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Cervical spinal stenosis

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https://www.readbyqxmd.com/read/28321993/metatropic-dysplasia-a-skeletal-dysplasia-with-challenging-airway-and-other-anesthetic-concerns
#1
Mary C Theroux, Martha Lopez, Patricia J Olszewsky, Sabina DiCindio, Lynda Arai, Colleen Ditro, Michael B Bober, Olubukola Opeyemi Olla, Tetsu Uejima, David W West, William G Mackenzie
BACKGROUND: Metatropic dysplasia is a rare form of skeletal dysplasia requiring multiple anesthetics for surgical and imaging procedures, most of which are orthopedic procedures. We provide centralized care to patients with skeletal dysplasia at our tertiary care pediatric hospital, and we were able to collect the largest number of metatropic dysplasia patients reported to date. AIM: The aim of this retrospective study was to describe and characterize the anesthetic difficulties in this high-risk population...
March 21, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28321567/adjacent-segment-pathology-natural-history-or-effect-of-anterior-cervical-discectomy-and-fusion-a-10-year-follow-up-radiological-multicenter-study-using-an-evaluation-scale-of-the-ageing-spine
#2
Alessandro Pesce, Venceslao Wierzbicki, Emanuele Piccione, Alessandro Frati, Antonino Raco, Riccardo Caruso
PURPOSE: Aim of this study is to compare late degenerative MRI changes in a subset of patients operated on with ACDF to a second subset of patients presenting indication to ACDF but never operated on. METHODS: Patients from both subgroups received surgical indication according to the same criteria. Both subgroups underwent a cervical spine MRI in 2004-2005 and 10 years later in 2015. These MRI scans were retrospectively evaluated with a cervical spine ageing scale...
March 20, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28260398/improved-diagnosis-of-cervical-spondylotic-myelopathy-with-contact-heat-evoked-potentials
#3
Catherine Jutzeler, Anett Ulrich, Barbara Huber, Jan Rosner, John Kramer, Armin Curt
The aim of this study was to reveal the sensitivity and responsiveness of contact heat evoked potentials (CHEPs) to assess cervical spondylotic myelopathy (CSM). A total of 81 patients with clinically and radiologically confirmed spinal cord compression were reviewed. All patients underwent full clinical examinations with combined recordings of segmental CHEPs and somatosensory evoked potentials (dSSEPs) compared to healthy controls. Cross-sectional area, maximal canal compression, and maximal spinal cord compression were determined based on T2-weighted magnetic resonance images (MRI)...
March 6, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28225364/preoperative-risk-factors-of-c5-nerve-root-palsy-after-laminectomy-and-fusion-in-patients-with-cervical-myelopathy-analysis-of-70-consecutive-patients
#4
Kyung-Soo Suk, Kyung-Chung Kang, Hak-Sun Kim, Seong-Hwan Moon, Hwan-Mo Lee, Jung-Ho Seo, Sung-Min Kim, Sung-Yub Jin, Pierre Mella
STUDY DESIGN: A retrospective study. OBJECTIVE: To identify preoperative risk factors causing cervical fifth nerve root palsy (C5 palsy) after laminectomy and fusion (LF). SUMMARY OF BACKGROUND DATA: It is well known that postoperative C5 palsy is not rare after cervical surgery. Although there remains controversy, C5 palsy is considered to be more common in patients who had LF than in those who had laminoplasty. However, the reason for the higher incidence of C5 palsy in patients with LF has been poorly understood...
February 20, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28191625/iatrogenic-vascular-injuries-due-to-spinal-surgeries-endovascular-perspective
#5
Mustafa Gok, Elcin Aydin, Serkan Guneyli, Ali Akay, Celal Cinar, Ismail Oran
AIM: Iatrogenic vascular injuries due to spinal surgeries are rare but serious complications. Surgical management of these injuries is challenging with high morbidity rates. In this study we aim to present the results of endovascular management of iatrogenic vascular injuries due to spinal surgeries. MATERIAL AND METHODS: We retrospectively reviewed 11 patients (5 male, 6 female) who had vascular injuries due to cervical and lumbar spinal surgeries. Clinical findings were bleeding (n=5), leg edema (n=6) and right heart failure with severe dyspnea (n=1)...
January 17, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28183145/minimally-invasive-microscopic-posterior-cervical-decompression-simple-safe-and-effective
#6
Pierluigi Vergara
Background and Study Aims Cervical spondylotic myelopathy (CSM) is the most common cause of spinal cord dysfunction in the elderly population. Surgery is usually successful in preventing any deterioration, as well as improving functional status and quality of life. This study assesses the safety and efficacy of minimally invasive microscopic posterior cervical decompression for the treatment of CSM. Materials and Methods A retrospective review of patients with myelopathy from cervical stenosis treated with minimally invasive posterior cervical decompression was performed...
February 9, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28176604/c5-nerve-root-palsy-after-posterior-cervical-spine-surgery
#7
Fu-Min Pan, Shan-Jin Wang, Bin Ma, De-Sheng Wu
BACKGROUND: C5 palsy is a serious complication after cervical decompression surgery in which the patient shows a deterioration in power of the deltoid or biceps brachii by at least one grade in the manual muscle test without aggravation of lower extremity function. Although there are several hypotheses regarding the etiology of C5 palsy, the pathogenesis and preventive measures remain unidentified and many other controversies remain. OBJECTIVE: To systematically review the clinical features, risk factors, mechanism, and preventive measures of C5 palsy after posterior cervical decompression surgery...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28155678/compression-distraction-reduction-surgical-verification-and-optimization-to-treat-the-basilar-invagination-and-atlantoaxial-dislocation-a-finite-element-analysis
#8
Xuefeng Bo, Weida Wang, Zan Chen, Zhicheng Liu
BACKGROUND: Basilar invagination (BI) combined with atlantoaxial dislocation (AAD) leads to foramen magnum stenosis and medullary spinal cord compression, causing nerve dysfunction. The purpose of the surgery is to remove the bony compression at brainstem ventral side and fix the unstable spinal segment and make it fused stably. Occipital cervical internal fixation system that simultaneously reduces atlantoaxial horizontal and vertical dislocation are established. We propose here a new compression-distraction reduction (CDR) technique...
December 28, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28123921/relief-of-lumbar-symptoms-after-cervical-decompression-in-patients-with-tandem-spinal-stenosis-presenting-with-primarily-lumbar-pain
#9
Daniel R Felbaum, Islam Fayed, Jeffrey J Stewart, Faheem A Sandhu
OBJECTIVE: Tandem cervical and lumbar spinal stenosis (TSS) is classically described as intermittent claudication, gait disturbance, and clinical findings of mixed myelopathy and polyradiculopathy. Rarely, patients can present with TSS manifesting in isolated lumbar pain. Several reports have demonstrated improved lumbar back pain and radiculopathy after decompressive cervical spine procedures. We present six patients with dramatic resolution of lumbar spine related symptoms after decompression of the cervical spinal cord despite presenting solely with lower back complaints...
December 24, 2016: Curēus
https://www.readbyqxmd.com/read/28072809/optimal-angle-of-contralateral-oblique-view-in-cervical-interlaminar-epidural-injection-depending-on-the-needle-tip-position
#10
Jun Young Park, Myung-Hwan Karm, Doo Hwan Kim, Jae-Young Lee, Hye-Joo Yun, Jeong Hun Suh
BACKGROUND: Chronic neck and upper extremity pain associated with cervical origin is common, and cervical interlaminar epidural steroid injections (CILESIs) are frequently used to manage the symptoms of cervical spinal disorders. However, CILESIs are associated with risks such as dural puncture and cord injury. OBJECTIVES: We aimed to determine the optimal needle tip visualization, in order to minimize CILESIs-induced complications. STUDY DESIGN: Retrospective observational study...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28053621/clinical-and-magnetic-resonance-imaging-features-of-compressive-cervical-myelopathy-with-traumatic-intervertebral-disc-herniation-in-cynomolgus-macaque-macaca-fascicularis
#11
Yun-Jung Choi, Hye-Jin Park, Chul-Ho Sohn, Kyeong Cheon Jung, Seong Hoe Park, Jae-Il Lee
Intervertebral disc herniation (IVDH) with nucleus pulposus extrusion, traumatic or not, is a devastating clinical condition accompanied by neurological problems. Here we report a cynomolgus macaque suffering from acute and progressive neurological dysfunction by a blunt trauma due to neck collar, an animal handling device. Tetraplegia, urinary incontinence, decreased proprioception, and imperception of pain were shown on physical and neurological examinations. MRI sagittal T2 weighted sequences revealed an extensive protrusion of disc material between C2 and C3 cervical vertebra, and this protrusion resulted in central stenosis of the spinal cord...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/28040874/prevention-of-spinal-cord-injury-using-brain-evoked-muscle-action-potential-br-e-msep-monitoring-in-cervical-spinal-screw-fixation
#12
Kazuyoshi Kobayashi, Shiro Imagama, Zenya Ito, Kei Ando, Tetsuro Hida, Naoki Ishiguro
PURPOSE: The goal of the study was to examine waveform deterioration in intraoperative monitoring during posterior fusion with a cervical screw. This surgery is useful for alignment correction, but worsening of neurological symptoms may occur in association with screw insertion and rod installation. Therefore, spinal cord monitoring is important for safe surgery. METHODS: The study included 25 cases treated with posterior fusion with a cervical screw. Waveform deterioration was defined as an intraoperative amplitude <50% of the control waveform...
December 31, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28001265/management-of-degenerative-cervical-myelopathy-an-update
#13
Andrei F Joaquim, Enrico Ghizoni, Helder Tedeschi, Wellington K Hsu, Alpesh A Patel
Introduction: Degenerative cervical myelopathy (DCM) is the most common cause of spinal cord dysfunction in adult patients. Patients generally present with a slow, progressive neurological decline or a stepwise deterioration pattern. In this paper, we discuss the most important factors involved in the management of DCM, including a discussion about the surgical approaches. Method: The authors performed an extensive review of the peer-reviewed literature addressing the aforementioned objectives...
December 2016: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/27977597/posterior-decompression-and-internal-fixation-in-treatment-of-hypertrophy-of-posterior-longitudinal-ligament-at-c1-2-level-accompanied-with-lower-cervical-spinal-stenosis-a-case-report
#14
Huan Liu, Tao Wang, Hui Wang, Wen-Yuan Ding
RATIONALE: Hypertrophy of posterior longitudinal ligament (HPLL) at C1-2 level accompanied with lower cervical spinal stenosis is rare in clinic. No reports have described HPLL at C1-2 level accompanied with lower cervical spinal stenosis treated by posterior decompression, combined with internal fixation in 1 stage. PATIENT CONCERNS: A 70-year-old Chinese female complained of numbness and paralysis in both her hands and right leg for 1.5 years; Cervical vertebra x-rays and magnetic resonance imaging revealed a HPLL at C1-2 and cervical spinal stenosis at C3-6...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27907060/amplitude-of-low-frequency-fluctuation-alff-in-the-cervical-spinal-cord-with-stenosis-a-resting-state-fmri-study
#15
Xiaojia Liu, Wenshu Qian, Richu Jin, Xiang Li, Keith Dk Luk, Ed X Wu, Yong Hu
Cervical spondylotic myelopathy (CSM) is a common spinal cord dysfunction disease with complex symptoms in clinical presentation. Resting state fMRI (rsfMRI) has been introduced to study the mechanism of neural development of CSM. However, most of those studies focused on intrinsic functional connectivity rather than intrinsic regional neural activity level which is also frequently analyzed in rsfMRI studies. Thus, this study aims to explore whether the level of neural activity changes on the myelopathic cervical cord and evaluate the possible relationship between this change and clinical symptoms through amplitude of low frequency fluctuation (ALFF)...
2016: PloS One
https://www.readbyqxmd.com/read/27885472/a-prospective-randomized-trial-comparing-anterior-cervical-discectomy-and-fusion-versus-plate-only-open-door-laminoplasty-for-the-treatment-of-spinal-stenosis-in-degenerative-diseases
#16
Yun-Qi Jiang, Xi-Lei Li, Xiao-Gang Zhou, Chong Bian, Han-Ming Wang, Jian-Ming Huang, Jian Dong
OBJECTIVE: For three or more involved cervical levels, there is a debate over which approach yields the best outcomes for the treatment of multilevel cervical degenerative disease. Our objective is to compare the radiological and clinical outcomes of two treatments for multilevel cervical degenerative disease: anterior cervical discectomy and fusion (ACDF) versus plate-only open-door laminoplasty (laminoplasty). METHODS: Patients were randomized on a 1:1 randomization schedule with 17 patients in the ACDF group and 17 patients in the laminoplasty group...
November 24, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27875411/comparing-the-effectiveness-of-sagittal-balance-foraminal-stenosis-and-preoperative-cord-rotation-in-predicting-postoperative-c5-palsy
#17
Arunit J S Chugh, Douglas S Weinberg, Fernando Alonso, Jason D Eubanks
STUDY DESIGN: Retrospective cohort review. OBJECTIVE: To determine whether preoperative cord rotation is independently correlated with C5 palsy when analyzed alongside measures of sagittal balance and foraminal stenosis. SUMMARY OF BACKGROUND DATA: Postoperative C5 palsy is a well-documented complication of cervical procedures with a prevalence of 4%-8%. Recent studies have shown a correlation with preoperative spinal cord rotation. There have been few studies, however, that have examined the role of sagittal balance and foraminal stenosis in the development of C5 palsy...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27853664/return-to-play-after-cervical-spine-injuries-a-consensus-of-opinion
#18
John C France, Michael Karsy, James S Harrop, Andrew T Dailey
Study Design Survey. Objective Sports-related spinal cord injury (SCI) represents a growing proportion of total SCIs but lacks evidence or guidelines to guide clinical decision-making on return to play (RTP). Our objective is to offer the treating physician a consensus analysis of expert opinion regarding RTP that can be incorporated with the unique factors of a case for clinical decision-making. Methods Ten common clinical scenarios involving neurapraxia and stenosis, atlantoaxial injury, subaxial injury, and general cervical spine injury were presented to 25 spine surgeons from level 1 trauma centers for whom spine trauma is a significant component of their practice...
December 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27836772/return-to-play-in-athletes-with-spinal-cord-concussion-a-systematic-literature-review
#19
REVIEW
Narihito Nagoshi, Lindsay Tetreault, Hiroaki Nakashima, Aria Nouri, Michael G Fehlings
STUDY DESIGN: This is a systematic review. PURPOSE: The study aimed to evaluate whether spinal cord concussion (SCC) patients can safely return to play sports and if there are factors that can predict SCC recurrence or the development of a spinal cord injury (SCI). BACKGROUND CONTEXT: Although SCC is a reversible neurologic disturbance of spinal cord function, its management and the implications for return to play are controversial. METHODS: We conducted a systematic search of the literature using the keywords Cervical Spine AND Sports AND Injuries in six databases...
February 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27781187/kinematic-magnetic-resonance-imaging-assessment-of-the-degenerative-cervical-spine-changes-after-anterior-decompression-and-cage-fusion
#20
Marina Obradov, Menno R Bénard, Michiel M A Janssen, Patricia G Anderson, Petra J C Heesterbeek, Maarten Spruit
Study Design A prospective cohort study. Objective Decompression and fusion of cervical vertebrae is a combined procedure that has a high success rate in relieving radicular symptoms and stabilizing or improving cervical myelopathy. However, fusion may lead to increased motion of the adjacent vertebrae and cervical deformity. Both have been postulated to lead to adjacent segment pathology (ASP). Kinematic magnetic resonance imaging (MRI) has been increasingly used to evaluate range of motion (ROM) of the cervical spine and ASP...
November 2016: Global Spine Journal
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