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https://www.readbyqxmd.com/read/29905042/-long-term-clinical-efficacy-of-cervical-artificial-disc-replacement-for-cervical-spondylotic-radiculopathy
#1
Qingpeng Song, Wei Tian, Da He, Xiao Han, Ning Zhang, Jinchao Wang, Zuchang Li
Objective: To evaluate the long-term efficacy and influencing factors of cervical artificial disc replacement (CADR) for patients with cervical spondylotic radiculopathy (CSR). Methods: The data of 29 CSR patients who underwent Bryan artificial disc replacement between December 2003 and December 2007 and followed up more than 10 years were retrospectively analysed. There were 16 males and 13 females with an average age of 54.1 years (range, 40-70 years). The disease duration was 2-144 months (mean, 19...
June 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29878713/comparative-study-between-m6-c-and-mobi-c-cervical-artificial-disc-replacement-biomechanical-outcomes-and-comparison-with-normative-data
#2
My Pham, Kevin Phan, Ian Teng, Ralph J Mobbs
OBJECTIVE: Cervical spondylosis affects a huge proportion of the middle-aged population. Degenerative changes can occur in multiple regions of the cervical spine typically affecting the joints, intervertebral discs and endplates. These changes lead to compression of adjacent nervous structures, which results in radiculopathic and myelopathic pain. Various treatment modalities are currently available with non-surgical approaches the initial go to if there is no symptomatic cord compression...
May 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29806337/-analysis-of-influence-of-shell-angle-of-cervical-artificial-disc-on-long-term-effectiveness-of-cervical-artificial-disc-replacement
#3
Qingpeng Song, Wei Tian, Da He, Xiao Han, Ning Zhang, Jinchao Wang, Zuchang Li, Xiao Feng
Objective: To evaluate the influence of the shell angle of cervical artificial disc on long-term effectiveness of cervical artificial disc replacement (CADR). Methods: The clinical data of 71 patients who were treated with single-level CADR with Bryan prosthesis between December 2003 and December 2007 and followed up more than 10 years, were retrospectively analyzed. There were 44 males and 27 females with an age of 26-69 years (mean, 45.9 years). According to the shell angle of the cervical artificial disc which was measured on the postoperative lateral X-ray film, the patients were divided into kyphotic group (shell angle was negative) and non-kyphotic group...
May 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29803062/intraoperative-anterior-migration-of-the-prestige-lp-disc-due-to-an-inappropriate-implantation-sequence-during-continuous-two-level-artificial-cervical-disc-replacement-a-case-report-with-an-8-year-follow-up
#4
Yang Meng, Xiaofei Wang, Zhengyang Zhao, Beiyu Wang, Tingkui Wu, Hao Liu
BACKGROUND: Two-level artificial cervical disc replacement (ACDR) is gaining attention because of its unique advantages. Among the artificial discs designed for use in ACDR, the Prestige-LP cervical disc is widely used and FDA approved. However, there are no standard implantation sequences for two-level ACDR using the Prestige-LP disc, and complications due to inappropriate implantation sequences remain unknown. CASE DESCRIPTION: A 45-year-old female underwent continuous, two-level ACDR using the Prestige-LP disc and experienced anterior migration of a previously inserted artificial disc after secondary disc implantation at an upper segment due to an inappropriate implantation sequence during surgery...
May 23, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29764039/-long-term-efficacy-of-cervical-artificial-disc-replacement-for-cervical-degenerative-diseases
#5
Q P Song, W Tian, D He, X Han, N Zhang, J C Wang, Z C Li
Objective: To evaluate the long-term efficacy of cervical artificial disc replacement for patients with cervical disc herniation and degenerative cervical canal stenosis. Methods: Total of sixty-eight patients underwent single-level Bryan artificial disc replacement in Beijing Jishuitan Hospital from December 2003 to December 2007 with a minimum 10-year follow-up were retrospectively analyzed. There were 43 males and 25 females with a mean age of (46±8) years. According to preoperative CT and MRI, the patients were divided into two groups: 27 patients in cervical disc herniation group and 41 patients in degenerative cervical canal stenosis group...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29627629/hybrid-constructs-for-performing-three-level-hybrid-surgery-a-finite-element-study
#6
Yang Li, Jia Zhu, Zhenhua Liao, Zhenjun Zhang, Weiqiang Liu
OBJECTIVE: To systematically investigate the effect of 3-level hybrid constructs on the cervical spine biomechanics based on a validated model of the C3-C7 segments. METHODS: Three hybrid constructs with 2 U-shaped dynamic cervical implants and 1 cage were simulated. The 3 constructs were 1) Cage-U-U (cage implanted at the C3-C4 level and U-shaped dynamic cervical implants implanted at the C4-C5 and C5-C6 levels), 2) U-Cage-U, and 3) U-U-Cage. Biomechanical parameters including moments, cervical motions, and stresses in the facet and implants were analyzed in flexion and extension...
June 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29605899/reoperation-and-complications-after-anterior-cervical-discectomy-and-fusion-and-cervical-disc-arthroplasty-a-study-of-52-395-cases
#7
Michael P Kelly, Claire D Eliasberg, Max S Riley, Remi M Ajiboye, Nelson F SooHoo
PURPOSE: The aim of this study was to analyze rates of perioperative complications and subsequent cervical surgeries in patients treated for cervical degenerative disc disease with anterior cervical discectomy and fusion (ACDF) and those treated with artificial cervical disc arthroplasty (ACDA) for up to 5-year follow-up. METHODS: California's Office of Statewide Health Planning and Development discharge database was analyzed for patients aged 18-65 years undergoing single-level ACDF or ACDA between 2003 and 2010...
June 2018: European Spine Journal
https://www.readbyqxmd.com/read/29595628/what-is-the-superior-surgical-strategy-for-bi-level-cervical-spondylosis-anterior-cervical-disc-replacement-or-anterior-cervical-decompression-and-fusion-a-meta-analysis-from-11-studies
#8
REVIEW
He Zhao, Li-Jun Duan, Yu-Shan Gao, Yong-Dong Yang, Xiang-Sheng Tang, Ding-Yan Zhao, Yang Xiong, Zhen-Guo Hu, Chuan-Hong Li, Xing Yu
BACKGROUND: Nowadays, anterior cervical artificial disc replacement (ACDR) has achieved favorable outcomes in treatment for patients with single-level cervical spondylosis. However, It is still controversial that whether or not it will become a potent therapeutic alternation in treating 2 contiguous levels cervical spondylosis compared with anterior cervical decompression and fusion (ACDF). Therefore, we conducted a systematic review and meta-analysis to compare the efficacy and safety of ACDR and ACDF in patients with 2 contiguous levels cervical spondylosis...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29547169/endoscopic-partial-corpectomy-using-anterior-decompression-for-cervical-myelopathy
#9
Yad Ram Yadav, Shailendra Ratre, Vijay Parihar, Amitesh Dubey, Mashoo N Dubey
Symptomatic ventral cervical cord compressions have been treated by anterior discectomy with fusion, anterior corpectomy and fusion, discectomy with an artificial disc, and minimally invasive techniques. There are complications associated with the fusion procedure, especially when a long segment fusion is undertaken. Partial removal of the vertebral body without fusion could help in avoiding fusion and its associated complications. We are describing the detailed surgical technique, indications, limitations, and early results of endoscopic partially corpectomy...
March 2018: Neurology India
https://www.readbyqxmd.com/read/29462729/the-influence-of-artificial-cervical-disc-prosthesis-height-on-the-cervical-biomechanics-a-finite-element-study
#10
Wei Yuan, Haiping Zhang, Xiaoshu Zhou, Weidong Wu, Yue Zhu
OBJECTIVE: Artificial cervical disc replacement is expected to maintain normal cervical biomechanics. At present, the effect of the Prestige LP prosthesis height on cervical biomechanics has not been thoroughly studied. This finite element study of the cervical biomechanics aims to predict how the parameters, like range of motion (ROM), adjacent intradiscal pressure, facet joint force, and bone-implant interface stress, are affected by different heights of Prestige LP prostheses. METHODS: The finite element model of intact cervical spine (C3-C7) was obtained from our previous study, and the model was altered to implant Prestige LP prostheses at the C5-C6 level...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29456709/anterior-spinal-instrumentation-combining-a-prosthetic-disc-nucleus-with-a-flexible-stabilization-device-manufacture-and-use-in-intervertebral-disc-repair
#11
Da Bao, Dawei Li
Artificial disc replacement alone is unable to completely cure cervical degenerative diseases; thus, a stabilization device markedly improves patient recovery. In order to meet this requirement, an anterior spinal instrumentation combining a prosthetic disc nucleus with a flexible stabilization device (ASI combining PDN/FD) was developed. An artificial disc was designed and manufactured using polyvinyl alcohol hydrogel (PVA-H) with a repeated freeze-melting technique, and subsequently the dehydration and swelling properties of the PVA-H were investigated...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29408574/clinical-and-radiologic-features-of-3-reconstructive-procedures-for-the-surgical-management-of-patients-with-bilevel-cervical-degenerative-disc-disease-at-a-minimum-follow-up-period-of-5-years-a-comparative-study
#12
Kai-Feng Wang, Shuo Duan, Zhen-Qi Zhu, Hai-Ying Liu, Chen-Jun Liu, Shuai Xu
OBJECTIVE: To assess the mid-long-term follow-up of the safety and efficacy of anterior cervical discectomy and fusion (ACDF), cervical artificial disc replacement (CADR) and hybrid surgery (HS) for bilevel cervical degenerative disc disease (cDDD). METHODS: 77 patients who underwent ACDF, HS, and CADR were retrospectively reviewed. Clinical effects were evaluated based on Neck Disability Index (NDI), Visual Analog Scale (VAS), and Japanese Orthopedic Association (JOA) scores and the Odom criteria...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29393833/myelopathy-after-cervical-disc-arthroplasty-due-to-progression-of-spondylosis-at-the-index-level-case-report
#13
Anita Bhansali, Michael Musacchio, Noam Stadlan
Cervical disc arthroplasty (CDA) has emerged as a popular alternative to anterior cervical discectomy and fusion (ACDF) for the surgical treatment of cervical degenerative disc disease. CDA has been well studied, with efficacy reported to be equivalent to or better than that seen with ACDF, and it is associated with a consistently low incidence of adverse events. The development or progression of myelopathy after CDA is a particularly rare occurrence. In this report, the authors describe the first known case of recurrence of myelopathy at the index level of surgery after CDA implantation due the continuation of the spondylitic process after placement of the artificial disc...
February 2, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29382028/intraoperative-conversion-of-artificial-cervical-disc-replacement-to-anterior-cervical-discectomy-and-fusion-for-iatrogenic-fracture-a-rare-case-report
#14
Bei-Yu Wang, Ting-Kui Wu, Hao Liu, Yu-Xiao Deng, Chen Ding
RATIONALE: Artificial cervical disc replacement (ACDR) has been reported to be an effective and safe surgical treatment for cervical spondylosis. However, iatrogenic fracture during ACDR surgery has rarely been reported. Considering its infrequency, we report a rare clinical case, with the aim of sharing our experience and exploring when to convert ACDR to fusion intraoperatively. PATIENTS CONCERNS: A 47-year-old woman felt neck pain with weakness and numbness in both upper limbs for 5 months...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29369059/use-of-an-ultrasonic-bone-curet-for-the-extraction-of-a-cervical-artificial-disc-a-novel-application-a-case-report
#15
J Timothy, V Petralia, J R Wilson
CASE: Eighteen months after implantation of a C6-C7 cervical artificial disc (ProDisc-C; DePuy Synthes), a 44-year-old woman presented with right-sided C7 radiculopathy. Imaging revealed posterior subsidence of the prosthesis, with C7 foraminal stenosis. An ultrasonic curet was used to safely and effectively extract the prosthesis without neurologic complication; safe access for the insertion of an intervertebral cage was facilitated. CONCLUSION: The ultrasonic curet was a safe and effective adjunct for revision artificial cervical disc replacement surgery; this technique may help to reduce potential injury to neural structures in a procedure with a traditionally high complication rate...
January 24, 2018: JBJS Case Connector
https://www.readbyqxmd.com/read/29354749/focal-hypermobility-observed-in-cervical-arthroplasty-with-mobi-c
#16
Jack William Kerferd, David Abi-Hanna, Kevin Phan, Prashanth Rao, Ralph J Mobbs
In recent decades cervical arthroplasty, or cervical disc replacement, has been steadily increasing in popularity as a procedure for the treatment of degenerative pathologies of the cervical spine. This is based on an evolving body of literature that documents superior outcomes in cervical disc replacement over fusion, for both single and double level pathologies, in well selected patients. One of the more recent and popular implants currently on the market is the Mobi-C cervical artificial disc (LDR Medical; Troyes, France)...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29315119/cervical-artificial-disc-replacement-with-discover-prosthesis-does-not-reduce-the-midterm-risk-of-heterotopic-ossification-results-of-a-cohort-study
#17
Jinhao Miao, Ye Shen, Chao Li, Lei Fang, Lei Zhang, Xiangyi Zhang, Yiman Li, Yong Kuang
STUDY DESIGN: A prospective cohort study with 79 patients. OBJECTIVE: To analyze the midterm incidence of heterotopic ossification (HO) after cervical artificial disc replacement with Discover prosthesis in treatment of cervical degenerative disc disease. MATERIALS AND METHODS: A cohort of 79 patients with 102 Discover prostheses (56 monosegment and 23 bisegments) was evaluated. Clinical and radiographic follow-up was performed. The performance of HO of the operative segments was assessed annually after the operation for 4 years...
April 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29303467/prospective-randomized-multicenter-study-of-cervical-arthroplasty-versus-anterior-cervical-discectomy-and-fusion-5-year-results-with-a-metal-on-metal-artificial-disc
#18
Domagoj Coric, Richard D Guyer, Pierce D Nunley, David Musante, Cameron Carmody, Charles Gordon, Carl Lauryssen, Margaret O Boltes, Donna D Ohnmeiss
OBJECTIVE Seven cervical total disc replacement (TDR) devices have received FDA approval since 2006. These devices represent a heterogeneous assortment of implants made from various biomaterials with different biomechanical properties. The majority of these devices are composed of metallic endplates with a polymer core. In this prospective, randomized multicenter study, the authors evaluate the safety and efficacy of a metal-on-metal (MoM) TDR (Kineflex|C) versus anterior cervical discectomy and fusion (ACDF) in the treatment of single-level spondylosis with radiculopathy through a long-term (5-year) follow-up...
March 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29245217/efficacy-and-safety-of-mobi-c-cervical-artificial-disc-versus-anterior-discectomy-and-fusion-in-patients-with-symptomatic-degenerative-disc-disease-a-meta-analysis
#19
REVIEW
Hui Lu, Lihua Peng
BACKGROUND: Total disc replacement (TDR) using Mobi-C cervical artificial disc might be promising to treat symptomatic degenerative disc disease. However, the results remained controversial. We conducted a systematic review and meta-analysis to compare the efficacy and safety of Mobi-C cervical artificial disc and anterior cervical discectomy and fusion (ACDF) in patients with symptomatic degenerative disc disease. METHODS: PubMed, EMbase, Web of science, EBSCO, and Cochrane library databases were systematically searched...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29142627/a-comparison-of-anterior-cervical-discectomy-and-fusion-versus-fusion-combined-with-artificial-disc-replacement-for-treating-3-level-cervical-spondylotic-disease
#20
Seo-Ryang Jang, Sang-Bok Lee, Kyoung-Suok Cho
Objective: The purpose of this study is to evaluate the efficacy and safety of 3-level hybrid surgery (HS), which combines fusion and cervical disc replacement (CDR), compared to 3-level fusionin patient with cervical spondylosis involving 3 levels. Methods: Patients in the anterior cervical discectomy and fusion (ACDF) group (n=30) underwent 3-level fusion and the HS group (n=19) underwent combined surgery with fusion and CDR. Clinical outcomes were evaluated using the visual analogue scale for the arm, the neck disability index (NDI), Odom criteria and postoperative complications...
November 2017: Journal of Korean Neurosurgical Society
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