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compressive cervical spondylotic myelopathy

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https://www.readbyqxmd.com/read/28130164/does-dynamic-supine-magnetic-resonance-imaging-improve-the-diagnostic-accuracy-of-cervical-spondylotic-myelopathy-a-review-of-the-current-evidence
#1
REVIEW
Nanfang Xu, Shaobo Wang, Huishu Yuan, Xiaoguang Liu, Zhongjun Liu
PURPOSE: We aimed to critically analyze the current evidence regarding the role of dynamic supine MRI (dsMRI) in the evaluation of cervical spondylotic myelopathy (CSM). METHODS: 13 studies were identified through a comprehensive literature search performed in the PubMed, EMBASE, and ISI databases as fulfilling the inclusion criteria and were reviewed for subject characteristics, radiographical parameters, and salient findings. RESULTS: Studies herein reviewed suggested that dsMRI was able to detect new appearance or increased grade of medullary compression in at least 20% of patients and to demonstrate an average narrowing of the cervical canal by 20% (in comparison to the neutral position)...
January 24, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28127374/the-change-of-range-of-motion-at-anterior-compression-of-the-cervical-cord-after-laminoplasty-in-patients-with-cervical-spondylotic-myelopathy
#2
Yongjae Cho
OBJECTIVE: Degenerative diseases of the spine, such as cervical spondylotic myelopathy (CSM), are increasing among the old age population, and surgical treatment of CSM is becoming more and more common. The aim of this study was to investigate how functional recovery can be influenced by anterior compression of the spinal cord (ACS) after laminoplasty for treatment of patients with CSM. METHODS: We retrospectively analyzed 32 patients admitted to Ewha Womans Mok-Dong Hospital with CSM who underwent open-door laminoplasty from January 2012 to December 2014...
December 2016: Korean Journal of Spine
https://www.readbyqxmd.com/read/28125929/trans-synaptic-degeneration-of-motoneurons-distal-to-chronic-cervical-spinal-cord-compression-in-cervical-spondylotic-myelopathy
#3
Chaojun Zheng, Yu Zhu, Feizhou Lu, Xiaosheng Ma, Dong Tian, Jianyuan Jiang
OBJECTIVE: To assess the effect of chronic cervical spinal cord compression upon remote motor unit function in patients with cervical spondylotic myelopathy (CSM). METHODS: Fifty-three CSM patients and 47 healthy subjects were included. Bilateral motor unit number estimations (MUNEs) were recorded from both abductor digiti minimi and abductor pollicis brevis, and bilateral flexor carpi radialis (FCR) H-reflexes were examined in all subjects along with the nine-hole peg test (NHPT)...
January 26, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28104259/utility-of-extension-views-in-spondylotic-myelopathy-mimicking-transverse-myelitis
#4
Brittani L Conway, Michelle J Clarke, Timothy J Kaufmann, Eoin P Flanagan
Cervical spondylotic myelopathy is a common cause of myelopathy and may mimic transverse myelitis. We report a 55 year-old lady with subacute myelopathy initially treated with glatiramer acetate for suspected clinically isolated syndrome. MRI head and spine revealed a single short cervical cord T2-hyperintense lesion with enhancement just below a region of moderate stenosis. Cerebrospinal fluid revealed elevated oligoclonal bands. Repeat MRI 7 months later showed persistent enhancement. Dynamic MRI revealed cord compression during extension...
January 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28099187/a-comparative-study-of-anterior-decompression-with-fusion-and-posterior-decompression-with-laminoplasty-for-the-treatment-of-cervical-spondylotic-myelopathy-patients-with-large-anterior-compression-of-the-spinal-cord
#5
Takashi Hirai, Toshitaka Yoshii, Yoshiyasu Arai, Kenichiro Sakai, Ichiro Torigoe, Hidetsugu Maehara, Masaki Tomori, Takashi Taniyama, Hirokazu Sato, Atsushi Okawa
STUDY DESIGN: This is a retrospective observational single-center study. OBJECTIVES: To compare anterior decompression and fusion (ADF) and laminoplasty (LAMP) for the treatment of cervical spondylotic myelopathy (CSM) patients with large anterior compression in terms of clinical and radiologic outcomes. SUMMARY OF BACKGROUND DATA: We have reported that insufficient posterior decompression could be often seen after laminoplasty for CSM patients with preoperative anterior clearance of the spinal cord, defined as an interval <4 mm between the preoperative the modified K-line and anterior structure of the spinal canal at most compressive segment on sagittal T1-weighted magnetic resonance imaging...
January 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28076997/surgical-treatment-of-severe-multilevel-circumferential-compressive-myelopathy-of-the-cervical-spine-is-circumferential-procedure-necessary
#6
Xiao-Kang Liu, Hao Li, Jian-Guang Xu, Er-Zhu Yang, Tie-Sheng Hou, Bing-Fang Zeng, Xiao-Feng Lian
OBJECTIVE: To determine the necessity of circumferential decompression and fusion in patients with severe multilevel cervical spondylotic myelopathy with circumferential cord compression. METHODS: This prospective study involved 51 patients with severe multilevel circumferential cervical myelopathy underwent two-stage circumferential procedure between July 2008 and June 2010. VAS scores, satisfaction surveys and JOA scores and imaging studies were obtained. Twenty-three patients (45...
January 11, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28065875/comparing-quality-of-life-in-cervical-spondylotic-myelopathy-with-other-chronic-debilitating-diseases-using-the-sf-36-survey
#7
Taemin Oh, Renaud Lafage, Virginie Lafage, Themistocles Protopsaltis, Vincent Challier, Christopher Shaffrey, Han Jo Kim, Paul Arnold, Jens Chapman, Frank Schwab, Eric Massicotte, Tim Yoon, Shay Bess, Michael Fehlings, Justin Smith, Christopher Ames
BACKGROUND: Although cervical spondylotic myelopathy (CSM) can be devastating, its relative impact on general health remains unclear. Patient responses to the SF-36 PCS/MCS were compared between CSM and other diseases to evaluate their respective impacts on quality of life. OBJECTIVE: Compare SF-36 PCS/MCS scores in CSM to population and disease-specific norms. METHODS: Retrospective analysis of a prospective, multi-center AOSpine North American CSM Study database...
January 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27939797/spinal-diffusion-tensor-imaging-in-the-evaluation-of-pre-and-post-operative-severity-in-cervical-spondylotic-myelopathy-a-systematic-review-of-the-literature
#8
REVIEW
Rima S Rindler, Falgun H Chokshi, James G Malcolm, Sheila R Eshraghi, Mahmud Mossa-Basha, Jason Chu, Shekar N Kurpad, Faiz Ahmad
BACKGROUND: Diffusion tensor imaging (DTI) is increasingly investigated as a potential diagnostic and prognostic tool for symptomatic degenerative cervical pathology; however, it is yet to be validated for this purpose. OBJECTIVE: To investigate the association of pre-operative DTI signal changes and post-operative outcomes in patients with cervical spondylotic myelopathy (CSM). METHODS: We performed a systematic literature review using PubMed for clinical studies using DTI in adults undergoing operative management for CSM...
December 6, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27801888/the-relationship-between-central-motor-conduction-time-and-spinal-cord-compression-in-patients-with-cervical-spondylotic-myelopathy
#9
T Rikita, N Tanaka, K Nakanishi, N Kamei, N Sumiyoshi, S Kotaka, N Adachi, M Ochi
STUDY DESIGN: Retrospective study. OBJECTIVES: Few studies have reported a relationship between central motor conduction time (CMCT), which evaluates corticospinal function, and degree of spinal cord compression in patients with myelopathy. Thus, there is no consensus on predicting the degree of prolonged CMCT on the basis of the degree of spinal cord compression. If a correlation exists between CMCT and spinal cord compression, then spinal cord compression may be a useful noninvasive clinical indicator of corticospinal function...
November 1, 2016: Spinal Cord
https://www.readbyqxmd.com/read/27714468/disc-associating-axial-pain-were-indicated-by-pll-resection-in-acdf-surgery
#10
Wei Lin, Yuan Xue, Ying Zhao, Yaqi Zong, Chao Sun, Bo Pei, Pei Wang
PURPOSE: The generation and tissue origination of disc-associated axial pain is still under exploration. This study was performed to evaluate disc-associated axial pain and to explore whether it originates in the disc or its surrounding components. METHODS: A 6-year series of 88 single-level Smith-Robinson disc and posterior longitudinal ligament (PLL) resections performed to treat single-level cervical spondylotic myelopathy was retrospectively examined. All single-level anterior disc decompressions were performed under local infiltration anesthesia; the PLL was not anesthetized to avoid cervical cord block...
October 6, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27681535/posterior-or-single-stage-combined-anterior-and-posterior-approach-decompression-for-treating-complex-cervical-spondylotic-myelopathy-coincident-multilevel-anterior-and-posterior-compression
#11
Xiaoxiao Zhou, Pan Cai, Yuwei Li, Haijiao Wang, Shengli Xia, Xiuhui Wang
STUDY DESIGN: A single-center, retrospective, longitudinal matched cohort clinical study of prospectively collected outcomes. OBJECTIVE: To compare retrospectively the clinical outcomes and complications of the posterior approach laminoplasty and single-stage anterior approach laminoplasty combined with anterior cervical corpectomy and fusion and anterior cervical discectomy and fusion for treating patients with cervical spondylotic myelopathy coincident multilevel anterior and posterior compression, known as complex cervical spondylotic myelopathy (cCSM) here...
September 27, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27616315/imaging-of-spinal-cord-injury-acute-cervical-spinal-cord-injury-cervical-spondylotic-myelopathy-and-cord-herniation
#12
Kiran Talekar, Michael Poplawski, Rahul Hegde, Mougnyan Cox, Adam Flanders
We review the pathophysiology and imaging findings of acute traumatic spinal cord injury (SCI), cervical spondylotic myelopathy, and briefly review the much less common cord herniation as a unique cause of myelopathy. Acute traumatic SCI is devastating to the patient and the costs to society are staggering. There are currently no "cures" for SCI and the only accepted pharmacologic treatment regimen for traumatic SCI is currently being questioned. Evaluation and prognostication of SCI is a demanding area with significant deficiencies, including lack of biomarkers...
October 2016: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/27552807/axonal-plasticity-underpins-the-functional-recovery-following-surgical-decompression-in-a-rat-model-of-cervical-spondylotic-myelopathy
#13
Rana S Dhillon, John Parker, Yasir A Syed, Steve Edgley, Adam Young, James W Fawcett, Nick D Jeffery, Robin J M Franklin, Mark R N Kotter
Cervical spondylotic myelopathy (CSM) is the most common spinal cord disorder and a major cause of disability in adults. Improvements following surgical decompression are limited and patients often remain severely disabled. Post mortem studies indicate that CSM is associated with profound axonal loss. However, our understanding of the pathophysiology of CSM remains limited.To investigate the hypothesis that axonal plasticity plays a role in the recovery following surgical decompression, we adopted a novel preclinical model of mild to moderate CSM...
2016: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/27509189/prevalence-and-imaging-characteristics-of-nonmyelopathic-and-myelopathic-spondylotic-cervical-cord-compression
#14
Ivana Kovalova, Milos Kerkovsky, Zdenek Kadanka, Zdenek Kadanka, Martin Nemec, Barbora Jurova, Ladislav Dusek, Jiri Jarkovsky, Josef Bednarik
STUDY DESIGN: Cross-sectional population-based observational study. OBJECTIVE: To estimate the prevalence of nonmyelopathic spondylotic cervical cord compression (NMSCCC) and cervical spondylotic myelopathy (CSM) in a population older than 40 years and to evaluate the magnetic resonance imaging (MRI) characteristics of these conditions. SUMMARY OF BACKGROUND DATA: The prevalence of neither NMSCCC nor CSM is known and there exists no commonly accepted quantitative MRI definition of cervical cord compression...
December 15, 2016: Spine
https://www.readbyqxmd.com/read/27441175/analysis-of-the-outcome-in-patients-with-cervical-spondylotic-myelopathy-undergone-canal-expansive-laminoplasty-supported-with-instrumentation-in-a-group-of-indian-population-a-prospective-study
#15
Subhadip Mandal, U Banerjee, A S Mukherjee, Subhajyoti Mandal, Srikanta Kundu
BACKGROUND: Chronic compression of the cervical spinal cord leads to a clinical syndrome of cervical spondylotic myelopathy (CSM). Clinical symptoms of cervical spondylotic myelopathy (CSM) or cervical myeloradiculopathies result in spinal cord and root dysfunction. The primary aims of surgical intervention for multilevel myelopathy are to decompress the spinal cord and maintain stability of the cervical spine. Secondary aims are to minimize complications which include long-term pain and motion loss...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27417399/neuroimaging-of-spinal-canal-stenosis
#16
REVIEW
Peter Cowley
Spinal stenosis is common and presents in a variety of forms. Symptomatic lumbar stenosis occurs in approximately 10% of the population and cervical stenosis in 9% over age 70. Imaging is central to the management decision process and first-choice MR imaging may be substituted with CT and CT myelography. A review of the literature is presented with particular emphasis on the clinical-radiologic correlation in both neurogenic intermittent claudication and cervical spondylotic myelopathy. Advanced techniques promise improvements, particularly with radicular compressive lesions, but remain underutilized in routine clinical practice...
August 2016: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27404855/the-significance-of-the-tr%C3%A3-mner-sign-in-cervical-spondylotic-myelopathy-patient
#17
Weera Chaiyamongkol, Teeranan Laohawiriyakamol, Boonsin Tangtrakulwanich, Pramot Tanutit, Piyawat Bintachitt, Koopong Siribumrungwong
STUDY DESIGN: This study is a diagnostic analysis. OBJECTIVE: To investigate the diagnostic accuracy of Trömner sign in cervical spondylotic myelopathy (CSM), and how its presence correlates with the severity of myelopathy. SUMMARY OF BACKGROUND DATA: A clinical presentation of myelopathy corresponding with image findings is a current standard to diagnose CSM. Trömner sign is an alternative of well-known Hoffmann sign to detect CSM. Little is known about its diagnostic accuracy and how its presence correlates with the severity of CSM...
July 11, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27389939/an-evidence-based-stepwise-surgical-approach-to-cervical-spondylotic-myelopathy-a-narrative-review-of-the-current-literature
#18
Majid Reza Farrokhi, Fariborz Ghaffarpasand, Mehdi Khani, Mehrnaz Gholami
Cervical spondylotic myelopathy (CSM) is the most common progressive degenerative disease of the spine in geriatric population. Surgery remains the mainstay of the treatment in patients with CSM. The surgical approach should be based on cervical sagittal imbalance. In patients with effective cervical lordosis (fewer than 3 levels of ventral disease), the anterior cervical discectomy and fusion (ACDF) or arthroplasty is preferred. Patients with more than 3 levels of compression are generally treated by laminoplasty, especially with preserved lordotic curvature...
July 4, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27338214/efficacy-and-safety-of-one-stage-selective-discectomy-combined-with-expansive-hemilaminectomy-in-treatment-of-cervical-spondylotic-myelopathy
#19
Guoyun Bu, Feng Shuang, Gang Liu, Ye Wu, Shuxun Hou, Dongfeng Ren, Weilin Shang
OBJECTIVES: We designed a novel surgical strategy named one-stage selective discectomy combined with expansive hemilaminectomy (OSDEHL) which might theoretically reduce the postoperative complications of Cervical Spondylotic Myelopathy (CSM). The objectives of this study is to evaluate its efficacy and safety. METHODS: 62 patients with CSM were enrolled in this study. The procedure includes selective discectomy with fusion at 1 or 2 segments of maximal cord compression and expansive hemilaminectomy on the symptomatic or severe side of the body...
June 20, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27293119/venous-hypertensive-myelopathy-associated-with-cervical-spondylosis
#20
Seiji Okada, Charles Chang, Geraldine Chang, James J Yue
BACKGROUND CONTEXT: Venous hypertensive myelopathy (VHM) results from spinal vascular malformations of arteriovenous shunting that increases spinal venous pressure, leading to congestive edema and neurologic dysfunction. There has been no report of VHM associated with cervical spondylotic myelopathy (CSM). PURPOSE: The aim of this study was to report an extremely rare case of VHM likely due to CSM. STUDY DESIGN: This study is a case report and review of the literature...
June 9, 2016: Spine Journal: Official Journal of the North American Spine Society
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