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Neurosurgical Focus

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https://www.readbyqxmd.com/read/28151000/44th-annual-meeting-of-the-cervical-spine-research-society
#1
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28142281/adjacent-level-arthroplasty-following-cervical-fusion
#2
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/28142280/can-segmental-mobility-be-increased-by-cervical-arthroplasty
#3
Hsuan-Kan Chang, Chih-Chang Chang, Tsung-Hsi Tu, Jau-Ching Wu, Wen-Cheng Huang, Li-Yu Fay, Peng-Yuan Chang, Ching-Lan Wu, Henrich Cheng
OBJECTIVE Many reports have successfully demonstrated that cervical disc arthroplasty (CDA) can preserve range of motion after 1- or 2-level discectomy. However, few studies have addressed the extent of changes in segmental mobility after CDA or their clinical correlations. METHODS Data from consecutive patients who underwent 1-level CDA were retrospectively reviewed. Indications for surgery were medically intractable degenerative disc disease and spondylosis. Clinical outcomes, including visual analog scale (VAS)-measured neck and arm pain, Neck Disability Index (NDI), and Japanese Orthopaedic Association (JOA) scores, were analyzed...
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28142263/current-practice-of-cervical-disc-arthroplasty-a-survey-among-383-aospine-international-members
#4
Timothy C Chin-See-Chong, Pravesh S Gadjradj, Robert J Boelen, Biswadjiet S Harhangi
OBJECTIVE The use of cervical disc arthroplasty (CDA) in spinal practice is controversial. This may be explained by the lack of studies with a large sample size and long-term outcomes. With this survey the authors aimed to evaluate the opinions of spine surgeons on the use of CDA in the current treatment of cervical disc herniation (CDH). METHODS A web-based survey was sent to all members of AOSpine International by email using SurveyMonkey on July 18, 2016. A single reminder was sent on August 18, 2016. Questions included geographic location; specialty; associated practice model; number of discectomies performed annually; the use of CDA, anterior cervical discectomy (ACD), and anterior cervical discectomy and fusion (ACDF); and the expectations for clinical outcomes of these procedures...
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28142261/thirty-day-readmission-and-reoperation-rates-after-single-level-anterior-cervical-discectomy-and-fusion-versus-those-after-cervical-disc-replacement
#5
Niketh Bhashyam, Rafael De la Garza Ramos, Jonathan Nakhla, Rani Nasser, Ajit Jada, Taylor E Purvis, Daniel M Sciubba, Merritt D Kinon, Reza Yassari
OBJECTIVE The goal of this study was to compare 30-day readmission and reoperation rates after single-level anterior cervical discectomy and fusion (ACDF) versus those after cervical disc replacement (CDR). METHODS The authors used the 2013-2014 American College of Surgeons National Surgical Quality Improvement Program database. Included were adult patients who underwent first-time single-level ACDF or CDR for cervical spondylosis or disc herniation. Primary outcome measures were readmission and/or reoperation within 30 days of the original surgery...
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
#6
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/28142256/multilevel-cervical-arthroplasty-current-evidence-a-systematic-review
#7
Andrei F Joaquim, K Daniel Riew
OBJECTIVE Cervical disc arthroplasty (CDA) has been demonstrated to be an effective treatment modality for single-level cervical radiculopathy or myelopathy. Its advantages over an anterior cervical discectomy and fusion (ACDF) include motion preservation and decreased reoperations at the index and adjacent segments up to 7 years postoperatively. Considering the fact that many patients have multilevel cervical disc degeneration (CDD), the authors performed a systematic review of the clinical studies evaluating patients who underwent multilevel CDA (2 or more levels)...
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28142250/introduction-cervical-arthroplasty
#8
Domagoj Coric, Praveen V Mummaneni, Vincent Traynelis, Jeffrey Wang
No abstract text is available yet for this article.
February 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28142245/cervical-arthroplasty-what-does-the-labeling-say
#9
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/28042726/hybrid-cervical-disc-arthroplasty
#10
Tsung-Hsi Tu, Jau-Ching Wu, Henrich Cheng, Praveen V Mummaneni
For patients with multilevel cervical stenosis at nonadjacent segments, one of the traditional approaches has included a multilevel fusion of the abnormal segments as well as the intervening normal segment. In this video we demonstrate an alternative treatment plan with tailored use of a combination of anterior cervical discectomy and fusion (ACDF) and cervical disc arthroplasty (CDA) with an intervening skipped level. The authors present the case of a 72-year-old woman with myeloradiculopathy and a large disc herniation with facet joint degeneration at C3-4 and bulging disc at C5-6...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28042725/stepwise-illustration-of-teeth-fixation-semi-constrained-cervical-disc-arthroplasty
#11
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/28042724/cervical-arthroplasty
#12
William T Couldwell
No abstract text is available yet for this article.
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28042723/two-level-cervical-arthroplasty-using-a-no-distraction-technique
#13
Deshpande Rajakumar, Ankit Sharma, Akshay Hari, Subhas Konar, Murali Krishna
Cervical arthroplasty is being recognized as an emerging alternative to anterior cervical fusion with comparable or superior outcomes. The authors describe the surgical nuances of 2-level cervical arthroplasty in a case of 2-level degenerative disease. In this surgical technique, conventional vertebral body distraction has been avoided to prevent facet distraction, which can be a cause of persistent postoperative neck pain. Good motion preservation was observed at the 1-year follow-up examination. The video can be found here: https://youtu...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28042722/m6-c-artificial-disc-placement
#14
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
https://www.readbyqxmd.com/read/28042721/surgical-technique-for-revision-surgery-of-cervical-artificial-disc-replacements
#15
Julia Onken, Bernhard Meyer, Peter Vajkoczy
OBJECTIVE Cervical artificial disc replacement (C-ADR) is a widely used procedure with low risk at implantation. Few cases have been reported about the surgical techniques of C-ADR revision. The authors describe their surgical experience with the explantation of a Galileo C-ADR. METHODS Revision surgery was performed in a 58-year-old patient. Patient positioning and surgical opening techniques were performed as appropriate for anterior cervical decompression. RESULTS Revision surgery via the initial anterior approach was successful following an atraumatic removal of the implant...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28042720/resection-of-uncovertebral-joints-and-posterior-longitudinal-ligament-for-cervical-disc-arthroplasty
#16
Tsung-Hsi Tu, Chih-Chang Chang, Jau-Ching Wu, Li-Yu Fay, Wen-Cheng Huang, Henrich Cheng
The most commonly accepted indications for cervical disc arthroplasty (CDA) are 1- and 2-level cervical disc herniation or spondylosis causing radiculopathy or myelopathy that is refractory to medical management. Unlike anterior cervical discectomy and fusion (ACDF), which eliminates motion, CDA aims to restore the physiological range of motion of the indexed joint. Thus, the effect of indirect decompression gained by the insertion of a sufficiently large interbody graft and incorporation into arthrodesis after ACDF cannot be duplicated for CDA...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28041330/quality-of-life-after-different-surgical-procedures-for-the-treatment-of-spinal-metastases-results-of-a-single-center-prospective-case-series
#17
Godard C W de Ruiter, Claudine O Nogarede, Jasper F C Wolfs, Mark P Arts
OBJECTIVE The performance of surgery for spinal metastases is rapidly increasing. Different surgical procedures, ranging from stabilization alone to stabilization combined with corpectomy, are thereby performed for various indications. Little is known about the impact of these different procedures on patient quality of life (QOL), but this factor is crucial when discussing the various therapeutic options with patients and their families. Thus, the authors of this study investigated the effect of various surgical procedures for spinal metastases on patient QOL...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28041329/the-impact-of-histology-and-delivered-dose-on-local-control-of-spinal-metastases-treated-with-stereotactic-radiosurgery
#18
Yoshiya Yamada, Evangelia Katsoulakis, Ilya Laufer, Michael Lovelock, Ori Barzilai, Lily A McLaughlin, Zhigang Zhang, Adam M Schmitt, Daniel S Higginson, Eric Lis, Michael J Zelefsky, James Mechalakos, Mark H Bilsky
OBJECTIVE An analysis of factors contributing to durable radiographic control of spinal metastases was undertaken, drawing from a large single-institution database in an attempt to elucidate indications and dose requirements for successful treatment. METHODS All patients treated at a single institution with stereotactic radiosurgery (SRS) of the spine as first-line therapy were assessed for local progression of the treated site, defined as radiographic enlargement of the treated tumor and/or biopsy-proven evidence of active tumor cells...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28041328/image-guided-stereotactic-radiosurgery-for-treatment-of-spinal-hemangioblastoma
#19
James Pan, Allen L Ho, Myreille D'Astous, Eric S Sussman, Patricia A Thompson, Armine T Tayag, Louisa Pangilinan, Scott G Soltys, Iris C Gibbs, Steven D Chang
OBJECTIVE Stereotactic radiosurgery (SRS) has been an attractive treatment option for hemangioblastomas, especially for lesions that are surgically inaccessible and in patients with von Hippel-Lindau (VHL) disease and multiple lesions. Although there has been a multitude of studies examining the utility of SRS in intracranial hemangioblastomas, SRS has only recently been used for spinal hemangioblastomas due to technical limitations. The purpose of this study is to provide a long-term evaluation of the effectiveness of image-guided radiosurgery in halting tumor progression and providing symptomatic relief for spinal hemangioblastomas...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28041327/bone-graft-options-for-spinal-fusion-following-resection-of-spinal-column-tumors-systematic-review-and-meta-analysis
#20
Benjamin D Elder, Wataru Ishida, C Rory Goodwin, Ali Bydon, Ziya L Gokaslan, Daniel M Sciubba, Jean-Paul Wolinsky, Timothy F Witham
OBJECTIVE With the advent of new adjunctive therapy, the overall survival of patients harboring spinal column tumors has improved. However, there is limited knowledge regarding the optimal bone graft options following resection of spinal column tumors, due to their relative rarity and because fusion outcomes in this cohort are affected by various factors, such as radiation therapy (RT) and chemotherapy. Furthermore, bone graft options are often limited following tumor resection because the use of local bone grafts and bone morphogenetic proteins (BMPs) are usually avoided in light of microscopic infiltration of tumors into local bone and potential carcinogenicity of BMP...
January 2017: Neurosurgical Focus
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