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https://www.readbyqxmd.com/read/28638296/ultrasound-guided-percutaneous-cervical-and-upper-thoracic-sympathetic-chain-neuromodulation-for-upper-extremity-complex-regional-pain-syndrome
#1
Samer Narouze, Dmitri Souzdalnitski
BACKGROUND: Complex regional pain syndrome (CRPS) comprises a group of conditions characterized by severe, debilitating pain that is disproportionate to any inciting event and is not distributed in a specific nerve distribution or dermatome. CASE REPORT: A 42-year-old female with a 2-year history of right upper extremity CRPS type I refractory to conventional management underwent an ultrasound-guided and fluoroscopy confirmed percutaneous peripheral nerve stimulation trial with a lead extending from the C6 to the T3 level to cover the cervical and upper thoracic sympathetic chain...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28632590/comparison-of-anterior-and-posterior-surgery-for-degenerative-cervical-myelopathy-an-mri-based-propensity-score-matched-analysis-using-data-from-the-prospective-multicenter-aospine-csm-north-america-and-international-studies
#2
So Kato, Aria Nouri, Dongjin Wu, Satoshi Nori, Lindsay Tetreault, Michael G Fehlings
BACKGROUND: Surgeons often choose between 2 different approaches (anterior and posterior) for surgical treatment of degenerative cervical myelopathy on the basis of imaging features of spinal cord compression, the number of levels affected, and the spinal alignment. However, there is a lack of consensus on which approach is preferable. The objective of the present study was to use magnetic resonance imaging (MRI)-based propensity-score-matched analysis to compare postoperative outcomes between the anterior and posterior surgical approaches for degenerative cervical myelopathy...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28625905/the-influence-of-mri-features-on-surgical-decision-making-in-degenerative-cervical-myelopathy-results-from-a-global-survey-of-aospine-international-members
#3
Aria Nouri, Allan R Martin, Anick Nater, Christopher D Witiw, So Kato, Lindsay Tetreault, Hamed Reihani-Kermani, Carlo Santaguida, Michael G Fehlings
OBJECTIVE: We conducted a survey to understand how specific pathologic features on MRI influence surgeons toward an anterior or posterior surgical approach in Degenerative Cervical Myelopathy (DCM) . METHODS: A questionnaire was sent out to 6,179 AOSpine International members via email. This included 18 questions on a 7-point Likert scale regarding how MRI features influence the respondent's decision to perform an anterior or posterior surgical approach. Influence was classified based on the mean and mode...
June 15, 2017: World Neurosurgery
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
#4
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/28614250/the-prevalence-of-heterotopic-ossification-among-patients-after-cervical-artificial-disc-replacement-a-systematic-review-and-meta-analysis
#5
Lingde Kong, Qinghua Ma, Fei Meng, Junming Cao, Kunlun Yu, Yong Shen
BACKGROUND: Prevalence estimates of heterotopic ossification (HO) following cervical artificial disc replacement (ADR) varied widely in previous studies. We conducted a systematic review and meta-analysis to summarize its point prevalence. METHODS: Electronic searches of PubMed, Web of Science, Embase, and Cochrane Library databases were conducted to identify studies that reported prevalence of HO. Definitions of HO and severe HO were based on McAfee grading system...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28606605/cervical-and-thoracic-intervertebral-disc-hydration-increases-with-recumbency-a-study-in-101-healthy-volunteers
#6
Daniel L Belavy, Matthew Quittner, Yuan Ling, David Connell, Timo Rantalainen
BACKGROUND CONTEXT: Variation in water content and size of the lumbar intervertebral discs (IVDs) is known to occur due to recumbency and has been associated with lumbar IVD herniation risk through the impact of IVD hydration on tissue mechanical properties. It is not clear if similar changes in the cervical or thoracic IVDs occur with recumbency. PURPOSE: Determine whether increases in hydration of thoracic and cervical IVDs occur with short-duration recumbency...
June 9, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28606250/-three-dimensional-finite-element-model-of-a-modified-posterior-cervical-single-open-door-laminoplasty
#7
Q Wang, Y Yang, Q Fei, D Li, J J Li, H Meng, N Su, Z H Fan, B Q Wang
Objective: To build a three-dimensional finite element models of a modified posterior cervical single open-door laminoplasty with short-segmental lateral mass screws fusion. Methods: The C(2)-C(7) segmental data were obtained from computed tomography (CT) scans of a male patient with cervical spondylotic myelopathy and spinal stenosis.Three-dimensional finite element models of a modified cervical single open-door laminoplasty (before and after surgery) were constructed by the combination of software package MIMICS, Geomagic and ABAQUS...
June 6, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28604488/anterior-cervical-discectomy-and-fusion-outcomes-over-10-years-a-prospective-study
#8
Glenn R Buttermann
STUDY DESIGN: Prospective cohort study with >10-year follow-up. OBJECTIVE: To assess the long-term, >10-year, clinical outcomes of anterior cervical discectomy and fusion (ACDF) and to compare outcomes based on primary diagnosis of disc herniation; stenosis or advanced degenerative disc disease (DDD); number of levels treated; and preexisting adjacent level degeneration. SUMMARY OF BACKGROUND DATA: ACDF is a proven treatment for patients with stenosis and disc herniation and results in significantly improved short- and intermediate-term outcomes...
June 9, 2017: Spine
https://www.readbyqxmd.com/read/28604460/intention-to-treat-analysis-of-radical-trachelectomy-for-early-stage-cervical-cancer-with-special-reference-to-oncologic-failures-single-institutional-experience-in-hungary
#9
Robert Póka, Szabolcs Molnár, Péter Daragó, János Lukács, Rudolf Lampé, Zoárd Krasznai, Zoltán Hernádi
OBJECTIVE: The aim of our study was to evaluate clinical and pathological data in order to draw eligibility criteria for oncologically sufficient radical trachelectomy (RT) in early-stage cervical cancer. Reviewing all cases of attempted RT performed at our unit, we focused attention on prognostic indicators of the need for additional oncologic treatment following RT. The analysis was extended by extensive literature review to include previously published cases of oncologic failures. METHODS: The authors retrospectively analyzed data of patients who underwent RT at the Department of Obstetrics and Gynecology, University of Debrecen...
June 10, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28597366/finite-element-model-predicts-the-biomechanical-performance-of-cervical-disc-replacement-and-fusion-hybrid-surgery-with-various-geometry-of-ball-and-socket-artificial-disc
#10
Yang Li, Guy R Fogel, Zhenhua Liao, Weiqiang Liu
PURPOSE: Few finite element studies have investigated changes in cervical biomechanics with various prosthesis design parameters using hybrid surgery (HS), and none have investigated those combined different HS strategies. The aim of our study was to investigate the effect of ball-and-socket prosthesis geometry on the biomechanical performance of the cervical spine combined with two HS constructs. METHODS: Two HS strategies were conducted: (1) ACDF at C4-C5 and anterior cervical disc replacement (ACDR) at C5-C6 (ACDF/ACDR), and (2) ACDR/ACDF...
June 8, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28591077/progressive-bone-formation-after-cervical-disc-replacement-minimum-of-5-year-follow-up
#11
Feifei Zhou, Kevin L Ju, Yanbin Zhao, Fengshan Zhang, Shengfa Pan, John G Heller, Yu Sun
OBJECTIVE: Our objective was to examine the prevalence, clinical significance, ramifications, and possible etiology of postoperative bone formation at the index level after Cervical Disc Replacement (CDR) with a minimum of five years of follow-up. SUMMARY OF BACKGROUND DATA: CDR can be complicated by postoperative ossification and unwanted ankylosis at the index level, which some authors have termed "heterotopic ossification". This terminology may be inaccurate as it assumes the postoperative bone formation is unnatural and a consequence of the CDR surgery...
June 6, 2017: Spine
https://www.readbyqxmd.com/read/28588368/two-cases-of-esophageal-injury-following-anterior-cervical-discectomy-and-fusion-one-overt-and-one-covert
#12
Prasad Krishnan, Rajaraman Kartikueyan, Sachinkumar Maheshbhai Patel, Partha Pratim Bose, Kanchan Kumar Mukherjee
Esophageal perforation is a dreaded complication of anterior cervical spinal surgery. A 52-year-old diabetic man had undergone a surgery for a C6-C7 disc prolapse and developed spiking fever with chills and rigor on the 7th postoperative day. No cause could be found out but a CT scan of thorax done in the course of investigations revealed pneumomediastimum. The patient succumbed on the 10th day after surgery. Autopsy revealed the cause of death to be mediastinitis following iatrogenic esophageal perforation...
May 2017: Annals of Neurosciences
https://www.readbyqxmd.com/read/28583461/repair-of-v2-vertebral-artery-injuries-sustained-during-anterior-cervical-discectomy
#13
Evgenii Belykh, David S Xu, Kaan Yağmurlu, Ting Lei, Vadim A Byvaltsev, Curtis A Dickman, Mark C Preul, Peter Nakaji
BACKGROUND: The V2 segment of the vertebral artery (VA) typically runs through the transverse foramen of C2-C6. V2 injury may occur during anterior approaches to the cervical spine and can cause significant morbidity. We aimed to describe landmarks and microsurgical V2 repair techniques through the standard anterolateral cervical discectomy approach. METHODS: Five silicone-injected cadaveric heads (necks-C7) were dissected bilaterally. An anterolateral approach with C3-4, C4-5, and C5-6 discectomies and an ipsilateral VA injury were simulated...
June 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28582418/an-in-vivo-comparison-study-in-goats-for-a-novel-motion-preserving-cervical-joint-system
#14
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/28575461/adjacent-segment-degeneration-after-anterior-cervical-discectomy-and-fusion-with-an-autologous-iliac-crest-graft-a-magnetic-resonance-imaging-study-of-59-patients-with-a-mean-follow-up-of-27%C3%A2-yr
#15
Benedikt W Burkhardt, Andreas Simgen, Gudrun Wagenpfeil, Wolfgang Reith, Joachim M Oertel
BACKGROUND: Anterior cervical decompression and fusion (ACDF) is a widely accepted surgical technique for the treatment of degenerative disc disease. ACDF is associated with adjacent segment degeneration (ASD). OBJECTIVE: To assess whether physiological aging of the spine would overcome ASD by comparing adjacent to adjoining segments more than 18 yr after ACDF. METHODS: Magnetic resonance imaging of 59 (36 male, 23 female) patients who underwent ACDF was performed to assess degeneration...
May 30, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28574978/adjacent-segment-degeneration-following-anterior-cervical-discectomy-and-fusion-versus-the-bryan-cervical-disc-arthroplasty
#16
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/28570783/on-the-importance-of-retaining-stresses-and-strains-in-repositioning-computational-biomechanical-models-of-the-cervical-spine
#17
Solomon Boakye-Yiadom, Duane S Cronin
Human body models are created in a specific posture and often repositioned and analyzed without retaining stresses that result from repositioning. For example, repositioning a human neck model within the physiological range of motion to a head-turned posture prior to an impact results in initial stresses within the tissues distracted from their neutral position. The aim of this study was to investigate the effect of repositioning on the subsequent kinetics, kinematics and failure modes of a lower cervical spine motion segment, to support future research at the full neck level...
June 1, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28560466/real-life-effectiveness-of-spa-therapy-in-rheumatic-and-musculoskeletal-diseases-a-retrospective-study-of-819-patients
#18
Mine Karagülle, Sinan Kardeş, Müfit Zeki Karagülle
The objective of this study is to determine the use and efficacy of spa therapy in patients with a wide spectrum of rheumatic and musculoskeletal diseases under real-life clinical practice circumstances. In this retrospective observational study at the Medical Ecology and Hydroclimatology Department of Istanbul Faculty of Medicine, the records of all adult patients with rheumatic and musculoskeletal diseases who were prescribed a spa therapy in various health resorts in Turkey between 2002 and 2012 were analyzed...
May 30, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28559077/incidence-and-risk-factors-of-postoperative-adjacent-segment-degeneration-following-anterior-decompression-and-instrumented-fusion-for-degenerative-disorders-of-the-cervical-spine
#19
Hui Wang, Lei Ma, Dalong Yang, Sidong Yang, Wenyuan Ding
INTRODUCTION: The aim of this study was to explore the incidence and risk factors of postoperative adjacent segment degeneration following anterior decompression and instrumented fusion for degenerative disorders of the cervical spine, and hope to provide references in decision making and surgical planning for spinal surgeons. METHODS: By retrieving the medical records from January 2005 to September 2011, 283 patients were retrospectively reviewed. According to the occurrence of adjacent segment degeneration at follow up, patients were divided into two groups: ASD group and no ASD group...
May 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28542101/clinical-impact-of-t1-slope-minus-cervical-lordosis-following-multilevel-posterior-cervical-fusion-surgery-a-minimum-2-year-follow-up-data
#20
Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim
STUDY DESIGN: Retrospective study. OBJECTIVE: To assess the longer term relationship between sagittal alignment of the cervical spine and patient-reported health-related quality-of-life (HRQOL) scores following multilevel posterior cervical fusion, and to explore whether an analog of T1 slope - C2-C7 lordosis ('T1S-CL') impacts on patients' clinical outcomes. SUMMARY OF BACKGROUND DATA: A 6-month follow-up study demonstrated that, similar to the thoracolumbar spine, the severity of disability increases with sagittal malalignment following cervical reconstruction surgery...
May 25, 2017: Spine
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