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Posterior spinal fusion

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https://www.readbyqxmd.com/read/29773455/inferior-vena-cava-filter-strut-penetration-into-the-vertebral-column-a-case-of-10-year-clinical-follow-up
#1
David A Petrov, Aakash Chauhan, Sean Fitzpatrick, Daniel T Altman, Bethany Casagranda
BACKGROUND: The rate of vena cava (IVC) filter placement has increased over the past decade, especially in the orthopaedic trauma patient population. With the increasing use of IVC filters, radiologists and referring clinicians must be familiar with potential complications. CLINICAL CASE: This case report presents an 18-year-old polytraumatized patient who had an IVC filter placed and required T8-L2 posterior spinal fusion. At 4.5 years of follow-up, a computed tomography (CT) scan for painful spinal hardware incidentally found that the IVC filter had migrated into the L3 vertebral body...
April 18, 2018: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29772857/-posterior-spinal-canal-decompression-with-screw-fixation-and-reconstruction-of-three-vertebral-column-for-thoracolumbar-burst-fractures-complicated-with-nerve-injury
#2
Li-Yong Wu, Xue-Mei Huang, Yue Wang, Zhao-Bo Yang, Sheng-Hui Su, Chun Wang
OBJECTIVE: To explore the feasibility and clinical effect of posterior spinal canal decompression with pedicle screw fixation and reconstruction of anterior and middle vertebral column for thoracolumbar burst fractures complicated with nerve injury. METHODS: A total of 36 patients with thoracolumbar burst fractures treated from March 2011 to April 2016 were enrolled in the retrospective study. There were 20 males and 16 females, aged from 21 to 52 years old with an average of 37...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29770179/biomechanical-comparison-between-titanium-and-cobalt-chromium-rods-used-in-a-pedicle-subtraction-osteotomy-model
#3
Kalpit N Shah, Gregory Walker, Sarath C Koruprolu, Alan H Daniels
Instrumentation failure is a common complication following complex spinal reconstruction and deformity correction. Rod fracture is the most frequent mode of hardware failure and often occurs at or near a 3-column osteotomy site. Titanium (Ti) rods are commonly utilized for spinal fixations, however, theoretically stiffer materials, such as cobalt-chrome (CoCr) rods are also available. Despite ongoing use in clinical practice, there is little biomechanical evidence that compares the construct ability to withstand fatigue stress for Ti and Co-Cr rods...
March 29, 2018: Orthopedic Reviews
https://www.readbyqxmd.com/read/29767766/cost-transparency-in-neurosurgery-a-single-institution-analysis-of-patient-out-of-pocket-spending-in-13-673-consecutive-neurosurgery-cases
#4
Michael A Mooney, Seungwon Yoon, Tyler Cole, John P Sheehy, Michael A Bohl, F David Barranco, Peter Nakaji, Andrew S Little, Michael T Lawton
BACKGROUND: Patient out-of-pocket (OOP) spending is an increasingly discussed topic; however, there is minimal data available on the patient financial burden of surgical procedures. OBJECTIVE: To analyze hospital and surgeon expected payment data and patient OOP spending in neurosurgery. METHODS: This is a retrospective cohort study of neurosurgical patients at a tertiary-referral center from 2013 to 2016. Expected payments, reflecting negotiated costs-of-care, as well as actual patient OOP payments for hospital care and surgeon professional fees were analyzed...
May 15, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29763982/bone-graft-in-posterior-spine-fusion-for-adolescent-idiopathic-scoliosis-a-meta-analysis
#5
REVIEW
Nathan Kirzner, Luke Hilliard, Catherine Martin, Gerald Quan, Susan Liew, Ali Humadi
BACKGROUNDS: The aim of this study was to systematically analyse and perform a meta-analysis on the current available literature comparing the fusion rates and complications associated with use of autograft, allograft and bone substitutes to supplement posterior spinal fusion for adolescent idiopathic scoliosis (AIS). METHODS: The electronic databases including Embase, PubMed, Medline, Cinahl and Cochrane Library were searched to identify relevant studies. A total of 12 studies with 2389 patients were included for meta-analysis...
May 15, 2018: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29746962/posterior-spinal-surgery-for-adolescent-idiopathic-scoliosis-does-not-induce-compensatory-increases-in-distal-adjacent-segment-motion-a-prospective-gait-analysis-study
#6
R M Holewijn, I Kingma, M de Kleuver, N L W Keijsers
BACKGROUND CONTEXT: Adolescent idiopathic scoliosis (AIS) patients perform surprisingly well after spinal correction and fusion. It was previously hypothesized that, during gait, certain mechanisms compensate for the loss in spinal motion. Still, previous studies could not identify such compensatory mechanisms in the lower body. PURPOSE: This study aims to test the hypothesis of a compensatory increased motion of the distal unfused part of the spine during gait after posterior spinal correction and fusion...
May 7, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29742711/pituitary-apoplexy-following-lumbar-fusion-surgery-in-prone-position-a-case-report
#7
Chunghee Joo, Geol Ha, Yeon Jang
RATIONALE: Pituitary apoplexy (PA) is a syndrome caused by acute hemorrhage or infarction of the pituitary gland, generally within a pituitary adenoma. PA following spinal surgery is a very rare complication and may be difficult to diagnose. However, early diagnosis of PA is essential for the timely treatment of pan-hypopituitarism and prevention of severe neurologic complications. PATIENT CONCERNS: A 73-year-old man had a posterior lumbar fusion surgery over a period of 8 hours on prone position...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29738385/safe-intraoperative-neurophysiologic-monitoring-during-posterior-spinal-fusion-in-a-patient-with-cochlear-implants
#8
Godwin Abiola, Bryan Kevin Ward, Stephen Bowditch, Eva Katharina Ritzl, John Patrick Carey
OBJECTIVE: Cochlear implants are generally considered a contraindication for any procedure requiring electrical stimulation near the implant. We present a case of a patient undergoing intraoperative transcranial electrical motor-evoked potential monitoring with a cochlear implant without adverse outcomes. PATIENT: A 12-year-old girl with a history of VACTERL presented with worsening congenital kyphosis and bilateral severe-to-profound hearing loss. Since age 7 the patient used a cochlear implant in the right ear and hearing aid in the left ear...
June 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29735142/decision-making-of-graduation-in-patients-with-early-onset-scoliosis-at-the-end-of-distraction-based-programs-risks-and-benefits-of-definitive-fusion
#9
Javier Pizones, Mar Pérez Martín-Buitrago, José Miguel Sánchez Márquez, Nicomedes Fernández-Baíllo, Montserrat Baldan-Martin, Francisco Javier Sánchez Pérez-Grueso
STUDY DESIGN: Retrospective comparative analysis. OBJECTIVE: Study early-onset scoliosis (EOS) graduated patients to establish founded criteria for graduation decision making and determine the risks and benefits of definitive fusion. SUMMARY OF BACKGROUND DATA: EOS is treated by growth-friendly techniques until skeletal maturity. Afterwards, patients can be "graduated," either by definitive fusion (posterior spinal fusion [PSF]) or by retaining the previous implants (Observation) with no additional surgery...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735138/transpedicular-decompression-debridement-and-posterior-spinal-fusion-with-instrumentation-for-single-level-thoracic-spinal-tuberculosis-with-myelopathy-is-anterior-column-reconstruction-necessary
#10
Saumyajit Basu, Sri Krishna Chaitanya Kondety
OBJECTIVES: The purpose of this study is to study the safety and efficacy of single-stage transpedicular decompression/debridement and instrumented posterior spinal fusion for single-level thoracic spinal tuberculosis with myelopathy without anterior column reconstruction. SUMMARY OF BACKGROUND DATA: Existing literature has many reports of transpedicular decompression/debridement and instrumented posterior spinal fusion with anterior column reconstruction. The quoted loss of correction is around 2°, but there is no strong evidence analyzing the loss of kyphosis correction, assessment of fusion in the same, without anterior column reconstruction...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735136/assessment-of-coronal-spinal-alignment-for-adult-spine-deformity-cases-after-intraoperative-t-square-shaped-use
#11
Swamy Kurra, Umesh Metkar, Henaku Yirenkyi, Richard A Tallarico, William F Lavelle
STUDY DESIGN: Retrospectively reviewed surgeries between 2011 and 2015 of patients who underwent posterior spinal deformity instrumentation with constructs involving fusions to pelvis and encompassing at least five levels. OBJECTIVE: Measure the radiographic outcomes of coronal malalignment (CM) after use of an intraoperative T square shaped instrument in posterior spinal deformity surgeries with at least five levels of fusion and extension to pelvis. BACKGROUND: Neuromuscular children found to benefit from intraoperative T square technique to help achieve proper coronal spinal balance with extensive fusions...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735133/optimal-lowest-instrumented-vertebra-for-thoracic-adolescent-idiopathic-scoliosis
#12
Charla R Fischer, Lawrence G Lenke, Keith H Bridwell, Oheneba Boachie-Adjei, Munish Gupta, Yongjung J Kim
STUDY DESIGN: Retrospective cohort chart review. OBJECTIVE: To determine the optimal lowest instrumented vertebra (LIV) following posterior segmental spinal instrumented fusion (PSSIF) of thoracic adolescent idiopathic scoliosis (AIS) with LIV at L2 or above. SUMMARY OF BACKGROUND DATA: Few studies evaluate the optimal LIV based on rotation or center sacral vertical line (CSVL). METHODS: A radiographic assessment of 544 thoracic major AIS patients (average age 14...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735131/anterior-spinal-fusion-and-posterior-spinal-fusion-both-effectively-treat-lenke-type-5-curves-in-adolescent-idiopathic-scoliosis-a-multicenter-study
#13
Courtney O'Donnell, Nicole Michael, X Pan, John Emans, Sumeet Garg, Mark Erickson
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: Retrospective comparison of radiographic and clinical outcomes between anterior spinal fusion (ASF) and posterior spinal fusion (PSF) in surgical treatment of Lenke 5 curves. SUMMARY OF BACKGROUND DATA: ASF and PSF are used for treatment of Lenke 5 curves in patients with adolescent idiopathic scoliosis (AIS). Currently, no consensus exists for optimal surgical treatment of Lenke 5 curves...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735130/predictors-of-increased-hospital-stay-in-adolescent-idiopathic-scoliosis-patients-undergoing-posterior-spinal-fusion-analysis-of-national-database
#14
Hiroyuki Yoshihara, Carl Paulino, Daisuke Yoneoka
STUDY DESIGN: Analysis of population-based national hospital discharge data collected for the Nationwide Inpatient Sample (NIS). OBJECTIVE: To examine the predictors of increased hospital stay in adolescent idiopathic scoliosis (AIS) patients undergoing posterior spinal fusion. SUMMARY OF BACKGROUND DATA: As policy makers and hospitals are increasingly looking to cut costs, length of stay (LOS) after surgery has come into focus as an area for improvement...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735128/the-relationship-between-apical-vertebral-rotation-and-truncal-rotation-in-adolescent-idiopathic-scoliosis-using-3d-reconstructions
#15
Pawel P Jankowski, Burt Yaszay, Krishna R Cidambi, Carrie E Bartley, Tracey P Bastrom, Peter O Newton
STUDY DESIGN: Retrospective review of prospective data. OBJECTIVES: To evaluate the relationship between absolute apical vertebral rotation (AVR) evaluated with upright 3D imaging and angle of trunk rotation (ATR) before and after surgery for thoracic and lumbar curves in adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: New imaging technology allows for improved radiographic assessment of the degree of AVR pre- and postoperatively through 3D spine models created from biplanar, simultaneous spine radiographs...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29732435/rational-decision-making-in-a-wide-scenario-of-different-minimally-invasive-lumbar-interbody-fusion-approaches-and-devices
#16
REVIEW
Luiz Pimenta, Antoine Tohmeh, David Jones, Rodrigo Amaral, Luis Marchi, Leonardo Oliveira, Bruce C Pittman, Hyun Bae
With the proliferation of a variety of modern MIS spine surgery procedures, it is mandatory that the surgeon dominate all aspects involved in surgical indication. The information related to the decision making in patient selection for specific procedures is mandatory for surgical success. The objective of this study is to present decision-making criteria in minimally invasive surgery (MIS) selection for a variety of patients and pathologies. In this article, practicing surgeons who specialize in various MIS approaches for spinal fusion were engaged to provide expert opinion and literature review on decision making criteria for several MIS procedures...
March 2018: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29732428/minimum-ten-year-follow-up-of-spinal-stenosis-with-degenerative-spondylolisthesis-treated-with-decompression-and-dynamic-stabilization
#17
Kotryna Veresciagina, Arne Mehrkens, Stefan Schären, Bernhard Jeanneret
Background: The Dynesys system remains the most widely implanted posterior non-fusion pedicle screw system. Various study designs used in investigations with good to excellent short- and mid-term results have been reported in the current literature. However, there is a lack of information concerning long-term outcomes following treatment for spinal stenosis with degenerative spondylolisthesis. Methods: The aim of our study was twofold. Firstly, to assess whether the dynamic stabilization in situ with the Dynesys System without bone grafting provides enough stability to prevent progression of spondylolisthesis and secondarily to maintain significant clinical improvement in a long-term follow-up (FU)...
March 2018: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29732422/developments-in-the-treatment-of-chiari-type-1-malformations-over-the-past-decade
#18
Peter G Passias, Alexandra Pyne, Samantha R Horn, Gregory W Poorman, Muhammad B Janjua, Dennis Vasquez-Montes, Cole A Bortz, Frank A Segreto, Nicholas J Frangella, Matthew Y Siow, Akhila Sure, Peter L Zhou, John Y Moon, Bassel G Diebo, Shaleen N Vira
Background: Chiari malformations type 1 (CM-1), a developmental anomaly of the posterior fossa, usually presents in adolescence or early adulthood. There are few studies on the national incidence of CM-1, taking into account outcomes based on concurrent diagnoses. To quantify trends in treatment and associated diagnoses, as retrospective review of the Kid's Inpatient Database (KID) from 2003-2012 was conducted. Methods: Patients aged 0-20 with primary diagnosis of CM-1 in the KID database were identified...
March 2018: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29731316/the-grisel-s-syndrome-a-non-traumatic-subluxation-of-the-atlantoaxial-joint
#19
L Fath, H Cebula, M N Santin, A Coca, C Debry, F Proust
INTRODUCTION: Grisel's syndrome consists in rotational subluxation of C1-C2 following ENT infection or surgery. There is no consensus on management. We present 2 cases requiring surgical treatment in our center. CASE REPORTS: Two 10-year-old patients presented torticollis with cervical pain resistant to medical treatment, with onset a few months after tonsillectomy. In both cases, radiological assessment, comprising CT scan and MRI, showed Fielding-Hawkins type-3 C1-C2 rotational subluxation, without ligament lesion...
May 3, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29728924/the-impact-of-deep-surgical-site-infection-on-surgical-outcomes-after-posterior-adult-spinal-deformity-surgery-a-matched-control-study
#20
Sleiman Haddad, Susana Núñez-Pereira, Carlos Pigrau, Dolors Rodríguez-Pardo, Alba Vila-Casademunt, Ahmet Alanay, Emre R Acaroglu, Frank S Kleinstueck, Ibrahim Obeid, Francisco Javier Sanchez Perez-Grueso, Ferran Pellisé
PURPOSE: The impact of deep surgical site infection (SSI) on surgical outcomes after adult spinal deformity (ASD) surgery is still unclear. We aimed to study the morbidity of SSI in ASD and its impact on deformity correction and functional outcome. METHODS: Prospective multicenter matched-cohort study including consecutively enrolled ASD patients. Patients developing SSI were matched to similar controls in terms of age, gender, ASA, primary or revision, extent of fusion, and use of tri-columnar osteotomies...
May 4, 2018: European Spine Journal
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