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https://www.readbyqxmd.com/read/28625479/the-change-of-adjacent-segment-after-cervical-disc-arthroplasty-compared-with-anterior-cervical-discectomy-and-fusion-a-meta-analysis-of-randomized-controlled-trials
#1
REVIEW
Liang Dong, Zhengwei Xu, Xiujin Chen, Dongqi Wang, Dichen Li, Tuanjing Liu, Dingjun Hao
BACKGROUD CONTEXT: Many meta-analyses have been performed to study the efficacy of cervical disc arthroplasty (CDA) compared with anterior cervical discectomy and fusion (ACDF); however, there are few data referring to adjacent segment within these meta-analyses, or investigators are unable to arrive at the same conclusion in the few meta-analyses about adjacent segment. With the increased concerns surrounding adjacent segment degeneration (ASDeg) and adjacent segment disease (ASDis) after anterior cervical surgery, it is necessary to perform a comprehensive meta-analysis to analyze adjacent segment parameters...
June 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28598895/the-concurrent-use-of-lumbar-total-disc-arthroplasty-and-anterior-lumbar-interbody-fusion-the-lumbar-hybrid-procedure-for-the-treatment-of-multi-level-symptomatic-degenerative-disc-disease-a-prospective-study
#2
Matthew Scott-Young, Laurence McEntee, Ben Schram, Evelyne Rathbone, Wayne Hing, David Nielsen
STUDY DESIGN: A prospective study. OBJECTIVE: The aim of this paper is to evaluate clinical and patient outcomes post combined Total Disc Arthroplasty (TDA) and Anterior Lumbar Interbody Fusion (ALIF), known as hybrid surgery for the treatment of multi-level symptomatic degenerative disc disease (DDD). SUMMARY OF BACKGROUND DATA: Class I studies comparing the treatment of one level lumbar DDD with TDA and ALIF have confirmed the effectiveness of those treatments through clinical and patient outcomes...
June 8, 2017: Spine
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/28546769/treatment-of-chronic-low-back-pain-new-approaches-on-the-horizon
#5
REVIEW
Nebojsa Nick Knezevic, Shane Mandalia, Jennifer Raasch, Ivana Knezevic, Kenneth D Candido
Back pain is the second leading cause of disability among American adults and is currently treated either with conservative therapy or interventional pain procedures. However, the question that remains is whether we, as physicians, have adequate therapeutic options to offer to the patients who suffer from chronic low back pain but fail both conservative therapy and interventional pain procedures before they consider surgical options such as discectomy, disc arthroplasty, or spinal fusion. The purpose of this article is to review the potential novel therapies that are on the horizon for the treatment of chronic low back pain...
2017: Journal of Pain Research
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/28511972/a-matched-cohort-comparison-of-cervical-disc-arthroplasty-versus-anterior-cervical-discectomy-and-fusion-evaluating-perioperative-outcomes
#7
Pavan S Upadhyayula, John K Yue, Erik I Curtis, Reid Hoshide, Joseph D Ciacci
OBJECTIVE: Cervical disc arthroplasty (CDA) is a recent alternative to anterior cervical discectomy and fusion (ACDF) in patients suffering cervical disc herniation and degeneration. To date, a systematic analysis of their comparative advantages and risks following elective surgery remains elusive. METHODS: Adult patients undergoing elective CDA or ACDF were extracted from the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database years 2011-2014...
May 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28500999/effects-of-working-gas-pressure-on-zirconium-dioxide-thin-film-prepared-by-pulsed-plasma-deposition-roughness-wettability-friction-and-wear-characteristics
#8
M Berni, G Marchiori, A Gambardella, M Boi, M Bianchi, A Russo, A Visani, M Marcacci, P G Pavan, N F Lopomo
In joint arthroplasty one of the main issues related to the failure of prosthetic implants is due to the wear of the ultra-high molecular weight polyethylene (UHMWPE) component. Surface treatments and coatings have been recognized as enhancing methods, able to improve the tribological properties of the implants. Therefore, the main objective of this work was to investigate the possibility to fabricate yttria-stabilized zirconia (YSZ) coatings on a metal (AISI 316-L) substrate by means of Pulsed Electron Deposition, in order to improve the tribological behavior of the polymer-metal coupling, by reducing the initial wear of the UHMWPE component...
May 4, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28420544/disclosing-agents-for-the-intraoperative-identification-of-biofilms-on-orthopedic-implants
#9
Joshua A Parry, Melissa J Karau, Sanjeev Kakar, Arlen D Hanssen, Robin Patel, Matthew P Abdel
BACKGROUND: Disclosing agents are dyes used in dentistry to colorize plaque (biofilm) and may offer a means for intraoperative detection of biofilms on orthopedic implants. Methylene blue (MB) stains biofilm and is safely used in orthopedic applications. Injection of MB into acutely infected prosthetic knees before debridement may enable visualization of biofilm, which could influence treatment decisions. The aims of this study were to determine if MB could be used to visualize biofilm on total knee arthroplasty (TKA) implants and to determine if MB staining has an antimicrobial effect that might interfere with subsequent culture...
March 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28382391/maverick-total-disc-arthroplasty-performs-well-at-10%C3%A2-years-follow-up-a-prospective-study-with-hrql-and-balance-analysis
#10
N Plais, X Thevenot, A Cogniet, J Rigal, J C Le Huec
PURPOSE: The treatment of low back pain associated to Disc Degenerative Disease (DDD) is still controversial. Segmental Fusion is the gold standard, but many studies have reported that motion-preserving devices bring substantial clinical benefits to patients. Concerns on the associated complications and on the long-term clinical effectiveness of such instrumentations are still present and have led recently to a decrease of the number of Lumbar Total Disk Replacements (TDR). The objective of this prospective study is to present the clinical and radiographic outcomes of the Maverick Lumbar disk prostheses (Medtronic, TE, Memphis, USA) at long-term follow-up...
April 5, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28378073/kinematics-of-cervical-segments-c5-c6-in-axial-rotation-before-and-after-total-disc-arthroplasty
#11
Martin Michael Wachowski, Jan Weiland, Markus Wagner, Riccardo Gezzi, Dietmar Kubein-Meesenburg, Hans Nägerl
PURPOSE: The kinematical properties of C5/C6 segments in axial rotation are evaluated before and after total disc arthroplasty (TDA) with PRESTIGE(®)-and BRYAN(®) Cervical Disc (Medtronic) under flexion/extension as parameters and compared with those of C3/C4. METHODS: Eight human segments were stimulated by triangularly varying, axially directed torque (T z(t)) under compressing static axial preloads. Using a 6D-measuring device with high resolution, the response of segmental motion was characterized by the instantaneous helical axis (IHA)...
April 4, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28358860/discover-cervical-disc-arthroplasty-versus-anterior-cervical-discectomy-and-fusion-in-symptomatic-cervical-disc-diseases-a-meta-analysis
#12
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/28357067/mid-term-efficacy-and-safety-of-cervical-disc-arthroplasty-versus-fusion-in-cervical-spondylosis-a-systematic-review-and-meta-analysis
#13
Guo-Sheng Zhao, Qiao Zhang, Zheng-Xue Quan
Anterior cervical discectomy and fusion (ACDF) and cervical disc arthroplasty (CDA) are the most commonly used procedures in cervical spondylosis. However, only a few published studies exist in the literature comparing these two operation types, particularly its mid-term efficacy and safety. Furthermore, in those studies, even large sample trials, when compared, have elicited controversial results, making it inconvenient for clinicians to refer to them. The aim of the present study was to clarify the advantages and shortcomings of the two procedures...
February 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28353143/cervical-disc-replacement-surgery-biomechanical-properties-postoperative-motion-and-postoperative-activity-levels
#14
REVIEW
Alfred Pisano, Melvin Helgeson
PURPOSE OF REVIEW: Cervical disc arthroplasty (CDA) is an evolving technique used in the treatment of cervical disc disease. To remain up to date on studies regarding its efficacy, we sought to answer three questions: What do biomechanical studies demonstrate in regard to the kinematics of CDA? How does CDA affect cervical motion? What are the postoperative activity levels of patients after cervical disc arthroplasty? RECENT FINDINGS: 1) In regard to biomechanics, recent data suggests that CDA maintains motion while possibly altering facet biomechanics...
June 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28343045/cervical-disc-arthroplasty-do-conflicts-of-interest-influence-the-outcome-of-clinical-studies
#15
REVIEW
Ankur S Narain, Fady Y Hijji, Kelly H Yom, Krishna T Kudaravalli, Kern Singh
BACKGROUND CONTEXT: Cervical disc arthroplasty (CDA) is an emerging technique for the treatment of cervical degenerative disease. Multiple studies have investigated the outcomes of CDA, particularly in comparison with cervical arthrodesis techniques such as anterior cervical discectomy and fusion (ACDF). As many entities have financial interests in CDA implants, it is imperative to consider the influence of conflicts of interest on the results of studies investigating the efficacy of CDA...
March 22, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28337729/adjacent-level-disease-background-and-update-based-on-disc-replacement-data
#16
REVIEW
I David Kaye, Alan S Hilibrand
PURPOSE OF REVIEW: The precise etiology of adjacent segment disease following cervical spine surgery is controversial. Theories for development include inevitable changes secondary to the natural progression of the degenerative cascade and changes secondary to altered biomechanics of the fused cervical spine. Motion preserving techniques, such as cervical disc arthroplasties (CDA), have been introduced with the hopes of reducing the rates of adjacent segment pathology. Recently, 7-year data from the investigational device exemption (IDE) studies have been published...
June 2017: Current Reviews in Musculoskeletal Medicine
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
#17
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/28291414/is-cervical-disc-arthroplasty-good-for-congenital-cervical-stenosis
#18
COMPARATIVE STUDY
Peng-Yuan Chang, Hsuan-Kan Chang, Jau-Ching Wu, Wen-Cheng Huang, Li-Yu Fay, Tsung-Hsi Tu, Ching-Lan Wu, Henrich Cheng
OBJECTIVE Cervical disc arthroplasty (CDA) has been demonstrated to be as safe and effective as anterior cervical discectomy and fusion (ACDF) in the management of 1- and 2-level degenerative disc disease (DDD). However, there has been a lack of data to address the fundamental discrepancy between the two surgeries (CDA vs ACDF), and preservation versus elimination of motion, in the management of cervical myelopathy associated with congenital cervical stenosis (CCS). Although younger patients tend to benefit more from motion preservation, it is uncertain if CCS caused by multilevel DDD can be treated safely with CDA...
May 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28290960/outcomes-following-multilevel-cervical-disc-arthroplasty-in-the-young-active-population
#19
Nicholas J Zarkadis, Andrew W Cleveland, Nicholas A Kusnezov, John C Dunn, Pedro M Caram, Joshua P Herzog
BACKGROUND: Cervical radiculopathy is a common disorder that portends significant morbidity. The presence of radiculopathy can have a debilitating effect on patients as well as a significant economic impact. Active duty military patients with increased physical occupational demands can be significantly impacted by cervical disease. The resulting disability can have a strong negative impact on operational readiness. Several studies have demonstrated comparably good functional outcomes between cervical disc arthroplasty (CDA) and anterior cervical discectomy and fusion for single-level disease...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28272256/a-morphometric-study-of-the-middle-and-lower-cervical-vertebral-endplates-and-their-components
#20
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)
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