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Lumbar Disk Degeneration

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https://www.readbyqxmd.com/read/29080003/percutaneous-posterolateral-approach-for-the-simulation-of-a-far-lateral-disc-herniation-in-an-ovine-model
#1
Stefan Schwan, Christopher Ludtka, Ingo Wiesner, Andre Baerthel, Andrea Friedmann, Felix Göhre
PURPOSE: This work describes a minimally invasive damage model for ovine lumbar discs via partial nucleotomy using a posterolateral approach. METHODS: Two cadavers were dissected to analyze the percutaneous corridor. Subsequently, 28 ovine had their annulus fibrosus punctured via awl penetration under fluoroscopic control and nucleus pulposus tissue removed via rongeur. Efficacy was assessed by animal morbidity, ease of access to T12-S1 disc spaces, and production of a mechanical injury as verified by discography, radiography, and histology...
October 27, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28846710/apparent-diffusion-coefficient-maps-in-the-assessment-of-surgical-patients-with-lumbar-spine-degeneration
#2
Evgenii Belykh, Andrey A Kalinin, Arpan A Patel, Eric J Miller, Michael A Bohl, Ivan A Stepanov, Liudmila A Bardonova, Talgat Kerimbaev, Anton O Asantsev, Morgan B Giers, Mark C Preul, Vadim A Byvaltsev
PURPOSE: To assess the utility of apparent diffusion coefficient (ADC) maps for the assessment of patients with advanced degenerative lumbar spine disease and describe characteristic features of ADC maps in various degenerative lumbar spinal conditions. METHODS: T1-weighted, T2-weighted and diffusion weighted (DWI) MR images of 100 consecutive patients admitted to the spinal surgery service were assessed. ADC maps were generated from DWI images using Osyrix software...
2017: PloS One
https://www.readbyqxmd.com/read/28796075/muscle-gap-approach-under-a-minimally-invasive-channel-technique-for-treating-long-segmental-lumbar-spinal-stenosis-a-retrospective-study
#3
Yang Bin, Wang De Cheng, Wang Zong Wei, Li Hui
This study aimed to compare the efficacy of muscle gap approach under a minimally invasive channel surgical technique with the traditional median approach.In the Orthopedics Department of Traditional Chinese and Western Medicine Hospital, Tongzhou District, Beijing, 68 cases of lumbar spinal canal stenosis underwent surgery using the muscle gap approach under a minimally invasive channel technique and a median approach between September 2013 and February 2016. Both approaches adopted lumbar spinal canal decompression, intervertebral disk removal, cage implantation, and pedicle screw fixation...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28670416/correlation-among-inflammatory-cytokine-expression-levels-degree-of-disk-degeneration-and-predominant-clinical-symptoms-in-patients-with-degenerated-intervertebral-discs
#4
Takeshi Sainoh, Kazuhide Inage, Sumihisa Orita, Masao Koda, Takeo Furuya, Kazuyo Yamauchi, Miyako Suzuki, Yoshihiro Sakuma, Go Kubota, Yasuhiro Oikawa, Jun Sato, Kazuki Fujimoto, Yasuhiro Shiga, Koki Abe, Hirohito Kanamoto, Masahiro Inoue, Hideyuki Kinoshita, Masaki Norimoto, Tomotaka Umimura, Kazuhisa Takahashi, Seiji Ohtori
STUDY DESIGN: Observational study. PURPOSE: To assess the correlation among inflammatory cytokine expression levels, degree of intervertebral disk (IVD) degeneration, and predominant clinical symptoms observed in degenerative disk disease (DDD). OVERVIEW OF LITERATURE: Low back pain (LBP) is associated with inflammatory cytokine expression levels, including those of tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), and nerve growth factor (NGF)...
June 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28632553/lumbar-retrolisthesis-in-aging-spine-what-are-the-associated-factors
#5
Feng Zhu, Hongda Bao, Zhen Liu, Zezhang Zhu, Shouyu He, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: The aim of this study is to demonstrate that lumbar retrolisthesis serves as an important compensatory mechanism and to identify the possible factor related to lumbar retrolisthesis. SUMMARY OF BACKGROUND DATA: Lumbar instability is one of the common degenerative changes, which presents as 2 radiologic features: anterolisthesis and retrolisthesis. Compared with the extensive studies on anterolisthesis, limit data are available on the characteristics and clinical relevance of lumbar retrolisthesis...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28496357/incidence-and-risk-factors-of-persistent-low-back-pain-following-posterior-decompression-and-instrumented-fusion-for-lumbar-disk-herniation
#6
Hui Wang, Tao Wang, Qian Wang, Wenyuan Ding
INTRODUCTION: The aim of this study was to explore the incidence and risk factors of persistent low back pain (PLBP) following posterior decompression and instrumented fusion for lumbar disk herniation and to provide references in decision-making and surgical planning for both spinal surgeons and surgically treated patients. PATIENTS AND METHODS: By retrieving the medical records from January 2013 to December 2016, 221 patients were retrospectively reviewed. Patients were classified as having PLBP if numeric rating scale (NRS) scores were >50 at all postoperative follow-up time points (3 months, 6 months, and 12 months)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28323703/biomechanical-effects-of-human-lumbar-discography-in-vitro-experiments-and-their-finite-element-validation
#7
Kristen E Lipscomb, Nesrin Sarigul-Klijn, Eric Klineberg, Vivek Mohan
STUDY DESIGN: An experimental and computational finite element analysis of human lumbar spine discography and its resulting effects on disk biomechanics. OBJECTIVE: To characterize the changes in stress and displacement of the human lumbar spine disks after puncture due to discography. SUMMARY OF BACKGROUND DATA: Discography of the intervertebral disk (IVD) may be used to diagnose pathology of the disk and determine whether it may be a source for chronic back pain...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28152249/feasibility-study-for-evaluating-early-lumbar-facet-joint-degeneration-using-axial-t1-%C3%AF-t2-and-t2-mapping-in-cartilage
#8
Jianzhong Hu, Yi Zhang, Chunyue Duan, Xianjing Peng, Ping Hu, Hongbin Lu
PURPOSE: To assess the feasibility of axial T2 , T2*, and T1 ρ mapping of lumbar facet joint (LFJ) cartilage for evaluation of early degeneration. MATERIALS AND METHODS: We examined a total of 176 LFJs from 21 volunteers using axial T2 , T2*, and T1 ρ mapping with a 3.0T magnetic resonance imaging (MRI) scanner. All LFJs were measured and grouped according to the presence of low back pain (LBP), the Weishaupt grading system, and the Pfirrmann grade of the adjacent intervertebral disk (IVD)...
February 2, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28127375/predictors-of-reoperation-after-microdecompression-in-lumbar-spinal-stenosis
#9
Hee-Jong Hwang, Hyung-Ki Park, Gwang-Soo Lee, June-Young Heo, Jae-Chil Chang
OBJECTIVE: The risk factors of reoperation after microdecompression (MD) for lumbar spinal stenosis (LSS) are unclear. In this study, we presented the outcomes of MD for degenerative LSS and investigated the risk factors associated with reoperation. METHODS: A retrospective review was conducted using the clinical records and radiographs of patients with LSS who underwent MD. For clinical evaluation, we used the Japanese Orthopedic Association (JOA) scoring system for low back pain, body mass index, and Charlson comorbidity index...
December 2016: Korean Journal of Spine
https://www.readbyqxmd.com/read/28005616/five-year-reoperation-rates-of-2-level-lumbar-total-disk-replacement-versus-fusion-results-of-a-prospective-randomized-clinical-trial
#10
Kris Radcliff, Jeffrey Spivak, Bruce Darden, Michael Janssen, Thierry Bernard, Jack Zigler
STUDY DESIGN: Long-term analysis of prospective randomized clinical trial data. SUMMARY OF BACKGROUND DATA: Lumbar total disk replacement (TDR) has been found to have equivalent or superior clinical outcomes compared with fusion and decreased radiographic incidence of adjacent level degeneration in single-level cases. OBJECTIVE: The purpose of this particular analysis was to determine the incidence and risk factors for secondary surgery in patients treated with TDR or circumferential fusion at 2 contiguous levels of the lumbar spine...
December 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27879508/effect-of-an-annular-closure-device-barricaid-on-same-level-recurrent-disk-herniation-and-disk-height-loss-after-primary-lumbar-discectomy-two-year-results-of-a-multicenter-prospective-cohort-study
#11
Scott L Parker, Gordan Grahovac, Duje Vukas, Milorad Vilendecic, Darko Ledic, Matthew J McGirt, Eugene J Carragee
STUDY DESIGN: A prospective cohort study. OBJECTIVE: To evaluate whether an annular closure device could be implanted safely to reduce same-level recurrent disk herniation, or attenuate disk height loss and improve the outcome after lumbar discectomy. SUMMARY OF BACKGROUND DATA: Same-level recurrent disk herniation, disk height loss, and progressive degeneration are common complications and sequelae after lumbar discectomy. Techniques to reduce these consequences may improve outcomes...
December 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27826214/clinical-outcome-following-diam-implantation-for-symptomatic-lumbar-internal-disk-disruption-a-3-year-retrospective-analysis
#12
Kang Lu, Po-Chou Liliang, Hao-Kuang Wang, Jui-Sheng Chen, Te-Yuan Chen, Ruyi Huang, Han-Jung Chen
BACKGROUND/OBJECTIVE: Internal disk disruption (IDD), an early event of lumbar disk degeneration, is the most common cause of low back pain. Since increased intradiskal pressure (IDP) is associated with symptoms and progression of disk degeneration, unloading a painful disk with an interspinous process device (IPD) is a rational treatment option. The goal of this study was to evaluate the effectiveness of dynamic stabilization with an IPD in the treatment of symptomatic IDD of the lumbar spine...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27807886/the-expression-of-cytokine-and-its-significance-for-the-intervertebral-disks-of-kazakhs
#13
Miao Xiaogang, Hou Quanshan, Zhang Liping, Habaxi Kaken
BACKGROUND: Proinflammatory cytokine IL-6 and anti-inflammatory cytokine IL-10 are expressed in herniated intervertebral disks of Kazakhs, but their significance is not yet understood. METHODS: Specimens of herniated lumbar disk were collected from 30 patients with single disk herniation during lumbar discectomy. As a control, 10 specimens were collected postmortem from the cadavers of individuals who did not die from spinal disease. The clinical symptoms in all cases were evaluated preoperation by the JOA index...
September 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27755201/radiographic-adjacent-segment-degeneration-at-5-years-after-l4-5-posterior-lumbar-interbody-fusion-with-pedicle-screw-instrumentation-evaluation-by-computed-tomography-and-annual-screening-with-magnetic-resonance-imaging
#14
Shiro Imagama, Noriaki Kawakami, Yuji Matsubara, Taichi Tsuji, Tetsuya Ohara, Yoshito Katayama, Naoki Ishiguro, Tokumi Kanemura
STUDY DESIGN: Retrospective clinical study. OBJECTIVE: To investigate adjacent segment degeneration (ASD) at 5 years after L4/5 posterior lumbar interbody fusion with pedicle screw instrumentation and L4/5 decompression surgery using plain radiographs, computed tomography (CT), and magnetic resonance imaging (MRI), with the evaluation of annual changes on MRI. SUMMARY OF BACKGROUND DATA: Methods of evaluation have been inconsistent among studies of ASD...
November 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27742516/massive-lumbar-disk-herniation-following-therapeutic-water-boiling-of-the-lower-extremities-case-report-and-literature-review
#15
REVIEW
Aldo Spallone, Megi Çelniku
BACKGROUND: Legs burning for treating lumbar radicular pain are still in use nowadays in low socioeconomical environments. They are dangerous as the case we report shows clearly. CLINICAL CASE: A 49-year-old man came to our attention with severe flaccid paraparesis occurred 10 days before, almost immediately after he had immersed his legs in boiling water to treat his severe left lumbocrural pain. This was known to be due to a right L3/4 herniated disk diagnosed by magnetic resonance imaging...
January 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27661661/intervertebral-disc-repair-by-allogeneic-mesenchymal-bone-marrow-cells-a-randomized-controlled-trial
#16
RANDOMIZED CONTROLLED TRIAL
David C Noriega, Francisco Ardura, Rubén Hernández-Ramajo, Miguel Ángel Martín-Ferrero, Israel Sánchez-Lite, Borja Toribio, Mercedes Alberca, Verónica García, José M Moraleda, Ana Sánchez, Javier García-Sancho
BACKGROUND: Degenerative disc disease often causes severe low-back pain, a public health problem with huge economic and life quality impact. Chronic cases often require surgery, which may lead to biomechanical problems and accelerated degeneration of the adjacent segments. Autologous mesenchymal stromal cells (MSC) treatments have shown feasibility, safety and strong indications of clinical efficacy. We present here a randomized, controlled trial using allogeneic MSC, which are logistically more convenient than autologous cells...
August 2017: Transplantation
https://www.readbyqxmd.com/read/27630802/a-novel-minimally-invasive-approach-to-repair-degenerative-disk-disease-in-an-ovine-model-using-injectable-polymethyl-methacrylate-and-bovine-collagen-pmma-bc
#17
Reid Hoshide, Erica Feldman, Anisha Narayan, William Taylor
BACKGROUND: The natural, inflammatory repair processes of an injured intervertebral degenerative disc can propagate further injury and destruction. While there are many different treatment modalities of the pain related to degenerative disc disease, none are actually reparative in nature. Treatment strategies to repair a degenerative disc without inducing a destructive inflammatory milieu have been elusive.  PURPOSE: The purpose of this experiment is to discover the feasibility of reconstructing an injured intervertebral disc using an injected, inert polymer as the foundation for endogenous collagen growth...
August 8, 2016: Curēus
https://www.readbyqxmd.com/read/27567635/a-prospective-randomized-multicenter-phase-i-ii-clinical-trial-to-evaluate-safety-and-efficacy-of-novocart-disk-plus-autologous-disk-chondrocyte-transplantation-in-the-treatment-of-nucleotomized-and-degenerative-lumbar-disks-to-avoid-secondary-disease-safety
#18
RANDOMIZED CONTROLLED TRIAL
Anja Tschugg, Michael Diepers, Steinert Simone, Felix Michnacs, Sebastian Quirbach, Martin Strowitzki, Hans Jörg Meisel, Claudius Thomé
NOVOCART(®) Disk plus, an autologous cell compound for autologous disk chondrocyte transplantation, was developed to reduce the degenerative sequel after lumbar disk surgery or to prophylactically avoid degeneration in adjacent disks, if present. The NDisc trial is an ongoing multi-center, randomized study with a sequential phase I study within the combined phase I/II trial with close monitoring of tolerability and safety. Twenty-four adult patients were randomized and treated with the investigational medicinal product NDisc plus or the carrier material only...
January 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/27536737/rate-of-lumbar-paravertebral-muscle-fat-infiltration-versus-spinal-degeneration-in-asymptomatic-populations-an-age-aggregated-cross-sectional-simulation-study
#19
Rebecca J Crawford, Thomas Volken, Stephanie Valentin, Markus Melloh, James M Elliott
BACKGROUND: The spinal column including its vertebrae and disks has been well examined and extensively reported in relation to age-aggregated degeneration. In contrast, paravertebral muscles are poorly represented in describing normative degeneration. Increasing evidence points to the importance of paravertebral muscle quality in low back health, and their potential as a modifiable factor in low back pain (LBP). Studies examining normative decline of paravertebral muscles are needed to advance the field's etiological understanding...
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27505961/-biomechanical-analysis-on-the-correlation-between-iliac-rotation-displacement-and-l-4-5-disc-degeneration
#20
Ning-ning Shi, Guo-quan Shen, Shui-yong He, Ru-bao Guo
OBJECTIVE: To study the biomechanical relationship between iliac rotation displacement and L(4,5) disc degeneration, and to provide clinical evidences for the prevention and treatment of L(4,5) disc degeneration and herniation. METHODS: From March 2012 to February 2014,68 patients with lumbar disc herniation combined with sacroiliac joint disorders were selected. Among them, 42 patients with L(4,5) disc herniation combined with sacroiliac joint disorders included 22 males and 20 females, ranging in age from 19 to 63 years old, with an average of (51...
May 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
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