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Posterior spinal fusion

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https://www.readbyqxmd.com/read/27909638/four-rod-instrumentation-for-treatment-of-charcot-spinal-arthropathy-causing-autonomic-dysreflexia-case-report-and-literature-review
#1
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
#2
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/27906739/posterior-vertebral-column-resection-with-intraoperative-manual-retraction-for-the-treatment-of-posttubercular-kyphosis-in-upper-thoracic-spine-or-cervicothoracic-junction
#3
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/27905881/bone-morphogenetic-protein-2-mediated-pain-and-inflammation-in-a-rat-model-of-posterolateral-arthrodesis
#4
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/27899848/a-radiographic-analysis-of-cage-positioning-in-lateral-transpsoas-lumbar-interbody-fusion
#5
Timothy L T Siu, Elmira Najafi, Kainu Lin
Direct Lumbar Interbody Fusion (DLIF) and eXtreme Lateral Interbody Fusion (XLIF) are the most common surgical platforms available for performing transpsoas spinal fusion but no study has been carried out to compare them. We evaluated 21 DLIF and 22 XLIF cage positions by measuring the distance between the posterior vertebral border and the centre of the cage normalised to the midsagittal length of the inferior end plate. We found that DLIF cages were significantly more anteriorly located than XLIF (0.65 vs 0...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27898601/fontan-fenestration-closure-prior-to-posterior-spinal-fusion-in-patients-with-single-ventricle-heart-disease
#6
Matthew C Schwartz, David Nykanen, Craig Fleishman, Hamish M Munro, Jonathan Phillips, Raymond D Knapp, Donald Felix
STUDY DESIGN: Case series. OBJECTIVE: To describe transcatheter closure of the Fontan fenestration prior to posterior spinal fusion in two children to prevent paradoxical venous air embolism during the operation. SUMMARY OF BACKGROUND DATA: Scoliosis is common among patients with single-ventricle congenital heart disease who have undergone Fontan operation and spinal surgery can offer physiologic benefits. Venous air embolism is a rare, but important reported complication during spinal surgery performed in the prone position...
December 1, 2016: Spine
https://www.readbyqxmd.com/read/27893663/revision-surgery-for-curve-progression-after-implant-removal-following-posterior-fusion-only-at-a-young-age-in-the-treatment-of-congenital-scoliosis-a-case-report
#7
Dong-Gune Chang, Jae Hyuk Yang, Jung-Hee Lee, Jung-Sub Lee, Seung-Woo Suh, Jin-Hyok Kim, Seung-Yeol Oh, Woojin Cho, Jong-Beom Park, Se-Il Suk
RATIONALE: Congenital scoliosis due to a hemivertebra creates a wedge-shaped deformity, which progresses and causes severe spinal deformities as an individual grows. The treatment of congenital scoliosis focuses on early diagnosis and appropriate surgical management before the development of severe deformity. PATIENT CONCERNS: We report the case of a 4-year-old male child with a left thoracolumbar scoliosis of 27° (T10-T12) due to a T11 hemivertebra who was treated by posterior fusion and pedicle screw fixation at the age of 4 years...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27879507/pedicle-screw-combined-with-lateral-mass-screw-fixation-in-the-treatment-of-basilar-invagination-and-congenital-c2-c3-fusion
#8
Shenglin Wang, Chao Wang, Huijie Leng, Weidong Zhao, Ming Yan, Haitao Zhou
STUDY DESIGN: Clinical evaluation of a surgical fixation technique featuring combined use of pedicle screw and lateral mass screw (LMS). OBJECTIVE: Introduction of a novel technique for the treatment of congenital C2-C3 fusion and basilar invagination (BI). SUMMARY OF BACKGROUND: Posterior occipitocervical fixation using C2 pedicle screw was widely used for BI. However, in cases where BI is concurrent with congenital C2-C3 fusion, the C2 pedicles tend to be thinner than that in normal population and hence more likely to fail...
December 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27878902/a-retrospective-comparison-of-intrathecal-morphine-and-epidural-hydromorphone-for-analgesia-following-posterior-spinal-fusion-in-adolescents-with-idiopathic-scoliosis
#9
Rebecca A Hong, Kathleen M Gibbons, G Ying Li, Ashlee Holman, Terri Voepel-Lewis
BACKGROUND: Posterior spinal fusion to correct idiopathic scoliosis is associated with severe postoperative pain. Intrathecal morphine is commonly used for analgesia after adolescent posterior spinal fusion; however, anticipating and managing the increase in pain scores after resolution of analgesic effect of intrathecal morphine analgesia is challenging. In 2014, we developed a clinical protocol detailing both the administration of intrathecal morphine intraoperatively and the transition to routine, scheduled oral analgesics at 18 h postoperatively...
November 22, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27872896/comparison-of-clinical-and-radiologic-outcome-of-adolescent-idiopathic-scoliosis-treated-with-hybrid-hook-screw-instrumentation-versus-universal-clamp-system
#10
Ebrahim Ghayem Hassankhani, Farzad Omidi-Kashani, Shahram Moradkhani, Golnaz Ghayem Hassankhani, Mohammad Taghi Shakeri
Background. In surgical treatment of adolescent idiopathic scoliosis (AIS), hybrid universal clamp system has been used by some authors. We aimed to compare the clinical and radiologic outcome of hybrid universal clamp with hybrid thoracic hook lumbar screw. Methods. A prospective study was performed on 56 consecutive patients with AIS, who had alternatively undergone a posterior spinal fusion and instrumentation with hybrid thoracic hook lumbar screw system (28 patients: group A) and hybrid universal clamp system (28 patients: group B) between June 2006 and January 2014 at Imam Reza University Hospital and had been followed up for more than two years...
2016: Advances in Medicine
https://www.readbyqxmd.com/read/27869629/coagulation-profile-of-patients-with-adolescent-idiopathic-scoliosis-undergoing-posterior-spinal-fusion
#11
Patrick Bosch, Tanya S Kenkre, Joanne A Londino, Antonio Cassara, Charles Yang, Jonathan H Waters
BACKGROUND: Blood loss and transfusion requirements during posterior spinal fusion for adolescent idiopathic scoliosis remain a concern. The mechanism of bleeding in these patients is poorly characterized. Thromboelastography is a comprehensive test of a patient's coagulation system commonly used in cardiac surgical procedures. It has not been well studied for use in patients with adolescent idiopathic scoliosis. METHODS: A prospective, observational study of the coagulation profile of patients with adolescent idiopathic scoliosis undergoing posterior spinal fusion is presented...
October 19, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27858249/a-review-of-the-application-of-vancomycin-powder-to-posterior-spinal-fusion-wounds-with-a-focus-on-side-effects-and-infection-a-prospective-study
#12
Evelyn P Murphy, Mark Curtin, Aseer Shafqat, Fergus Byrne, Mutaz Jadaan, Elias Rahall
INTRODUCTION: Deep wound infection after spinal surgery is a potentially devastating complication and is associated with higher morbidity, mortality and healthcare costs. Different measures including intraoperative application of vancomycin powder to wounds have been employed previously to decrease the infection rate. OBJECTIVES: The primary objective of this ongoing clinical study is to evaluate the systemic uptake of prophylactically applied vancomycin in instrumented spinal fusion surgery...
November 17, 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27858241/repeated-posterior-dislocation-of-total-hip-arthroplasty-after-spinal-corrective-long-fusion-with-pelvic-fixation
#13
Hiroki Furuhashi, Daisuke Togawa, Hiroshi Koyama, Hironobu Hoshino, Tatsuya Yasuda, Yukihiro Matsuyama
PURPOSE: Several reports have indicated that anterior dislocation of total hip arthroplasty (THA) can be caused by spinal degenerative changes with excessive pelvic retroversion. However, no reports have indicated that posterior dislocation can be caused by fixed pelvic anteversion after corrective spine surgery. We describe a rare case experiencing repeated posterior THA dislocation that occurred at 5 months after corrective spinal long fusion with pelvic fixation. METHODS: A 64-year-old woman had undergone bilateral THA at 13 years before presenting to our institution...
November 17, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27858240/return-of-motor-evoked-potentials-after-knee-flexion-in-the-setting-of-high-grade-spondylolisthesis
#14
Justin Tilan, Lindsay M Andras, Mark D Krieger, David L Skaggs
PURPOSE: To present a case of loss of motor-evoked potentials (MEPs) to the left foot in the supine position after a partial reduction and instrumented fusion from L4 to pelvis which was managed successfully without revision or removal of implants. METHODS: We report a patient with high-grade spondylolisthesis who demonstrated loss of motor-evoked potentials after posterior spinal fusion and transfer to supine position. The patient's knees were flexed to 90° and signals were immediately restored...
November 17, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27857933/retro-odontoid-pseudotumor-without-atlantoaxial-subluxation-or-rheumatic-arthritis
#15
Seung Han Yu, Hyuk Jin Choi, Won Ho Cho, Seung Heon Cha, In Ho Han
We present a case of retro-odontoid pseudotumor (ROP) without rheumatoid arthritis (RA) or atlantoaxial subluxation (AAS). A 76-year-old woman presented with paresthesia and weakness of both lower and upper extremities. She had no laboratory or physical findings of RA. Dynamic X-ray showed no AAS and magnetic resonance imaging (MRI) showed a retro-odontoid mass compressing the spinal cord. Transdural mass debulking and biopsy were performed via minimal left suboccipital craniectomy and C1 hemilaminectomy. Two months after surgery, her symptoms were aggravated...
October 2016: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/27857796/dwarf-with-dual-spinal-kyphotic-deformity-at-the-cervical-and-dorsal-spine-unassociated-with-odontoid-hypoplasia-surgical-management
#16
Guru Dutta Satyarthee, Dipanker Singh Mankotia
Morquio's syndrome is associated with systemic skeletal hypoplasia leading to generalized skeletal deformation. The hypoplasia of odontoid process is frequent association, which is responsible for atlantoaxial dislocation causing compressive myelopathy. However, development of sub-axial cervical kyphotic deformity unassociated with odontoid hypoplasia is extremely rare, and coexistence of dorsal kyphotic deformity is not reported in the western literature till date and represents first case. Current case is 16-year-old boy, who presented with severe kyphotic deformity of cervical spine with spastic quadriparesis...
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27856380/t9-versus-t10-as-the-upper-instrumented-vertebra-for-correction-of-adult-deformity-rationale-and-recommendations
#17
Hwee Weng Dennis Hey, Kimberly-Anne Tan, Christabel Shao-En Neo, Eugene Tze-Chun Lau, Denise Ai-Wen Choong, Leok-Lim Lau, Gabriel Ka-Po Liu, Hee-Kit Wong
BACKGROUND CONTEXT: Adult spinal deformity correction sometimes involves long posterior pedicle screw constructs extending from the lumbosacral spine to the thoracic vertebra. As fusion obliterates motion and places supraphysiological stress on adjacent spinal segments, it is crucial to ascertain the ideal upper instrumented vertebra (UIV) to minimize risk of proximal junctional failure (PJF). The T10 vertebra is often chosen to allow bridging of the thoracolumbar junction into the immobile thoracic vertebrae on the basis that it is the lowest immobile thoracic vertebra strut by the rib cage...
November 14, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27853667/resection-of-beak-type-thoracic-ossification-of-the-posterior-longitudinal-ligament-from-a-posterior-approach-under-intraoperative-neurophysiological-monitoring-for-paralysis-after-posterior-decompression-and-fusion-surgery
#18
Shiro Imagama, Kei Ando, Zenya Ito, Kazuyoshi Kobayashi, Tetsuro Hida, Kenyu Ito, Yoshimoto Ishikawa, Mikito Tsushima, Akiyuki Matsumoto, Satoshi Tanaka, Masayoshi Morozumi, Masaaki Machino, Kyotaro Ota, Hiroaki Nakashima, Norimitsu Wakao, Yoshihiro Nishida, Yukihiro Matsuyama, Naoki Ishiguro
Study Design Prospective clinical study. Objective Posterior decompression and fusion surgery for beak-type thoracic ossification of the posterior longitudinal ligament (T-OPLL) generally has a favorable outcome. However, some patients require additional surgery for postoperative severe paralysis, a condition that is inadequately discussed in the literature. The objective of this study was to describe the efficacy of a procedure we refer to as "resection at an anterior site of the spinal cord from a posterior approach" (RASPA) for severely paralyzed patients after posterior decompression and fusion surgery for beak-type T-OPLL...
December 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27853663/impact-of-surgical-approach-on-clinical-outcomes-in-the-treatment-of-lumbar-pseudarthrosis
#19
R Kirk Owens, Mladen Djurasovic, Charles H Crawford, Steven D Glassman, John R Dimar, Leah Y Carreon
Study Design Retrospective comparative cohort. Objective Pseudarthrosis following fusion for degenerative lumbar spine pathologies remains a substantial problem. Current data shows that patients who develop a pseudarthrosis have suboptimal outcomes. This study evaluates if treatment of pseudarthrosis can be affected by surgical approach. Methods Medical records of 63 female and 65 male patients (mean age 50.37) who were treated for nonunion following lumbar fusion were reviewed. Sixty patients underwent posterolateral fusion (PSF), 18 underwent PSF with transforaminal interbody fusion (TLIF), 32 underwent anterior and posterior spinal fusion (AP), and 24 underwent anterior lumbar interbody fusion (ALIF)...
December 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27852709/long-fusion-correction-of-degenerative-adult-spinal-deformity-and-the-selection-of-the-upper-or-lower-thoracic-region-as-the-site-of-proximal-instrumentation-a-systematic-review-and-meta-analysis
#20
Xin Fu, Xiao-Lei Sun, Jonathan A Harris, Sun-Ren Sheng, Hua-Zi Xu, Yong-Long Chi, Ai-Min Wu
OBJECTIVE: The aim of this study was to compare outcomes when the upper and lower thoracic regions were used as the site of proximal instrumentation to treat adult spinal deformity. METHODS: MEDLINE, Embase and Cochrane library searches were performed to identify studies that compared outcome measures when the upper and lower thoracic vertebrae (UTV and LTV, respectively) were used as the site of proximal instrumentation. The weighted mean difference (WMD) was calculated for continuous outcomes, and the relative risk (RR) was calculated for dichotomous outcomes...
November 15, 2016: BMJ Open
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