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https://www.readbyqxmd.com/read/27917700/posterior-reversible-encephalopathy-syndrome-following-elevated-mean-arterial-pressures-for-cervical-spinal-cord-injury
#1
Jeffrey H Zimering, Addisu Mesfin
BACKGROUND: Increasing the mean arterial pressure (MAP) is an accepted treatment modality to minimize the risk for irreversible neurologic damage secondary to spinal cord ischemia. Posterior reversible encephalopathy syndrome (PRES) is a rare complication occurring after transplantation surgery, in persons having an autoimmune disorder or after abrupt increases in blood pressure of various etiologies. STUDY DESIGN: Case report. METHODS: Retrospective evaluation of medical records...
December 5, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27909654/bone-substitutes-and-expanders-in-spine-surgery-a-review-of-their-fusion-efficacies
#2
Abhijeet Kadam, Paul W Millhouse, Christopher K Kepler, Kris E Radcliff, Michael G Fehlings, Michael E Janssen, Rick C Sasso, James J Benedict, Alexander R Vaccaro
STUDY DESIGN: A narrative review of literature. OBJECTIVE: This manuscript intends to provide a review of clinically relevant bone substitutes and bone expanders for spinal surgery in terms of efficacy and associated clinical outcomes, as reported in contemporary spine literature. SUMMARY OF BACKGROUND DATA: Ever since the introduction of allograft as a substitute for autologous bone in spinal surgery, a sea of literature has surfaced, evaluating both established and newly emerging fusion alternatives...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27909651/hybrid-decompression-and-fixation-technique-for-the-treatment-of-multisegmental-cervical-spondylotic-myelopathy
#3
Barón Zárate-Kalfopulos, Walter Araos-Silva, Alejandro Reyes-Sánchez, Luis Miguel Rosales-Olivarez, Armando Alpizar-Aguirre, Francisco Lopez Melendez
BACKGROUND: Cervical spondilotic myelopathy (CSM) is defined as the compromise of the spinal cord due to degenerative changes of the cervical spine. It is the most common cause of spinal cord dysfunction in patients over 55 years. An early surgical management it is paramount to achieve better neurological outcome. There is still controversy regarding the appropriate surgical treatment for multisegmental CSM involving three or more levels. The hybrid decompression and fixation technique combines one or two level corpectomy and a single level discectomy in order to obtain optimum decompression and fixation in patients with multilevel cervical myelopathy...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27909638/four-rod-instrumentation-for-treatment-of-charcot-spinal-arthropathy-causing-autonomic-dysreflexia-case-report-and-literature-review
#4
Stephanie Zyck, Gentian Toshkezi, John Pizzuti, Satya Marawar
Late complications of spinal cord injury can include Charcot arthropathy, in which spinal instability occurs as a result of repetitive trauma in the insensate spine. In rare cases, this can present as autonomic dysreflexia. We present the case of a 60-year-old man with longstanding C6 quadriplegia who presented with six months of hypertension, diaphoresis and dizziness. After an extensive workup, the patient's symptoms were attributed to autonomic dysreflexia in the setting of spinal instability from Charcot spinal arthropathy...
October 27, 2016: Curēus
https://www.readbyqxmd.com/read/27908218/risk-factors-for-dural-tears-a-study-of-elective-spine-surgery
#5
Meghan E Murphy, Panagiotis Kerezoudis, Mohammed Ali Alvi, Brandon A McCutcheon, Patrick R Maloney, Lorenzo Rinaldo, Daniel Shepherd, Daniel S Ubl, William E Krauss, Elizabeth B Habermann, Mohamad Bydon
OBJECTIVE: This study moves beyond previous cohort studies and benchmark data by studying a population of elective spine surgery from a multicenter registry in an effort to validate, disprove, and/or identify novel risk factors for dural tears. METHODS: A retrospective cohort analysis queried a multicenter registry for patients with degenerative spinal diagnoses undergoing elective spinal surgery from 2010-2014. Multivariable logistic regression analysis interrogated for independent risk factors of dural tears...
December 2, 2016: Neurological Research
https://www.readbyqxmd.com/read/27907828/surgical-apgar-score-in-patients-undergoing-lumbar-fusion-for-degenerative-spine-diseases
#6
Chien-Yu Ou, Shih-Yuan Hsu, Jian-Hao Huang, Yu-Hua Huang
OBJECTIVE: Lumbar fusion is a procedure broadly performed for degenerative diseases of spines, but it is not without significant morbidities. Surgical Apgar Score (SAS), based on intraoperative blood loss, blood pressure, and heart rate, was developed for prognostic prediction in general and vascular operations. We aimed to examine whether the application of SAS in patients undergoing fusion procedures for degeneration of lumbar spines predicts in-hospital major complications. METHODS: One hundred and ninety-nine patients that underwent lumbar fusion operation for spine degeneration were enrolled in this retrospective study...
November 21, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27906740/a-new-method-of-measuring-the-occipitocervical-angle-that-could-be-applied-as-an-intraoperative-indicator-during-occipitocervical-fusion
#7
Shingo Nagashima, Masateru Nagae, Yuji Arai, Hitoshi Tonomura, Ryota Takatori, Tsuyoshi Sukenari, Hiroyoshi Fujiwara, Koshiro Sawada, Yasuo Mikami, Toshikazu Kubo
STUDY DESIGN: A method for measuring occipitocervical angle. OBJECTIVE: To develop a new method of measurement for assessing the occipitocervical angle using intraoperative fluoroscopic imaging, and to examine its reliability. SUMMARY OF BACKGROUND DATA: To avoid postoperative complications following occipitocervical fusion, it is vital to obtain a suitable fusion angle between the occipital bone and the upper cervical spine. MATERIALS AND METHODS: The subjects were 30 cases with occipito-atlanto-axial lesions and 30 healthy volunteers...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906739/posterior-vertebral-column-resection-with-intraoperative-manual-retraction-for-the-treatment-of-posttubercular-kyphosis-in-upper-thoracic-spine-or-cervicothoracic-junction
#8
Yuqiao Chen, Guohua Lü, Bing Wang, Lei Li, Lei Kuang
STUDY DESIGN: This is a case-series. OBJECTIVE: To evaluate the clinical and radiologic outcomes of posterior vertebral column resection (PVCR) for treatment of posttubercular kyphosis in upper thoracic spine and cervicothoracic junction (CTJ). SUMMARY OF BACKGROUND DATA: Surgical management of severe posttubercular kyphosis in upper thoracic spine or CTJ is challenging. A new technique that combines PVCR and intraoperative manual traction in a single procedure, was developed to maximize the correction rate and minimize the risk of dural buckling and spinal cord injury...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906436/iliac-crest-bone-graft-a-23-years-hystory-of-infection-at-donor-site-in-vertebral-arthrodesis-and-a-review-of-current-bone-substitutes
#9
L Babbi, G Barbanti-Brodano, A Gasbarrini, S Boriani
OBJECTIVE: This is an exemplary case report underlining a relevant morbidity which could be associated to the use of autologous iliac crest bone graft (ICBG) for spine fusion. CASE REPORT: Starting from 1990, a 25-years-old woman underwent two subsequent surgical treatments for non-Hodgkin lymphoma vertebral localizations. In the second surgery, arthrodesis was obtained with autograft through right posterior iliac crest osteotomy. During the chemotherapy treatment following the surgery, the patient suffered from infection at posterior iliac crest scar, the site of previous graft, caused by methicillin-resistant Staphylococcus aureus...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27905881/bone-morphogenetic-protein-2-mediated-pain-and-inflammation-in-a-rat-model-of-posterolateral-arthrodesis
#10
Kendall Mitchell, Jill P Shah, Clifton L Dalgard, Lyubov V Tsytsikova, Ashley C Tipton, Anton E Dmitriev, Aviva J Symes
BACKGROUND: Bone morphogenetic protein-2 (BMP-2) is a pleiotropic, secreted molecule with diverse effects. The potent ability of BMP-2 to stimulate bone growth prompted its widespread clinical use for arthrodesis (spine fusion). However, elevated post-operative pain in patients treated with BMP-2 has been increasingly reported. Determining whether BMP-2 induces pain directly or whether it induces neuroinflammation, which could lower the threshold for pain, is important for developing therapeutic interventions...
December 1, 2016: BMC Neuroscience
https://www.readbyqxmd.com/read/27905216/-epidemiology-of-surgical-site-infection-in-a-neurosurgery-department
#11
Patricia López Pereira, Cristina Díaz-Agero Pérez, Nieves López Fresneña, Julio Las Heras Mosteiro, Aurelio Palancar Cabrera, Ángela Lourdes Rincón Carlavilla, Jesús María Aranaz Andrés
OBJECTIVE: To know the rates of infection of the surgical wound in the Department of Neurosurgery between 2011 and 2014. METHODS: An observational, prospective study was conducted of the rates of surgical wound infection among patients admitted for more than 48 h to the Neurosurgery Department of a tertiary-level university hospital between July 2011 and December 2014. RESULTS: The study surveyed a total of 536 surgical procedures performed in 521 patients...
December 1, 2016: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/27904963/10-year-follow-up-after-implantation-of-the-bryan-cervical-disc-prosthesis
#12
Joost Dejaegher, Joris Walraevens, Johannes van Loon, Frank Van Calenbergh, Philippe Demaerel, Jan Goffin
PURPOSE: Cervical arthroplasty is being used as an alternative for cervical fusion, but long-term follow-up results have rarely been reported. In this paper, we present 10-year follow-up results after implantation of the Bryan Cervical Disc Prosthesis in a single center. METHODS: 89 patients underwent implantation of a single-level Bryan Cervical Disc Prosthesis to treat radiculopathy and/or myelopathy. Clinical (Neurological Success, Neck Disability Index (NDI), Neck- and Arm-Pain, and SF-36) and radiological follow-up was prospectively organized up to 10 years after surgery...
November 30, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27902591/a-novel-indication-for-a-method-in-the-treatment-of-lumbar-tuberculosis-through-minimally-invasive-extreme-lateral-interbody-fusion-xlif-in-combination-with-percutaneous-pedicle-screws-fixation-in-an-elderly-patient-a-case-report
#13
Qiyou Wang, Yichun Xu, Ruiqiang Chen, Jianwen Dong, Bin Liu, Limin Rong
RATIONALE: To describe a novel indication for a method through minimally invasive extreme lateral interbody fusion (XLIF) in combination with percutaneous pedicle screwsfixation in the treatment of lumbar tuberculosis (TB) in an elderly patient, and its clinical efficacy and feasibility. Lumbar TB is a destructive form of TB. Antituberculous treatment should be started as early as possible. In some circumstances, however, surgical debridement with or without stabilization of the spine appears to be beneficial and may be recommended...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27902557/stiffness-after-pan-lumbar-arthrodesis-for-adult-spinal-deformity-does-not-significantly-impact-patient-functional-status-or-satisfaction-irrespective-of-proximal-endpoint
#14
Robert A Hart, Jayme Hiratzka, Marie S Kane, Virginie Lafage, Eric Klineberg, Christopher P Ames, Breton G Line, Frank Schwab, Justin K Scheer, Shay Bess, D Kojo Hamilton, Christopher I Shaffrey, Greg Mundis, Justin S Smith, Douglas C Burton, Daniel M Sciubba, Vedat Deviren, Oheneba Boachie-Adjei
STUDY DESIGN: Prospective, multi-center OBJECTIVE.: To determine if stiffness significantly affects function or satisfaction after pan-lumbar arthrodesis. SUMMARY OF BACKGROUND DATA: The Lumbar Stiffness Disability Index (LSDI) is a validated measure of the effect of lumbar stiffness on functional activities. Data suggests that patients undergoing fusion of the entire lumbar spine are at greatest risk of functional limitations from stiffness. METHODS: The LSDI, Short Form 36 (SF-36), Scoliosis Research Society-22 (SRS-22), and Oswestry Disability Index (ODI) were administered pre-operatively and at 2-year minimum follow-up to 103 spinal deformity patients from 11 centers...
November 29, 2016: Spine
https://www.readbyqxmd.com/read/27901415/burden-of-surgical-site-infections-associated-with-select-spine-operations-and-involvement-of-staphylococcus-aureus
#15
Harshila Patel, Hanane Khoury, Douglas Girgenti, Sharon Welner, Holly Yu
BACKGROUND: Spine operations may be indicated for treatment of diseases including vertebral injuries, degenerative spinal conditions, disk disease, spinal misalignments, or malformations. Surgical site infection (SSI) is a clinically important complication of spine surgery. Staphylococcus aureus, including methicillin-resistant Staphylococcus aureus (MRSA), is a leading cause of post-spinal SSIs. METHODS: PubMed and applicable infectious disease conference proceedings were searched to identify relevant published studies...
November 30, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27900714/is-there-asymmetry-between-the-concave-and-convex-pedicles-in-adolescent-idiopathic-scoliosis-a-ct-investigation
#16
Colin M Davis, Caroline A Grant, Mark J Pearcy, Geoffrey N Askin, Robert D Labrom, Maree T Izatt, Clayton J Adam, J Paige Little
BACKGROUND: Adolescent idiopathic scoliosis is a complex three-dimensional deformity of the spine characterized by deformities in the sagittal, coronal, and axial planes. Spinal fusion using pedicle screw instrumentation is a widely used method for surgical correction in severe (coronal deformity, Cobb angle > 45°) adolescent idiopathic scoliosis curves. Understanding the anatomic difference in the pedicles of patients with adolescent idiopathic scoliosis is essential to reduce the risk of neurovascular or visceral injury through pedicle screw misplacement...
November 29, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27898600/is-it-necessary-to-extend-a-multilevel-posterior-cervical-decompression-and-fusion-to-the-upper-thoracic-spine
#17
Gregory D Schroeder, Christopher K Kepler, Mark F Kurd, Loren Mead, Paul W Millhouse, Priyanka Kumar, Kristen Nicholson, Christie Stawicki, Andrew Helber, Daniella Fasciano, Alpesh A Patel, Barret I Woods, Kris E Radcliff, Jeffery A Rihn, D Greg Anderson, Alan S Hilibrand, Alexander R Vaccaro
STUDY DESIGN: A retrospective cohort analysis. OBJECTIVE: The aim of this study was to determine if there is a difference in the revision rate in patients who undergo a multilevel posterior cervical fusions ending at C7, T1, or T2-T4. SUMMARY OF BACKGROUND DATA: Multilevel posterior cervical decompression and fusion is a common procedure for patients with cervical spondylotic myelopathy, but there is little literature available to help guide the surgeon in choosing the caudal level of a multilevel posterior cervical fusion...
December 1, 2016: Spine
https://www.readbyqxmd.com/read/27896816/altered-pharyngeal-structure-and-dynamics-among-patients-with-cervical-kyphosis
#18
Derrick R Randall, E Brandon Strong, Peter C Belafsky
OBJECTIVES/HYPOTHESIS: Deformities of the anterior cervical spine are an established cause of dysphagia. Whereas osteophytes and spinal fusion hardware have been reported to alter bolus flow and contribute to swallowing dysfunction, the relationship between abnormal spine curvature and swallowing dysfunction is not established. The purpose of this investigation was to evaluate the association between cervical kyphosis and objective measures of swallowing dysfunction on videofluoroscopy...
November 29, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27896800/principal-component-analysis-in-the-evaluation-of-osteoarthritis
#19
Stephanie E Calce, Helen K Kurki, Darlene A Weston, Lisa Gould
OBJECTIVES: The purpose of this study is to demonstrate advantages of principal component analysis (PCA) as a standardized procedure in the evaluation of osteoarthritis (OA) in a skeletal series to: (1) compute aggregate scores for joint complexes that accurately capture pathological expression, (2) reveal which variables describe the most sample variation in OA, (3) enable inter- and intra-sample comparison of results, and (4) formulate predictive models from component-based arthritic scores...
November 29, 2016: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/27896677/results-of-database-studies-in-spine-surgery-can-be-influenced-by-missing-data
#20
Bryce A Basques, Ryan P McLynn, Michael P Fice, Andre M Samuel, Adam M Lukasiewicz, Daniel D Bohl, Junyoung Ahn, Kern Singh, Jonathan N Grauer
BACKGROUND: National databases are increasingly being used for research in spine surgery; however, one limitation of such databases that has received sparse mention is the frequency of missing data. Studies using these databases often do not emphasize the percentage of missing data for each variable used and do not specify how patients with missing data are incorporated into analyses. This study uses the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database to examine whether different treatments of missing data can influence the results of spine studies...
November 28, 2016: Clinical Orthopaedics and related Research
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