, a new-generation nonconstrained artificial disk, has been developed and performed gradually to treat it. We performed this meta-analysis to compare the efficacy and safety between Discover cervical disc arthroplasty (DCDA) and anterior cervical discectomy and fusion (ACDF) for SCDD. METHODS: An exhaustive literature search of PubMed, EMBASE, and the Cochrane Library was conducted to identify randomized controlled trials that compared DCDA with ACDF for patients suffering SCDD...
2017: PloS One
https://www.readbyqxmd.com/read/28304237/cervical-disc-arthroplasty-with-the-prestige-lp-disc-versus-anterior-cervical-discectomy-and-fusion-at-2-levels-results-of-a-prospective-multicenter-randomized-controlled-clinical-trial-at-24-months
#11
Matthew F Gornet, Todd H Lanman, J Kenneth Burkus, Scott D Hodges, Jeffrey R McConnell, Randall F Dryer, Anne G Copay, Hui Nian, Frank E Harrell
OBJECTIVE The authors compared the efficacy and safety of arthroplasty using the Prestige LP cervical disc with those of anterior cervical discectomy and fusion (ACDF) for the treatment of degenerative disc disease (DDD) at 2 adjacent levels. METHODS Patients from 30 investigational sites were randomized to 1 of 2 groups: investigational patients (209) underwent arthroplasty using a Prestige LP artificial disc, and control patients (188) underwent ACDF with a cortical ring allograft and anterior cervical plate...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28272256/a-morphometric-study-of-the-middle-and-lower-cervical-vertebral-endplates-and-their-components
#12
Hang Feng, Xiang-Yi Fang, Da-Geng Huang, Cheng-Cheng Yu, Hou-Kun Li, Song-Chuan Zhao, Chao-Yuan Ge, Ru-Hai Bai, Ding-Jun Hao
Cervical disc arthroplasty is a common method of treating cervical degenerative disease. However, the footprints of most prosthesis dimensions are obtained from data of Caucasian individuals. Besides, there is a large discrepancy between footprints of currently available cervical disc prostheses and anatomic dimensions of cervical endplates. We aimed to detail the three-dimensional (3D) anatomic morphology of the subaxial cervical vertebral endplate, utilizing high-precision, high-resolution scanning equipment, and provide a theoretical basis for designing appropriate disc prostheses for Chinese patients...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28261429/radiological-parameters-of-undegenerated-cervical-vertebral-segments-in-a-korean-population
#13
Sung Hoon Choi, HeeSang Lee, Jae Hwan Cho, Jin Il Jung, Dong-Ho Lee
BACKGROUND: Several scoring systems for cervical disc and facet joint degeneration, using radiography or computed tomography, have been developed and tested for reliability. However, definitions of disc height and facet joint space narrowing vary. To our knowledge, no study has reported quantitative data for normal radiologic values of the cervical spine in the Korean population. The purpose of this study is to determine normal cervical disc height, disc height ratio, and facet joint space values, and investigate the correlation between demographic data and these values...
March 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28254671/are-patient-reported-outcomes-predictive-of-patient-satisfaction-5-years-after-anterior-cervical-spine-surgery
#14
Gregory D Schroeder, Dom Coric, Han Jo Kim, Todd J Albert, Kris E Radcliff
BACKGROUND CONTEXT: Patient satisfaction is becoming an increasing common proxy for surgical quality; however, the correlation between patient satisfaction and surgical outcomes 2 and 5 years after anterior cervical surgery has not been evaluated. PURPOSE: The study aimed to determine if patient satisfaction is predicted by improvement in patient-reported outcomes (PRO) 2 and 5 years after anterior cervical spine surgery. STUDY DESIGN: This is a retrospective analysis of prospectively collected data...
February 27, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28175519/345%C3%A2-elective-anterior-cervical-discectomy-and-fusion-vs-cervical-artificial-disc-replacement-a-comparison-of-perioperative-morbidity-and-early-outcomes
#15
Pavan S Upadhyayula, John K Yue, Reid Hoshide, Erik Curtis, Joseph D Ciacci
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28142281/adjacent-level-arthroplasty-following-cervical-fusion
#16
Deshpande V Rajakumar, Akshay Hari, Murali Krishna, Subhas Konar, Ankit Sharma
OBJECTIVE Adjacent-level disc degeneration following cervical fusion has been well reported. This condition poses a major treatment dilemma when it becomes symptomatic. The potential application of cervical arthroplasty to preserve motion in the affected segment is not well documented, with few studies in the literature. The authors present their initial experience of analyzing clinical and radiological results in such patients who were treated with arthroplasty for new or persistent arm and/or neck symptoms related to neural compression due to adjacent-segment disease after anterior cervical discectomy and fusion (ACDF)...
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28142258/bone-loss-of-vertebral-bodies-at-the-operative-segment-after-cervical-arthroplasty-a-potential-complication
#17
Dong Hwa Heo, Dong Chan Lee, Jong Yang Oh, Choon Keun Park
OBJECTIVE Bony overgrowth and spontaneous fusion are complications of cervical arthroplasty. In contrast, bone loss or bone remodeling of vertebral bodies at the operation segment after cervical arthroplasty has also been observed. The purpose of this study is to investigate a potential complication-bone loss of the anterior portion of the vertebral bodies at the surgically treated segment after cervical total disc replacement (TDR)-and discuss the clinical significance. METHODS All enrolled patients underwent follow-up for more than 24 months after cervical arthroplasty using the Baguera C disc...
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28142245/cervical-arthroplasty-what-does-the-labeling-say
#18
REVIEW
Mazda K Turel, Mena G Kerolus, Owoicho Adogwa, Vincent C Traynelis
OBJECTIVE The aim of this paper was to comprehensively review each of the Food and Drug Administration (FDA)-approved labels of 7 total cervical disc replacements, assess the exact methodology in which the trial was conducted, and provide a broad comparison of these devices to allow each surgeon to determine which disc best suits his or her specific treatment goals based on the specific labels and not the studies published. METHODS The FDA-approved labels for each of the 7 artificial discs were obtained from the official FDA website...
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28042725/stepwise-illustration-of-teeth-fixation-semi-constrained-cervical-disc-arthroplasty
#19
Chih-Chang Chang, Jau-Ching Wu, Peng-Yuan Chang, Mei-Yin Yeh, Yi-Hsuan Kuo, Li-Yu Fay, Tsung-Hsi Tu, Wen-Cheng Huang, Henrich Cheng
There are many kinds of artificial discs available for cervical disc arthroplasty (CDA), with various designs of fixation and articulation mechanisms. Each of these designs has different features and theoretically fits most optimally in selected types of patients. However, there has been insufficient literature to guide individualized selection among these CDA devices. Since CDA aims to restore the joint function rather than arthrodesis, tailor-made size, shape, and mechanical properties should be taken into account for each candidate's target disc...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28042722/m6-c-artificial-disc-placement
#20
Domagoj Coric, John Parish, Margaret O Boltes
There has been a steady evolution of cervical total disc replacement (TDR) devices over the last decade resulting in surgical technique that closely mimics anterior cervical discectomy and fusion as well as disc design that emphasizes quality of motion. The M6-C TDR device is a modern-generation artificial disc composed of titanium endplates with tri-keel fixation as well as a polyethylene weave with a polyurethane core. Although not yet approved by the FDA, M6-C has finished a pilot and pivotal US Investigational Device Exemption (IDE) study...
January 2017: Neurosurgical Focus
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