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Spine Journal: Official Journal of the North American Spine Society

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https://www.readbyqxmd.com/read/28336484/lumbar-mri-findings-in-patients-with-and-without-waddell-signs
#1
J S Cox, S Blizzard, H Carlson, J Hiratza, J U Yoo
BACKGROUND CONTEXT: Waddell Signs (WS), introduced as a method to establish patients with substantial psychosocial components to their low back pain, carry a negative association despite no literature evaluating whether physical disease is associated with them. PURPOSE: To compare lumbar MRI findings between the patients with and without Waddell's Signs. STUDY DESIGN: Retrospective cohort study based on prospectively collected data PATIENT SAMPLE: Thirty patients aged 35-55 with an ODI score >50 randomly selected such that there was an even distribution of patients based on number of WS OUTCOME MEASURES: ODI and SF-12 scores, number of WS, presence and severity of spinal pathology METHODS: MRIs were reviewed by three spine specialists blinded to clinical exam findings, number of WS, and patient identity...
March 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28336483/-text-neck-an-epidemic-of-the-modern-era-of-cell-phones
#2
Jason M Cuéllar, Todd H Lanman
No abstract text is available yet for this article.
March 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28336482/surgical-treatment-of-lumbar-disc-herniation-in-different-ages-evaluation-of-11-237-patients
#3
Fredrik Strömqvist, Björn Strömqvist, Bo Jönsson, Magnus K Karlsson
BACKGROUND CONTEXT: Surgical treatment of lumbar disc herniation (LDH) may lead to different outcome in young, middle aged and elderly. However, no study has by the same data ascertainment evaluated referral pattern, improvement and outcome in different age strata. PURPOSE: To evaluate referral pattern and outcome in patients surgically treated due to LDH in different ages. STUDY DESIGN: Register study of prospectively collected data. PATIENT SAMPLE: In SweSpine, the national Swedish register for spinal surgery, we identified 11...
March 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28323241/the-safety-efficacy-and-cost-effectiveness-of-intraoperative-cell-salvage-in-metastatic-spine-tumour-surgery
#4
Mahmoud Elmalky, Naveed Yasin, Ricardo Rodrigues-Pinto, John Stephenson, Craig Carroll, Glyn Smurthwaite, Rajat Verma, Saeed Mohammad, Irfan Siddique
BACKGROUND CONTEXT: Metastatic spine tumour surgery (MSTS) is associated with substantial blood loss therefore leading to high morbidity and mortality. While intraoperative cell salvage with leucocyte depletion filter (IOCS-LDF) has been studied as an effective mean of reducing blood loss in other surgical settings, including the spine, no study has yet analysed the efficacy of re-infusion of salvaged blood in reducing the need for allogenic blood transfusion in patients who have had surgery for MSTS...
March 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28323240/the-impact-of-continuous-use-of-lumbosacral-orthoses-on-trunk-motor-performance-a-systematic-review-with-meta-analysis
#5
REVIEW
Hiroshi Takasaki, Takahiro Miki
BACKGROUND CONTEXT: The lumbosacral orthosis (LSO) is prescribed by general practitioners for the management of low back pain. It may be speculated that continuous use of the LSO for a prolonged period reduces mechanical loading to the trunk muscle in daily living and results in impairments of the trunk muscle. PURPOSE: To investigate whether the trunk motor performances are impaired by continuous use of the lumbosacral orthosis. STUDY DESIGN/SETTING: Systematic review with meta-analysis...
March 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28323239/biomechanical-analysis-of-lateral-interbody-fusion-strategies-for-adjacent-segment-degeneration-in-the-lumbar-spine
#6
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/28323238/preoperative-retrolisthesis-as-a-predictive-risk-factor-of-reoperation-due-to-delayed-onset-symptomatic-foraminal-stenosis-after-central-decompression-for-lumbar-canal-stenosis-without-fusion
#7
Daisuke Ikegami, Noboru Hosono, Yoshihiro Mukai, Kosuke Tateishi, Takeshi Fuji
BACKGROUND CONTEXT: For patients diagnosed with lumbar central canal stenosis with asymptomatic foraminal stenosis (FS), surgeons occasionally only decompress central stenosis and preserve asymptomatic FS. These surgeries have the potential risk of converting preoperative asymptomatic FS into symptomatic FS postoperatively by accelerating spinal degeneration, which requires reoperation. However, little is known about delayed onset symptomatic FS postoperatively. PURPOSE: This study aimed to evaluate the rate of reoperation for delayed onset symptomatic FS after lumbar central canal decompression in patients with preoperative asymptomatic FS, and determine the predictive risk factors of those reoperations...
March 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28288923/effects-of-alendronateon-lumbar-intervertebral-disc-degeneration-with-bone-loss-in-ovariectomized-rats
#8
Huiping Song, Yang Luo, Wenya Wang, Shuyang Li, Kai Yang, Muwei Dai, Yong Shen, Yingze Zhang, Liu Zhang
BACKGROUND CONTEXT: Osteoporosis adversely affects disc degeneration cascades, and prophylactic alendronate (ALN) helps delay intervertebral disc degeneration (IDD) in ovariectomized (OVX) rats. However, there remains no information regarding whether ALN affects IDD with bone loss. PURPOSE: This study aimed to observe the effects of ALN on degenerative discs with bone loss induced by OVX in rats. STUDY DESIGN: Controlled in vivo experiments in rodents...
March 10, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28267634/chronic-low-back-pain-and-the-risk-of-depression-or-anxiety-symptoms-insights-from-a-longitudinal-twin-study
#9
Matt Fernandez, Lucia Colodro-Conde, Jan Hartvigsen, Manuela L Ferreira, Kathryn M Refshauge, Marina B Pinheiro, Juan R Ordoñana, Paulo H Ferreira
BACKGROUND CONTEXT: Pain is commonly associated with symptoms of depression or anxiety, although this relationship is considered bidirectional. There is limited knowledge regarding causal relationships. PURPOSE: This study aims to investigate whether chronic low back pain (LBP) increases the risk of depression or anxiety symptoms, after adjusting for shared familial factors. STUDY DESIGN: This is a longitudinal, genetically informative study design from the Murcia Twin Registry in Spain...
March 4, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28263890/the-prevalence-of-spinal-epidural-lipomatosis-on-magnetic-resonance-imaging
#10
Nina C Theyskens, Nuno Rui Paulino Pereira, Stein J Janssen, Christopher M Bono, Joseph H Schwab, Thomas D Cha
BACKGROUND: Spinal epidural lipomatosis (SEL) refers to an excessive accumulation of fat within the epidural space. It can be idiopathic or secondary, resulting in significant morbidity. The prevalence of SEL, including idiopathic and secondary SEL, and its respective risk factors are poorly defined. PURPOSE: We sought to: (1) assess the prevalence of SEL among patients who underwent a dedicated magnetic resonance imaging (MRI) scan of the spine-including incidental SEL (ie, SEL without any spine-related symptoms), SEL with spine-related symptoms, and symptomatic SEL (ie, with symptoms specific for SEL); and (2) assess factors associated with overall SEL and subgroups...
March 3, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28254673/cervical-lordosis-the-effect-of-age-and-gender
#11
Ella Been, Sara Shefi, Michalle Soudack
BACKGROUND CONTEXT: The cervical lordosis is of great importance to posture and function. Neck pain and disability is often associated with cervical lordosis malalignment. Surgical procedures involving cervical lordosis stabilization or restoration must take into account age and gender differences in cervical lordosis architecture, to avoid further complications. PURPOSE: Therefore, the purpose of this study was to evaluate differences in the cervical lordosis between males and females from childhood to adulthood...
February 27, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28254672/is-the-use-of-minimally-invasive-fusion-technologies-associated-with-improved-outcomes-after-elective-interbody-lumbar-fusion-analysis-of-a-nationwide-prospective-patient-reported-outcomes-registry
#12
Matthew J McGirt, Scott L Parker, Praveen Mummaneni, John Knightly, Deborah Pfortmiller, Kevin Foley, Anthony L Asher
BACKGROUND CONTEXT: Over the last decade, clinical investigators and biomedical industry groups have used significant resources to develop advanced technologies that enable less invasive spine fusions. These minimally invasive surgery (MIS) technologies often require increased expenditures by hospitals and payers. While several small single center studies have suggested MIS technologies decrease surgical morbidity and reduce hospital stay, evidence documenting benefit from a patient perspective remains limited...
February 27, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28254671/are-patient-reported-outcomes-predictive-of-patient-satisfaction-five-years-after-anterior-cervical-spine-surgery
#13
Gregory D Schroeder, Dom Coric, Han Jo Kim, Todd J Albert, Kris E Radcliff
BACKGROUND CONTEXT: Patient satisfaction is becoming an increasing common proxy for surgical quality; however, the correlation between patient satisfaction and surgical outcomes two and five years after anterior cervical surgery has not been evaluated. PURPOSE: To determine if patient satisfaction is predicted by improvement in patient reported outcomes (PRO) two and five years after anterior cervical spine surgery. STUDY DESIGN: A retrospective analysis of prospectively collected data...
February 27, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28242336/most-efficient-questionnaires-to-measure-quality-of-life-physical-function-and-pain-in-patients-with-metastatic-spine-disease-a-cross-sectional-prospective-survey-study
#14
Nuno Rui Paulino Pereira, Stein J Janssen, Kevin A Raskin, Francis J Hornicek, Marco L Ferrone, John H Shin, Jos A M Bramer, Cornelis Nicolaas van Dijk, Joseph H Schwab
BACKGROUND CONTEXT: Assessing quality of life, functional outcome, and pain has become important in assessing the effectiveness of treatment for metastatic spine disease. Many questionnaires are able to measure these outcomes; few are validated in patients with metastatic spine disease. As a result, there is no consensus on the ideal questionnaire to use in these patients. PURPOSE: Our study aim was to assess whether certain questionnaires measuring quality of life, functional outcome, and pain (1) correlated with each other, (2) measured the construct they claim to measure, (3) had good coverage-floor and ceiling effects, (4) were reliable, and (5) whether there were differences in completion time between them...
February 24, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28242335/rod-stiffness-as-a-risk-factor-of-proximal-junctional-kyphosis-after-adult-spinal-deformity-surgery-comparative-study-between-cobalt-chrome-multiple-rod-constructs-and-titanium-alloy-two-rod-constructs
#15
Sanghyun Han, Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Subum Lee, Seung-Chul Rhim
BACKGROUND CONTEXT: Little is known about the effect of rod stiffness as a risk factor of proximal junctional kyphosis (PJK) after adult spinal deformity (ASD) surgery. PURPOSE: The aim of this study was to compare radiographic outcomes after the use of cobalt chrome multiple-rod constructs (CoCr MRCs) and titanium alloy two-rod constructs (Ti TRCs) for ASD surgery with a minimum 1-year follow-up. STUDY DESIGN: Retrospective case-control study in two institutes...
February 24, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28232052/does-sedentary-behavior-increase-the-risk-of-low-back-pain-a-population-based-co-twin-study-of-spanish-twins
#16
Anita B Amorim, Gavin M Levy, Francisco Pérez-Riquelme, Milena Simic, Evangelos Pappas, Amabile B Dario, Manuela L Ferreira, Eduvigis Carrillo, Alejandro Luque-Suarez, Juan R Ordoñana, Paulo H Ferreira
BACKGROUND: The relationship between sedentary lifestyle and low back pain (LBP) remains unclear and previous research has not accounted for genetic and early environmental factors. PURPOSE: Our aim was to investigate if sedentary behavior is associated with the lifetime prevalence of persistent LBP and the risk of developing persistent LBP, care-seeking due to LBP, and activity limiting LBP when genetics and early environmental factors are accounted for. STUDY DESIGN: Both cross-sectional and longitudinal designs with a within-pair twin case-control were implemented...
February 14, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28232051/is-the-clinical-cervical-extensor-endurance-test-capable-of-differentiating-the-local-and-global-muscles
#17
Amir H Kahlaee, Asghar Rezasoltani, Leila Ghamkhar
BACKGROUND CONTEXT: Differential alterations have been reported in the local and global cervical muscles in the presence of chronic neck pain (CNP), including the endurance alterations of these muscles. Identifying the involved muscles is crucial to the assessment and rehabilitation of these patients. PURPOSE: To assess the relationship between clinical endurance test results, pain and disability indices and ultrasonographic (US) measurements of the neck extensor muscles; to compare the deep and superficial cervical extensor muscles endurance and size of CNP patients with those of asymptomatic subjects and to compare the relationship between local and global extensor endurance with US measures, pain intensity and disability...
February 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28185981/analysis-of-the-s2-alar-iliac-screw-as-compared-with-the-traditional-iliac-screw-does-it-increase-stability-with-sacroiliac-fixation-of-the-spine
#18
Daniel G Hoernschemeyer, Troy D Pashuck, Ferris M Pfeiffer
BACKGROUND CONTEXT: Arthrodesis of the lumbosacral junction continues to be a challenge in pediatric and adult spinal deformity surgery. PURPOSE: To evaluate the biomechanical rigidity of two types of lumbosacral fixation. Our hypothesis was that the use of S2 alar-iliac (S2AI) fixation will result in statistically similar biomechanical fixation as compared with use of an iliac screw with a 95% confidence interval. STUDY SETTING: Controlled biomechanical laboratory METHODS: Ten human cadaveric lumbosacral specimens were separated into two test groups: (1) S2AI (n=5) and (2) iliac screw (n=5)...
February 6, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28185980/a-new-quantitative-measure-of-disc-degeneration
#19
Tapio Videman, Michele C Battié, Laura E Gibbons, Kevin Gill
BACKGROUND CONTEXT: The ability to adequately measure a phenomenon is critical to studying and understanding it. Since 1957, a variety of subjective visual grading methods have been used to assess disc degeneration, but these have been limited by gross ordinal scales and imprecision, as well as suboptimal reliability. Conceptually sound, objective, precise measurements are needed to advance knowledge of disc degeneration and its causes, progression, and consequences. PURPOSE: This study aimed to investigate the reliability and validity of a new system ("SpIn" for spine insight) to quantitatively measure lumbar disc degeneration or pathology...
February 6, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28167249/how-are-adjacent-spinal-levels-affected-by-vertebral-fracture-and-by-vertebroplasty-a-biomechanical-study-on-cadaveric-spines
#20
Jin Luo, Deborah J Annesley-Williams, Michael A Adams, Patricia Dolan
BACKGROUND CONTEXT: Spinal injuries and surgery may have important effects at neighbouring spinal levels, but previous investigations of adjacent-level biomechanics have produced conflicting results. We use 'stress profilometry' and non-contact strain measurements to investigate thoroughly this long-standing problem. PURPOSE: To determine how vertebral fracture and vertebroplasty affect compressive load-sharing and vertebral deformations at adjacent spinal levels...
February 3, 2017: Spine Journal: Official Journal of the North American Spine Society
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