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https://www.readbyqxmd.com/read/27902945/artificial-cervical-disc-replacement-with-the-prestige-lp-prosthesis-for-the-treatment-of-non-contiguous-2-level-cervical-degenerative-disc-disease-a-minimum-24-month-follow-up
#1
Tingkui Wu, Beiyu Wang, Chen Ding, Yang Meng, Jigang Lou, Yi Yang, Hao Liu
OBJECTIVE: We describe the features of non-contiguous 2-level cervical degenerative disc disease (NCDDD), investigate the safety and feasibility of artificial cervical disc replacement (ACDR) for the treatment of NCDDD, and expect that our study will provide spine surgeons with an alternative procedure for NCDDD. METHODS: Twenty-five patients with NCDDD received ACDR with a Prestige-LP prosthesis. Clinical outcomes were evaluated using the 36-Short Form (SF-36, Mental Component Summary [MCS] and Physical Component Summary [PCS]), Visual Analog Scale (VAS), Japanese Orthopedic Association (JOA), and Neck Disability Index (NDI) scores...
November 17, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27890691/minimum-four-year-subsequent-surgery-rates-of-cervical-disc-replacement-versus-fusion-a-meta-analysis-of-prospective-randomized-clinical-trials
#2
Tingkui Wu, Hao Liu, Beiyu Wang, Yang Meng
: InstructionAnterior cervical discectomy and fusion (ACDF) is a well-accepted surgical management strategy for radiculopathy and/or myelopathy.However, complications sometimes required subsequent surgery at the operated and adjacent levels. Artificial cervical disc replacement (ACDR) has been accepted as the most extensive non-fusion procedure and is designed to preserve motion. However, some specific complications can resultinsubsequent surgery, thus attracting the attention of investigators...
November 24, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27888676/revision-surgery-for-cervical-artificial-disc-surgical-technique-and-clinical-results
#3
J Onken, A Reinke, J Radke, T Finger, S Bayerl, P Vajkoczy, B Meyer
OBJECTIVE: Cervical artificial disc replacement (C-ADR) was developed with the goal of preserving mobility of the cervical segment in patients with degenerative disc disease. So far, little is known about experiences with revision surgery and explantation of C-ADRs. Here, we report our experience with revision the third generation, Galileo-type disc prosthesis from a retrospective study of two institutions. PATIENTS AND METHODS: Between November 2008 and July 2016, 16 patients with prior implantation of C-ADR underwent removal of the Galileo-type disc prosthesis (Signus, Medizintechnik, Germany) due to a call back by industry...
October 31, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27751923/return-to-sports-after-cervical-total-disc-replacement
#4
Andreas Reinke, Michael Behr, Alexander Preuss, Jimmy Villard, Bernhard Meyer, Florian Ringel
OBJECT: Total disc replacement (TDR) is typically indicated in young patients with a cervical soft disc herniation. To date, there are few data on the activity level of patients after cervical TDR; in particular, from young patients who are expected to have a high activity level with frequent exercising. The expectation is that returning to active sports after cervical TDR is not restricted. METHODS: Fifty patients were treated with a monosegmental cervical TDR at our department between May 2006 and March 2012...
October 14, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27713104/quantitative-morphometric-study-of-the-subaxial-cervical-vertebrae-end-plate
#5
Hang Feng, Xiangyi Fang, Dageng Huang, Chengcheng Yu, Songchuan Zhao, Dingjun Hao
BACKGROUND CONTEXT: Cervical disc arthroplasty has been gradually adopted as an alternative for the treatment of cervical degenerative disease. However, there is a large discrepancy between footprints of currently available cervical disc prostheses and anatomic dimensions of cervical end plates. PURPOSE: This study aimed to accurately and comprehensively quantify the three-dimensional (3D) anatomic morphology of the cervical vertebral end plate and provide a theoretical basis for designing appropriate disc prostheses...
October 3, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27683682/anterior-cervical-disc-arthroplasty-acda-versus-anterior-cervical-discectomy-and-fusion-acdf-a-systematic-review-and-meta-analysis
#6
Monish M Maharaj, Ralph J Mobbs, Jarred Hogan, Dong Fang Zhao, Prashanth J Rao, Kevin Phan
BACKGROUND: Surgical approaches are usually required in cases of severe cervical disc disease. The traditional method of anterior cervical disc fusion (ACDF) has been associated with reduced local mobility and increased occurrence of adjacent segment disease. The newer method of anterior cervical disc arthroplasty (ACDA) relies upon artificial discs of various products. Current literature is inconsistent in the comparative performance of these methods with regards to clinical, radiological and patient outcomes...
December 2015: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/27612794/wear-studies-on-zro2-filled-peek-as-coating-bearing-materials-for-artificial-cervical-discs-of-ti6al4v
#7
Jian Song, Yuhong Liu, Zhenhua Liao, Song Wang, Rajnesh Tyagi, Weiqiang Liu
Polyetheretherketone (PEEK) and its composite coatings are believed to be the potential candidates' bio-implant materials. However, these coatings have not yet been used on the surface of titanium-based orthopedics and joint products and very few investigations on the tribological characteristics could be found in the published literature till date. In this study, the wettabilities, composition and micro-hardness were characterized using contact angle measurement, scanning electron microscopy (SEM) and hardness tester...
December 1, 2016: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27470956/-clinical-outcome-of-mid-term-follow-up-of-anterior-cervical-non-fusion-surgery-versus-anterior-cervical-discectomy-and-fusion-for-cervical-spondylosis
#8
L Guan, W L Wang, Y Hai, Y Z Liu, X L Chen, L Chen
OBJECTIVE: To evaluate the clinical and radiological outcomes of artificial cervical disc replacement (Prodisc-C), dynamic cervical implant and anterior cervical discectomy and fusion (ACDF) in the treatment of cervical spondylosis. METHOD: From May 2011 to May 2013, a total of 44 cervical spondylosis patients that received cervical disc arthroplasty (Prodisc-C), dynamic cervical implant (DCI) or ACDF were retrospectively reviewed in Orthopedics Department, Beijing Chaoyang Hospital, Capital Medical University...
July 5, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27437013/clinical-features-of-herniated-disc-at-cervicothoracic-junction-level-treated-by-anterior-approach
#9
Jun Gue Lee, Hyeun Sung Kim, Chang Il Ju, Seok Won Kim
OBJECTIVE: The anterior approach for C7-T1 disc herniation may be challenging because of obstruction by the manubrium and the narrow operative field. This study aimed to investigate the clinical and neurological outcomes of anterior approach for C7-T1 disc herniation. METHODS: We retrospectively evaluated 13 patients who underwent the anterior approach for C7-T1 disc herniation by a single surgeon within a period of 11 years (2003-2014). The minimum follow-up duration was 6 months...
June 2016: Korean Journal of Spine
https://www.readbyqxmd.com/read/27428486/comparison-of-the-incidence-of-patient-reported-post-operative-dysphagia-between-acdf-with-a-traditional-anterior-plate-and-artificial-cervical-disc-replacement
#10
Yi Yang, Litai Ma, Hao Liu, Yilian Liu, Ying Hong, Beiyu Wang, Chen Ding, Yuxiao Deng, Yueming Song, Limin Liu
PURPOSE: Compared with anterior cervical discectomy and fusion (ACDF), cervical disc replacement (CDR) has provided satisfactory clinical results. The incidence of post-operative dysphagia between ACDF with a traditional anterior plate and CDR remains controversial. Considering the limited studies and knowledge in this area, a retrospective study focusing on post-operative dysphagia was conducted. METHODS: The Bazaz grading system was used to assess the severity of dysphagia at post-operative intervals including 1 week, 1 month, 3 months, 6 months, 12 months and 24 months respectively...
September 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27399543/345%C3%A2-elective-anterior-cervical-discectomy-and-fusion-vs-cervical-artificial-disc-replacement-a-comparison-of-perioperative-morbidity-and-early-outcomes
#11
Pavan S Upadhyayula, John K Yue, Reid Hoshide, Erik Curtis, Joseph D Ciacci
INTRODUCTION: We conducted a retrospective cohort analysis of early outcomes after elective anterior cervical discectomy and fusion (ACDF) vs cervical artificial disc replacement (C-ADR) using the National Surgical Quality Improvement Program database. Risk factors associated with operation time, hospital length of stay, early complications, and discharge destination were studied. METHODS: Adult patients undergoing elective ACDF or C-ADR were abstracted from American College of Surgeons National Surgical Quality Improvement Program years 2011 to 2014...
August 2016: Neurosurgery
https://www.readbyqxmd.com/read/27355727/analysis-of-the-factors-that-could-predict-segmental-range-of-motion-after-cervical-artificial-disc-replacement-a-7-years-follow-up-study
#12
Wei Tian, Han Wang, Kai Yan, Xiao Han, Peihao Jin
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To identify the potential preoperative factors and surgical technique factors that are associated with long-term range of motion (ROM) after surgery. Further, this article aimed to guide selection of CADR patients and a fine surgical technique. SUMMARY OF BACKGROUND DATA: Segmental ROM is the most important parameter concerning cervical kinematics after a CADR. There are few researches regarding the influencing factors on postoperative ROM, and consistent results have not yet been reported...
June 28, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27355704/artificial-cervical-disc-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 disc 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 (FSUs) adjacent to the fusion site after ACDF...
June 28, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27355702/comparison-of-the-clinical-and-radiographic-results-between-cervical-artificial-disc-replacement-and-anterior-cervical-fusion-a-six-year-prospective-non-randomized-comparative-study
#14
Wei Tian, Kai Yan, Xiao Han, Jie Yu, Peihao Jin, Xiaoguang Han
STUDY DESIGN: Prospective non-randomized comparative study. OBJECTIVE: To compare the long-term clinical and radiographic results of cervical artificial disc replacement (CADR) and anterior cervical discectomy and fusion (ACDF), and to provide our evidence whether CADR could reduce adjacent segment degeneration (ASD). SUMMARY OF BACKGROUND DATA: CADR is widely used in spine surgery today. In spite of the short-term results of it having been ascertained, the long-term results are still under observation...
June 28, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27355319/biomechanical-analysis-of-a-novel-prosthesis-based-on-the-physiological-curvature-of-endplate-for-cervical-disc-replacement
#15
Cheng-Cheng Yu, Ding-Jun Hao, Da-Geng Huang, Li-Xiong Qian, Hang Feng, Hou-Kun Li, Song-Chuan Zhao
STUDY DESIGN: Biomechanical analysis of a novel prosthesis based on the physiological curvature of endplate was performed. OBJECTIVE: To compare the biomechanical differences between a novel prosthesis based on the physiological curvature of the endplate and the Prestige LP prosthesis after cervical disc replacement (CDR). SUMMARY OF BACKGROUND DATA: Artificial disc prostheses have been widely used to preserve the physiological function of treated and adjacent motion segments in CDR, while most of those present a flat surface instead of an arcuate surface which approximately similar to anatomic structures in vivo...
2016: PloS One
https://www.readbyqxmd.com/read/27345748/a-new-cervical-artificial-disc-prosthesis-based-on-physiological-curvature-of-end-plate-a-finite-element-analysis
#16
Cheng-Cheng Yu, Peng Liu, Da-Geng Huang, Yong-Hong Jiang, Hang Feng, Ding-Jun Hao
STUDY DESIGN: The study aimed to build a new cervical artificial disc C3-C7 segment prosthesis, and perform a biomechanical comparison between the new prosthesis and the Prestige LP prosthesis using a three-dimensional non-linear finite element (FE) model. PURPOSE: The study compared the biomechanical differences between the new cervical artificial disc prosthesis based on the physiological curvature of the end plate and the Prestige LP prosthesis after artificial disc replacement...
June 23, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27314663/anterior-cervical-discectomy-and-fusion-acdf-versus-cervical-disc-arthroplasty-cda-for-two-contiguous-levels-cervical-disc-degenerative-disease-a-meta-analysis-of-randomized-controlled-trials
#17
Shihua Zou, Junyi Gao, Bin Xu, Xiangdong Lu, Yongbin Han, Hui Meng
BACKGROUND: Anterior cervical discectomy and fusion (ACDF) has been considered as a gold standard for symptomatic cervical disc degeneration (CDD), which may result in progressive degeneration of the adjacent segments. The artificial cervical disc was designed to reduce the number of lesions in the adjacent segments. Clinical studies have demonstrated equivalence of cervical disc arthroplasty (CDA) for anterior cervical discectomy and fusion in single segment cervical disc degeneration...
June 17, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27261708/generation-and-development-of-paravertebral-ossification-in-cervical-artificial-disc-replacement-a-detailed-analytic-report-using-coronal-reconstruction-ct
#18
Wei Tian, Xiao Han, Bo Liu, Da He, Yanwei Lv, James Yue
STUDY DESIGN: A retrospective follow-up study and review of images in published papers. OBJECTIVE: To determine whether true heterotopic ossification (HO) occurs in artificial disc replacement (ADR); to evaluate the incidence of paravertebral ossification (PO) and its influence on ADR. SUMMARY OF BACKGROUND DATA: HO is typically defined as the abnormal formation of true bone within extra-skeletal soft tissues. However, HO in ADR does not fit this definition precisely, since it originates from vertebral body, making it hard to distinguish radiologically from pre-existing osteophytes...
June 3, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27244077/performance-of-cervical-arthroplasty-at-a-pseudarthrosed-level-of-a-multilevel-anterior-cervical-discectomy-and-fusion-case-report
#19
Joseph Spinelli, Christopher J Neal, Michael K Rosner
OBJECTIVE: To present a conversion from an anterior cervical discectomy and fusion (ACDF) to cervical arthroplasty in a 40-year-old, active duty member and perform a review of the literature. METHODS: A helicopter pilot in the U.S. Army underwent a three-level ACDF in 2010 at a nonmilitary institution for symptoms of bilateral upper-extremity radiculopathy. His symptoms resolved; however, per regulations, he was grounded. The patient recently presented at our clinic for evaluation of axial neck and intrascapular pain with radiographic evaluation revealing pseudarthrosis at C6-7 with segmental motion without facet joint degeneration...
June 2016: Military Medicine
https://www.readbyqxmd.com/read/27196024/comparison-of-outcomes-of-single-level-anterior-cervical-discectomy-with-fusion-and-single-level-artificial-cervical-disc-replacement-for-single-level-cervical-degenrative-disc-disease
#20
Praveen Kumar Pandey, Inder Pawar, Jyoti Gupta, Raaghav Rai Verma
STUDY DESIGN: Single centre, prospective comparative study of prospectively collected outcomes, with a minimum of 12 month follow-up. OBJECTIVES: The primary purpose of the study is to investigate the clinical, functional and radiological outcomes of CTDR in comparison with ACDF in the treatment of single level cervical disc degenerative disease, prospectively. SUMMARY OF BACKGROUND DATA: Cervical total disc replacement (CTDR) has recently been as an alternative to Anterior cervical discectomy and fusion (ACDF) in cervical disc degenerative disease to preserve the motion at the treated level...
May 18, 2016: Spine
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