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https://www.readbyqxmd.com/read/29350005/-relationship-between-the-prediction-of-the-opening-angle-and-the-increased-value-of-cross-sectional-area-in-single-open-door-laminoplasty
#1
Chao-Lu Shi, Guo-Qiang Jiang, Bin Lu, Ke-Feng Luo, Bing Yue, Ji-Ye Lu
OBJECTIVE: To evolve the formula of relationship between opening angle of laminoplasty and the increased value of cross-sectional area, and to predict the opening angle according to the opening size of lanminoplasty. METHODS: From January 2013 to December 2015, 26 patients underwent single open-door laminoplasty in C₃-C₇. Among them, 10 patients with ossification of posterior longitudinal ligament, there were 6 males and 4 females, aged from 39 to 58 years old with an average of 49...
February 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29350002/-progress-on-laminoplasty-in-spinal-canal-disease
#2
Jian-Min Chen, Guo-Yin Liu, Yong Zhang, Jian-Ning Zhao
Surgery is the preferred method for the treatment of spinal canal disease, surgical method involves laminectomy and laminoplasty. The ideal spinal surgery not only should fully expose the spinal canal, completely resect the occupied position and remove the spinal cord compression, but also should maintain the stability of spinal biomechanics. Because of the different realization of clinician to safeguard and rebuild the spinal stabilization during opertion of spinal canal disease, and choice of surgical method and how to maintain the stability of spine biomechanics has become a hot of research in this field...
February 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29345845/atypical-familial-mediterranean-fever-developed-in-a-long-term-hemodialysis-patient
#3
Toshiyuki Makino, Yoshitatsu Ohara, Namiko Kobayashi, Yohei Kono, Ayumu Nomizu, Mariko Ichijo, Yutaro Mori, Noriaki Matsui, Dai Kishida, Takayuki Toda
Familial Mediterranean Fever (FMF) is usually an autosomal recessive autoinflammatory disease characterized by recurrent attacks of fever and serositis. FMF develops before the age of 20 years in 90% of patients. It has intervals of 1 week to several years between attacks, which leads to renal dysfunction-amyloidosis. We report a case of atypical FMF that developed in a long-term hemodialysis patient. A 65-year-old Japanese female undergoing hemodialysis for 32 years was referred to our hospital with a fever of unknown origin (FUO) following cervical laminoplasty...
January 18, 2018: Hemodialysis International
https://www.readbyqxmd.com/read/29335903/anterior-cervical-corpectomy-and-fusion-versus-posterior-laminoplasty-for-the-treatment-of-oppressive-myelopathy-owing-to-cervical-ossification-of-posterior-longitudinal-ligament-a-meta-analysis
#4
Rongqing Qin, Xiaoqing Chen, Pin Zhou, Ming Li, Jie Hao, Feng Zhang
PURPOSE: The purpose of this research is to compare the clinical efficacy, postoperative complication and surgical trauma between anterior cervical corpectomy and fusion versus posterior laminoplasty for the treatment of oppressive myelopathy owing to cervical ossification of the posterior longitudinal ligament (OPLL). STUDY DESIGN: Systematic review and meta-analysis. METHODS: An comprehensive search of literature was implemented in three electronic databases (Embase, Pubmed, and the Cochrane library)...
January 15, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29330570/open-door-laminoplasty-what-can-the-unilateral-approach-offer
#5
REVIEW
R Kothe, G Schmeiser, L Papavero
OBJECTIVE: Multilevel posterior decompression of subaxial cervical spinal canal stenosis through a less-invasive unilateral approach. INDICATIONS: Degenerative cervical myelopathy due to multilevel subaxial spinal canal stenosis. CONTRAINDICATIONS: Cervical kyphosis or instability, bilateral radiculopathy due to foraminal stenosis, involvement of C2 or C7. SURGICAL TECHNIQUE: Unilateral subaxial approach with detachment of muscles only on one side...
January 12, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29325950/a-novel-technique-for-cervical-laminoplasty-fusion-clpf-simultaneously-enhancing-stabilization-and-decompression-in-various-cervical-myelopathies-a-technical-note-and-outcomes
#6
Il Sup Kim, Jae Taek Hong, Jung Jae Lee, Jong Bum Lee, Chul Bum Cho, Seung Ho Yang, Jae Hoon Sung
PURPOSE: Cervical laminectomy has two major disadvantages: post-laminectomy adhesion of dural membrane and the lack of a fusion bed. The objective of this study was to determine whether simultaneous laminoplasty with fusion (CLPF) might overcome these unwanted outcomes. METHODS: Cases of CLPF for treating various cervical myelopathy with instability who were followed up for at least 12 months were enrolled. Preoperative and postoperative Neck Disability Index (NDI), Japanese Orthopedic Association (JOA) scores before and after surgeries, recovery rates (RRs), C2-7 lordosis, and fusion success rates were evaluated...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29325471/intracranial-subarachnoid-hemorrhage-following-cervical-laminoplasty-a-report-of-two-cases
#7
Yuichi Kondo, Kazunari Fushimi, Makoto Takasawa, Shigeo Kanamori, Takaki Miyagawa, Kenji Kawashima, Kazutoshi Yokoyama, Haruhiko Akiyama
Intracranial hemorrhage is a rare complication of spinal surgery. Case 1 was a 58-year-old man who underwent cervical laminoplasty. No apparent iatrogenic dural rupture or cerebrospinal fluid leakage was observed. An hour after the surgery, the patient had convulsions and became restless thereafter. CT revealed an intracranial SAH. The patient recovered normal consciousness the next morning. Case 2 was a 68-year-old woman who underwent cervical laminoplasty without postoperative CSF leakage. Six days after the surgery, the patient continued to complain of nausea and headache...
January 12, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29325320/-anatomy-research-of-cervical-laminoplasty-with-preservation-of-the-posterior-ligament-complex
#8
H R Zhao, B S Xu, P F Shao, J J Xia, Q Zhang, W H Zhang
Objective: To evaluate the feasibility of cervical laminoplasty with preservation of the posterior ligament complex for enlarging the spinal canal. Methods: Six up-to-standard human corpse specimens were divided into two groups by simple randomization (start from C4 group, S4; start from C5 group, S5; 3 corpses in each group). Decompression operation of C3-C6 level was performed in a predetermined sequence by using the new procedure with preservation of the posterior ligament complex.The basic depth of spinal canal was measured with a depth gauge at fixed point after the right bone groove of single level was completed...
December 19, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29301176/sudden-paraplegia-caused-by-nontraumatic-cervical-disc-rupture-a-case-report
#9
Sung Min Kim, Byeong Sam Choi, Sungjoon Lee
A 38-year-old man visited our Emergency Department for sudden onset paraplegia that occurred 1 hour ago. He felt a piercing pain in the posterior neck and became paraplegic while he was watching television, lying down on a sofa. Neurological examination showed motor power grades II-III in both arms and grade 0 in both legs. His cervical magnetic resonance imaging (MRI) showed a large ruptured disc at the C5-6 level, severely compressing the spinal cord. Emergency anterior cervical discectomy and fusion at C5-6 were performed...
December 2017: Korean Journal of Spine
https://www.readbyqxmd.com/read/29277594/modified-laminoplasty-preserving-the-posterior-deep-extensor-insertion-into-c2-improves-clinical-and-radiological-results-compared-with-conventional-laminoplasty-a-meta-analysis
#10
REVIEW
Qihua Qi, Yan Chen, Zeming Ling, Hao Hu, Junxuan Ma, Wei Guo, Manman Gao, Zhiyu Zhou, Xuenong Zou
BACKGROUND: Whether modified laminoplasty is better than conventional laminoplasty is unclear. Thus, a meta-analysis comparing the outcomes of preserving or repairing the posterior deep extensor insertion to C2 in laminoplasty was conducted for patients with multilevel cervical spondylotic myelopathy (MCSM). METHODS: Several electronic databases were chosen to search for relevant studies. The primary indices included preoperative and postoperative JOA scores, JOA recovery rate, muscle atrophy rate, preoperative and postoperative range of motion (ROM), ROM decrease rate, and incidence of axial pain...
December 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29200481/cervical-laminectomy-with-lateral-mass-screw-fixation-in-cervical-spondylotic-myelopathy-neurological-and-sagittal-alignment-outcome-do-we-need-lateral-mass-screws-at-each-segment
#11
Manoj Dayalal Singrakhia, Nikhil Ramdas Malewar, Sonal Manoj Singrakhia, Shivaji Subhash Deshmukh
Background: Anterior cervical decompression and fusion is the standard procedure used for treating patients with cervical myelopathy. However, these procedures are associated with complications such as pseudarthrosis, construct failure, and neurological complications. Posterior cervical laminectomy and instrumentation is an alternative procedure to treat multilevel cervical myelopathy. In this study, we raised questions whether instrumentation is required at all levels and whether stabilizing the spine in neutral or lordotic contour with indirect decompression leads to neurological improvement with radiological evidence of anterior decompression...
November 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29173436/radiologic-evaluation-of-ossification-of-the-posterior-longitudinal-ligament-with-dural-ossification
#12
REVIEW
Junichi Mizuno
There are 3 basic radiological patterns of dural ossification (DO). Although double-layer DO is most common, when examining neuroimaging of ossification of the posterior longitudinal ligament (OPLL), isolated DO or masse DO should be kept in mind. Bone window computed tomography (CT) is most sufficient in identifying any type of DO associated with OPLL. Sagittal reformation of CT has replaced polytomography. MRI is not optimal for identification of DO and OPLL. Surgical approaches should be determined based on this important radiological information to avoid an unexpected complication...
January 2018: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/29173422/history-and-evolution-of-laminoplasty
#13
REVIEW
Yoshitaka Hirano, Yukoh Ohara, Junichi Mizuno, Yasunobu Itoh
Techniques of expansive laminoplasty for degenerative cervical myelopathy and ossified posterior longitudinal ligament are described, focusing on the history of the surgical procedure. Laminectomy was the only approach for posterior decompression before Japanese orthopedic surgeons introduced laminoplasty from the 1970s to the 1980s to overcome the poor outcomes of laminectomy. Recent laminoplasty techniques offer less invasive maneuvers to the posterior cervical muscle structures to reduce axial neck pain and to obtain better functional outcome, but every operation is carried out based on the unchanged initial concept...
January 2018: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/29155339/body-mass-index-predicts-risk-of-complications-in-lumbar-spine-surgery-based-on-surgical-invasiveness
#14
Olivia J Bono, Gregory W Poorman, Norah Foster, Cyrus M Jalai, Samantha R Horn, Jonathan Oren, Alexandra Soroceanu, Subaraman Ramachandran, Taylor E Purvis, Deeptee Jain, Shaleen Vira, Bassel G Diebo, Breton Line, Daniel M Sciubba, Themistocles S Protopsaltis, Aaron J Buckland, Thomas J Errico, Virginie Lafage, Shay Bess, Peter G Passias
BACKGROUND CONTEXT: Obesity as a comorbidity in spine pathology may increase the risk of complications following surgical treatment. The BMI threshold at which obesity becomes clinically relevant, and the exact nature of that effect, remains poorly understood. PURPOSE: Identify the body mass index (BMI) that independently predicts risk of postoperative complications following lumbar spine surgery. STUDY DESIGN/SETTING: Retrospective review of the National Surgery Quality Improvement Program (NSQIP) years 2011-2013...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29154511/clinical-study-on-the-treatment-of-multi-segmental-cervical-spondylotic-myelopathy-by-the-posterior-spatium-intermusculare-approach-for-spinal-canal-expansion-and-laminoplasty
#15
Ying Zhan, Zhencan Yuan, Qing Wang, Jingchao Li
No abstract text is available yet for this article.
November 20, 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/29153782/outcomes-of-cervical-laminoplasty-population-level-analysis-of-a-national-longitudinal-database
#16
Anand Veeravagu, Tej D Azad, Michael Zhang, Amy Li, Arjun V Pendharkar, John K Ratliff, Lawrence M Shuer
OBJECTIVE: Cervical laminoplasty is an important alternative to laminectomy in decompressing of the cervical spine. Further evidence to assess the utility of laminoplasty is required. We examine outcomes of cervical laminoplasty via a population level analysis in the United States. METHODS: We performed a population-level analysis using the national MarketScan longitudinal database to analyze outcomes and costs of cervical laminoplasty between 2007 and 2014. Outcomes included postoperative complications, revision rates, and functional outcomes...
November 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29145042/relationship-of-t1-slope-with-loss-of-lordosis-and-surgical-outcomes-after-laminoplasty-for-cervical-ossification-of-the-posterior-longitudinal-ligament
#17
Masashi Miyazaki, Toshinobu Ishihara, Naoki Notani, Shozo Kanezaki, Hiroshi Tsumura
OBJECTIVE: T1 slope (T1S) has emerged as a predictor of kyphotic alignment change after laminoplasty. Although it was reported that patients with cervical ossification of the posterior longitudinal ligament (OPLL) and higher T1S had more pronounced lordotic curvature before surgery and higher loss of cervical lordosis after surgery, few studies have attempted to correlate these findings with clinical outcomes. We aimed to investigate the relationship of T1S with loss of cervical lordosis and surgical outcomes after laminoplasty for cervical OPLL...
November 13, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29137073/incidence-of-c5-nerve-root-palsy-after-cervical-surgery-a-meta-analysis-for-last-decade
#18
Tao Wang, Hui Wang, Sen Liu, Wen-Yuan Ding
PURPOSE: We aim to perform a meta-analysis on incidence of C5 nerve root palsy (C5 palsy) for patients after cervical surgery. METHODS: An extensive search of the literature was performed in PubMed/MEDLINE, Embase, the Cochrane library, CNKI, and WANFANG databases on incidence of C5 palsy from January 2007 to January 2017. Prevalence of C5 palsy related to different surgery methods was calculated and data analysis was conducted with STATA 12.0. RESULTS: A total of 61 studies containing 721 patients with C5 palsy in total 11,481 patients (6...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29126953/radiological-risk-factors-for-progression-of-ossification-of-posterior-longitudinal-ligament-following-laminoplasty
#19
Dong-Ho Lee, Jae Hwan Cho, Nam-Heun Kim, Sunghoo Kim, Jeonghyun Choi, Chang Ju Hwang, Choon Sung Lee
BACKGROUND CONTEXT: Research shows the progression of OPLL following decompressive surgery for cervical myelopathy, particularly in cases presenting with continuous or mixed radiographic types. To date, no study has investigated OPLL progression within each motion segment. PURPOSE: To evaluate progression of cervical ossification of the posterior longitudinal ligament (OPLL) in each motion segment using a novel system of classification, and to identify risk factors for OPLL progression following laminoplasty...
November 7, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29107718/rapid-progression-of-opll-after-acdf
#20
Tarush Rustagi, Fernando Alonso, Cameron Schmidt, Rod Oskouian, Jens R Chapman, R Shane Tubbs, Christian Fisahn
BACKGROUND: Ossification of the posterior longitudinal ligament (OPLL) has a reported incidence of 1.9 - 4.3%. Disease progression is associated with surgery, with most studies focusing on OPLL progression following laminoplasty. It is believed the continued range of motion following surgery places strain on adjacent levels, driving calcification of the ligament. We present a case of marked progression of OPLL at levels adjacent to a previous anterior cervical discectomy and fusion (ACDF)...
October 28, 2017: World Neurosurgery
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