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https://www.readbyqxmd.com/read/27810454/management-of-type-ii-odontoid-fractures-latin-american-spine-centers-experience
#1
Asdrubal Falavigna, Orlando Righesso, Pedro Guarise da Silva, Carlos Rocca Siri, Jefferson W Daniel, José Carlos Esteves Veiga, Gustavo Borges Laurindo de Azevedo, Ratko Yurac, Felix Adolfo Sanchez Chavez, Ericson Sfreddo, Andre Cecchini, Marcelo Martins do Reis, K Daniel Riew
OBJECTIVE: To analyze the characteristics of type-II odontoid fractures (TII-OF); the clinical and radiographical factors that influence surgical planning in eight Latin American centers. METHODS: Retrospective chart review of 88 patients reported with TII-OF between 2004 and 2015 from eight Latin American centers. The studied parameters were: (I) demographic data, (II) cause of fracture, (III) clinical and neurologic presentation, (IV) characteristics of the fracture (degree of odontoid displacement, displacement of the odontoid relative to the C2 body, anatomy of the fracture line, the distance between fragments, presence of comminution, contact area between the odontoid and the C2 body, (V) type of treatment, (VI) clinical and radiographic outcome...
October 31, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27781191/outcomes-following-laminoplasty-or-laminectomy-and-fusion-in-patients-with-myelopathy-caused-by-ossification-of-the-posterior-longitudinal-ligament-a-systematic-review
#2
REVIEW
Weerasak Singhatanadgige, Worawat Limthongkul, Frank Valone, Wicharn Yingsakmongkol, K Daniel Riew
Study Design Systematic review. Objective To compare laminoplasty versus laminectomy and fusion in patients with cervical myelopathy caused by OPLL. Methods A systematic review was conducted using PubMed/Medline, Cochrane database, and Google scholar of articles. Only comparative studies in humans were included. Studies involving cervical trauma/fracture, infection, and tumor were excluded. Results Of 157 citations initially analyzed, 4 studies ultimately met our inclusion criteria: one class of evidence (CoE) II prospective cohort study and three CoE III retrospective cohort studies...
November 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27559454/postoperative-severe-headache-following-cervical-posterior-surgical-fixation-from-c2-distally
#3
Ryoji Tauchi, Sang-Hun Lee, Jin-Young Kim, Yong-Chan Kim, Colleen Peters, Shiro Imagama, Naoki Ishiguro, Jacob Buchowski, K Daniel Riew
STUDY DESIGN: Retrospective study. PURPOSE: To identify the prevalence of severe headache occurring after cervical posterior surgical fixation (PSF) and to evaluate the clinical and radiological findings associated with severe headache after surgery. OVERVIEW OF LITERATURE: Several studies have reported on the axial pain after cervical surgery. However, to our knowledge, the incidence of severe headache after cervical PSF has not been elucidated...
August 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27555996/correlation-and-reliability-of-cervical-sagittal-alignment-parameters-between-lateral-cervical-radiograph-and-lateral-whole-body-eos-stereoradiograph
#4
Weerasak Singhatanadgige, Daniel G Kang, Panya Luksanapruksa, Colleen Peters, K Daniel Riew
STUDY DESIGN: Retrospective analysis. OBJECTIVE: To evaluate the correlation and reliability of cervical sagittal alignment parameters obtained from lateral cervical radiographs (XRs) compared with lateral whole-body stereoradiographs (SRs). METHODS: We evaluated adults with cervical deformity using both lateral XRs and lateral SRs obtained within 1 week of each other between 2010 and 2014. XR and SR images were measured by two independent spine surgeons using the following sagittal alignment parameters: C2-C7 sagittal Cobb angle (SCA), C2-C7 sagittal vertical axis (SVA), C1-C7 translational distance (C1-7), T1 slope (T1-S), neck tilt (NT), and thoracic inlet angle (TIA)...
September 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27352373/comparison-of-long-term-differences-in-dysphagia-cervical-arthroplasty-and-anterior-cervical-fusion
#5
Joseph D Smucker, Scott R Bassuener, Rick C Sasso, K Daniel Riew
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: This study investigates the incidence of long-term dysphagia in cervical disc arthroplasty, and anterior cervical discectomy and fusion (ACDF) patients. SUMMARY OF BACKGROUND DATA: No long-term comparison of dysphagia between cervical arthroplasty and fusion patients has been published. Widely variable short-term postsurgical dysphagia rates have been reported. MATERIALS AND METHODS: Cohorts for this study are patients with single-level cervical degenerative disc disease previously enrolled in a randomized clinical trial comparing cervical arthroplasty and ACDF...
June 27, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27293295/trends-in-scientific-publications-of-indian-spine-surgeons-over-14-years-2000-2013
#6
Rishi Mugesh Kanna, Asdrubal Falavigna, Pedro Guarise da Silva, Francine Wurzius Quadros, Luiz Henrique Merlin, Lucas Radaelli, Juan Pablo Guyot, Diego Dozza, Daniel K Riew, Délio Martins, Kawaguchi Yoshiharu, S Rajasekaran
BACKGROUND: The number and quality of scientific publications reflects the standards of scientific research in a country. However, the contribution of Indian spine surgeons toward global publications is unknown. The goal is to study the publications of Indian spine surgeons between 2000 and 2013. MATERIALS AND METHODS: A literature search of the publications by Indian spine surgeons was performed using MEDLINE. The search terms used were India and several spine-related terminologies...
May 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27261722/do-anterior-cervical-osteophytes-prevent-dynamization-of-cervical-dynamic-plates
#7
Moon Soo Park, Seong-Hwan Moon, Hwan-Mo Lee, Seok Woo Kim, Tae-Hwan Kim, Seul Ki Min, Bo-Kyung Suh, K Daniel Riew
STUDY DESIGN: A retrospective study OBJECTIVE:: To evaluate radiographic changes of patients with osteophytes at the anterior border of the caudal vertebral body who were treated with anterior cervical discectomy and fusion (ACDF) using dynamic rotational plates. SUMMARY OF BACKGROUND DATA: Dynamic cervical plates are widely used in surgeries of the anterior cervical spine. One concern in using dynamic plates is that the subjacent anterior osteophytes might act as a bony block and prevent dynamization of the plate...
June 3, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27246350/can-standard-anterior-smith-robinson-supramanubrial-approach-be-utilized-for-approach-down-to-t2-or-t3
#8
Weerasak Singhatanadgige, Lukas P Zebala, Panya Luksanapruksa, K Daniel Riew
PURPOSE: The aim of this study was to determine a plain radiographic criterion for determining the feasibility of using the standard anterior Smith-Robinson supramanubrial approach for anterior surgery down to T2 or T3. METHODS: The surgical database (2002-2014) was searched to identify patients with anterior cervical surgery to T2 or T3. A method to determine whether a standard anterior Smith-Robinson approach can be used to operate on the upper thoracic levels was evaluated...
May 31, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27190740/spinolaminar-line-test-as-a-screening-tool-for-c1-stenosis
#9
Yasushi Oshima, Michael P Kelly, Kwang-Sup Song, Moon Soo Park, Tapanut Chuntarapas, Katie D Vo, Jin S Yeom, Katsushi Takeshita, K Daniel Riew
Study Design Retrospective cohort. Objective To clarify the sensitivity of C3-C2 spinolaminar line test as a screening tool for the stenosis of C1 space available for the cord (SAC). Methods Spine clinic records from April 2005 to August 2011 were reviewed. The C1 SAC was measured on lateral radiographs, and the relative positions between a C1 posterior arch and the C3-C2 spinolaminar line were examined and considered "positive" when the C1 ring lay ventral to the line. Computed tomography (CT) scans and magnetic resonance imaging (MRI) were utilized to measure precise diameters of C1 and C2 SAC and to check the existence of spinal cord compression...
June 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27190737/cervical-myeloradiculopathy-due-to-ossification-of-the-posterior-longitudinal-ligament-with-versus-without-diffuse-idiopathic-spinal-hyperostosis
#10
Ryoji Tauchi, Sang-Hun Lee, Colleen Peters, Shiro Imagama, Naoki Ishiguro, K Daniel Riew
Study Design Retrospective study. Objectives Assess demographics, ossification characteristics, surgical outcomes, and complications in patients with both diffuse idiopathic spinal hyperostosis (DISH) and ossification of the posterior longitudinal ligament (OPLL) compared with patients who only have OPLL. Methods Clinical charts and radiographs of all patients treated surgically from February 2004 to July 2012 for cervical myeloradiculopathy due to DISH with OPLL or OPLL alone were reviewed retrospectively...
June 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27189293/surgical-anatomy-of-the-longus-colli-muscle-and-uncinate-process-in-the-cervical-spine
#11
Moon Soo Park, Seong Hwan Moon, Tae Hwan Kim, Jae Keun Oh, Hyung Joon Kim, Kun Tae Park, K Daniel Riew
PURPOSE: There have been a few previous reports regarding the distances between the medial borders of the longus colli to expose the disc space. However, to our knowledge, there are no reports concerning longus colli dissection to expose the uncinate processes. This study was undertaken to assess the surgical relationship between the longus colli muscle and the uncinate process in the cervical spine. MATERIALS AND METHODS: This study included 120 Korean patients randomly selected from 333 who had cervical spine MRIs and CTs from January 2003 to October 2013...
December 0: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27149369/fractional-anisotropy-to-quantify-cervical-spondylotic-myelopathy-severity
#12
Rory K Murphy, Peng Sun, Rowland H Han, Kim J Griffin, Joanne M Wagner, Chester K Yarbrough, Neill M Wright, Ian G Dorward, Daniel K Riew, Michael P Kelly, Paul Santiago, Lukas P Zebala, Kathryn Trinkaus, Wilson Z Ray, Sheng K Song
BACKGROUND: A number of clinical tools exist for measuring the severity of cervical spondylotic myelopathy (CSM). Several studies have recently described the use of non-invasive imaging biomarkers to assess severity of disease. These imaging markers may provide an additional tool to measure disease progression and represent a surrogate marker of response to therapy. Correlating these imaging biomarkers with clinical quantitative measures is critical for accurate therapeutic stratification and quantification of axonal injury...
May 5, 2016: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27114762/cervical-radiculopathy-incidence-and-treatment-of-1-420-consecutive-cases
#13
Han Jo Kim, Venu M Nemani, Chaiwat Piyaskulkaew, Samuel Romero Vargas, K Daniel Riew
STUDY DESIGN: Retrospective case series. PURPOSE: To determine the incidence of cervical radiculopathy requiring operative intervention by level and to report on the methods of treatment. OVERVIEW OF LITERATURE: Cervical radiculopathy is a common cause of pain and can result in progressive neurological deficits. Although the pathology is well understood, the actual incidence of cervical radiculopathy at particular spinal levels ultimately requiring operative intervention is unknown...
April 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27035582/reoperation-rates-after-anterior-cervical-discectomy-and-fusion-for-cervical-spondylotic-radiculopathy-and-myelopathy-a-national-population-based-study
#14
Moon Soo Park, Young-Su Ju, Seong-Hwan Moon, Tae-Hwan Kim, Jae Keun Oh, Melvin C Makhni, K Daniel Riew
STUDY DESIGN: National population-based cohort study OBJECTIVE.: To compare the reoperation rates between cervical spondylotic radiculopathy and myelopathy in a national population of patients. SUMMARY OF BACKGROUND DATA: There is an inherently low incidence of reoperation after surgery for cervical degenerative disease. Therefore, it is difficult to sufficiently power studies to detect differences between reoperation rates of different cervical diagnoses. National population-based databases provide large, longitudinally followed cohorts that may help overcome this challenge...
March 30, 2016: Spine
https://www.readbyqxmd.com/read/27031768/reoperation-rates-after-surgery-for-degenerative-cervical-spine-disease-according-to-different-surgical-procedures-national-population-based-cohort-study
#15
Moon Soo Park, Young-Su Ju, Seong-Hwan Moon, Tae-Hwan Kim, Jae Keun Oh, Melvin C Makhni, K Daniel Riew
STUDY DESIGN: National population-based cohort study. OBJECTIVE: To evaluate reoperation rates of cervical spine surgery for cervical degenerative conditions utilizing a national population database. SUMMARY OF BACKGROUND DATA: There is an inherently low incidence of reoperation after surgery for cervical degenerative disease. Therefore, it is difficult to sufficiently power studies to detect differences between reoperation rates of different cervical surgical procedures...
October 1, 2016: Spine
https://www.readbyqxmd.com/read/26949467/new-radiographic-index-for-occipito-cervical-instability
#16
Moon Soo Park, Seong-Hwan Moon, Tae-Hwan Kim, Jae Keun Oh, Ji Hoon Nam, Jae Kyun Jung, K Daniel Riew
STUDY DESIGN: Retrospective study. PURPOSE: To propose a new radiographic index for occipito-cervical instability. OVERVIEW OF LITERATURE: Symptomatic atlanto-occipital instability requires the fusion of the atlanto-occipital joint. However, measurements of occipito-cervical translation using the Wiesel-Rothman technique, Power's ratio, and basion-axial interval are unreliable because the radiologic landmarks in the occipito-cervical junction lack clarity in radiography...
February 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/26933612/radiographic-comparison-between-cervical-spine-lateral-and-whole-spine-lateral-standing-radiographs
#17
Moon Soo Park, Seong-Hwan Moon, Tae-Hwan Kim, Jae Keun Oh, Hwa Jun Kang, K Daniel Riew
Study Design Retrospective radiologic study. Objective The sagittal alignment of the cervical spine can be evaluated using either a lateral cervical radiograph or a whole-spine lateral view on which the cervical spine is included. To our knowledge, however, no report has compared the two. The purpose of this work is to identify the difference in radiographic parameters between the cervical spine lateral view and the whole-spine lateral view. Methods We retrospectively analyzed 59 adult patients suffering from neck pain with cervical spine lateral radiographs and whole-spine lateral radiographs from November 2007 to December 2011...
March 2016: Global Spine Journal
https://www.readbyqxmd.com/read/26913466/failure-of-intraoperative-monitoring-to-detect-postoperative-neurologic-deficits-a-25-year-experience-in-12-375-spinal-surgeries
#18
Barry L Raynor, Anne M Padberg, Lawrence G Lenke, Keith H Bridwell, K Daniel Riew, Jacob M Buchowski, Scott J Luhmann
STUDY DESIGN: Retrospective. OBJECTIVE: The purpose was to categorize and evaluate intraoperative monitoring (IOM) failure to detect neurologic deficits occurring during spinal surgery. SUMMARY OF BACKGROUND DATA: The efficacy of spinal cord/nerve root monitoring regarding undetected neurologic deficits is examined in a large, single institution series involving all levels of the spinal column and all spinal surgical procedures. METHODS: Multimodality IOM included somatosensory-evoked potentials (SSEPs), descending neurogenic-evoked potentials (DNEPs), transcranial motor-evoked potentials (MEPs), dermatomal somatosensory-evoked potentials (DSEPs), and spontaneous and triggered electromyography (spEMG, trgEMG)...
September 2016: Spine
https://www.readbyqxmd.com/read/26835196/cervical-scoliosis-clinical-and-radiographic-outcomes
#19
Addisu Mesfin, Wajeeh R Bakhsh, Tapanut Chuntarapas, K Daniel Riew
Study Design Retrospective study. Objective Cervical scoliosis is a rare condition that can arise from various etiologies. Few reports on the surgical management of cervical scoliosis exist. Our objective was to evaluate clinical and radiographic outcomes following surgical management of cervical scoliosis. Methods We evaluated our cervical spine surgical database for patients with cervical scoliosis (Cobb angle > 10 degrees) from 2005 to 2010. Demographic data including age, gender, diagnoses, and primary versus revision surgery was collected...
February 2016: Global Spine Journal
https://www.readbyqxmd.com/read/26732969/steroid-use-for-acute-spinal-cord-injury-in-latin-america-a-potentially-dangerous-practice-guided-by-fear-of-lawsuit
#20
MULTICENTER STUDY
Alisson R Teles, Jorge Cabrera, K Daniel Riew, Asdrubal Falavigna
BACKGROUND: Current international guidelines do not recommend the routine administration of methylprednisolone (MP) in patients with acute spinal cord injury (SCI). Its use is known to be associated with complications and death. OBJECTIVES: To identify patterns of practice and reasons for MP prescription for acute SCI in Latin America. METHODS: Portuguese- and Spanish-modified versions of a previously published questionnaire were used to evaluate opinions about the administration of MP for acute SCI in Latin America...
April 2016: World Neurosurgery
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