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Lumbar chronic pain

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https://www.readbyqxmd.com/read/29156985/isolated-lumbar-extension-resistance-training-improves-strength-pain-and-disability-but-not-spinal-height-or-shrinkage-creep-in-participants-with-chronic-low-back-pain
#1
James Steele, Stewart Bruce-Low, Dave Smith, David Jessop, Neil Osborne
OBJECTIVE: Loss of disc height is commonly associated with chronic low back pain (CLBP). Isolated lumbar extension (ILEX) exercise for the lumbar extensors is recommended to treat CLBP and is suggested such exercise might promote disc healing and regeneration. This study examined a 12-week ILEX intervention on indirect determination of disc height and shrinkage through seated stadiometry, strength, pain, and disability. DESIGN: A quasi-experimental wait-list controlled design was used...
February 1, 2017: Cartilage
https://www.readbyqxmd.com/read/29155323/the-role-of-p2x7r-erk-signaling-in-dorsal-root-ganglia-satellite-glial-cells-in-the-development-of-chronic-postsurgical-pain-induced-by-skin-muscle-incision-and-retraction-smir
#2
Jingnian Song, Yanlu Ying, Wei Wang, Xianguo Liu, Xuebing Xu, Xuhong Wei, Xiangcai Ruan
The mechanisms of chronic postsurgical pain remain to be elucidated.. We reported here that skin/muscle incision and retraction (SMIR), a rat model of postsurgical pain, phosphorylated the extracellular regulated protein kinases (ERK) signaling components c-Raf, MEK (ERK kinase) and ERK1/2 in lumbar 3 dorsal root ganglion (L3 DRG) in rats. Intrathecal injection of ERK specific inhibitor SCH772984 suppressed the mechanical allodynia induced by SMIR. Further more, SMIR upregulated tumor necrosis factor alpha (TNFα) in L3 DRG, which could be inhibited by SCH772984...
November 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29151051/subclinical-propionibacterium-acnes-infection-estimation-in-the-intervertebral-disc-spine-id-protocol-for-a-prospective-cohort
#3
Nelson Astur, Delio E Martins, Marcelo Wajchenberg, Mario Ferretti, Fernando G Menezes, Andre M Doi, Laercio A Rosemberg, Durval C B Santos, Alexandre S Iutaka, Luciano M R Rodrigues, Marines D V Martino, Jorge R Pagura, Eduardo N Kihara Filho, Mario Lenza
INTRODUCTION: Low back pain and vertebral endplate abnormalities are common conditions within the population. Subclinical infection caused by indolent pathogens can potentially lead to these findings, with differentiation between them notably challenging from a clinical perspective. Progressive infection of the intervertebral disc has been extensively associated with increasing low back pain, with Propionibacterium acnes specifically implicated with in relation to sciatica. The main purpose of this study is to identify if the presence of an infective pathogen within the intervertebral disc is primary or is a result of intraoperative contamination, and whether this correlates to low back pain...
November 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/29141662/safety-and-tolerability-of-intradiscal-implantation-of-combined-autologous-adipose-derived-mesenchymal-stem-cells-and-hyaluronic-acid-in-patients-with-chronic-discogenic-low-back-pain-1-year-follow-up-of-a-phase-i-study
#4
Hemant Kumar, Doo-Hoe Ha, Eun-Jong Lee, Jun Hee Park, Jeong Hyun Shim, Tae-Keun Ahn, Kyoung-Tae Kim, Alexander E Ropper, Seil Sohn, Chung-Hun Kim, Devang Kashyap Thakor, Soo-Hong Lee, In-Bo Han
BACKGROUND: Adipose tissue-derived mesenchymal stem cells (AT-MSCs) offer potential as a therapeutic option for chronic discogenic low back pain (LBP) because of their immunomodulatory functions and capacity for cartilage differentiation. The goal of this study was to assess the safety and tolerability of a single intradiscal implantation of combined AT-MSCs and hyaluronic acid (HA) derivative in patients with chronic discogenic LBP. METHODS: We performed a single-arm phase I clinical trial with a 12-month follow-up and enrolled 10 eligible chronic LBP patients...
November 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29128293/test-retest-reliability-of-sit-to-stand-and-stand-to-sit-analysis-in-people-with-and-without-chronic-non-specific-low-back-pain
#5
Mohammad Reza Pourahmadi, Ismail Ebrahimi Takamjani, Shapour Jaberzadeh, Javad Sarrafzadeh, Mohammad Ali Sanjari, Rasool Bagheri, Elham Jannati
BACKGROUND: Sit-to-stand (STD) and stand-to-sit (SIT) analysis can provide information on functional independence in daily activities in patients with low back pain (LBP). However, in order for measurements to be clinically useful, data on psychometric properties should be available. OBJECTIVES: The main purpose was to investigate intra-rater reliability of STD and SIT tasks in participants with and without chronic non-specific LBP (CNLBP). The second purpose was to detect any differences in lumbar spine and hips sagittal plane kinematics and coordination between asymptomatic individuals and CNLBP patients during STD and SIT...
November 6, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/29127316/exercise-induced-changes-in-cerebrospinal-fluid-mirnas-in-gulf-war-illness-chronic-fatigue-syndrome-and-sedentary-control-subjects
#6
James N Baraniuk, Narayan Shivapurkar
Gulf War Illness (GWI) and Chronic Fatigue Syndrome (CFS) have similar profiles of pain, fatigue, cognitive dysfunction and exertional exhaustion. Post-exertional malaise suggests exercise alters central nervous system functions. Lumbar punctures were performed in GWI, CFS and control subjects after (i) overnight rest (nonexercise) or (ii) submaximal bicycle exercise. Exercise induced postural tachycardia in one third of GWI subjects (Stress Test Activated Reversible Tachycardia, START). The remainder were Stress Test Originated Phantom Perception (STOPP) subjects...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29114516/comparative-effectiveness-of-lumbar-stabilization-dynamic-strengthening-and-pilates-on-chronic-low-back-pain-randomized-clinical-trial
#7
Esha A Bhadauria, Peeyoosha Gurudut
The aim of the present study was to compare three different forms of exercises namely lumbar stabilization, dynamic strengthening, and Pilates on chronic low back pain (LBP) in terms of pain, range of motion, core strength and function. In this study, 44 subjects suffering from non-specific LBP for more than 3 months were randomly allocated into the lumbar stabilization group, the dynamic strengthening group, and the Pilates group. Ten sessions of exercises for 3 weeks were prescribed along with interferential current and hot moist pack...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29113923/effects-of-spinal-non-viral-interleukin-10-gene-therapy-formulated-with-d-mannose-in-neuropathic-interleukin-10-deficient-mice-behavioral-characterization-mrna-and-protein-analysis-in-pain-relevant-tissues
#8
Arden G Vanderwall, Shahani Noor, Melody S Sun, Jacob E Sanchez, Xuexian O Yang, Lauren L Jantzie, Nikolaos Mellios, Erin D Milligan
Studies show that spinal (intrathecal; i.t.) interleukin-10 (IL-10) gene therapy reverses neuropathic pain in animal models, and co-administration with the mannose receptor (MR; CD206) ligand d-mannose (DM) greatly improves therapeutic efficacy. However, the actions of endogenous IL-10 may be required for enduring pain control observed following i.t. IL-10 gene therapy, potentially narrowing the application of this non-viral transgene delivery approach. Here, we show that i.t. application of naked plasmid DNA expressing the IL-10 transgene co-injected with DM (DM/pDNA-IL-10) for the treatment of peripheral neuropathic pain in IL-10 deficient (IL-10 KO) mice results in a profound and prolonged bilateral pain suppression...
November 4, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29110049/diagnostic-accuracy-of-low-dose-versus-ultra-low-dose-ct-for-lumbar-disc-disease-and-facet-joint-osteoarthritis-in-patients-with-low-back-pain-with-mri-correlation
#9
Sun Hwa Lee, Seong Jong Yun, Hyeon Hwan Jo, Dong Hyeon Kim, Jae Gwang Song, Yong Sung Park
OBJECTIVE: To compare the image quality, radiation dose, and diagnostic performance between low-dose (LD) and ultra-low-dose (ULD) lumbar-spine (L-spine) CT with iterative reconstruction (IR) for patients with chronic low back pain (LBP). METHODS: In total, 260 patients with chronic LBP who underwent L-spine CT between November 2015 and September 2016 were prospectively enrolled. Of these, 143 underwent LD-CT with IR and 117 underwent ULD-CT with IR. The patients were divided according to their body mass index (BMI) into BMI1 (<22...
November 6, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29106681/common-missense-variant-of-scn9a-gene-is-associated-with-pain-intensity-in-patients-with-chronic-pain-from-disc-herniation
#10
Mateusz Kurzawski, Marcin Rut, Violetta Dziedziejko, Krzysztof Safranow, Anna Machoy-Mokrzynska, Marek Drozdzik, Monika Bialecka
Objective: Lumbar intervertebral disk herniation (LDH) is considered one of the major risk factors for lower back pain, mainly caused by irritation of a spinal nerve or its root. One of the genes related to pain perception is SCN9A, which encodes the voltage gated sodium channel NaV1.7, a key molecule involved in peripheral pain processing. It had been presented before that a common polymorphism within SCN9A (rs6746030: G > A, R1150W) might influence nociception in the general population...
November 2, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29103126/lumbar-total-disc-replacement-predictors-for-long-term-outcome
#11
Håvard Furunes, Christian Hellum, Jens Ivar Brox, Ivar Rossvoll, Ansgar Espeland, Linda Berg, Helga Maria Brøgger, Milada Cvancarova Småstuen, Kjersti Storheim
PURPOSE: We aimed to identify patient characteristics associated with favourable long-term outcomes after lumbar total disc replacement (TDR). METHODS: We analysed a cohort of 82 patients with degenerative disc and chronic low back pain (LBP) who were treated with TDR and originally participated in a randomised trial comparing TDR and multidisciplinary rehabilitation. Potential predictors were measured at baseline, and the outcomes assessed 8 years after they received allocated treatment...
November 4, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29099857/knockout-of-apolipoprotein-e-in-rabbit-promotes-premature-intervertebral-disc-degeneration-a-new-in-vivo-model-for-therapeutic-approaches-of-spinal-disc-disorders
#12
Anja Beierfuß, Hermann Dietrich, Christian Kremser, Monika Hunjadi, Andreas Ritsch, Thomas Rülicke, Claudius Thomé, Demissew Shenegelegn Mern
Intervertebral disc (IVD) degeneration that accelerates the loss of disc structural and functional integrities is recognized as one of the major factors of chronic back pain. Cardiovascular risk factors, such as deficits of apolipoproteins that elevate the levels of cholesterol and triglycerides, are considered critical for the progress of atherosclerosis; notably in the abdominal aorta and its lumbar branching arteries that supply lumbar vertebrae and IVDs. Obstruction of the lumbar arteries by atherosclerosis is presumed to promote lumbar disc degeneration and low back pain...
2017: PloS One
https://www.readbyqxmd.com/read/29097954/redundant-nerve-root-in-a-patient-with-chronic-lumbar-degenerative-canal-stenosis
#13
Federico E Villafañe, Allison Harvey, Norman Kettner
Objective: The purpose of this case report is to describe the diagnostic imaging features of redundant nerve roots caused by chronic lumbar degenerative canal stenosis (CLDCS). Clinical Features: A 56-year-old male presented with severe low back pain. He experienced pain during minimal active lumbar range of motion. The patient demonstrated weakness of the right iliopsoas and hypoesthesia of the L-2 dermatome. A working diagnosis of CLDCS was established. The patient's worsening severe low back pain warranted magnetic resonance imaging of the lumbar spine, which was performed for further evaluation...
September 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/29093785/a-preliminary-study-of-the-objective-measurement-of-compliance-rates-for-semirigid-lumbar-support-use-in-patients-with-chronic-nonspecific-low-back-pain-how-important-is-the-compliance-rate
#14
Maryam Hekmatfard, Mohammad Ali Sanjari, Nader Maroufi, Hassan Saeedi, Esmail Ebrahimi, Hamid Behtash
Study Design: Clinical pilot study. Purpose: To objectively evaluate the compliance rate of lumbar-support use in patients with chronic nonspecific low back pain, as well as to assess low back pain intensity, disability, and fear-avoidance beliefs. Overview of Literature: Wearing time is an important factor in the assessment of the efficacy of lumbar-support use in patients with chronic nonspecific low back pain. Previous studies have measured lumbar-support wearing time based on subjective assessment, and these evaluations are not easily verifiable and are usually overestimated by subjects...
October 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/29075135/dnmt3a-methylation-in-neuropathic-pain
#15
Cuijie Shao, Yong Gao, Dan Jin, Xin Xu, Shuying Tan, Hui Yu, Qingxiang Zhao, Li Zhao, Wansheng Wang, Deqiang Wang
BACKGROUND: Mu opioid receptor (MOR) plays a crucial role in mediating analgesic effects of opioids and is closely associated with the pathologies of neuropathic pain. Previous studies have reported that peripheral nerve injury downregulates MOR expression, but the epigenetic mechanisms remain unknown. OBJECTIVE: Therefore, we investigated DNA methyltransferase3a (DNMT3a) expression or methylation changes within MOR promoter in the spinal cord in a neuropathic pain induced by a chronic constriction injury (CCI) mouse model and further determined whether these injury-associated changes are reversible by pharmacological interventions...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29073499/management-of-major-vascular-injury-during-pedicle-screw-instrumentation-of-thoracolumbar-spine
#16
Aleem K Mirza, Mohammed Ali Alvi, Ryan M Naylor, Panagiotis Kerezoudis, William E Krauss, Michelle J Clarke, Daniel L Shepherd, Ahmad Nassr, Randall R DeMartino, Mohamad Bydon
OBJECTIVES: Vascular injury is a rare complication of spinal instrumentation. Presentation can vary from immediate hemorrhage to pseudoaneurysm formation. In the literature, surgical approach to repair has varied based on anatomy, acuity of diagnosis, infection, and available technology. In this manuscript, we aim to describe our institutional experience with vascular injuries in thoraco-lumbar spine surgery. PATIENTS AND METHODS: We report our institutional experience of three cases of vascular injury secondary to pedicle screw misplacement and their management, as well as a review of the literature...
October 16, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29057364/pemlif-a-tale-of-two-stories
#17
Raja K Kutty, Balakrishnan Sreemathyamma Sunilkumar, Anilkumar Peethambaran, Sourabh Kumar Jain, Shailesh Kumar
Intervertebral disc prolapse is a common cause of both acute and chronic low back pain. This can result in differential grades of motor and sensory disturbances in lower limbs and even cauda equina syndrome (CES). The neurological manifestations are a result of compression of the spinal cord and roots ventrally in the spinal canal due to the prolapsed disc. However, neurologic deficits owing to compression of the spinal cord dorsally as a result of migration of sequestrated disc fragments are very rare. We present two different cases of back pain with severe neurologic deficit referred to us within a short span of one month...
September 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29055716/attenuation-of-mechanical-pain-hypersensitivity-by-treatment-with-peptide5-a-connexin-43-mimetic-peptide-involves-inhibition-of-nlrp3-inflammasome-in-nerve-injured-mice
#18
Ryan S Tonkin, Callum Bowles, Chamini J Perera, Brooke A Keating, Preet G S Makker, Samuel S Duffy, Justin G Lees, Collin Tran, Anthony S Don, Thomas Fath, Lu Liu, Simon J O'Carroll, Louise F B Nicholson, Colin R Green, Catherine Gorrie, Gila Moalem-Taylor
Connexin43 (Cx43) hemichannels in spinal cord astrocytes are implicated in the maintenance of neuropathic pain following peripheral nerve injury. Peptide5 is a Cx43 mimetic peptide that blocks hemichannels. In this study, we investigated the effects of spinal delivery of Peptide5 on mechanical pain hypersensitivity in two mouse models of neuropathic pain, peripheral nerve injury and chemotherapy-induced peripheral neuropathy (CIPN). We demonstrated that 10days following a chronic constriction injury (CCI) of the sciatic nerve, Cx43 expression, co-localised predominantly with astrocytes, was increased in the ipsilateral L3-L5 lumbar spinal cord...
October 18, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29053676/laminotomy-for-lumbar-dorsal-root-ganglion-access-and-injection-in-swine
#19
Mark D Unger, Timothy P Maus, Ross C Puffer, Laura K Newman, Bradford L Currier, Andreas S Beutler
Dorsal root ganglia (DRG) are anatomically well defined structures that contain all primary sensory neurons below the head. This fact makes DRG attractive targets for injection of novel therapeutics aimed at treating chronic pain. In small animal models, laminectomy has been used to facilitate DRG injection because it involves surgical removal of the vertebral bone surrounding each DRG. We demonstrate a technique for intraganglionic injection of lumbar DRG in a large animal species, namely, swine. Laminotomy is performed to allow direct access to DRG using standard neurosurgical techniques, instruments, and materials...
October 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29042816/incidence-and-predictive-factors-of-spinal-cord-stimulation-treatment-after-lumbar-spine-surgery
#20
Merja Vakkala, Voitto Järvimäki, Hannu Kautiainen, Maija Haanpää, Seppo Alahuhta
INTRODUCTION: Spinal cord stimulation (SCS) is recommended for the treatment of postsurgical chronic back and leg pain refractory to other treatments. We wanted to estimate the incidence and predictive factors of SCS treatment in our lumbar surgery cohort. PATIENTS AND METHODS: Three questionnaires (a self-made questionnaire, the Oswestry Low Back Pain Disability Questionnaire, and the Beck Depression Inventory) were sent to patients aged 18-65 years with no contraindications for the use of SCS, and who had undergone non-traumatic lumbar spine surgery in the Oulu University Hospital between June 2005 and May 2008...
2017: Journal of Pain Research
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