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Spondylolisthesis

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https://www.readbyqxmd.com/read/27918892/the-effects-of-muscle-weakness-on-degenerative-spondylolisthesis-a-finite-element-study
#1
Rui Zhu, Wen-Xin Niu, Zhi-Li Zeng, Jian-Hua Tong, Zhi-Wei Zhen, Shuang Zhou, Yan Yu, Li-Ming Cheng
BACKGROUND: Whether muscle weakness is a cause, or result, of degenerative spondylolisthesis is not currently well understood. Little biomechanical evidence is available to offer an explanation for the mechanism behind exercise therapy. Therefore, the aim of this study is to investigate the effects of back muscle weakness on degenerative spondylolisthesis and to tease out the biomechanical mechanism of exercise therapy. METHODS: A nonlinear 3-D finite element model of L3-L5 was constructed...
November 26, 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/27909658/minimally-invasive-surgery-for-lumbar-synovial-cysts-with-coexisting-degenerative-spondylolisthesis
#2
Daniel R Denis, Daniel Hirt, Saumya Shah, Daniel C Lu, Langston T Holly
BACKGROUND: About one third of lumbar synovial cysts are associated with degenerative spondylolisthesis. Segmental instability is thought to contribute to the pathogenesis and recurrence of synovial cysts and lumbar fusion has been advocated as a treatment of choice in the presence of spondylolisthesis. In patients with spondylolisthesis, minimally invasive resection of lumbar synovial cysts, without fusion, could minimize surgically induced segmental instability while providing good pain relief...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27898599/influence-of-sacral-slope-on-the-loading-of-pedicle-screws-in-postoperative-l5-s1-isthmic-spondylolisthesis-patient-a-finite-element-analysis
#3
Liang Chen, Yu Feng, Chun-Qing Che, Yong Gu, Ling-Jun Wang, Hui-Lin Yang
STUDY DESIGN: A finite element analysis. OBJECTIVE: To evaluate the influence of sacral slope (SS) on the loading of pedicle screws in postoperative isthmic spondylolisthesis (IS). SUMMARY OF BACKGROUND DATA: The spinopelvic anatomy was important for the biomechanics in spondylolisthesis. To our knowledge, no study concentrated on the postoperative biomechanics of the IS with the different SS. METHODS: Based on the computed tomography images, a finite model of L5/S1 IS was constructed...
December 1, 2016: Spine
https://www.readbyqxmd.com/read/27888353/degenerative-spondylolisthesis-contemporary-review-of-the-role-of-interbody-fusion
#4
REVIEW
Joseph F Baker, Thomas J Errico, Yong Kim, Afshin Razi
Degenerative spondylolisthesis is a common presentation, yet the best surgical treatment continues to be a matter of debate. Interbody fusion is one of a number of options, but its exact role remains ill defined. The aim of this study was to provide a contemporary review of the literature to help determine the role, if any, of interbody fusion in the surgical treatment of degenerative spondylolisthesis. A systematic review of the literature since 2005 was performed. Details on study size, patient age, surgical treatments, levels of slip, patient reported outcome measures, radiographic outcomes, complications and selected utility measures were recorded...
November 25, 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27861359/characterization-of-radiographic-features-of-consecutive-lumbar-spondylolisthesis
#5
Yapeng Sun, Hui Wang, Dalong Yang, Nan Zhang, Sidong Yang, Wei Zhang, Wenyuan Ding
Radiographic features of consecutive lumbar spondylolisthesis were retrospectively analyzed in a total of 17 patients treated for this condition at the Third Hospital of Hebei Medical University from June 2005 to March 2012.To investigate the radiographic features, pelvic compensatory mechanisms, and possible underlying etiologies of consecutive lumbar spondylolisthesis.To the best of our knowledge, there is no previous report concerning the characteristics of consecutive lumbar spondylolisthesis.The Taillard index and the lumbar lordosis (LL), pelvic incidence (PI), sacrum slope (SS), and pelvic tilt (PT) were determined on lateral X-ray images, and the angular displacement was analyzed on flexion-extension X-ray images...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27861250/mri-analysis-of-the-combined-prospectively-collected-aospine-north-america-and-international-data-the-prevalence-and-spectrum-of-pathologies-in-a-global-cohort-of-patients-with-degenerative-cervical-myelopathy
#6
Aria Nouri, Allan Martin, Lindsay Tetreault, Anick Nater, So Kato, Hiroaki Nakashima, Narihito Nagoshi, Hamed Reihani-Kermani, Michael G Fehlings
STUDY DESIGN: Ambispective Analysis OBJECTIVE.: To report the global prevalence of specific degenerative cervical pathologies in patients with DCM through detailed review of MRIs SUMMARY OF BACKGROUND DATA.: Degenerative Cervical Myelopathy (DCM) encompasses a spectrum of age-related conditions that result in progressive spinal cord injury. METHODS: MRIs of 458 patients (age 56.4 +/-11.8, 285 Male, 173 Female) patients were reviewed for specific degenerative features, directionality of cord compression, levels of spinal cord compression, and signal changes on T2WI and T1WI...
November 16, 2016: Spine
https://www.readbyqxmd.com/read/27858696/quality-of-life-in-children-and-adolescents-undergoing-spinal-deformity-surgery
#7
Greg M McKean, Athanasios I Tsirikos
BACKGROUND: Quality of life measurements evaluate surgical results from patients' reported outcomes. OBJECTIVE: To assess the impact of spinal deformity treatment using the Scoliosis Research Society-22 questionnaire. METHODS: SRS-22 data was collected in 545 consecutive patients (425 females-120 males) pre-operatively, 6-, 12- and 24-months post-operatively. Variables included type and age of surgery (mean: 15.14 ± 2.07 years), gender, diagnosis and year of surgery...
November 18, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27858395/low-back-pain-and-internet-infopollution
#8
Yavuz Samanci, Suat Erol Çelik
AIM: Increasing number of patients engages in health information seeking via the Internet. We aimed to determine the quality of information on Internet for treatment of three common neurosurgical conditions associated with lower back pain using the DISCERN® instrument. MATERIAL AND METHODS: The search phrases "lumbar disc herniation treatment", "lumbar spinal stenosis treatment" and "lumbar spondylolisthesis treatment" were searched in the Google® search engine using simple searching method...
October 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27858389/clinical-outcomes-of-patients-over-75-years-of-age-with-degenerative-spondylolisthesis-following-bilateral-decompression-via-a-unilateral-approach
#9
Mustafa Ilik, Mustafa Golen, Faik Ilik, Ilker Çöven, Yıldıray Dal
AIM: The purpose of this study was to investigate the clinical outcomes of bilateral decompression via a unilateral approach (BDUA) on degenerative spondylolisthesis with spinal stenosis in patients over 75 years of age. MATERIAL AND METHODS: Elderly patients (n = 41; average age 79.3 ± 2.5 years) who received BDUA under spinal anaesthesia between April 2011 and May 2014 were enrolled. Visual Analogue Scale (VAS) scores and Oswestry Disability Index (ODI) values were evaluated preoperatively and at the last visit postoperatively (median follow-up period, 22 month; mean follow-up period, 27 month)...
October 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27858240/return-of-motor-evoked-potentials-after-knee-flexion-in-the-setting-of-high-grade-spondylolisthesis
#10
Justin Tilan, Lindsay M Andras, Mark D Krieger, David L Skaggs
PURPOSE: To present a case of loss of motor-evoked potentials (MEPs) to the left foot in the supine position after a partial reduction and instrumented fusion from L4 to pelvis which was managed successfully without revision or removal of implants. METHODS: We report a patient with high-grade spondylolisthesis who demonstrated loss of motor-evoked potentials after posterior spinal fusion and transfer to supine position. The patient's knees were flexed to 90° and signals were immediately restored...
November 17, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27853658/analysis-of-recombinant-human-bone-morphogenetic-protein-2-use-in-the-treatment-of-lumbar-degenerative-spondylolisthesis
#11
Qingqiang Yao, Jeremiah R Cohen, Zorica Buser, Jong-Beom Park, Darrel S Brodke, Hans-Joerg Meisel, Jim A Youssef, Jeffrey C Wang, S Tim Yoon
Study Design Retrospective database review. Objective To identify trends of the recombinant human bone morphogenetic protein-2 (rhBMP-2) use in the treatment of lumbar degenerative spondylolisthesis (LDS). Methods PearlDiver Patient Record Database was used to identify patients who underwent lumbar fusion for LDS between 2005 and 2011. The distribution of bone morphogenetic protein use rate (BR) in various surgical procedures was recorded. Patient numbers, reoperation numbers, BR, and per year BR (PYBR) were stratified by geographic region, gender, and age...
December 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27852500/cost-effectiveness-of-lumbar-spondylolisthesis-surgery-at-2-year-follow-up
#12
Charla R Fischer, Ryan Cassilly, Marc Dyrszka, Yuriy Trimba, Austin Peters, Jeffrey A Goldstein, Jeffrey Spivak, John A Bendo
OBJECTIVES: The purpose of this study was to determine the cost/quality-adjusted life-year (QALY) of the operative treatment of lumbar spondylolisthesis and identify factors associated with cost-effectiveness at 2 years. METHODS: We evaluated patients who underwent surgery for spondylolisthesis. The QALY was determined from the EQ5D. Outcomes were also assessed using the Oswestry Disability Index (ODI). Surgical, neuromonitoring, and anesthesia Current Procedural Terminology (CPT) codes as well as hospital Diagnosis-Related Group codes were used to determine the Medicare direct care costs of surgery...
January 2016: Spine Deformity
https://www.readbyqxmd.com/read/27852493/biomechanical-comparison-of-spinopelvic-fixation-constructs-iliac-screw-versus-s2-alar-iliac-screw
#13
Camden B Burns, Karan Dua, Nicholas A Trasolini, David E Komatsu, James M Barsi
STUDY DESIGN: Biomechanical cadaveric study. OBJECTIVE: To compare the biomechanical properties of the iliac and S2-Alar-Iliac (S2AI) screw in a similar spinopelvic fixation construct. SUMMARY OF BACKGROUND DATA: Spinopelvic fixation is used in the correction of pelvic obliquity, high-grade spondylolisthesis, and long spinal fusions. With the development of pedicle screw fixation, the iliac screw has been used as an anchor point to the pelvis...
January 2016: Spine Deformity
https://www.readbyqxmd.com/read/27847575/microsurgical-foraminotomy-via-wiltse-paraspinal-approach-for-foraminal-or-extraforaminal-stenosis-at-l5-s1-level-risk-factor-analysis-for-poor-outcome
#14
Sung-Ik Cho, Chung-Kee Chough, Shu-Chung Choi, Jin-Young Chun
OBJECTIVE: The purpose of this study was to present the outcome of the microsurgical foraminotomy via Wiltse paraspinal approach for foraminal or extraforaminal (FEF) stenosis at L5-S1 level. We investigated risk factors associated with poor outcome of microsurgical foraminotomy at L5-S1 level. METHODS: We analyzed 21 patients who underwent the microsurgical foraminotomy for FEF stenosis at L5-S1 level. To investigate risk factors associated with poor outcome, patients were classified into two groups (success and failure in foraminotomy)...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27843678/commentary-on-the-role-of-surgery-for-treatment-of-low-back-pain-insights-from-the-randomized-controlled-sport-trials
#15
Nancy E Epstein
BACKGROUND: The SPORT trial database offered much useful information regarding the efficacy of surgical treatment for lumbar disc herniations, lumbar spinal stenosis, and degenerative spondylolisthesis. Data were obtained from 13 sites and included 2500 patients. METHODS: The randomized trial for lumbar disc herniations was contaminated by the immense crossover of patients from surgical (50%) to non-surgical (30%) groups. Weinstein et al. concluded that they could not claim superiority of one treatment modality over the other...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27843677/commentary-on-laminectomy-plus-fusion-versus-laminectomy-alone-for-lumbar-spondylolisthesis-by-ghogawala-z-dziura-j-butler-we-dai-f-terrin-n-magge-sn-et-al-nejm-2016-374-15-1424-34
#16
Nancy E Epstein
BACKGROUND: How does an article involving only 66 patients randomized into two spinal surgical groups get into the New England Journal of Medicine? Nevertheless, this one did. The article by Ghogawala et al. entitled Laminectomy plus fusion versus laminectomy alone for lumbar spondylolisthesis, compared the efficacy/outcomes of pedicle/screw/rod instrumented posterolateral lumbar fusions vs. decompressions alone for treating lumbar stenosis with grade I degenerative spondylolisthesis (DS)...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27843676/commentary-on-a-randomized-controlled-trial-of-fusion-surgery-for-lumbar-spinal-stenosis-forsth-p-%C3%A3-lafsson-g-carlsson-t-frost-a-borgstr%C3%A3-m-f-fritzell-p-et-al-n-eng-j-med-2016-374-1414-23
#17
Nancy E Epstein
BACKGROUND: This article by Forsth et al. published in the New England Journal of Medicine entitled A randomized controlled trial of fusion surgery for lumbar spinal stenosis determined that decompressions alone vs. decompressions/fusions were equally effective in treating 1-2 level spinal stensois with/without degenerative spondylolisthesis (DS). Additionally, decompression alone reduced the perioperative morbidity, while reducuing the length of hospital stay (LOS), operative time, and surgical costs...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27832362/is-reduction-better-than-arthrodesis-in-situ-in-surgical-management-of-low-grade-spondylolisthesis-a-system-review-and-meta-analysis
#18
REVIEW
Xuedong Bai, Jiahai Chen, Liyang Liu, Xiaochuan Li, Yaohong Wu, Deli Wang, Dike Ruan
PURPOSE: To compare the clinical and radiographic outcomes of arthrodesis in situ with arthrodesis after reduction in low-grade spondylolisthesis. METHODS: We performed a comprehensive search of both observational and randomized clinical trials published up to April 2016 in PubMed, MEDLINE, Cochrane Library, and Embase databases. The outcomes included age, sex, operative time, blood loss, and at least 2 years clinical results of Oswestry disability index (ODI), visual analogue scale (VAS), lumbar lordosis, slippage, fusion rate, the rate of good and excellent and the complication rate...
November 10, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27831992/sex-life-and-impact-of-operative-intervention-on-sex-life-related-pain-in-degenerative-spinal-conditions-an-analysis-of-the-sport-study
#19
Patrick K Horst, Krishn Khanna, Linda Racine, Alexander Theologis, Wenyan Zhao, Jon Lurie, Shane Burch
STUDY DESIGN: This study is a therapeutic retrospective cohort study OBJECTIVES.: This study aims to determine whether sexual function is relevant for patients with spinal stenosis (SPS) and degenerative spondylolisthesis (DS) and to determine the impact of operative inter vqAvention on sexual function for these patients. SUMMARY OF BACKGROUND DATA: The benefits of nonoperative versus operative treatment for patients with SPS and DS with regards to sexual function are unknown...
November 15, 2016: Spine
https://www.readbyqxmd.com/read/27811518/review-of-pediatric-spondylolysis-and-spondylolisthesis
#20
Rachel M Randall, Michael Silverstein, Ryan Goodwin
Pediatric spondylolysis and spondylolisthesis present with a wide spectrum of pathology and clinical findings, including back pain, leg pain, crouch gait, or neurological deficit. The treatment of spondylolysis alone is typically conservative with bracing, non-steroidal anti-inflammatory drug, and activity restriction, but refractory pain can be successfully surgically managed with intralaminar compression screw, wires, or pedicle screws with rods and laminar hook constructs. The treatment of dysplastic spondylolisthesis is aggressive to prevent neurological deficit, whereas even high-grade isthmic slips can be treated safely with nonoperative measures if no significant neurological deficits are present...
December 2016: Sports Medicine and Arthroscopy Review
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