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https://www.readbyqxmd.com/read/28328563/patients-without-intraoperative-neuromonitoring-ionm-alerts-during-veptr-implantation-did-not-sustain-neurological-injury-during-subsequent-routine-expansions-a-retrospective-multicenter-cohort-study
#1
Jaren LaGreca, Tara Flynn, Patrick J Cahill, Amer Samdani, Michael G Vitale, Ron El-Hawary, John T Smith, Jonathan H Phillips, John M Flynn, Michael Glotzbecker, Sumeet Garg
BACKGROUND: The purpose of this study was to determine the rate of intraoperative neurological monitoring (IONM) alerts and neurological injury during vertical expandable prosthetic titanium rib (VEPTR) treatment and evaluate the utility of IONM during VEPTR expansion procedures in patients who have not previously had neurological injury or IONM alerts. METHODS: After institutional review board approval, VEPTR procedures and IONM records were reviewed at 17 institutions for patients treated with VEPTR from 2005 to 2011...
March 21, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28327138/accuracy-of-pedicle-screw-placement-in-patients-with-marfan-syndrome
#2
Jun Qiao, Feng Zhu, Leilei Xu, Zhen Liu, Xu Sun, Bangping Qian, Qing Jiang, Zezhang Zhu, Yong Qiu
BACKGROUND: There is no study concerning safety and accuracy of pedicle screw placement in Marfan syndrome. The objective of this study is to investigate accuracy and safety of pedicle screw placement in scoliosis associated with Marfan syndrome. METHODS: CT scanning was performed to analyze accuracy of pedicle screw placement. Pedicle perforations were classified as medial, lateral or anterior and categorized to four grades: ≤ 2 mm as Grade 1, 2.1-4.0 mm as Grade 2, 4...
March 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28323239/biomechanical-analysis-of-lateral-interbody-fusion-strategies-for-adjacent-segment-degeneration-in-the-lumbar-spine
#3
Melodie F Metzger, Samuel T Robinson, Ruben C Maldonado, Jeremy Rawlinson, John Liu, Frank L Acosta
BACKGROUND CONTEXT: Surgical treatment of symptomatic adjacent segment disease (ASD) typically involves extension of previous instrumentation to include the newly-affected level(s). Disruption of the incision-site can present challenges and increases the risk of complication. Lateral-based interbody fusion techniques may provide a viable surgical alternative that avoids these risks. This study is the first to analyze the biomechanical effect of adding a lateral-based construct to an existing fusion...
March 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28285031/evolution-and-complications-after-surgery-for-spine-deformation-in-patients-with-parkinson-s-disease
#4
Bouyer Benjamin, Scemama Caroline, P Roussouly, F Laouissat, I Obeid, L Boissière, F-H Parent, S Schuller, J-P Steib, H Pascal-Moussellard, P Guigui, Wolff Stéphane, Riouallon Guillaume
INTRODUCTION: Surgical treatment of spinal deformity is high risk in patients suffering from Parkinson's disease (PD). Several series have already reported a high rate of complications. However, none of these studies included more than 40 patients and none of the risk factors of complications were described. The aim of this study was to describe the rate and risk factors of revision surgery as well as the clinical outcome at the last visit in a large multicenter study of PD patients operated for spinal deformities...
March 8, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28282990/validation-and-accuracy-of-intraoperative-ct-scan-using-the-philips-alluraxper-fd20-angiography-suite-for-assessment-of-spinal-instrumentation
#5
Edin Nevzati, Javier Fandino, Bawarjan Schatlo, Michel Heimberg, Serge Marbacher, Luca Remonda, Ali-Reza Fathi
BACKGROUND: With the concept of the hybrid operating room gaining popularity, the authors adapted a hybrid angiographic suite with intraoperative computed tomography (iCT) to evaluate accuracy of pedicle screw placement in spinal fusion. This retrospective review examines how well iCT detected extrapedicular screw violation, to then allow repositioning and potentially avoid revision surgery. METHODS: A total of 36 consecutive patients underwent pedicle screw placement in posterior cervical, thoracic, and lumbosacral spinal fusions...
March 10, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28276193/assessment-of-corrosion-in-retrieved-spine-implants
#6
V C Panagiotopoulou, H S Hothi, H A Anwar, S Molloy, H Noordeen, K Rezajooi, J Sutcliffe, J A Skinner, A J Hart
Recently the use of dissimilar metals in spine instrumentation has increased, especially in the case of adult deformities, where rods made from Cobalt Chrome alloys (CoCr) are used with Titanium (Ti) screws. The use of dissimilar metals increases the risk of galvanic corrosion and patients have required revision spine surgery due to severe metallosis that may have been caused by corrosion. We aimed to assess the presence of corrosion in spine implant retrievals from constructs with two types of material combinations: similar (Ti/Ti) and dissimilar (CoCr/Ti)...
March 9, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28272237/risk-factors-for-dysphagia-after-anterior-cervical-spine-surgery-a-meta-analysis
#7
Feng-Yu Liu, Da-Long Yang, Wen-Zheng Huang, Li-Shuang Huo, Lei Ma, Hui Wang, Si-Dong Yang, Wen-Yuan Ding
BACKGROUND: Dysphagia is a well-known complication following anterior cervical spine surgery. Although risk factors for dysphagia have been reported in the literature, they still remain controversial. This study aims to investigate the risk factors associated with dysphagia following anterior cervical spinal surgery. METHODS: PubMed, EMBASE, and The Cochrane Library were searched up to June 2016 for studies examining dysphagia following anterior cervical spinal surgery...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28266958/vancomycin-powder-regimen-for-prevention-of-surgical-site-infection-in-complex-spine-surgeries
#8
Michael Van Hal, Joon Lee, Dann Laudermilch, Chinedu Nwasike, James Kang
STUDY DESIGN: In total, 496 patients of a single surgeon cohort examining the surgical-site infection (SSI) rates with the addition of vancomycin powder in both diabetic and revision spine surgery cases. A historical control group of 652 patients were compared from the same surgeon over an earlier time period before the inception of using vancomycin powder prophylaxis. OBJECTIVE: The objective of this study was to describe and compare the rates of infection in high-risk patient populations while using vancomycin powder...
March 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28264589/minimally-invasive-spinal-surgery-for-the-management-of-symptomatic-spinal-metastasis
#9
Abdulkader Hamad, Leonidas Vachtsevanos, Andrew Cattell, Matthew Ockendon, Birender Balain
INTRODUCTION: Symptomatic metastatic spinal disease is on the increase. Minimally invasive spinal surgery has been associated with a lower complication profile when compared to traditional open methods; however there is paucity of literature evaluating the place of percutaneous pedicle screw fixation (PPSF) in the management of spinal metastases. The purpose of the study is to assess the efficacy of Minimally Invasive Spine Surgery (MISS) using PPSF with or without mini-decompression in the management of symptomatic spinal metastases...
March 6, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28251880/choosing-wisely-canada%C3%A2-five-tests-procedures-and-treatments-to-question-in-emergency-medicine
#10
Amy H Y Cheng, Sam Campbell, Lucas B Chartier, Tom Goddard, Kirk Magee, Jill McEwen, Atul K Kapur, Brian R Holroyd, Suneel Upadhye, Stephanie Couperthwaite, Brian H Rowe
OBJECTIVES: Choosing Wisely Canada (CWC) is an initiative to encourage patient-physician discussions about the appropriate, evidence based use of medical tests, procedures and treatments. We present the Canadian Association of Emergency Physicians' (CAEP) top five list of recommendations, and the process undertaken to generate them. METHODS: The CAEP Expert Working Group (EWG) generated a candidate list of 52 tests, procedures, and treatments in emergency medicine whose value to care was questioned...
March 2, 2017: CJEM
https://www.readbyqxmd.com/read/28225365/magnitude-location-and-factors-related-to-regional-and-global-sagittal-alignment-change-in-long-adult-deformity-constructs-report-of-183-patients-with-2-year-follow-up
#11
Alexander A Theologis, Michael Safaee, Justin K Scheer, Virginie Lafage, Rick Hostin, Robert A Hart, Eric O Klineberg, Themistocles S Protopsaltis, Vedat Deviren, Douglas C Burton, Daniel M Sciubba, Khaled Kebaish, Shay Bess, Christopher I Shaffrey, Frank Schwab, Justin S Smith, Christopher P Ames
STUDY DESIGN: This is a retrospective review of a prospective multicenter adult spinal deformity (ASD) database. OBJECTIVE: To quantify the location and magnitude of sagittal alignment changes within instrumented and noninstrumented spinal segments and to investigate the factors associated with these changes after surgery for ASD. SUMMARY OF BACKGROUND DATA: Spinal realignment is one of the major goals in ASD surgery and changes in the alignment are common following surgical correction...
February 20, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28224297/fracture-reduction-by-postoperative-mobilisation-for-the-treatment-of-hyperextension-injuries-of-the-thoracolumbar-spine-in-patients-with-ankylosing-spinal-disorders
#12
Richard A Lindtner, Christian Kammerlander, Michael Goetzen, Alexander Keiler, Davud Malekzadeh, Dietmar Krappinger, Rene Schmid
INTRODUCTION: The aim of this study was to evaluate results of surgical stabilisation of hyperextension injuries of the thoracolumbar spine in patients with ankylosing spinal disorders using two different treatment strategies: the conventional open rigid posterior instrumentation and percutaneous less rigid posterior instrumentation. Surgical and non-surgical complications, the postoperative radiological course, and clinical outcome at final follow-up were comparatively assessed. Moreover, we sought to discuss important biomechanical and surgical aspects specific to posterior instrumentation of the ankylosed thoracolumbar spine as well as to elaborate on the advantages and limitations of the proposed new treatment strategy involving percutaneous less rigid stabilisation and fracture reduction by postoperative mobilisation...
February 21, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28213193/anterior-surgical-fixation-for-cervical-spine-flexion-distraction-injuries
#13
Andrew Jack, Godefroy Hardy-St-Pierre, Mitchell Wilson, Godwin Choy, Richard Fox, Andrew Nataraj
BACKGROUND: Optimal surgical management for flexion-distraction cervical spine injuries remains controversial with current guidelines recommending anterior, posterior, and circumferential approaches. Here, we determined the incidence of and examined risk factors for clinical and radiographic failure in patients with one segment cervical distraction injuries having undergone anterior surgical fixation. METHODS: A retrospective review of 57 consecutive patients undergoing anterior fixation for subaxial flexion-distraction cervical injuries between 2008-2012 at our institution was performed...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28207665/healthy-physical-activity-levels-below-recommended-thresholds-two-years-after-lumbar-spine-surgery
#14
Carol A Mancuso, Roland Duculan, Federico P Girardi
STUDY DESIGN: Prospective analysis. OBJECTIVE: To quantify physical activity after lumbar surgery and identify spine-related variables associated with not meeting recommended activity thresholds. SUMMARY OF BACKGROUND DATA: National guidelines recommend ≥150 minutes/week of moderate-intensity activity; however, only 52% of the general population meets this threshold. For patients not participating in exercise/sports, ≥1400 kcal/week of energy expenditure, including from walking, is another threshold...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28187642/a-revision-of-the-genus-i-lepidobrya-i-womersley-collembola-entomobryidae-based-on-morphology-and-sequence-data-of-the-genotype
#15
Feng Zhang, Penelope Greenslade, Mark I Stevens
The genus Lepidobrya Womersley, previously placed in Willowsiini, is re-diagnosed based on a redescription of the type species L. mawsoni (Tillyard) and its DNA barcode. Specimens possess narrow, pointed scales on the dens, two inner teeth on unguis, a truncate unguiculus with an outer tooth, a bidentate mucro with a basal spine and ordinary tergal S-chaetae 2, 2|1, 2, 2, ?, 3, so belongs to the Entomobryinae. Its systematic position and relationships to other scaled Entomobryinae genera are discussed and comments are made on the distribution of the genus as well as on ecology...
January 20, 2017: Zootaxa
https://www.readbyqxmd.com/read/28182821/intrawound-vancomycin-powder-reduces-early-prosthetic-joint-infections-in-revision-hip-and-knee-arthroplasty
#16
Jeffrey E Otte, Joel R Politi, Bryan Chambers, Craig A Smith
Intrawound vancomycin powder has shown efficacy and safety in decreasing postoperative spine infections, but its use in arthroplasty has not been well established. The purpose of this study was to compare the rate of early prosthetic joint infections (PJI) with and without the use of intrawound vancomycin powder during joint arthroplasty. A retrospective cohort of all patients who underwent primary or revision hip or knee arthroplasty by two surgeons over a two-year period at a single hospital system was evaluated...
February 7, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28180150/endoscopic-treatment-of-leak-at-the-tip-of-the-j-ileal-pouch
#17
Gursimran Singh Kochhar, Bo Shen
Background and study aims The tip of the "J" of the ileal pouch is the vulnerable location for leak after restorative proctocolectomy, which has normally been treated with surgery. We aimed to describe a novel endoscopic method to treat the same. Patients and methods A cohort of 12 consecutive patients with a leak at the tip of the "J" was identified in our prospectively maintained Pouch Registry. The endoscopic over-the-scope clipping (OTSC) system was used for the closure of the leak. Results Eight patients (66...
January 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28162204/-evidence-based-clinical-practice-guidelines-for-the-treatment-of-dural-tears-and-the-consequent-cerebrospinal-fluid-leak-during-spine-surgery
#18
(no author information available yet)
Dural tears (DT) and the consequent cerebral spinal fluid (CSF) leak are not rare in spine surgeries. CSF leak can be troublesome, leading to pseudomeningocele, cutaneous CSF fistula, and meningitis. Revision surgery is unavoidable in some cases. The reported incidences of DT and CSF leak are different according to the various pathologies. Ossification of the posterior longitudinal ligament, revision spine surgery and multi-segment laminectomy have higher risks for DT. Various techniques have been described to manage this complication, such as bed rest, repair with dural substitutes, fibrin glue, gelatin sponge, lumbar drain, muscle flap, etc...
February 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28160064/minimally-invasive-transforaminal-lumbar-interbody-fusion-versus-open-transforaminal-lumbar-interbody-fusion-a-technical-description-and-review-of-the-literature
#19
Martin Vazan, Jens Gempt, Bernhard Meyer, Niels Buchmann, Yu- Mi Ryang
BACKGROUND: Minimally invasive spine surgery (MISS) has been increasingly advocated during the last decade with new studies being reported every year. Minimally invasive spine procedures, such as minimally invasive transforaminal interbody fusion (MI-TLIF), have been introduced to reduce approach-related muscle trauma, to minimise blood loss, and to achieve faster wound healing, quicker ambulation and earlier patient discharge. METHODS: The aim of this article was to give a comprehensive review of the available English literature comparing open TLIF with MI-TLIF techniques published or available online between 1990 and 2014 as identified by an electronic database search on http://www...
February 3, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28155820/analysis-of-reasons-for-failure-of-surgery-for-degenerative-disease-of-lumbar-spine
#20
Alicja Baranowska, Joanna Baranowska, Paweł Baranowski
BACKGROUND: In the aging society, there is a growing number of patients with advanced degenerative disease of the spine. These patients frequently require surgical treatment. This paper aims to analyse the reasons for failure of surgery for degenerative disease of the lumbar spine. MATERIAL AND METHODS: Histories of patients operated on by one group of surgeons in the Neuroorthopaedic Department of "STOCER" in 2014 and 2015 due to degenerative disease of the lumbar spine were analysed retrospectively...
March 23, 2016: Ortopedia, Traumatologia, Rehabilitacja
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