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Spine Journal: Official Journal of the North American Spine Society

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https://www.readbyqxmd.com/read/28625479/the-change-of-adjacent-segment-after-cervical-disc-arthroplasty-compared-with-anterior-cervical-discectomy-and-fusion-a-meta-analysis-of-randomized-controlled-trials
#1
REVIEW
Liang Dong, Zhengwei Xu, Xiujin Chen, Dongqi Wang, Dichen Li, Tuanjing Liu, Dingjun Hao
BACKGROUD CONTEXT: Many meta-analyses have been performed to study the efficacy of cervical disc arthroplasty (CDA) compared with anterior cervical discectomy and fusion (ACDF); however, there are few data referring to adjacent segment within these meta-analyses, or investigators are unable to arrive at the same conclusion in the few meta-analyses about adjacent segment. With the increased concerns surrounding adjacent segment degeneration (ASDeg) and adjacent segment disease (ASDis) after anterior cervical surgery, it is necessary to perform a comprehensive meta-analysis to analyze adjacent segment parameters...
June 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28627415/examination-to-assess-the-clinical-exam-and-documentation-of-spine-pathology-among-orthopaedic-residents
#2
Jack M Haglin, John L Zeller, Kenneth A Egol, Donna P Phillips
BACKGROUND: The Accreditation Council of Graduate Medical Education (ACGME) guidelines require residency programs to teach and evaluate residents in six overarching "core competencies" and document progress through educational milestones. In order to assess the progress of orthopaedic interns' skills in performing a history, physical exam, and documentation of the encounter for a standardized patient with spinal stenosis, a Structured Objective Clinical Examination (OSCE) was conducted for 13 orthopaedic intern residents, following a one month boot camp that included communications skills and curriculum in history and physical examination...
June 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28619687/use-of-the-central-sensitization-inventory-csi-as-a-treatment-outcome-measure-for-chronic-spinal-pain-disorder-patients-in-a-functional-restoration-program
#3
Randy Neblett, Meredith M Hartzell, Mark Williams, Kelley R Bevers, Tom G Mayer, Robert J Gatchel
BACKGROUND CONTEXT: The Central Sensitization Inventory (CSI) is a valid and reliable patient-reported instrument designed to identify patients whose presenting symptoms may be related to Central Sensitization (CS). Part A of the CSI measures a full array of 25 somatic and emotional symptoms associated with CS, and Part B asks if patients have previously been diagnosed with one or more specific Central Sensitivity Syndromes (CSSs) and related disorders. The CSI has previously been validated in a group of chronic pain patients who were screened by a trained psychiatrist for specific CSS diagnoses...
June 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28619686/low-dose-bmp-2-is-sufficient-to-enhance-the-bone-formation-induced-by-an-injectable-plga-fiber-reinforced-brushite-forming-cement-in-a-sheep-defect-model-of-lumbar-osteopenia
#4
Francesca Gunnella, Elke Kunisch, Matthias Bungartz, Stefan Maenz, Victoria Horbert, Long Xin, Joerg Mika, Juliane Borowski, Sabine Bischoff, Harald Schubert, Peter Hortschansky, Andre Sachse, Bernhard Illerhaus, Jens Günster, Jörg Bossert, Klaus D Jandt, Frank Plöger, Raimund W Kinne, Olaf Brinkmann
BACKGROUND CONTEXT: Bioresorbable calcium phosphate cement (CPC) may be suitable for vertebroplasty/kyphoplasty of osteoporotic vertebral fractures. However, additional targeted delivery of osteoinductive bone morphogenetic proteins (BMPs) in the CPC may be required to counteract the augmented local bone catabolism and support complete bone regeneration. PURPOSE: The study aimed at testing an injectable, poly (l-lactide-co-glycolide) acid (PLGA)-fiber reinforced, brushite-forming cement (CPC) containing low-dose bone morphogenetic protein BMP-2 in a sheep lumbar osteopenia model...
June 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28606606/potential-risks-of-using-cement-augmented-screws-for-spinal-fusion-in-patients-with-low-bone-quality
#5
M Martín-Fernández, A López-Herrradón, A R Piñera, F Tomé-Bermejo, J M Duart, M D Vlad, M G Rodríguez-Arguisjuela, L Álvarez-Galovich
BACKGROUND CONTEXT: Dramatic increases in the average life expectancy have led to increases in the variety of degenerative changes and deformities observed in the aging spine. The elderly population can present challenges for spine surgeons, not only because of increased comorbidities, but also because of the quality of their bones. Pedicle screws are the implants used most commonly in spinal surgery for fixation, but their efficacy depends directly on bone quality. While PMMA-augmented screws represent an alternative for patients with osteoporotic vertebrae, their use has raised some concerns due to the possible association between cement leakages (CLs) and other morbidities...
June 9, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28606605/cervical-and-thoracic-intervertebral-disc-hydration-increases-with-recumbency-a-study-in-101-healthy-volunteers
#6
Daniel L Belavy, Matthew Quittner, Yuan Ling, David Connell, Timo Rantalainen
BACKGROUND CONTEXT: Variation in water content and size of the lumbar intervertebral discs (IVDs) is known to occur due to recumbency and has been associated with lumbar IVD herniation risk through the impact of IVD hydration on tissue mechanical properties. It is not clear if similar changes in the cervical or thoracic IVDs occur with recumbency. PURPOSE: Determine whether increases in hydration of thoracic and cervical IVDs occur with short-duration recumbency...
June 9, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28602981/three-dimensional-translations-following-posterior-three-column-spinal-osteotomies-for-the-correction-of-severe-and-stiff-kyphoscoliosis
#7
Xueshi Li, Zifang Huang, Yaolong Deng, Hengwei Fan, Wenyuan Sui, Chongwen Wang, Junlin Yang
BACKGROUND CONTEXT: Posterior three-column spinal osteotomies were shown to be effective to treat severe and stiff kyphoscoliosis. Translations at the site of osteotomy after deformity correction were commonly seen intraoperatively, which might cause potential neurologic deficits. However, this phenomenon was not thoroughly discussed in the current literature. PURPOSE: This study was to evaluate the three-dimensional translations at the three-column osteotomy site and their effects on neurologic outcome in the surgical correction of severe and stiff kyphoscoliosis...
June 7, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28583869/total-disc-replacement-versus-multidisciplinary-rehabilitation-in-patients-with-chronic-low-back-pain-and-degenerative-discs-eight-year-follow-up-of-a-randomized-controlled-multicenter-trial
#8
Håvard Furunes, Kjersti Storheim, Jens Ivar Brox, Lars Gunnar Johnsen, Jan Sture Skouen, Eric Franssen, Tore K Solberg, Leiv Sandvik, Christian Hellum
BACKGROUND CONTEXT: Lumbar total disc replacement is a treatment option for selected patients with chronic low back pain that is non-responsive to conservative treatment. The long-term results of disc replacement compared to multidisciplinary rehabilitation have not been reported previously. PURPOSE: We aimed to assess the long-term relative efficacy of lumbar total disc replacement compared to multidisciplinary rehabilitation. DESIGN: We undertook a multicenter randomized controlled trial at five university hospitals in Norway...
June 2, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28579287/effect-of-1-or-2-level-posterior-lumbar-interbody-fusion-on-global-sagittal-balance
#9
Jae Hwan Cho, Youn-Suk Joo, Cheongsu Lim, Chang Ju Hwang, Dong-Ho Lee, Choon Sung Lee
BACKGROUND CONTEXT: Sagittal imbalance is associated with poor clinical outcomes in patients with degenerative lumbar disease. However, there is no consensus on the impact of posterior lumbar interbody fusion (PLIF) on local and global sagittal balance. PURPOSE: To reveal the effect of 1- or 2-level PLIF on global sagittal balance. STUDY DESIGN/SETTING: A retrospective case-control study. PATIENTS SAMPLE: This study included 88 patients who underwent a 1- or 2-level PLIF for spinal stenosis with spondylolisthesis...
June 1, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28578164/discriminative-ability-of-commonly-used-indices-to-predict-adverse-outcomes-after-poster-lumbar-fusion-a-comparison-of-demographics-asa-the-modified-charlson-comorbidity-index-and-the-modified-frailty-index
#10
Nathaniel T Ondeck, Daniel D Bohl, Patawut Bovonratwet, Ryan P McLynn, Jonathan J Cui, Blake N Shultz, Adam M Lukasiewicz, Jonathan N Grauer
BACKGROUND CONTEXT: As research tools, the American Society of Anesthesiologist physical classification system (ASA), the modified Charlson Comorbidity Index (mCCI), and the modified Frailty Index (mFI) have been associated with complications following spine procedures. However, with respect to clinical utility for various adverse outcomes, no known study has compared the predictive performance of these indices specifically following posterior lumbar fusion (PLF). PURPOSE: To compare the discriminative ability of ASA, mCCI, and mFI as well as demographic factors including age, body mass index (BMI) and gender for perioperative adverse outcomes following PLF...
May 31, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28578163/efficacy-and-safety-of-urinary-catheters-with-silver-alloy-coating-in-spinal-cord-injured-patients-a-multicentric-pragmatic-randomized-controlled-trial-the-escale-trial
#11
Xavier Bonfill, David Rigau, Manuel E Fuertes, Juana M Barrera-Chacón, María L Jáuregui-Abrisqueta, Sebastian Salvador, Carolina M Alemán-Sánchez, Albert Borau, Manuel Bea-Muñoz, Begoña Hidalgo, Maria J Andrade, Juan R Espinosa, María José Martínez-Zapata
BACKGROUND: Patients with spinal cord injury (SCI) that carry indwelling urinary catheters have an increased risk of urinary tract infection (UTIs). Antiseptic Silver Alloy-Coated silicone (SAC) urinary catheters prove to be a promising intervention to reduce UTIs; however, current evidence cannot be extrapolated to spinal cord injured patients. PURPOSE: Assess the efficacy of SAC urinary catheters for preventing catheter-associated urinary tract infections (CA-UTI)...
May 31, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28576501/reporting-the-results-of-meta-analyses-a-plea-for-incorporating-clinical-relevance-referring-to-an-example
#12
Ronald H M A Bartels, Roland D Donk, Wim I M Verhagen, Allard J F Hosman, André L M Verbeek
BACKGROUND CONTEXT: The results of meta-analyses are frequently reported, but understanding and interpreting them is difficult for both clinicians and patients. Statistical significances are presented without referring to values that imply clinical relevance. PURPOSE: To use the minimal clinically important difference (MCID) to rate the clinical relevance of a meta-analysis. STUDY DESIGN: Review of the literature. PATIENT SAMPLE: meta-analyses OUTCOME MEASURE: MCID METHODS: We performed an extensive literature search of a series of meta-analyses evaluating a similar subject as an example...
May 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28576500/the-efficacy-of-conventional-radiofrequency-denervation-in-patients-with-chronic-low-back-pain-originating-from-the-facet-joints-a-meta-analysis-of-randomized-controlled-trials
#13
REVIEW
Chang-Hyun Lee, Chun Kee Chung, Chi Heon Kim
BACKGROUND CONTEXT: Radiofrequency denervation is commonly used for the treatment of chronic facet joint pain that has been refractory to more conservative treatments, although the evidence supporting this treatment has been controversial. PURPOSE: We aimed to elucidate the precise effects of radiofrequency denervation in patients with low back pain originating from the facet joints relative to those obtained using control treatments, with particular attention to consistency in the denervation protocol...
May 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28571789/virtual-reality-based-simulators-for-spine-surgery-a-systematic-review
#14
REVIEW
Michael Pfandler, Marc Lazarovici, Philipp Stefan, Patrick Wucherer, Matthias Weigl
BACKGROUND CONTEXT: Virtual reality (VR) based simulators offer numerous benefits and are very useful in assessing and training surgical skills. Although they are standard in some surgical subspecialties, their actual use in spinal surgery remains unclear. Currently, only technical reviews of VR based simulators are available for spinal surgery. PURPOSE: Thus, we performed a systematic review which examined the existing research on VR based simulators in spinal procedures...
May 29, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28571788/shape-change-in-the-atlas-with-congenital-midline-nonunion-of-its-posterior-arch-a-morphometric-geometric-study
#15
Luis Ríos, Carlos Palancar, Francisco Pastor, Susana Llidó, Juan Alberto Sanchís-Gimeno, Markus Bastir
BACKGROUND CONTEXT: congenital midline nonunion of the posterior arch of the atlas is a developmental variant present at a frequency ranging from 0.7% to 3.9%. Most of the reported cases correspond to incidental findings during routine medical examination. In cases of posterior nonunion, hypertrophy of the anterior arch and cortical bone thickening of the posterior arches have been observed, interpreted as adaptive responses of the atlas to increased mechanical stress. PURPOSE: we sought to determine if congenital nonunion of the posterior arch results in a change of the shape of the atlas...
May 29, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28549902/does-corrective-spine-surgery-improve-the-standing-balance-in-patients-with-adult-spinal-deformity
#16
Mitsuru Yagi, Hideaki Ohne, Shinjiro Kaneko, Masafumi Machida, Yoshiyuki Yato, Takashi Asazuma
BACKGROUND CONTEXT: The effect of corrective spine surgery on standing stability in adult spinal deformity (ASD) has not been fully documented. PURPOSE: To compare pre- and postoperative standing balance and posture in patients with ASD. STUDY DESIGN/SETTING: Prospective case series. PATIENT SAMPLE: Standing balance before and after corrective spine surgery was compared in 35 consecutive female patients with ASD (65...
May 23, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28529002/isyqol-a-rasch-consistent-questionnaire-for-measuring-health-related-quality-of-life-in-adolescents-with-spinal-deformities
#17
Antonio Caronni, Luciana Sciumè, Sabrina Donzelli, Fabio Zaina, Stefano Negrini
BACKGROUND CONTEXT: - Spinal deformities are commonly associated with poor HRQOL. Several questionnaires (e.g. SRS-24 and SRS-22) have been developed to evaluate HRQOL in these conditions. In adults as well as during growth, the HRQOL is considered one of the most relevant outcomes of both conservative and surgical treatment. Rasch analysis is a powerful statistical technique for developing high quality and valid questionnaires. The SRS-24 and SRS-22 have been evaluated using the Rasch analysis, but showed poor measurement properties...
May 18, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28527757/comparative-analysis-of-peri-operative-complications-between-a-multicenter-prospective-cervical-deformity-database-and-the-nationwide-inpatient-sample-database
#18
Peter G Passias, Samantha R Horn, Cyrus M Jalai, Gregory Poorman, Olivia J Bono, Subaraman Ramchandran, Justin S Smith, Justin K Scheer, Daniel M Sciubba, D Kojo Hamilton, Gregory Mundis, Cheongeun Oh, Eric O Klineberg, Virginie Lafage, Christopher I Shaffrey, Christopher P Ames
BACKGROUND CONTEXT: Complication rates for adult cervical deformity are poorly characterized given the complexity and heterogeneity of cases. PURPOSE: To compare peri-operative complication rates following adult cervical deformity corrective surgery between a prospective multi-center database for cervical deformity patients (PCD) and Nationwide Inpatient Sample (NIS). STUDY DESIGN/SETTING: Retrospective review of prospective databases. PATIENT SAMPLE: 11,501 adult cervical deformity patients (11,379 patients from NIS and 122 patients from PCD database)...
May 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28527756/radiological-lumbar-stenosis-severity-predicts-worsening-sagittal-malalignment-on-full-body-standing-stereoradiographs
#19
Aaron J Buckland, Subaraman Ramchandran, Louis Day, Shay Bess, Themistocles Protopsaltis, Peter G Passias, Bassel G Diebo, Renaud Lafage, Virginie Lafage, Akhila Sure, Thomas J Errico
BACKGROUND CONTEXT: Patients with degenerative lumbar stenosis (DLS) adopt a forward flexed posture in an attempt to decompress neural elements. The relationship between sagittal alignment and severity of lumbar stenosis has not previously been studied. PURPOSE: We hypothesized that patients with increasing radiological severity of lumbar stenosis will exhibit worsening sagittal alignment. STUDY DESIGN: This is a cross-sectional study. PATIENT SAMPLE: Our sample consists of patients who have DLS...
May 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28527755/perioperative-neurologic-complications-during-spinal-fusion-surgery-incidence-and-trends
#20
Parthasarathy Thirumala, James Zhou, Piruthiviraj Natarajan, Jeffrey Balzer, Edward Dixon, David Okonkwo, D K Hamilton
BACKGROUND CONTEXT: Perioperative neurologic complications after spine surgery may increase morbidity and healthcare costs related to the procedure. PURPOSE: We estimate the national incidence of perioperative neurologic complications following anterior cervical discectomy and fusion (ACDF), posterior cervical fusion, and thoracolumbar fusion procedures using the Nationwide Inpatient Sample (NIS) data from 1999 to 2011. Additionally, we identify risk factors for developing perioperative neurologic complications and the effects of these injuries on quantifiable patient outcomes...
May 17, 2017: Spine Journal: Official Journal of the North American Spine Society
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