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https://www.readbyqxmd.com/read/28437513/prevalence-of-temporomandibular-disorders-in-the-northern-finland-birth-cohort-1966
#1
Päivi Jussila, Heikki Kiviahde, Ritva Näpänkangas, Jari Päkkilä, Paula Pesonen, Kirsi Sipilä, Pertti Pirttiniemi, Aune Raustia
AIMS: To investigate the prevalence of temporomandibular disorders (TMD) in the 46-year-old cohort subjects from the Northern Finland Birth Cohort 1966 (NFBC 1966). METHODS: Altogether, 1,962 subjects (1,050 women, 912 men) participated in a clinical medical and dental examination and responded to questionnaires in 2012 to 2013. The stomatognathic examination was performed according to a modified protocol of the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD)...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28436567/an-ultrastructural-study-of-chondroptosis-programmed-cell-death-in-degenerative-intervertebral-discs-in%C3%A2-vivo
#2
Li-Bo Jiang, Hai-Xiao Liu, Yu-Long Zhou, Sun-Ren Sheng, Hua-Zi Xu, En-Xing Xue
Apoptosis has been regarded to mediate intervertebral disc degeneration (IDD); however, the basic question of how the apoptotic bodies are cleared in the avascular intervertebral disc without phagocytes, which are essential to apoptosis, remains to be elucidated. Our goals were to investigate the ultrastructure of nucleus pulposus (NP) cells undergoing chondroptosis, a variant of apoptotic cell death, in a rabbit annular needle-puncture model of IDD. Experimental IDD was induced by puncturing discs with a 16-G needle in New Zealand rabbits...
April 24, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28435925/distal-junctional-failure-secondary-to-l5-vertebral-fracture-a-report-of-two-rare-cases
#3
Jiong Hao Tan, Kimberly-Anne Tan, Hwee Weng Dennis Hey, Hee-Kit Wong
Distal junctional failure (DJF) with fracture at the last instrumented vertebra is a rare occurrence. In this case report, we present two patients with L5 vertebral fracture post-instrumented fusion of the lumbar spine. The first patient is a 78-year-old female who had multi-level degenerative disc disease, spinal stenosis and degenerative scoliosis involving levels T12 to L5. She underwent instrumented posterolateral fusion (PLF) from T12 to L5, and transforaminal lumbar interbody fusion (TLIF) at L2/3 and L4/5...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28434048/clinical-and-radiological-outcomes-of-endoscopic-partial-facetectomy-for-degenerative-lumbar-foraminal-stenosis
#4
Myung Soo Youn, Jong Ki Shin, Tae Sik Goh, Jung Sub Lee
BACKGROUND: Several different techniques exist to treat degenerative lumbar foraminal stenosis. Failure to adequately decompress the lumbar foramen may lead to failed back surgery syndrome. However, wide decompression often causes spinal instabilities or may require an additional fusion surgery. The aim of this study was to report the outcomes of endoscopic partial facetectomy (EPF) performed on patients with degenerative lumbar foraminal stenosis. METHODS: Between 2012 and 2014, 25 consecutive patients (12 women and 13 men) who underwent EPF were included in the study...
April 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28433838/outcome-of-anterior-lumbar-interbody-fusion-a-retrospective-study-of-clinical-and-radiological-parameters
#5
H Pinson, G Hallaert, P Herregodts, K Everaert, T Couvreur, J Caemaert, J P Kalala, D Van Roost
OBJECTIVE: This study aims to critically evaluate the long-term results of stand-alone anterior lumbar interbody fusion (ALIF), without use of rhBMP-2, as a therapeutic option for symptomatic patients with degenerative disc disease (DDD). Furthermore this study intends to identify predictive parameters for anterior lumbar interbody fusion outcome. METHODS: A retrospective cohort study with additional telephone interview to obtain missing data was performed. All patients who underwent a L4-L5 and/or L5-S1 ALIF-procedure in the period between 2006 and 2011 were identified...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28431955/the-course-of-modic-vertebral-body-changes-after-posterolateral-lumbar-fusion-on-fused-and-adjacent-levels-a-systematic-review-of-the-literature
#6
REVIEW
Stella Taylor Portella, Marcus André Acioly
According to the original description by Modic et al., the natural course of bone marrow signal abnormalities is an inexorable, progressive one, however recent evidence has demonstrated in healthy individuals and those suffering from lumbar disc herniation that the course of endplate degenerative changes is rather dynamic and sometimes regressive. The evolution of such changes in lumbar fused segments and adjacent levels is largely unknown. The literature relevant to the course of Modic changes on fused and adjacent levels, as well as its clinical correspondence in patients undergoing posterolateral lumbar fusion was collected...
April 18, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28431805/lumbar-disc-degeneration-progression-in-young-women-in-their-20-s-a-prospective-ten-year-follow-up
#7
Hiroto Makino, Yoshiharu Kawaguchi, Shoji Seki, Masato Nakano, Taketoshi Yasuda, Kayo Suzuki, Shiro Ikegawa, Tomoatsu Kimura
BACKGROUND: Lumbar disc degeneration (LDD) is known to be the main cause of low back pain, although it is unclear how or when LDD progresses. The purpose of this study was to clarify the process and features of LDD progression in young women. METHODS: We enrolled 480 nursing students and carried out a prospective cohort study in 84 nursing students. MRI of the lumbar spine was taken once during their time as a student and again at 9.8 years (7-14) after the first MRI when they were working as nurses...
April 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28430387/age-related-reduction-in-the-expression-of-foxo-transcription-factors-and-correlations-with-intervertebral-disc-degeneration
#8
Oscar Alvarez-Garcia, Tokio Matsuzaki, Merissa Olmer, Koichi Masuda, Martin K Lotz
Aging is a main risk factor for intervertebral disc (IVD) degeneration, the main cause of low back pain. FOXO transcription factors are important regulators of tissue homeostasis and longevity. Here, we determined the expression pattern of FOXO in healthy and degenerated human IVD and the associations with IVD degeneration during mouse aging. FOXO expression was assessed by immunohistochemistry in normal and degenerated human IVD samples and in cervical and lumbar IVD from 6, 12, 24, and 36-month-old C57BL/6J mice...
April 21, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28427186/microrna-494-promotes-apoptosis-and-extracellular-matrix-degradation-in-degenerative-human-nucleus-pulposus-cells
#9
Liang Kang, Cao Yang, Yu Song, Kangcheng Zhao, Wei Liu, Wenbin Hua, Kun Wang, Ji Tu, Shuai Li, Huipeng Yin, Yukun Zhang
PURPOSE: This study investigated the expression and function of the microRNA-494 in intervertebral disc degeneration (IDD). RESULTS: MicroRNA-494 expression was upregulated during IDD progression; its overexpression increased the expression of ECM catabolic factors such as matrix metalloproteinase and A disintegrin and metalloproteinase with thrombospondin motif in NP cells while decreasing that of anabolic genes such as type II collagen and aggrecan; it also induced the apoptosis of NP cells, as determined by flow cytometry...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424050/in-the-quest-for-degenerative-lumbar-spinal-stenosis-etiology-the-schmorl-s-nodes-model
#10
Janan Abbas, Viviane Slon, Dan Stein, Natan Peled, Israel Hershkovitz, Kamal Hamoud
BACKGROUND: Degenerative lumbar spinal stenosis (DLSS) is a common health problem in the elderly and usually associated with three-joint complex degeneration. Schmorl's nodes (SNs) are described as vertical herniation of the disc into the vertebral body through a weakened part of the end plate that can lead to disc degeneration. Since SNs can harm the spine unit stability, the association between DLSS and SNs is expected. The aim of this study is to shed light on the relationship between degenerative lumbar spinal stenosis and SNs...
April 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28422837/multilevel-cervical-disc-replacement-versus-multilevel-anterior-discectomy-and-fusion-a-meta-analysis
#11
Ting-Kui Wu, Bei-Yu Wang, Yang Meng, Chen Ding, Yi Yang, Ji-Gang Lou, Hao Liu
BACKGROUND: Cervical disc replacement (CDR) has been developed as an alternative surgical procedure to anterior cervical discectomy and fusion (ACDF) for the treatment of single-level cervical degenerative disc disease. However, patients with multilevel cervical degenerative disc disease (MCDDD) are common in our clinic. Multilevel CDR is less established compared with multilevel ACDF. This study aims to compare the outcomes and evaluate safety and efficacy of CDR versus ACDF for the treatment of MCDDD...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28416834/-efficacy-of-transforaminal-endoscopic-nerve-root-decompression-in-the-treatment-of-degenerative-lumbar-spinal-stenosis
#12
Z R Yu, C D Li, S N Zhu, H L Sun, Y Zhao, L T Qi
OBJECTIVE: To evaluate the feasibility of transforaminal endoscopic nerve root decompression for degenerative lumbar spinal stenosis (DLSS). METHODS: From July 2011 to April 2016, 96 cases of single segment DLSS were involved. All the patients had unilateral lower extremity neurological symptoms, signs, neurogenic intermittent claudication of less than 500 m. Imaging examinations (CT or MRI) or diagnostic nerve root block confirmed single segment degeneration. The mean age was (71...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28416439/clinical-and-radiographic-outcomes-of-bilateral-decompression-via-a-unilateral-approach-with-transforaminal-lumbar-interbody-fusion-for-lumbar-degenerative-spondylolisthesis-with-stenosis
#13
Xiaofei Cheng, Kai Zhang, Xiaojiang Sun, Changqing Zhao, Hua Li, Bin Ni, Jie Zhao
Background context Laminectomy with posterior lumbar interbody fusion (PLIF) has been shown to achieve satisfactory clinical outcomes, but it leads to potential adverse consequences associated with extensive disruption of posterior bony and soft-tissue structures. Purpose To compare the clinical and radiographic outcomes of bilateral decompression via a unilateral approach (BDUA) with transforaminal lumbar interbody fusion (TLIF) and laminectomy with PLIF in the treatment of degenerative lumbar spondylolisthesis (DLS) with stenosis...
April 14, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28414608/mechanobehavioral-scores-in-women-with-and-without-tmj-disc-displacement
#14
L R Iwasaki, Y M Gonzalez, Y Liu, H Liu, M Markova, L M Gallo, J C Nickel
Cartilage fatigue may be a factor in the precocious development of degenerative changes in the temporomandibular joint (TMJ). This cross-sectional study estimated potential for cartilage fatigue via TMJ energy densities (ED) and jaw muscle duty factors (DF), which were combined to calculate mechanobehavioral scores (MBS) in women with (+) and without (-) bilateral TMJ disc displacement (DD). All subjects gave informed consent to participate and were examined using Diagnostic Criteria (DC) for Temporomandibular Disorders (TMD) and magnetic resonance (MR) and computed tomography (CT) images...
April 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28413490/noninvasive-cumulative-axial-load-may-induce-intervertebral-disc-degeneration-a-potential-rabbit-model
#15
Xuedong Bai, Deli Wang, Mingyue Zhou, Cheng Xu, Wei Li, Hui Tao, Qing He, Dike Ruan
Intervertebral disc degeneration (IDD) is considered to be the main cause of many spinal disorders; however, its underlying pathophysiology is not clearly understood. Recent studies indicate that excessive mechanical loading may serve a major role in the initiation of IDD. The aim of the present study was to explore the effect of noninvasive cumulative axial loading on the intervertebral discs of the lumbar spine using a novel rabbit model. Rabbits in the experimental group were placed into individual tubes specifically designed to force maintenance of an upright posture and were loaded with a heavy collar to increase the intradiscal pressure of their lumbar spine...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28409199/disc-degeneration-on-mri-is-more-prevalent-in-young-elite-skiers-compared-to-controls
#16
Wisam A Witwit, Peter Kovac, Anna Sward, Cecilia Agnvall, Carl Todd, Olof Thoreson, Hanna Hebelka, Adad Baranto
PURPOSE: Evidence-based facts regarding spine abnormalities and back pain are needed in order to develop rehabilitation programs and prevent spine injuries in young skiers. The aim therefore is to identify MRI changes in the thoraco-lumbar spine and the lifetime prevalence of back pain, as well as the association between them, in young skiers compared to non-athletes. METHODS: Seventy-five young elite alpine and mogul skiers, age range 16-20 years, were compared with 27 non-athletic controls...
April 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28400659/does-lumbar-paraspinal-muscles-improve-after-corrective-fusion-surgery-in-degenerative-flat-black
#17
Jung Hwan Lee, Sang-Ho Lee
BACKGROUND: Degenerative flat back (DFB) is characterized by sagittal imbalance resulting from the loss of lumbar lordosis (LL). Extensive degeneration and weakness of lumbar paraspinal extensor muscle (PSE) are thought to be the main cause of DFB. This study is to evaluate correlation between preoperative PSE conditions and angular severity of DFB and to evaluate correlation between preoperative PSE conditions and degree of improvement of DFB obtained by corrective surgery. MATERIALS AND METHODS: Forty five patients with DFB who took magnetic resonance image (MRI) preoperatively and conducted simple radiography and three-dimensional gait analysis before and 6 months after corrective surgery were included...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28398504/degenerative-inter-vertebral-disc-disease-osteochondrosis-intervertebralis-in-europe-prevalence-geographic-variation-and-radiological-correlates-in-men-and-women-aged-50-and-over
#18
Gabriele Armbrecht, Dieter Felsenberg, Melanie Ganswindt, Mark Lunt, Stephen K Kaptoge, Klaus Abendroth, Antonio Aroso Dias, Ashok K Bhalla, Jorge Cannata Andia, Jan Dequeker, Richard Eastell, Krzysztof Hoszowski, George Lyritis, Pavol Masaryk, Joyce van Meurs, Tomasz Miazgowski, Ranuccio Nuti, Gyula Poór, Inga Redlund-Johnell, David M Reid, Helmut Schatz, Christopher J Todd, Anthony D Woolf, Fernando Rivadeneira, Muhammad K Javaid, Cyrus Cooper, Alan J Silman, Terence W O'Neill, Jonathan Reeve
Objectives.: To assess the prevalences across Europe of radiological indices of degenerative inter-vertebral disc disease (DDD); and to quantify their associations with, age, sex, physical anthropometry, areal BMD (aBMD) and change in aBMD with time. Methods.: In the population-based European Prospective Osteoporosis Study, 27 age-stratified samples of men and women from across the continent aged 50+ years had standardized lateral radiographs of the lumbar and thoracic spine to evaluate the severity of DDD, using the Kellgren-Lawrence (KL) scale...
April 7, 2017: Rheumatology
https://www.readbyqxmd.com/read/28392965/mechanosignaling-activation-of-tgf%C3%AE-maintains-intervertebral-disc-homeostasis
#19
Qin Bian, Lei Ma, Amit Jain, Janet L Crane, Khaled Kebaish, Mei Wan, Zhengdong Zhang, X Edward Guo, Paul D Sponseller, Cheryle A Séguin, Lee H Riley, Yongjun Wang, Xu Cao
Intervertebral disc (IVD) degeneration is the leading cause of disability with no disease-modifying treatment. IVD degeneration is associated with instable mechanical loading in the spine, but little is known about how mechanical stress regulates nucleus notochordal (NC) cells to maintain IVD homeostasis. Here we report that mechanical stress can result in excessive integrin αvβ6-mediated activation of transforming growth factor beta (TGFβ), decreased NC cell vacuoles, and increased matrix proteoglycan production, and results in degenerative disc disease (DDD)...
2017: Bone Research
https://www.readbyqxmd.com/read/28392887/ros-crucial-intermediators-in-the-pathogenesis-of-intervertebral-disc-degeneration
#20
REVIEW
Chencheng Feng, Minghui Yang, Minghong Lan, Chang Liu, Yang Zhang, Bo Huang, Huan Liu, Yue Zhou
Excessive reactive oxygen species (ROS) generation in degenerative intervertebral disc (IVD) indicates the contribution of oxidative stress to IVD degeneration (IDD), giving a novel insight into the pathogenesis of IDD. ROS are crucial intermediators in the signaling network of disc cells. They regulate the matrix metabolism, proinflammatory phenotype, apoptosis, autophagy, and senescence of disc cells. Oxidative stress not only reinforces matrix degradation and inflammation, but also promotes the decrease in the number of viable and functional cells in the microenvironment of IVDs...
2017: Oxidative Medicine and Cellular Longevity
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