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https://www.readbyqxmd.com/read/28926393/trends-in-the-treatment-of-single-and-multilevel-cervical-stenosis-a-review-of-the-american-board-of-orthopaedic-surgery-database
#1
Alfredo Arrojas, J Benjamin Jackson, Gregory Grabowski
BACKGROUND: In order to identify any changes in the utilization of new and old techniques, we investigated trends in the operative management of cervical stenosis by orthopaedic surgeons applying for board certification. METHODS: We queried the American Board of Orthopaedic Surgery database from 1998 to 2013 to identify all of the cervical spine procedures for stenosis that had been performed by candidates taking Part II of the licensing examination. Longitudinal trends were determined for the utilized approach, the individual procedures that had been performed, and whether a motion-preserving technique had been employed...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28919610/open-door-laminoplasty-for-multilevel-cervical-spondylotic-myelopathy-and-ossification-of-the-posterior-longitudinal-ligament-opll-using-titanium-reconstruction-miniplate-and-screws
#2
M K Ahsan, M A Awwal, S I Khan, N Zaman, M H Haque, Z Zahangiri
To review outcome of 25 patients who underwent open-door cervical laminoplasty for multilevel cervical spondylotic myelopathy (MCSM) and ossification of the posterior longitudinal ligament (OPLL) using titanium reconstruction miniplate and screws. Records of 18 men and 7 women aged 35 to 78 (mean, 62.6) years were reviewed retrospectively from October 2009 and October 2014 at Bangabandhu Sheikh Mujib Medical University (BSMMU) and in our private settings, Dhaka, Bangladesh. Four patients had 5 levels (C3-C7), 21 patients had 4 levels (C3-C6) decompression and 3 patients (12%) performed foraminotomies...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28890806/postlaminectomy-membrane-with-dynamic-spinal-cord-compression-disclosed-with-computed-tomographic-myelography-a-case-report-and-literature-review
#3
Takahiro Kitahara, Junya Hanakita, Toshiyuki Takahashi
INTRODUCTION: It has been hypothesized that postoperative epidural scar, postlaminectomy membrane, may be responsible for late neurological deterioration after cervical laminectomy in some cases, but there is a lack of radiological studies in the literature showing the clinical significance of postlaminectomy membrane. We describe a rare case with radiological evidence of dynamic spinal cord compression caused by the postlaminectomy membrane, which may have been related to neurological deterioration...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28882525/multi-level-posterior-foraminotomy-with-laminoplasty-versus-laminoplasty-alone-for-cervical-spondylotic-myelopathy-with-radiculopathy-a-comparative-study
#4
Dong-Ho Lee, Jae Hwan Cho, Chang Ju Hwang, Choon Sung Lee, Chunghwan Kim, Jung-Ki Ha
BACKGROUND CONTEXT: Conventional laminoplasty is useful for expanding a stenotic spinal canal. However, it has limited use for the decompression of accompanying neural foraminal stenosis. As such, an additional posterior foraminotomy could be simultaneously applied, although this procedure carries a risk of segmental kyphosis and instability. PURPOSE: The aim was to elucidate the long-term surgical outcomes of additional posterior foraminotomy with a laminoplasty for cervical spondylotic myelopathy (CSM) with radiculopathy...
September 4, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28881121/the-predictable-factors-of-the-postoperative-kyphotic-change-of-sagittal-alignment-of-the-cervical-spine-after-the-laminoplasty
#5
Jun Seok Lee, Dong Wuk Son, Su Hun Lee, Dong Ha Kim, Sang Weon Lee, Geun Sung Song
OBJECTIVE: Laminoplasty is an effective surgical method for treating cervical degenerative disease. However, postoperative complications such as kyphosis, restriction of neck motion, and instability are often reported. Despite sufficient preoperative lordosis, this procedure often aggravates the lordotic curve of the cervical spine and straightens cervical alignment. Hence, it is important to examine preoperative risk factors associated with postoperative kyphotic alignment changes. Our study aimed to investigate preoperative radiologic parameters associated with kyphotic deformity post laminoplasty...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28881120/a-lower-t1-slope-as-a-predictor-of-subsidence-in-anterior-cervical-discectomy-and-fusion-with-stand-alone-cages
#6
Su Hun Lee, Jun Seok Lee, Soon Ki Sung, Dong Wuk Son, Sang Weon Lee, Geun Sung Song
OBJECTIVE: Preoperative parameters including the T1 slope (T1S) and C2-C7 sagittal vertical axis (SVA) have been recognized as predictors of kyphosis after laminoplasty, which is accompanied by posterior neck muscle damage. The importance of preoperative parameters has been under-estimated in anterior cervical discectomy and fusion (ACDF) because there is no posterior neck muscle damage. We aimed to determine whether postoperative subsidence and pseudarthrosis could be predicted according to specific parameters on preoperative plain radiographs...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28864406/comparative-study-of-perioperative-complication-rates-of-cervical-laminoplasty-performed-by-residents-and-teaching-neurosurgeons
#7
Manabu Niimura, Keisuke Takai, Makoto Taniguchi
Early surgical education is required for neurosurgical residents to learn many surgical procedures. However, the participation of less experienced residents may increase perioperative complication rates. Perioperative complication studies in the field of neurosurgery are being increasingly published; however, studies have not yet focused on cervical laminoplasty. The study population included 193 consecutive patients who underwent cervical laminoplasty in Tokyo Metropolitan Neurological Hospital between 2008 and 2014...
August 29, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28862572/laminoplasty-versus-laminectomy-with-posterior-spinal-fusion-for-multilevel-cervical-spondylotic-myelopathy-influence-of-cervical-alignment-on-outcomes
#8
Darryl Lau, Ethan A Winkler, Khoi D Than, Dean Chou, Praveen V Mummaneni
OBJECTIVE Cervical curvature is an important factor when deciding between laminoplasty and laminectomy with posterior spinal fusion (LPSF) for cervical spondylotic myelopathy (CSM). This study compares outcomes following laminoplasty and LPSF in patients with matched postoperative cervical lordosis. METHODS Adults undergoing laminoplasty or LPSF for cervical CSM from 2011 to 2014 were identified. Matched cohorts were obtained by excluding LPSF patients with postoperative cervical Cobb angles outside the range of laminoplasty patients...
September 1, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28844366/syringomyelia-associated-with-cervical-spondylotic-myelopathy-causing-canal-stenosis-a-rare-association
#9
Dirk Pillich, Ehab El Refaee, Jan-Uwe Mueller, Amr Safwat, Henry W S Schroeder, Joerg Baldauf
BACKGROUND: Although cervical spondylosis is extremely common, only few cases with associated syrinx have been reported. Depending on review of two large data bases, we report this case series. In addition, we evaluated the posterior decompression as the management option in treatment of this rare condition. MATERIALS AND METHODS: Data of all cases with cervical spondylosis and canal stenosis that sought medical advice or needed decompressive laminectomy/laminoplasty between the years 2006 and 2015 were checked in manually...
August 14, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28843754/thoracic-intradural-extramedullary-epidermoid-tumor-the-relevance-for-resection-of-classical-subarachnoid-space-microsurgical-anatomy-in-modern-spinal-surgery-technical-note-and-review-of-the-literature
#10
Giuseppe Mv Barbagallo, Massimiliano Maione, Giuseppe Raudino, Francesco Certo
BACKGROUND: Intradural epidermoid tumors of the spinal cord are commonly associated with spinal cord dysraphism or invasive procedures. We report the particular relationships between spinal subarachnoid compartments and a thoracic intradural-extramedullary epidermoid tumor, highlighting the relevant anatomical changes, which may influence microsurgery. METHODS: A 40 year old woman suffering from compressive myelopathy due to a thoracic epidermoid tumor extending from T3 to T4, and not associated with spina bifida, trauma, previous surgery or lumbar spinal puncture, underwent microsurgical excision...
August 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28816942/surgical-interventions-for-cervical-spondylosis-due-to-ossification-of-posterior-longitudinal-ligament-a-meta-analysis
#11
REVIEW
Di Wu, Cheng-Zhao Liu, Hao Yang, Hua Li, Nan Chen
BACKGROUND: Aim of this study was to evaluate the effectiveness of various surgical interventions for the management of cervical spondylosis due to the ossification of posterior longitudinal ligament (OPLL). METHODS: After a comprehensive literature search in electronic databases, studies were selected by following pre-determined eligibility criteria. Random effects meta-analyses were performed to estimate the effect sizes of various surgical approaches in improving Japanese Orthopedic Association (JOA) scores at latest follow-up and meta-regression analyses were carried out to examine the factors affecting the change in JOA score...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28815164/a-meta-analysis-of-cervical-laminoplasty-techniques-are-mini-plates-superior
#12
REVIEW
Ali Humadi, Tat Chao, Sulaf Dawood, Mark Tacey, Arshad Barmare, Brian Freeman
STUDY DESIGN: Meta-analysis and systematic review of literature. OBJECTIVE: In the late 1990s, spinal surgeons experimented by using maxillofacial fixation plates as an alternative to sutures, anchors, and local spinous process autografts to provide a more rigid and lasting fixation for laminoplasty. This eventually led to the advent of laminoplasty mini-plates, which are currently used. The objective is to compare laminoplasty techniques with plate and without plate with regard to functional outcome results...
June 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28811142/anatomical-analysis-of-human-ligamentum-flavum-in-the-cervical-spine-special-consideration-to-the-attachments-coverage-and-lateral-extent
#13
Mohammad Suhrab Rahmani, Hidetomi Terai, Javid Akhgar, Akinobu Suzuki, Hiromitsu Toyoda, Masatoshi Hoshino, Koji Tamai, Sayed Abdullah Ahmadi, Kazunori Hayashi, Shinji Takahashi, Hiroaki Nakamura
BACKGROUND: Posterior decompression surgeries of cervical spine such as laminoplasty and laminoforaminotomy are well established and increasing in aging population. The anatomical knowledge of cervical ligamentum flavum (LF) is critical to perform posterior spinal surgeries, however, few studies have evaluated it, especially the relation of LF and neural foramen. METHODS: The whole spine was removed en bloc from 15 formalin-embalmed human cadavers and then divided into two segments along the pedicle bases...
August 12, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28790004/cervical-paraspinal-muscle-atrophy-rates-following-laminoplasty-and-laminectomy-with-fusion-for-cervical-spondylotic-myelopathy
#14
Adedayo O Ashana, Remi M Ajiboye, William L Sheppard, Akshay Sharma, Andrew B Kay, Langston T Holly
BACKGROUND: Cervical spondylotic myelopathy (CSM) is a disorder that can cause neurologic deterioration. Studies on paraspinal muscular atrophy (PMA) in the lumbar spine have shown these changes are caused by several perioperative factors. It is possible that PMA in the cervical spine could behave similarly. In this retrospective study, we compared the degree of PMA after laminoplasty versus laminectomy and fusion (LF) using a standard posterior approach to the cervical spine. METHODS: 18 laminoplasty and 43 LF patients were included in this study...
August 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28767627/muscle-preserving-selective-laminectomy-maintained-the-compensatory-mechanism-of-cervical-lordosis-after-surgery
#15
Satoshi Nori, Tateru Shiraishi, Ryoma Aoyama, Ken Ninomiya, Junichi Yamane, Kazuya Kitamura, Seiji Ueda
STUDY DESIGN: A retrospective single-center study. OBJECTIVE: To evaluate the compensatory mechanism of cervical lordosis (CL), the changes in cervical sagittal alignment and range of motion (ROM) after muscle-preserving selective laminectomy (SL). SUMMARY OF BACKGROUND DATA: CL increases as a compensatory mechanism for the adjustment of cervical sagittal balance or horizontal gaze. However, laminoplasty invades this mechanism and causes kyphosis in higher T1 (C7) slope patients...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28766019/a-retrospective-imaging-study-of-surgical-outcomes-and-range-of-motion-in-patients-with-cervical-ossification-of-the-posterior-longitudinal-ligament
#16
Shunsuke Kanbara, Shiro Imagama, Keigo Ito, Kenyu Ito, Naoki Ishiguro, Fumihiko Kato
PURPOSE: The K line was introduced in a previous study, but did not include the cervical range of motion (ROM) as a parameter for evaluating surgical outcomes for patients with cervical ossification of the posterior longitudinal ligament (OPLL), and few reports have used both the K line and X-ray evaluations of the cervical ROM to describe the surgical outcomes in such patients. METHODS: Double-door C2-C7 or C3-C7 laminoplasty was performed in 100 patients with cervical OPLL who were classified according to the K line [86 patients, K line (+) and 14 patients, K line (-)]...
August 1, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28765801/regression-of-disc-osteophyte-complexes-following-laminoplasty-versus-laminectomy-with-fusion-for-cervical-spondylotic-myelopathy
#17
Remi M Ajiboye, Stephen D Zoller, Adedayo A Ashana, Akshay Sharma, William Sheppard, Langston T Holly
BACKGROUND: Laminectomy with fusion (LF) and laminoplasty are two posterior-based surgical approaches for the surgical treatment of cervical spondylotic myelopathy (CSM). The decompressive effect of these approaches is thought to be primarily related to the dorsal drift of the spinal cord away from ventral compressive structures. A lesser known mechanism of spinal cord decompression following cervical LF is regression of the ventral disc osteophyte complexes which is postulated to result from the alteration of motion across the fused motion segment...
2017: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/28761503/there-is-no-evidence-that-laminoplasty-results-in-improved-outcomes-compared-with-laminectomy-in-cervical-spinal-cord-injury-without-instability
#18
COMMENT
Shayan Abdollah Zadegan, Vafa Rahimi-Movaghar
No abstract text is available yet for this article.
July 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28752243/design-of-mulitlevel-olf-approach-v-shaped-decompressive-laminoplasty-based-on-3d-printing-technology
#19
Qinjie Ling, Erxing He, Hanbin Ouyang, Jing Guo, Zhixun Yin, Wenhua Huang
PURPOSE: To introduce a new surgical approach to the multilevel ossification of the ligamentum flavum (OLF) aided by three-dimensional (3D) printing technology. METHODS: A multilevel OLF patient (male, 66 years) was scanned using computed tomography (CT). His saved DICOM format data were inputted to the Mimics14.0 3D reconstruction software (Materialise, Belgium). The resulting 3D model was used to observe the anatomical features of the multilevel OLF area and to design the surgical approach...
July 27, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28733721/factors-associated-with-postoperative-c5-palsy-after-expansive-open-door-laminoplasty-retrospective-cohort-study-using-multivariable-analysis
#20
Takashi Tsuji, Morio Matsumoto, Masaya Nakamura, Ken Ishii, Nobuyuki Fujita, Kazuhiro Chiba, Kota Watanabe
PURPOSE: The aim of the present study was to investigate the factors associated with C5 palsy by focusing on radiological parameters using multivariable analysis. METHODS: The authors retrospectively assessed 190 patients with cervical spondylotic myelopathy treated by open-door laminoplasty. Four radiographic parameters-the number of expanded lamina, C3-C7 angle, lamina open angle and space anterior to the spinal cord-were evaluated to clarify the factors associated with C5 palsy...
July 21, 2017: European Spine Journal
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