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https://www.readbyqxmd.com/read/29033574/surgical-site-infections-following-instrumented-stabilization-of-the-spine
#1
Ulrike Dapunt, Caroline Bürkle, Frank Günther, Wojciech Pepke, Stefan Hemmer, Michael Akbar
BACKGROUND: Implant-associated infections are still a feared complication in the field of orthopedics. Bacteria attach to the implant surface and form so-called biofilm colonies that are often difficult to diagnose and treat. Since the majority of studies focus on prosthetic joint infections (PJIs) of the hip and knee, current treatment options (eg, antibiotic prophylaxis) of implant-associated infections have mostly been adapted according to these results. OBJECTIVE: The aim of this study was to evaluate patients with surgical site infections following instrumented stabilization of the spine with regard to detected bacteria species and the course of the disease...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29029213/recovery-kinetics-of-radiographic-and-implant-related-revision-patients-following-adult-spinal-deformity-surgery
#2
Peter G Passias, Cyrus M Jalai, Virginie Lafage, Gregory W Poorman, Shaleen Vira, Samantha R Horn, Justin K Scheer, D Kojo Hamilton, Breton G Line, Shay Bess, Frank J Schwab, Christopher P Ames, Douglas C Burton, Robert A Hart, Eric O Klineberg
BACKGROUND: Prior studies have observed similar health-related quality of life (HRQL) in revisions and nonrevision (NR) patients following adult spinal deformity (ASD) correction. However, a novel comparison approach may allow better comparisons in spine outcomes groups. OBJECTIVE: To determine if ASD revisions for radiographic and implant-related complications undergo a different recovery than NR patients. METHODS: Inclusion: ASD patients with complete HRQL (Oswestry Disability Index, Short-Form-36 version 2 (SF-36), Scoliosis Research Society [SRS]-22) at baseline, 6 wk, 1 yr, 2 yr...
October 6, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28960819/circumferential-reconstruction-of-subaxial-cervical-and-cervicothoracic-spine-by-simultaneously-combined-anterior-posterior-approaches-in-the-sitting-position
#3
Yue Han, Xin-Long Ma, Yong-Cheng Hu, Jun Miao, Ji-Dong Zhang, Jian-Qiang Bai, Qun Xia
OBJECTIVE: To introduce and analyze the feasibility of a new surgical strategy for circumferential reconstruction of subaxial cervical and cervicothoracic spine by simultaneously combined anterior-posterior approach in the sitting position. METHODS: A retrospective review was performed for seven patients who underwent the above surgical procedure between July 2011 and January 2015. Among the seven patients, there were six men and one woman, with an average age of 52 years (range, 36-79 years)...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28902760/common-ice-hockey-injuries-and-treatment-a-current-concepts-review
#4
William Mosenthal, Michael Kim, Robert Holzshu, Bryan Hanypsiak, Aravind Athiviraham
Injuries are common in ice hockey, a contact sport where players skate at high speeds on a sheet of ice and shoot a vulcanized rubber puck in excess of one hundred miles per hour. This article reviews the diagnoses and treatment of concussions, injuries to the cervical spine, and lower and upper extremities as they pertain to hockey players. Soft tissue injury of the shoulder, acromioclavicular joint separation, glenohumeral joint dislocation, clavicle fractures, metacarpal fractures, and olecranon bursitis are discussed in the upper-extremity section of the article...
September 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28870432/the-pseudo-ct-myelogram-sign-an-aid-to-the-diagnosis-of-underlying-brain-stem-and-spinal-cord-trauma-in-the-presence-of-major-craniocervical-region-injury-on-post-mortem-ct
#5
F Bolster, Z Ali, B Daly
AIM: To document the detection of underlying low-attenuation spinal cord or brain stem injuries in the presence of the "pseudo-CT myelogram sign" (PCMS) on post-mortem computed tomography (PMCT). MATERIALS AND METHODS: The PCMS was identified on PMCT in 20 decedents (11 male, nine female; age 3-83 years, mean age 35.3 years) following fatal blunt trauma at a single forensic centre. Osseous and ligamentous craniocervical region injuries and brain stem or spinal cord trauma detectable on PMCT were recorded...
September 1, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28869116/teriparatide-administration-increases-periprosthetic-bone-mineral-density-after-total-knee-arthroplasty-a-prospective-study
#6
Tatsuya Suzuki, Fumio Sukezaki, Takashi Shibuki, Yoichi Toyoshima, Takashi Nagai, Katsunori Inagaki
BACKGROUND: Teriparatide is a currently available therapeutic agent for osteoporosis. Previous studies have reported that teriparatide affects periprosthetic bone mineral density (BMD) after total knee arthroplasty (TKA). However, little agreement has been reached concerning the treatment of periprosthetic BMD after TKA with teriparatide. Moreover, BMD in the femoral and tibial sides of the joints together has never been examined. We investigated the efficacy of teriparatide to inhibit BMD loss in the femoral and tibial side and considered complications such as migration and periprosthetic fractures after TKA...
July 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28842231/evaluation-of-correction-of-radiological-parameters-angulation-and-displacement-and-accuracy-of-c2-pedicle-screw-placement-in-unstable-hangman-s-fracture-with-intraoperative-ct-based-navigation
#7
Pankaj Kumar Singh
BACKGROUND: Opinions vary regarding optimal treatment of unstable hangman's fractures including rigid orthosis and internal fixation. The anatomy of upper cervical spine is complex. The advent of intraoperative 3-dimensional navigation systems facilitate safe and accurate instrumentation. OBJECTIVE: To evaluate radiological parameters of fracture morphology in unstable hangman's fracture in preoperative and post-operative period and accuracy of inserting axis pedicle screws by using intraoperative CT based navigation...
August 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803621/blunt-cervical-spine-injury-in-adult-polytrauma-incidence-injury-patterns-and-predictors-of-significant-ligament-injury-on-ct
#8
G Chilvers, U Janjua, S Choudhary
AIM: To describe the pattern of cervical spine fractures in adult major trauma and identify computed tomography (CT) parameters that can predict significant ligament injury when fractures are absent; to define the normal range for parameters used; and identify common variations due to position of cervical immobilisation in a trauma patient. MATERIALS AND METHODS: In this retrospective study all polytrauma patients imaged using multidetector CT over a period of 5 years were identified...
November 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28738168/role-of-age-and-injury-mechanism-on-cervical-spine-injury-tolerance-from-head-contact-loading
#9
Narayan Yoganandan, Sajal Chirvi, Liming Voo, Frank A Pintar, Anjishnu Banerjee
OBJECTIVE: The objective of this study was to determine the influence of age and injury mechanism on cervical spine tolerance to injury from head contact loading using survival analysis. METHODS: This study analyzed data from previously conducted experiments using post mortem human subjects (PMHS). Group A tests used the upright intact head-cervical column experimental model. The inferior end of the specimen was fixed, the head was balanced by a mechanical system, and natural lordosis was removed...
July 24, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28728587/minimally-invasive-unilateral-pedicle-screws-and-a-translaminar-facet-screw-fixation-and-interbody-fusion-for-treatment-of-single-segment-lower-lumbar-vertebral-disease-surgical-technique-and-preliminary-clinical-results
#10
Peng Huang, Yiguo Wang, Jiao Xu, Bo Xiao, Jianheng Liu, Luyang Che, Keya Mao
BACKGROUND: Conventional open transforaminal lumbar interbody fusion (TLIF) using unilateral pedicle screws and a translaminar facet screw has been performed for many years with good results. The outcomes of minimally invasive TLIF (MIS TLIF) are similar to the good outcomes of open TLIF, with the additional benefits of reducing iatrogenic injury, shortening hospital stays, and reducing the recovery duration. Instead of using small cuts on both sides, we performed MIS TLIF through a single cut using unilateral pedicle screws and a translaminar facet screw...
July 20, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28728206/-subaxial-cervical-spine-injuries-treatment-recommendations-of-the-german-orthopedic-and-trauma-society
#11
Philipp Schleicher, Matti Scholz, Frank Kandziora, Andreas Badke, Florian Hans Brakopp, Helmut Klaus Friedrich Ekkerlein, Erol Gercek, Rene Hartensuer, Philipp Hartung, Jan-Sven Gilbert Jarvers, Philipp Kobbe, Stefan Matschke, Robert Morrison, Christian W Müller, Miguel Pishnamaz, Maximilian Reinhold, Klaus John Schnake, Gregor Schmeiser, Gregor Stein, Bernhard Ullrich, Thomas Weiß, Volker Zimmermann
In a consensus process during four sessions in 2016, the working group "lower cervical spine" of the German Society for Orthopedic and Trauma Surgery (DGOU), formulated "Therapeutic Recommendations for the Lower Cervical Spine", taking into consideration the current literature. Therapeutic goals are a permanently stable, painless cervical spine and the protection against secondary neurologic damage while retaining the greatest possible amount of motion and spinal profile. Due to its ease of use and its proven good reliability, the AOSpine classification for subaxial cervical injuries should be used...
July 20, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28684193/treatment-with-neridronate-in-children-and-adolescents-with-osteogenesis-imperfecta-data-from-open-label-not-controlled-three-year-italian-study
#12
L Idolazzi, A Fassio, O Viapiana, M Rossini, G Adami, F Bertoldo, F Antoniazzi, D Gatti
INTRODUCTION: The present study assessed the long-term efficacy and safety of intravenous (i.v.) neridronate in children and adolescents affected by osteogenesis imperfecta (OI). METHODS: 55 young patients (mean age 12.6±3.9years) affected by OI were included in the study. Neridronate was administered by i.v. infusion at a dose of 2mg/kg (maximum dose of 100mg) at intervals of three-months for three years. Dual X-ray absorptiometry of the lumbar spine, hip and ultradistal and proximal radius were evaluated every 6months...
July 3, 2017: Bone
https://www.readbyqxmd.com/read/28673824/incorporating-ligament-laxity-in-a-finite-element-model-for-the-upper-cervical-spine
#13
Timothy L Lasswell, Duane S Cronin, John B Medley, Parham Rasoulinejad
BACKGROUND CONTEXT: Predicting physiological range of motion (ROM) using a finite element (FE) model of the upper cervical spine requires the incorporation of ligament laxity. The effect of ligament laxity can only be observed on a macro level of joint motion and is lost once ligaments have been dissected and preconditioned for experimental testing. As a result, although ligament laxity values are recognized to exist, specific values are not directly available in the literature for use in FE models...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28658125/anterior-cervical-distraction-and-screw-elevating-pulling-reduction-for-traumatic-cervical-spine-fractures-and-dislocations-a-retrospective-analysis-of-86-cases
#14
Haoxi Li, Zhiyao Yong, Zhaoxiong Chen, Yufeng Huang, Zhoudan Lin, Desheng Wu
Treatment of cervical fracture and dislocation by improving the anterior cervical technique.Anterior cervical approach has been extensively used in treating cervical spine fractures and dislocations. However, when this approach is used in the treatment of locked facet joints, an unsatisfactory intraoperative reduction and prying reduction increases the risk of secondary spinal cord injury. Thus, herein, the cervical anterior approach was improved. With distractor and screw elevation therapy during surgery, the restoration rate is increased, and secondary injury to the spinal cord is avoided...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28647803/chronic-joint-pain-and-handgrip-strength-correlates-with-osteoporosis-in-mid-life-women-a-singaporean-cohort
#15
S Logan, W P P Thu, W K Lay, L Y Wang, J A Cauley, E L Yong
This study aimed to identify novel correlates which may relate to low bone mass at lumbar spine in mid-life Asian women. The possibility of developing a prediction model for osteoporosis (OP) was explored which resulted in a risk assessment tool that performed better than currently available tools. INTRODUCTION: In order to identify novel correlates associated with low spinal bone mineral density (BMD) in mid-life women, we examined a large number of lifestyle and medical and performance measurements and developed a prediction model for triage to BMD scanning...
June 24, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28631069/-s2-ala-iliac-screws-for-extended-pelvic-fixation-in-longer-lumbar-instrumentations-description-of-a-freehand-technique
#16
REVIEW
F Lattig, S Weckbach
OBJECTIVE: To reduce the rate of implant failures at the lumbosacral junction in polysegmental lumbar fusions. INDICATIONS: Spinal fusion with deformity correction including L5/S1, revision surgery for pseudoarthrosis L5/S1, screw pull-out and pedicle fractures in S1, and S1/S2 fractures after polysegmental fusions. CONTRAINDICATIONS: Osteosynthesis of complex pelvic ring fractures, tumors of the ilium. Relative contraindication: infection, to avoid contamination of the iliosacral joint...
August 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28622186/a-90-day-bundled-payment-for-primary-single-level-lumbar-discectomy-decompression-what-does-big-data-say
#17
Nikhil Jain, Sohrab S Virk, Frank M Phillips, Elizabeth Yu, Safdar N Khan
Episode-based bundling may become the major form of reimbursement for many elective spine procedures. As the amount for a 90-day episode of care is not known for a lumbar discectomy, we analyzed the previous reimbursements from Commercial payers (2007-Q2 2015), Medicare Advantage (2007-Q2 2015), and Medicare (2005-2012) for a primary single-level lumbar discectomy/decompression. Distribution of payments among various service providers was studied and a 90-day bundle was simulated. Depending on the payer type, the average facility costs constituted 59...
June 15, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28619021/treatment-of-thoracolumbar-burst-fractures-by-short-segment-pedicle-screw-fixation-using-a-combination-of-two-additional-pedicle-screws-and-vertebroplasty-at-the-level-of-the-fracture-a-finite-element-analysis
#18
Jen-Chung Liao, Weng-Pin Chen, Hao Wang
BACKGROUND: Traditional one-above and one-below four-screw posterior short-segment instrumentation is used for unstable thoracolumbar burst fractures. However, this method has a high rate of implant failure and early loss of reduction. The purpose of this study was to use finite element (FE) analysis to determine the effect of treating thoracolumbar burst fractures by short-segment pedicle screw fixation using a combination of two additional pedicle screws and vertebroplasty at the level of the fracture...
June 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28618337/biomechanical-study-of-different-fixation-techniques-for-the-treatment-of-sacroiliac-joint-injuries-using-finite-element-analyses-and-biomechanical-tests
#19
Chian-Her Lee, Ching-Chi Hsu, Po-Yuang Huang
The pelvis is one of the most stressed areas of the human musculoskeletal system due to the transfer of truncal loads to the lower extremities. Sacroiliac joint injury may lead to abnormal joint mechanics and an unstable pelvis. Various fixation techniques have been evaluated and discussed. However, it may be difficult to investigate each technique due to variations in bone quality, bone anatomy, fracture pattern, and fixation location. Additionally, the finite element method is one useful technology that avoids these variations...
August 1, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28607823/traumatic-spondyloptosis-of-the-cervical-spine-a-case-report-and-discussion-of-worldwide-treatment-trends
#20
Kelly E Wong, Peter S Chang, Mark S Monasky, Rodney M Samuelson
BACKGROUND: Cervical spondyloptosis is defined as the dislocation of the spinal column most often caused by trauma. Due to compression or transection of the spinal cord, severe neurological deficits are common. Here, we review the literature and report a case of traumatic C5-6 spondyloptosis that was successfully treated using an anterior-only surgical approach. METHODS: The patient presented with quadriplegia and absent sensation distal to the C5 dermatome following a rollover motor vehicle accident...
2017: Surgical Neurology International
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