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https://www.readbyqxmd.com/read/29781783/clinical-and-radiological-outcome-of-non-surgical-management-of-thoracic-and-lumbar-spinal-fracture-dislocations-a-historical-analysis-in-the-era-of-modern-spinal-surgery
#1
Andrei Fernandes Joaquim, Gregory D Schroeder, Alpesh A Patel, Alexander R Vaccaro
CONTEXT: It is well established that traumatic spinal dislocations (AO Type C injuries) should be surgically treated. However, no recent comparative study of surgical versus non-surgical management of type C injuries was found attesting the superiority of surgical treatment. OBJECTIVE: Due to the lack of information about the natural history of non-surgical management of type C injuries, we evaluated the outcome of historical conservative treatment of type C injuries...
May 21, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29762113/cervicothoracic-pedicle-morphometry-using-an-osteological-collection-to-characterize-trends-in-pedicle-size
#2
Mhamad Faour, Charles C Yu, Navkirat Bajwa, Jason O Toy, Uri M Ahn, Nicholas U Ahn
Pedicle screws are a common treatment option for spinal instability. Despite their popularity, pedicle screws carry the risk of transpedicular violation with subsequent neural and vascular damage. This study measured the pedicle dimensions of 500 dry specimens in an osteological collection. The data provide the orthopedic spine surgeon with an accurate measure of pedicle morphometry in light of previously limited and contradictory results. The study demonstrates that pedicle height at the cervicothoracic junction tends to increase with body height, particularly for females...
2018: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29758454/biomechanical-investigation-on-the-influence-of-the-regional-material-degeneration-of-an-intervertebral-disc-in-a-lower-lumbar-spinal-unit-a-finite-element-study
#3
Masni-Azian, Masao Tanaka
Intervertebral disc degeneration involves changes in its material properties that affect the mechanical functions of the spinal system. However, the alteration of the biomechanics of a spinal segment through specific material degradation in a specific region is poorly understood. In this study, the influence of the constitutive material degeneration of disc tissues on the mechanics of a lower lumbar spinal unit was examined using a three-dimensional nonlinear finite element model of the L4-L5 functional spinal unit...
May 6, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29728741/residual-medial-tightness-in-extension-is-corrected-spontaneously-after-total-knee-arthroplasty-in-varus-knees
#4
Tadashi Tsukeoka, Yoshikazu Tsuneizumi
PURPOSE: Although soft tissue balancing is considered important for successful total knee arthroplasty (TKA), it is unclear whether the laxity and balance achieved intraoperatively change postoperatively. A recent study demonstrated anaesthesia significantly influenced knee joint laxity after TKA; however, there has been no comparison of the varus-valgus laxity immediately after TKA and in the postoperative period under the same anesthetic conditions. Therefore, quantitative stress arthrometric studies were conducted under identical conditions to identify changes in coronal ligament laxity after TKA spontaneously...
May 4, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29727270/pedicle-distraction-increases-intervertebral-and-spinal-canal-area-in-a-cadaver-and-bone-model
#5
Matthew Hughes, Nikolaos Papadakos, Tim Bishop, Jason Bernard
INTRODUCTION: Lumbar spinal stenosis is degenerative narrowing of the spinal canal and/or intervertebral foramen causing compression of the spinal cord and nerve roots. Traditional decompression techniques can often cause significant trauma and vertebral instability. This paper evaluates a method of increasing pedicle length to decompress the spinal and intervertebral foramen, which could be done minimally invasive. METHODS: Three Sawbone (Sawbones Europe, Sweden) and 1 cadaveric lumbar spine underwent bilateral pedicle distraction at L4...
2018: SICOT-J
https://www.readbyqxmd.com/read/29724648/lumbar-synovial-cyst-with-chronic-viral-hepatitis-a-case-series-and-literature-review
#6
Sang Yoon Lee, Sohyun Kwon, Sun G Chung, Don-Kyu Kim, Shi-Uk Lee, Keewon Kim
Cystic dilatation of synovial sheath, one of the targets of extra-hepatic manifestations associated with liver disease, is a main pathologic finding of lumbar synovial cyst (LSC). However, LSCs are not well documented in correlation with chronic viral hepatitis. In this case series, three patients with chronic viral hepatitis presented with radiating pain in the unilateral lower extremities. On magnetic resonance imaging of the lumbar spine, all had unilateral LSCs at the facet joint of the lumbar spine. Two did not have definite spinal instability at the LSC level...
April 30, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29715577/are-older-patients-with-solitary-spinal-metastases-fit-for-total-en-bloc-surgery
#7
Peng Liu, Libo Jiang, Yun Liang, Houlei Wang, Hao Zhou, Xilei Li, Hong Lin, Xiaogang Zhou, Jian Dong
OBJECTIVE: Due to radical resection, total en-bloc spondylectomy (TES) is associated with significant levels of surgical injury and spinal instability, particularly in elderly patients with solitary spinal metastases (SM), whether the possible benefits outweigh the risk requires intense consideration. Our aim was to compare and analyze the impact of age on patient prognosis. PATIENTS AND METHODS: This study investigated TES in 78 consecutive patients with solitary SM, who were divided into Group A (>65 years, n = 32) and group B (<60 years of age, n = 46)...
April 3, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29713407/the-incidence-of-adjacent-segment-degeneration-after-the-use-of-a-versatile-dynamic-hybrid-stabilization-device-in-lumbar-stenosis-results-of-a-5-8-year-follow-up
#8
Mauro Dobran, Davide Nasi, Domenico Paolo Esposito, Maurizio Gladi, Massimo Scerrati, Maurizio Iacoangeli
Study Design: Retrospective study with long-term follow-up. Purpose: To evaluate the long-term incidence of adjacent segment degeneration (ASD) and clinical outcomes in a consecutive series of patients who underwent spinal decompression associated with dynamic or hybrid stabilization with a Flex+TM stabilization system (SpineVision, Antony, France) for lumbar spinal stenosis. Overview of Literature: The incidence of ASD and clinical outcomes following dynamic or hybrid stabilization with the Flex+TM system used for lumbar spinal stenosis have not been well investigated...
April 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/29706086/management-of-extranodal-lymphoma-of-the-spine-a-study-of-30-patients
#9
Shamsudini Hashi, Courtney Rory Goodwin, Ali Karim Ahmed, Daniel M Sciubba
Extranodal lymphoma of the spine is often a late manifestation of systemic disease, and may result in symptoms of pain, neurologic compromise or spinal instability. Symptomatic relief is generally achieved by radiotherapy alone, but is not sufficient in addressing spinal instability. The indications for surgery remain controversial, but may be required for spinal stabilization, or refractory disease. Currently, there is a lack of studies that compare the indications and clinical outcomes of patients receiving surgical and nonsurgical management of spinal extranodal lymphoma...
April 30, 2018: CNS Oncology
https://www.readbyqxmd.com/read/29704173/infection-following-percutaneous-vertebral-augmentation-with-polymethylmethacrylate
#10
Jae-Woo Park, Sang-Min Park, Hui Jong Lee, Choon-Ki Lee, Bong-Soon Chang, Hyoungmin Kim
Although the incidence of infection following vertebroplasty or kyphoplasty is rare, postoperative infection and cement augmentation in preexistent spondylitis can cause life-threatening complications in frail patients with notable comorbidities. In such cases, urgent culture and biopsy and the long-term use of proper antibiotics are necessary. PURPOSE: Infection following vertebral augmentation with polymethylmethacrylate (PMMA) is rare. We aimed to analyze 11 cases of pyogenic spondylitis and spondylodiscitis that occurred after vertebroplasty or kyphoplasty and to review similar cases in the literature...
April 27, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29703703/assessing-the-utility-of-the-spinal-instability-neoplastic-score-sins-to-predict-fracture-after-conventional-radiation-therapy-rt-for-spinal-metastases
#11
Diana D Shi, Lauren M Hertan, Tai Chung Lam, Sonia Skamene, John H Chi, Michael Groff, Charles H Cho, Marco L Ferrone, Mitchel Harris, Yu-Hui Chen, Tracy A Balboni
PURPOSE: Assessing the stability of spinal metastases is critical for making treatment decisions. The spinal instability neoplastic score (SINS) was developed by the Spine Oncology Study Group to categorize tumor-related lesions; however, data describing its utility in predicting fractures in patients with spinal metastases are limited. The purpose of this study is to assess the validity of SINS in predicting new or worsening fracture after radiation therapy (RT) to spine metastases. METHODS AND MATERIALS: This is a retrospective analysis of patients treated with conventional RT alone (median total dose, 30 Gy; range, 8-47 Gy; median number of fractions, 10; range, 1-25) for spinal metastasis at Dana-Farber/Brigham and Women's Cancer Center from 2006 to 2013...
February 13, 2018: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29699906/comparisons-of-direct-costs-outcomes-and-cost-utility-of-decompression-surgery-with-fusion-versus-decompression-alone-for-degenerative-lumbar-spondylolisthesis
#12
Mitsuru Yagi, Nobuyuki Fujita, Eijiro Okada, Osahiko Tsuji, Narihito Nagoshi, Takashi Tsuji, Masaya Nakamura, Morio Matsumoto, Kota Watanabe
BACKGROUND: Cost-utility analysis of surgery for degenerative lumber spondylolisthesis (DS) is essential for healthcare providers and patients to select appropriate treatment. The purpose of this study was to review the cost-utility of decompression alone versus decompression with fusion for DS. METHODS: A retrospective review of 99 consecutive patients who were treated for Meyerding grade 1 DS at two representative spine centers was performed. Patients with significant spinal instability were treated by decompression with fusion (F group, 40 patients); all others were treated by decompression surgery alone (D group, 59 patients)...
April 23, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29682016/neurological-outcome-following-surgical-treatment-of-spinal-metastases
#13
Abdelaal Abdelbaky, Hazem Eltahawy
Background: Spinal metastases lead to bony instability and spinal cord compression resulting in intractable pain and neurological deficits which affect ambulatory function and quality of life. The most appropriate treatment for spinal metastasis is still debated. Objective: The aim of this study is to evaluate clinical outcome, quality of life, complications, and survival after surgical treatment of spinal metastases. Methods: Retrospective review of patients with spinal metastases surgically treated at our facility between March 2008 and March 2013 was performed...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29679129/-operative-treatment-of-degenerative-diseases-of-the-lumbar-spine
#14
REVIEW
M Czabanka, C Thomé, F Ringel, B Meyer, S-O Eicker, V Rohde, M Stoffel, P Vajkoczy
BACKGROUND: Degenerative diseases of the lumbar spine and associated lower back pain represent a major epidemiological and health-related economic challenge. A distinction is made between specific and unspecific lower back pain. In specific lower back pain lumbar disc herniation and spinal canal stenosis with or without associated segment instability are among the most frequent pathologies. Diverse conservative and operative strategies for treatment of these diseases are available. OBJECTIVES: The aim of this article is to present an overview of current data and an evidence-based assessment of the possible forms of treatment...
April 20, 2018: Der Nervenarzt
https://www.readbyqxmd.com/read/29667139/spinal-navigation-for-minimally-invasive-thoracic-and-lumbosacral-spine-fixation-implications-for-radiation-exposure-operative-time-and-accuracy-of-pedicle-screw-placement
#15
T Tajsic, K Patel, R Farmer, R J Mannion, R A Trivedi
PURPOSE: Navigation is emerging as a useful adjunct in percutaneous, minimally invasive spinal surgery (MIS). The aim of this study was to compare C-Arm navigated, O-Arm navigated and conventional 2D-fluoroscopy assisted MIS thoracic and lumbosacral spine fixation techniques in terms of operating time, radiation exposure and accuracy of pedicle screw (PS) placement. METHODS: Retrospective observational study of 152 consecutive adults who underwent MIS fixations for spinal instability: 96 2D-fluoroscopy assisted, 39 3D-C-Arm navigated and 27 using O-Arm navigated...
April 17, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29664878/c2-translaminar-screw-fixation-in-children
#16
Brian W Yang, Michael P Glotzbecker, Michael Troy, Mark R Proctor, Michael T Hresko, Daniel J Hedequist
BACKGROUND: Axis (C2) screw fixation has been shown to be effective in treating disorders that necessitate cervical stabilization. Although translaminar C2 screws have demonstrated clinical efficacy in adults, this technique has not yet been thoroughly investigated in children. This study describes the indications, technique, and results of translaminar C2 screw fixation in a case series of pediatric cervical spine disorders. METHODS: We searched the orthopaedic database at our institution for patients who had undergone a cervical spinal fusion that encompassed C2 between 2007 and 2017...
April 16, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29662730/myelopathy-improvement-following-removal-of-cervical-sublaminar-wiring
#17
Hurtis J Tullos, Robert G Briggs, Andrew K Conner, Allison E Williams, John B Maxwell, Michael D Martin
Posterior cervical wiring has been used by spine surgeons in fixation procedures for patients with spinal instability. It is historically considered an effective method of treating cervical instability with a low risk of complications leading to neurological deterioration. We experienced a case of delayed neurological decline associated with myelopathy, lower extremity spasticity, and associated syringomyelia secondary to instrumentation failure and resultant sublaminar wire protrusion into the cervical spinal cord...
February 14, 2018: Curēus
https://www.readbyqxmd.com/read/29661205/comparison-between-minimally-invasive-spine-stabilization-with-and-without-posterior-decompression-for-the-management-of-spinal-metastases-a-retrospective-cohort-study
#18
Hiroshi Uei, Yasuaki Tokuhashi, Masafumi Maseda, Masahiro Nakahashi, Hirokatsu Sawada, Enshi Nakayama, Hirotoki Soma
BACKGROUND: Posterior decompression and stabilization plays significant roles in palliative surgery for metastatic spinal tumor. However, the indication for addition of posterior decompression have not been examined. The purpose of this study was to investigate a retrospective cohort of outcomes of metastatic spinal tumor treated with minimally invasive spine stabilization (MISt) with or without posterior decompression. METHODS: The subjects were 40 patients who underwent MISt using percutaneous pedicle screws for metastatic spinal tumor, including 20 patients treated with stabilization alone (group A) and 20 patients with added posterior decompression (group B)...
April 16, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29651626/current-topics-in-the-management-of-acute-traumatic-spinal-cord-injury
#19
Christopher D Shank, Beverly C Walters, Mark N Hadley
Acute traumatic spinal cord injury (SCI) affects more than 250,000 people in the USA, with approximately 17,000 new cases each year. It continues to be one of the most significant causes of trauma-related morbidity and mortality. Despite the introduction of primary injury prevention education and vehicle safety devices, such as airbags and passive restraint systems, traumatic SCI continues to have a substantial impact on the healthcare system. Over the last three decades, there have been considerable advancements in the management of patients with traumatic SCI...
April 12, 2018: Neurocritical Care
https://www.readbyqxmd.com/read/29651521/-spondylotic-cervical-myelopathy-indication-of-surgical-treatment
#20
REVIEW
W Pepke, H Almansour, M Richter, M Akbar
BACKGROUND: The pathogenesis of cervical spondylotic myelopathy (CSM) is often multifactorial. Hence, the treatment of this disease requires a differentiated surgical approach in order to adequately address the underlying pathology. PURPOSE: The aim of this review is to identify factors that influence the choice of treatment strategy and to summarize them in an algorithm that serves as a decision aid in choosing the optimal indication for surgical treatment. An attempt is made to define the threshold values for the indication of surgical treatment and to discuss the ideal timing for performing surgery...
April 12, 2018: Der Orthopäde
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