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Cervical myelopathy

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https://www.readbyqxmd.com/read/28531940/contusional-cerebellar-hemorrhage-related-to-placement-in-the-protrusion-position-after-atlantoaxial-fusion
#1
Yoshinari Miyaoka, Mikinobu Takeuchi, Norimitsu Wakao, Masahiro Aoyama, Kazuhiro Hongo, Masakazu Takayasu
BACKGROUND: Various complications after C1 lateral mass and C2 pedicle screw fusion surgery (C1LM-C2PSFS) have been reported. However, to our knowledge, this is the first report of contusional cerebellar hemorrhage caused by placement in the protrusion (chin-out) position after C1LM-2PSFS. CASE DESCRIPTION: An 81-year-old woman complaining of gait disturbance and clumsiness of both hands was diagnosed with cervical myelopathy with atlantoaxial subluxation. After we performed C1LM-C2PSFS, her neurologic deficits gradually improved, and there was no radiologic evidence of construct failure...
May 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28529246/surgical-outcome-of-laminoplasty-for-cervical-spondylotic-myelopathy-in-an-elderly-population-potentiality-for-effective-early-surgical-intervention-a-meta-analysis
#2
Yasuhiro Takeshima, Ryuta Matsuoka, Ichiro Nakagawa, Fumihiko Nishimura, Hiroyuki Nakase
A systematic review and meta-analysis was conducted to determine differences in surgical outcomes of laminoplasty for cervical spondylotic myelopathy (CSM) between elderly and non-elderly patients. PubMed and Google Scholar searches were performed using several key words and phrases related to cervical laminoplasty in elderly populations. Included studies were written in English, addressed laminoplasty for cervical spondylotic myelopathy, and evaluated outcomes of the treatment. Statistical analysis was performed using a random-effect model...
May 19, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28526877/magnetospinography-visualizes-electrophysiological-activity-in-the-cervical-spinal-cord
#3
Satoshi Sumiya, Shigenori Kawabata, Yuko Hoshino, Yoshiaki Adachi, Kensuke Sekihara, Shoji Tomizawa, Masaki Tomori, Senichi Ishii, Kyohei Sakaki, Dai Ukegawa, Shuta Ushio, Taishi Watanabe, Atsushi Okawa
Diagnosis of nervous system disease is greatly aided by functional assessments and imaging techniques that localize neural activity abnormalities. Electrophysiological methods are helpful but often insufficient to locate neural lesions precisely. One proposed noninvasive alternative is magnetoneurography (MNG); we have developed MNG of the spinal cord (magnetospinography, MSG). Using a 120-channel superconducting quantum interference device biomagnetometer system in a magnetically shielded room, cervical spinal cord evoked magnetic fields (SCEFs) were recorded after stimulation of the lower thoracic cord in healthy subjects and a patient with cervical spondylotic myelopathy and after median nerve stimulation in healthy subjects...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526640/zero-profile-spacer-versus-cage-plate-construct-in-anterior-cervical-discectomy-and-fusion-for-multilevel-cervical-spondylotic-myelopathy-a-systematic-review-and-meta-analysis
#4
Min-Ji Tong, Guang-Heng Xiang, Zi-Li He, De-Heng Chen, Qian Tang, Hua-Zi Xu, Nai-Feng Tian
BACKGROUD: Anterior cervical discectomy and fusion (ACDF) with plate-screw construct has been gradually applied for multilevel cervical spondylotic myelopathy (CSM) in recent years. However, long cervical plate was associated with complications including breakage or loosening of plate and screws, trachea-esophageal injury, neurovascular injury, and postoperative dysphagia. To reduce these complications, the zero-profile spacer has been introduced. This meta-analysis was performed to compared the clinical and radiological outcomes of zero-profile spacer versus cage-plate construct for the treatment of multilevel cervical spondylotic myelopathy...
May 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28525491/surgery-for-chronic-traumatic-atlantoaxial-dislocation-associated-with-myelopathy
#5
Lingjun Wang, Yong Gu, Liang Chen, Huilin Yang
STUDY DESIGN: A retrospective study. OBJECTIVE: To evaluate the outcomes of myelopathy caused by atlantoaxial dislocation (AAD). SUMMARY OF BACKGROUND DATA: No reports to date have accurately evaluated the results of surgery for delayed myelopathy for patients with chronic AAD. Thus, the appropriate surgical time and methods of decompression and fusion remain a hot debate. MATERIALS AND METHODS: In our study, 18 patients underwent decompression, fixation, and fusion...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525489/minimum-5-year-follow-up-results-for-occipitocervical-fusion-using-the-screw-rod-system-in-craniocervical-instability
#6
Kei Ando, Shiro Imagama, Zenya Ito, Kazuyoshi Kobayashi, Hideki Yagi, Ryuichi Shinjo, Tetsuro Hida, Kenyu Ito, Yoshimoto Ishikawa, Naoki Ishiguro
STUDY DESIGN: Retrospective clinical study. OBJECTIVE: To evaluate the clinical outcome of patients who had undergone occipitocervical (OC) fusion using pedicle screws and rods over a minimum 5-year follow-up. SUMMARY OF BACKGROUND DATA: Few studies have evaluated occipitocervical (OC) fusion using pedicle screws and rods for long-term follow-up. METHODS: Twenty-seven consecutive patients treated underwent posterior OC fusion using pedicle screws and rods over a minimum 5-year follow-up...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525487/metabolic-imaging-using-proton-magnetic-spectroscopy-as-a-predictor-of-outcome-after-surgery-for-cervical-spondylotic-myelopathy
#7
Langston T Holly, Benjamin M Ellingson, Noriko Salamon
STUDY DESIGN: A single-center magnetic resonance spectroscopy (MRS) imaging and surgical outcome study involving 16 patients with cervical spondylotic myelopathy (CSM). OBJECTIVE: In the present study, we assess the utility of MRS to quantify metabolic changes within the spinal cord and predict surgical outcome in CSM patients. SUMMARY OF BACKGROUND DATA: MRS is an advanced spinal imaging modality that can provide pertinent metabolic and biochemical information regarding spinal cord function...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525486/regression-of-anterior-disk-osteophyte-complex-following-cervical-laminectomy-and-fusion-for-cervical-spondylotic-myelopathy
#8
Adedayo O Ashana, Jeremiah R Cohen, Brandon Evans, Langston T Holly
STUDY DESIGN: A retrospective case-control study. OBJECTIVE: To investigate whether posterior cervical laminectomy and fusion modifies the natural course of anterior disk-osteophyte complex in patients with multilevel cervical spondylotic myelopathy. SUMMARY OF BACKGROUND DATA: Dorsal migration of the spinal cord is the main purported mechanism of spinal cord decompression following cervical laminectomy and fusion but other potential mechanisms have received scant attention in the literature...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525481/comparison-of-the-clinical-and-radiographic-results-between-cervical-artificial-disk-replacement-and-anterior-cervical-fusion-a-6-year-prospective-nonrandomized-comparative-study
#9
Wei Tian, Kai Yan, Xiao Han, Jie Yu, Peihao Jin, Xiaoguang Han
STUDY DESIGN: Prospective nonrandomized comparative study. OBJECTIVE: To compare the long-term clinical and radiographic results of cervical artificial disk replacement (CADR) and anterior cervical discectomy and fusion (ACDF), and to provide our evidence if CADR could reduce adjacent segment degeneration (ASD). SUMMARY OF BACKGROUND DATA: CADR is widely used in spine surgery today. Despite the short-term results of it having been ascertained, the long-term results are still under observation...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525475/a-comparison-of-multilevel-anterior-cervical-discectomy-and-corpectomy-in-patients-with-4-level-cervical-spondylotic-myelopathy-a-minimum-2-year-follow-up-study-multilevel-anterior-cervical-discectomy
#10
Zhonghai Li, Jiancheng Huang, Zhizhong Zhang, Fengning Li, Tiesheng Hou, Shuxun Hou
STUDY DESIGN: Retrospective clinical series. OBJECTIVES: To compare perioperative parameters, clinical outcomes, radiographic parameters, and complication rates of segmental anterior cervical corpectomy and fusion (sACCF) plus preservation of middle vertebrae with those of multilevel anterior cervical discectomy and fusion (mACDF) in 70 patients with 4-level cervical spondylotic myelopathy (CSM). METHODS: Between July 2006 and May 2011, 70 consecutive patients [49 males and 21 females; mean age 56...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525472/a-comparison-of-implants-used-in-open-door-laminoplasty-structural-rib-allografts-versus-metallic-miniplates
#11
Ehsan Tabaraee, Praveen Mummaneni, Amir Abdul-Jabbar, David Shearer, Esha Roy, Beejal Amin, Christopher Ames, Shane Burch, Vedat Deviren, Sigurd Berven, Serena Hu, Dean Chou, Bobby K Tay
STUDY DESIGN: A retrospective case-controlled study. SUMMARY OF BACKGROUND DATA: Open-door laminoplasty has been successfully used to address cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament. Two common implants include rib allograft struts and metallic miniplates. OBJECTIVE: The goals of this study were to compare outcomes, complications, and costs associated with these 2 implants. METHODS: A retrospective review was done on 51 patients with allograft struts and 55 patients with miniplates...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525471/cervical-disk-replacement-with-discover-versus-fusion-in-a-single-level-cervical-disk-disease-a-prospective-single-center-randomized-trial-with-a-minimum-2-year-follow-up
#12
Marjan Rožanković, Sergej M Marasanov, Miroslav Vukić
STUDY DESIGN: Prospective randomized study. OBJECTIVE: To compare the clinical outcome after Discover arthroplasty versus anterior cervical discectomy and fusion (ACDF) in patients treated for symptomatic single-level cervical disk disease. SUMMARY OF BACKGROUND DATA: ACDF is still the gold standard for surgical treatment of cervical spine degenerative disk disease. However, results of many studies suggest that it may cause degenerative changes at levels immediately above and below the fusion, known as adjacent segment degenerative disease...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525469/safety-and-efficacy-study-of-an-ozone-laser-combined-therapy-using-puncture-needle-in-the-treatment-of-patients-with-cervical-spondylosis
#13
Ke Gu, Yuqiu Yan, Wu Wei, Yan Li, Wenli Liu, Yang Guo, Long Yu
STUDY DESIGN AND METHODS: Fifty-eight patients with cervical spondylosis (CS) were treated with patented technology of ozone laser combined therapy using puncture needle between August 2008 and February 2010. Visual Analogue Scale (VAS) score changes before and 6 months after surgery and MacNab score criteria 6 months after surgery were analyzed. BACKGROUND AND OBJECTIVE: CS normally occurs over the age of 50 and broadly presents as either myelopathy or radiculopathy...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28524790/cognard-type-v-intracranial-dural-arteriovenous-fistula-presenting-in-a-pediatric-patient-with-rapid-progressive-myelopathy
#14
Walter J Jermakowicz, Alexander G Weil, Artyom Vlasenko, Sanjiv Bhatia, Toba N Niazi
Cognard Type V dural arteriovenous fistulas (dAVFs) are a unique type of cranial vascular malformation characterized by congestion of the perimedullary venous system that may lead to devastating spinal cord pathology if left untreated. The authors present the first known case of a pediatric patient diagnosed with a Type V dAVF. A 14-year-old girl presented with a 3-week history of slowly progressive unilateral leg weakness that quickly progressed to bilateral leg paralysis, sphincter dysfunction, and complete sensory loss the day of her presentation...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28514903/utility-of-the-central-motor-conduction-time-recorded-from-the-abductor-pollicis-brevis-and-the-abductor-digiti-minimi-muscles-in-patients-with-c6-7-myelopathy
#15
Yasuaki Imajo, Tsukasa Kanchiku, Hidenori Suzuki, Masahiro Funaba, Norihiro Nishida, Toshihiko Taguchi
OBJECTIVE: Central motor conduction time (CMCT) recorded from the abductor pollicis brevis (CMCT-APB) and abductor digiti minimi (CMCT-ADM) muscles may enable the evaluation of patients with C6-7 myelopathy. CMCT is more useful for the evaluation of the function of spinal cord than magnetic resonance imaging (MRI) findings. CMCT may be associated with age and height. However, there are few reports regarding CMCT-APB in normal subjects. This study aimed to investigate the relationships between age, height, and conduction parameters in normal subjects to assess the effectiveness of using CMCT-APB and CMCT-ADM for the evaluation of patients with C6-7 and C7-T1 myelopathy...
May 17, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28512042/the-corona-dentis-description-of-an-anatomical-variant-with-technical-implications-for-anterior-odontoid-screw-placement
#16
Fernando Alonso, Joe Iwanaga, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
INTRODUCTION: Type 2 odontoid fractures are the most common cervical fractures among the elderly. Neurological deficit is usually caused as a result of myelopathy due to posterior dens migration. Direct anterior screw placement provides stabilization and can preserve C1-C2 movement. The presence of a bony excrescence on the anterior superior tip of the dens may lead to placement of a screw of incorrect length. METHODS: Twenty C2 dry specimens were examined for the presence of a corona dentis, which is a bony excrescence in the coronal plane near the apex of the dens...
May 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28511973/anterior-decompression-and-hybrid-reconstruction-with-titanium-mesh-cage-plus-plate-and-self-locking-stand-alone-cage-for-the-treatment-of-three-level-cervical-spondylotic-myelopathy
#17
Jian Zhou, Xilei Li, Xiaogang Zhou, Hong Lin, Jian Dong
It has been reported that anterior cervical decompression has good clinical outcomes for the treatment of adjacent three-level cervical spondylotic myelopathy (CSM). However, the application of a long plate in the anterior cervical spine poses substantial risks of soft tissue damage. In this retrospective study, we aimed to analyze the clinical and radiological results of the hybrid construction with titanium mesh cage (TMC) plus plate and self-locking stand-alone cage for treatment of adjacent three-level CSM...
May 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28508100/cervical-radiculopathy-combined-with-cervical-myelopathy-prevalence-and-characteristics
#18
Byung-Wan Choi, Sung-Soo Kim, Dong-Hyun Lee, Ji-Wan Kim
Patients with cervical myelopathy may experience symptoms of radiculopathy, and it is not easy to determine whether these symptoms are caused by the myelopathy itself or by a radiculopathy accompanied by root compression. Therefore, we aimed to investigate the prevalence of radiculopathy combined with cervical myelopathy and to evaluate the characteristics of cervical myelopathy with or without radiculopathy. We enrolled 127 patients with cervical myelopathy in this retrospective study and reviewed their medical records and magnetic resonance imaging findings...
May 15, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28507885/effect-of-cervical-sagittal-balance-on-laminoplasty-in-patients-with-cervical-myelopathy
#19
Minori Kato, Takashi Namikawa, Akira Matsumura, Sadahiko Konishi, Hiroaki Nakamura
STUDY DESIGN: Retrospective clinical study. OBJECTIVE: We evaluated the relationship between cervical sagittal alignment parameters and clinical status in patients with cervical myelopathy and analyzed the effect of cervical sagittal balance on cervical laminoplasty. METHODS: Patients with cervical myelopathy (n = 110) who underwent laminoplasty were included in this study. The relationship between cervical sagittal alignment parameters and clinical status was evaluated...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28503323/severe-cervical-flexion-myelopathy-with-long-tract-signs-a-case-report-and-a-review-of-literature
#20
Takahito Fujimori, Akiko Tamura, Toshitada Miwa, Motoki Iwasaki, Takenori Oda
INTRODUCTION: Hirayama disease, a type of cervical flexion myelopathy, is a rare neurological disease characterized by muscular atrophy of the forearms and hands. Generally, the pathology is limited to the gray matter of the anterior horns in the lower cervical spinal cord. However, in rare cases the damage can spread to the white matter and present as long tract signs. CASE PRESENTATION: We report on a 30-year-old female whose onset presented as unilateral muscle atrophy of the right hand in her teens...
2017: Spinal Cord Series and Cases
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