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Cervical arthroplasty

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https://www.readbyqxmd.com/read/30119037/strain-behavior-of-malaligned-cervical-spine-implanted-with-metal-on-polyethylene-metal-on-metal-and-elastomeric-artificial-disc-prostheses-a-finite-element-analysis
#1
Wen-Ming Chen, Jie Jin, Taehyung Park, Kyeong-Sik Ryu, Sung-Jae Lee
BACKGROUND: Postoperative alterations in cervical spine curvature (i.e. loss of lordotic angle) are frequently observed following total disc replacement surgery. However, it remains unclear whether such changes in lordotic angle are due to preoperative spinal deformities and/or prostheses design limitations. The objective of the study is to investigate strain and segmental biomechanics of the malaligned cervical spine following total disc replacement. METHODS: Three disc prostheses were chosen, namely a metal-on-polyethylene, a metal-on-metal, and an elastomeric prosthesis, which feature different geometrical and material design characteristics...
August 10, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/30086733/clinical-and-radiographic-outcomes-of-cervical-disc-arthroplasty-with-prestige-lp-disc-a-minimum-6-year-follow-up-study
#2
Junfeng Zeng, Hao Liu, Xin Rong, Beiyu Wang, Yi Yang, Xinlin Gao, Tingkui Wu, Ying Hong
BACKGROUND: Cervical disc arthroplasty (CDA) has been considered as an alternative to cervical arthrodesis in the treatment of cervical degenerative disc diseases (CDDD). The aim of this study was to assess the long-term clinical and radiographic outcomes of CDA with Prestige-LP Disc. METHODS: A total of 61 patients who underwent single- or two-level CDA with Prestige-LP Disc were retrospectively investigated at a minimum of 6-year follow-up. Clinical assessments included visual analogue scale (VAS) for neck and arm pain, Neck Disability Index (NDI), and Japanese Orthopedic Association (JOA) score...
August 7, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/30074973/the-impact-of-metabolic-syndrome-mets-on-30-day-outcomes-following-elective-anterior-cervical-discectomy-and-fusions-acdf
#3
Azeem Tariq Malik, Nikhil Jain, Jeffery Kim, Elizabeth Yu, Safdar N Khan
STUDY DESIGN: Retrospective review of prospective registry OBJECTIVE.: To analyze the impact of metabolic syndrome (MetS) on 30-day outcomes following elective anterior cervical discectomy and fusions (ACDFs). SUMMARY OF BACKGROUND DATA: MetS is defined as the presence of a combination of hypertension, diabetes mellitus and obesity. Past literature has reported MetS to complicate post-operative care in patients undergoing various surgical procedures, including lumbar fusions...
August 2, 2018: Spine
https://www.readbyqxmd.com/read/30004317/effects-of-preoperative-mental-distress-versus-surgical-modality-arthroplasty-or-fusion-on-long-term-outcome-in-patients-with-cervical-radiculopathy
#4
Anna MacDowall, Martin Skeppholm, Lars Lindhagen, Yohan Robinson, Claes Olerud
OBJECTIVE Several efforts have been made to investigate the long-term efficacy of artificial disc replacement surgery compared with that of fusion after decompression for the treatment of cervical degenerative disc disease and radiculopathy. However, research on the impact of mental distress on surgical treatment outcome has been sparse. The aim of the authors was to investigate the potential predictive value of preoperative risk factors in determining long-term outcome. METHODS A total of 153 patients (mean age 47 years) with single- or double-level cervical degenerative disc disease and radiculopathy were randomly assigned to undergo either anterior cervical discectomy and fusion (n = 70) or artificial disc replacement (n = 83)...
July 13, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29965813/minimally-invasive-cervical-laminectomy-for-cervical-spondylotic-myelopathy
#5
Miner N Ross, Donald A Ross
OBJECTIVE: Cervical spondylotic myelopathy is a common cause of neurological disability, especially in aging populations. There are several approaches to decompress the cervical spinal cord, including anterior cervical discectomy and fusion, corpectomy and fusion, arthroplasty, posterior cervical laminectomy with or without fusion, and laminoplasty. Less well described is minimally invasive cervical laminectomy. The authors report their technique and results for minimally invasive cervical laminectomy...
June 29, 2018: Clinical Spine 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
#6
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/29807138/femoral-neck-cortical-bone-in-female-and-male-hip-fracture-cases-differential-contrasts-in-cortical-width-and-sub-periosteal-porosity-in-112-cases-and-controls
#7
Jon Power, Nigel Loveridge, Heikki Kröger, Martyn Parker, Jonathan Reeve
OBJECTIVES: To quantitate differences between cases of hip fracture and controls in cortical width around the mid-femoral neck in men and women. METHODS: Over 5 years, 64 (14 male) participants over age 55 (mean 79) years, who had never taken bone-active drugs and suffered intra-capsular hip fracture treated by arthroplasty, donated their routinely discarded distal intra-capsular femoral neck bone for histomorphometry. After embedding, complete femoral neck cross sections from the cut surface near the narrowest part of the neck were stained with von Kossa and cortical width was measured radially every 5 degrees of arc...
September 2018: Bone
https://www.readbyqxmd.com/read/29799314/risk-factors-for-anterior-bone-loss-in-cervical-disc-arthroplasty
#8
David Christopher Kieser, Derek Thomas Cawley, Takashi Fujishiro, Simon Mazas, Louis Boissière, Ibrahim Obeid, Vincent Pointillart, Jean-Marc Vital, Olivier Gille
OBJECTIVE The objective of this study was to identify the risk factors of anterior bone loss (ABL) in cervical disc arthroplasty (CDA) and the subsequent effect of this phenomenon. METHODS The authors performed a retrospective radiological review of 185 patients with a minimum 5-year follow-up after CDA (using Bryan, Discocerv, Mobi-C, or Baguera C). Postoperative radiographs were examined and compared to the initial postoperative films to determine the percentage of ABL. The relationship of ABL to potential risk factors was analyzed...
August 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29751126/radiological-follow-up-after-implanting-cervical-disc-prosthesis-in-anterior-discectomy-a-systematic-review
#9
REVIEW
Xiaoyu Yang, Tessa Janssen, Mark P Arts, Wilco C Peul, Carmen L A Vleggeert-Lankamp
Objective The objective of this study was to review current literature on comparison of radiological outcome of cervical arthroplasty with fusion after anterior discectomy for radiculopathy. Methods A literature search was performed in PubMed, Embase, Web of Science, COCHRANE, CENTRAL and CINAHL using a sensitive search string combination. Studies were selected by predefined selection criteria (a.o. patients exclusively suffering from cervical radiculopathy) and risk of bias was assessed using a validated Cochrane Checklist adjusted for this purpose...
May 8, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29712520/outpatient-spine-surgery-defining-the-outcomes-value-and-barriers-to-implementation
#10
Arjun Vivek Pendharkar, Maryam Nour Shahin, Allen Lin Ho, Eric Scott Sussman, David Arnold Purger, Anand Veeravagu, John Kevin Ratliff, Atman Mukesh Desai
Spine surgery is a key target for cost reduction within the United States health care system. One possible strategy involves the transition of inpatient surgeries to the ambulatory setting. Lumbar laminectomy with or without discectomy, lumbar fusion, anterior cervical discectomy and fusion, and cervical disc arthroplasty all represent promising candidates for outpatient surgeries in select populations. In this focused review, the authors clarify the different definitions used in studies describing outpatient spine surgery...
May 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29709550/is-the-behavior-of-disc-replacement-adjacent-to-fusion-affected-by-the-location-of-the-fused-level-in-hybrid-surgery
#11
Ting-Kui Wu, Yang Meng, Bei-Yu Wang, Ying Hong, Xin Rong, Chen Ding, Hua Chen, Hao Liu
BACKGROUND CONTEXT: Hybrid surgery (HS), consisting of cervical disc arthroplasty (CDA) at the mobile level, along with anterior cervical discectomy and fusion at the spondylotic level, could be a promising treatment for patients with multilevel cervical degenerative disc disease (DDD). An advantage of this technique is that it uses an optimal procedure according to the status of each level. However, information is lacking regarding the influence of the relative location of the replacement and the fusion segment in vivo...
April 27, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29706590/dysphagia-27-years-after-cervical-disc-arthroplasty
#12
E Lemaire, S Ciftci, C Debry
INTRODUCTION: Dysphagia is a frequent postoperative symptom after anterior cervical disc arthroplasty. However, onset of dysphagia and neck pain a long time after surgery should suggest a diagnosis of prosthesis dislocation. CARE REPORT: A 65-year-old man with a history of cervical disc arthroplasty 27 years previously consulted for rapidly progressive dysphagia with no other associated symptoms. Physical examination and CT scan confirmed the diagnosis of anterior dislocation of the prosthesis with no signs of perforation...
April 26, 2018: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/29681021/clinical-and-radiological-outcomes-of-cervical-disc-arthroplasty-ten-year-follow-up-study
#13
Qingpeng Song, Da He, Xiao Han, Ning Zhang, Jinchao Wang, Wei Tian
PURPOSE: Previous studies have demonstrated that cervical disc arthroplasty has favourable short- and medium-term clinical and radiological outcomes. However, long-term follow-up outcomes have rarely been reported. The purpose of this study was to evaluate the ten year follow-up clinical and radiological outcomes in patients who underwent Bryan cervical disc arthroplasty. METHODS: Seventy-one patients who underwent single-level Bryan cervical disc arthroplasty with a minimum ten year follow-up were included in the study...
April 21, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29662749/adverse-events-following-cervical-disc-arthroplasty-a-systematic-review
#14
REVIEW
Jordan C Xu, Chandni Goel, Michael F Shriver, Joseph E Tanenbaum, Michael P Steinmetz, Edward C Benzel, Thomas E Mroz
Study Design: Systematic review. Objectives: Cervical arthroplasty is an increasingly popular treatment of cervical radiculopathy and myelopathy. An understanding of the potential adverse events (AEs) is important to help both clinicians and patients. We sought to provide a comprehensive systematic review of the AEs reported in all randomized controlled trials (RCTs) of cervical disc arthroplasty in an attempt to characterize the quality of reporting. Methods: We conducted a systematic review of MEDLINE and Web of Science for RCTs of cervical disc arthroplasty reporting AEs...
April 2018: Global Spine Journal
https://www.readbyqxmd.com/read/29627290/delayed-surgical-site-infection-2-years-after-cervical-disk-arthroplasty-case-report-and-literature-review
#15
Aleix Rosselló, Jose Luis Sanmillán, Luis López-Obarrio, Iván Pelegrín, Andreu Gabarrós, Oscar Godino
Anterior cervical discectomy has a low non-mechanical complication rate. In our literature review, we found 7 cases of delayed surgical site infection. We report a case of cervical prevertebral abscess due to Propionibacterium acnes 2 years after discectomy and arthroplasty, with a beta-2-transferrin false positive test as a complementary highlighted finding. We discuss the diagnosis and etiology of this rare delayed infectious complication.
April 4, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29619535/-operative-treatment-of-the-degenerative-cervical-spine
#16
REVIEW
A Tschugg, B Meyer, M Stoffel, P Vajkoczy, F Ringel, S-O Eicker, V Rhode, C Thomé
BACKGROUND: Degenerative alterations of the cervical spine often entail disc herniations and stenoses of the spinal canal and/or neural foramen. Mediolateral or lateral compression of nerve roots causes cervical radiculopathy, which is an indication for surgery in cases of significant motor deficits or refractory pain. Median canal encroachment may result in compression of the spinal cord and cervical myelopathy. Its natural history is typically characterized by episodic deterioration, so that surgical decompression is indicated in cases of clear myelopathic signs...
June 2018: Der Nervenarzt
https://www.readbyqxmd.com/read/29615017/clinical-and-radiographic-outcome-of-dynamic-cervical-implant-dci-arthroplasty-for-degenerative-cervical-disc-disease-a-minimal-five-year-follow-up
#17
Lin-Nan Wang, Bo-Wen Hu, Lei Wang, Yue-Ming Song, Xi Yang, Li-Min Liu, Hao Liu
BACKGROUND: To evaluate the mid- to long-term clinical and radiographic outcomes of anterior cervical discectomy and dynamic cervical implant (DCI) arthroplasty for degenerative cervical disc disease. METHODS: From April 2010 to October 2010, 38 patients with single- or double-level cervical disc herniation underwent anterior cervical discectomy and DCI arthroplasty. The clinical results and radiographic outcomes of these 38 patients (42 levels) were retrospectively evaluated...
April 4, 2018: BMC Musculoskeletal Disorders
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
#18
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/29605898/spondylolisthesis-adjacent-to-a-cervical-disc-arthroplasty-does-not-increase-the-risk-of-adjacent-level-degeneration
#19
David Christopher Kieser, Derek Thomas Cawley, Cecile Roscop, Simon Mazas, Pierre Coudert, Louis Boissiere, Ibrahim Obeid, Jean-Marc Vital, Vincent Pointillart, Olivier Gille
PURPOSE: To understand whether a spondylolisthesis in the sub-axial spine cranial to a cervical disc arthroplasty (CDA) construes a risk of adjacent level disease (ALD). METHODS: A retrospective review of 164 patients with a minimum 5-year follow-up of a cervical disc arthroplasty was performed. Multi-level surgeries, including hybrid procedures, were included. Multiple implant types were included. The two inter-vertebral discs (IVD) cranial of the CDA were monitored for evidence of radiologic degeneration using the Kettler criteria...
June 2018: European Spine Journal
https://www.readbyqxmd.com/read/29578876/surgical-strategies-to-prevent-adjacent-segment-disease-in-the-cervical-spine
#20
Joseph S Butler, Patrick B Morrissey, Scott C Wagner, I David Kaye, Arjun S Sebastian, Gregory D Schroeder, Alexander R Vaccaro, Alan S Hilibrand
The most popular approach to treating symptomatic cervical disk disease is anterior cervical discectomy and fusion. Although this procedure has significant long-term clinical success, it is associated with progressive adjacent segment degeneration with an annual incidence of ∼3%. Total disk arthroplasty was designed as an alternative to fusion that could preserve segmental motion at the operative level and potentially delay or prevent adjacent-level breakdown. The etiology of adjacent segment pathology (ASP) is multifactorial, and it is likely that most cases of ASP are unavoidable...
March 23, 2018: Clinical Spine Surgery
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