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Lumbar disc

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https://www.readbyqxmd.com/read/28091825/preoperative-sport-improves-the-outcome-of-lumbar-disc-surgery-a-prospective-monocentric-cohort-study
#1
Anja Tschugg, Sara Lener, Sebastian Hartmann, Matthias Wildauer, Wolfgang N Löscher, Sabrina Neururer, Claudius Thomé
A lumbar disc herniation resulting in surgery may be an incisive event in a patient's everyday life. The patient's recovery after sequestrectomy may be influenced by several factors. There is evidence that regular physical activity can lower pain perception and improve the outcome after surgery. For this purpose, we hypothesized that patients performing regular sports prior to lumbar disc surgery might have less pain perception and disability thereafter. Fifty-two participants with a single lumbar disc herniation confirmed on MRI treated by a lumbar sequestrectomy were included in the trial...
January 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28091818/lumbar-microdiscectomy-for-sciatica-in-adolescents-a-multicentre-observational-registry-based-study
#2
Sasha Gulati, Mattis A Madsbu, Tore K Solberg, Andreas Sørlie, Charalampis Giannadakis, Marius K Skram, Øystein P Nygaard, Asgeir S Jakola
BACKGROUND: Lumbar disc herniation (LDH) is rare in the adolescent population. Factors predisposing to LDH in adolescents differ from adults with more cases being related to trauma or structural malformations. Further, there are limited data on patient-reported outcomes after lumbar microdiscectomy in adolescents. Our aim was to compare clinical outcomes at 1 year following single-level lumbar microdiscectomy in adolescents (13-19 years old) compared to younger adults (20-50 years old) with LDH...
January 16, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28090450/quantitative-magnetic-resonance-imaging-of-the-lumbar-intervertebral-discs
#3
REVIEW
Dosik Hwang, Sewon Kim, Nirusha A Abeydeera, Sheronda Statum, Koichi Masuda, Christine B Chung, Palanan Siriwanarangsun, Won C Bae
Human lumbar spine is composed of multiple tissue components that serve to provide structural stability and proper nutrition. Conventional magnetic resonance (MR) imaging techniques have been useful for evaluation of IVD, but inadequate at imaging the discovertebral junction and ligamentous tissues due primarily to their short T2 nature. Ultrashort time to echo (UTE) MR techniques acquire sufficient MR signal from these short T2 tissues, thereby allowing direct and quantitative evaluation. This article discusses the anatomy of the lumbar spine, MR techniques available for morphologic and quantitative MR evaluation of long and short T2 tissues of the lumbar spine, considerations for T2 relaxation modeling and fitting, and existing and new techniques for spine image post-processing, focusing on segmentation...
December 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28089899/progression-incidence-and-risk-factors-for-intervertebral-disc-degeneration-in-a-longitudinal-population-based-cohort-the-wakayama-spine-study
#4
Masatoshi Teraguchi, Noriko Yoshimura, Hiroshi Hashizume, Hiroshi Yamada, Hiroyuki Oka, Akihito Minamide, Keiji Nagata, Yuyu Ishimoto, Ryohei Kagotani, Hiroshi Kawaguchi, Sakae Tanaka, Toru Akune, Kozo Nakamura, Shigeyuki Muraki, Munehito Yoshida
OBJECTIVE: The present study examined the progression, incidence, and risk factors for intervertebral disc degeneration (DD) throughout the lumbar spine using magnetic resonance imaging (MRI) in a large population-based cohort. METHODS: We followed up 617 subjects for more than 4 years as part of the Wakayama Spine Study. 1) "Progression of DD" in each of the entire, upper (L1/2 to L3/4) and lower (L4/5 and L5/S1) lumbar spine was defined as Pfirrmann grade progression at follow-up in at least one disc in the affected region...
January 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28087395/lumbar-spinal-muscles-and-spinal-canal-study-by-mri-three-dimensional-reconstruction-in-adult-lumbar-spinal-stenosis
#5
Louis Boissière, Bertrand Moal, Olivier Gille, Elise De-Roquefeuil, Muriel Durieux, Ibrahim Obeid, Vincent Dousset, Jean-Marc Vital, Wafa Skalli
BACKGROUND: Lumbar spinal stenosis is degenerative disc disease most common manifestation. If stenosis degree seems poorly related to symptom severity, lumbar muscles role is recognized. Many studies report imaging methods, to analyze muscle volumes and fat infiltration (FI), but remain limited due to the difficulty to represent entire muscle volume variability. Recently a 3D muscle reconstruction protocol (using the deformation of a parametric specific object method (DPSO) and three point Dixon images) was reported...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28081267/single-nucleotide-variants-of-candidate-genes-in-aggrecan-metabolic-pathway-are-associated-with-lumbar-disc-degeneration-and-modic-changes
#6
Romain Shanil Perera, Poruwalage Harsha Dissanayake, Upul Senarath, Lalith Sirimevan Wijayaratne, Aranjan Lional Karunanayake, Vajira Harshadeva Weerabaddana Dissanayake
INTRODUCTION: Lumbar disc degeneration (LDD) is genetically determined and severity of LDD is associated with Modic changes. Aggrecan is a major proteoglycan in the intervertebral disc and end plate. Progressive reduction of aggrecan is a main feature of LDD and Modic changes. OBJECTIVES: The study investigated the associations of single nucleotide variants (SNVs) of candidate genes in the aggrecan metabolic pathway with the severity of LDD and Modic changes. In-silico functional analysis of significant SNVs was also assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28075521/association-between-adolescent-sport-activities-and-lumbar-disc-degeneration-among-young-adults
#7
Jani Takatalo, Jaro Karppinen, Simo Näyhä, Simo Taimela, Jaakko Niinimäki, Roberto Blanco Sequeiros, Tuija Tammelin, Juha Auvinen, Osmo Tervonen
The relationship between different sport activities and lumbar intervertebral disc degeneration (DD) is largely unknown. We evaluated whether adolescent participation in different sports is associated with lumbar DD in a population-based birth cohort of young adults. A total of 558 young adults (325 females and 233 males) underwent magnetic resonance imaging (MRI, 1.5-T scanner). A DD sum score, based on the Pfirrmann grading, was calculated for all lumbar levels. The sum score was categorized into no DD, 1, 2, or at least 3...
January 11, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28074438/is-there-variation-in-procedural-utilization-for-lumbar-spine-disorders-between-a-fee-for-service-and-salaried-healthcare-system
#8
Andrew J Schoenfeld, Heeren Makanji, Wei Jiang, Tracey Koehlmoos, Christopher M Bono, Adil H Haider
BACKGROUND: Whether compensation for professional services drives the use of those services is an important question that has not been answered in a robust manner. Specifically, there is a growing concern that spine care practitioners may preferentially choose more costly or invasive procedures in a fee-for-service system, irrespective of the underlying lumbar disorder being treated. QUESTIONS/PURPOSES: (1) Were proportions of interbody fusions higher in the fee-for-service setting as opposed to the salaried Department of Defense setting? (2) Were the odds of interbody fusion increased in a fee-for-service setting after controlling for indications for surgery? METHODS: Patients surgically treated for lumbar disc herniation, spinal stenosis, and spondylolisthesis (2006-2014) were identified...
January 10, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28073036/does-preoperative-oral-carbohydrate-treatment-reduce-the-postoperative-surgical-stress-response-in-lumbar-disc-surgery
#9
Ozlem Korkmaz Dilmen, Ercument Yentur, Yusuf Tunali, Huriye Balci, Mois Bahar
OBJECTIVES: Surgical trauma produces metabolic and hormonal responses, which are characterized by insulin resistance. Due to extension of the preoperative fasting period, which increases the magnitude of postoperative insulin resistance, preoperative oral carbohydrates (POC) have been developed. PATIENTS AND METHODS: This prospective, randomized, controlled study was performed on 43 ASA I-II patients undergoing elective microsurgical lumbar discectomy. The intervention group received oral carbohydrate solution 800mL the night before and 400mL 2h prior to operation...
December 29, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28072806/endoscopic-spine-surgery-distance-patients-will-travel-for-minimally-invasive-spine-surgery
#10
Albert E Telfeian, Menno Iprenburg, Ralf Wagner
BACKGROUND: Transforaminal lumbar endoscopic discectomy is a minimally invasive spine surgery procedure performed principally for the treatment of lumbar herniated discs. Endoscopic spine surgeons around the world have noted how far patients will travel to undergo this minimally invasive spine surgery, but the actual distance patients travel has never been investigated. OBJECTIVE: We present here our analysis of how far patients will travel for endoscopic spine surgery by studying the referral patterns of patients to 3 centers in 3 different countries...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28072800/modified-percutaneous-lumbar-foraminoplasty-and-percutaneous-endoscopic-lumbar-discectomy-instrument-design-technique-notes-and-5-years-follow-up
#11
Zhen-Zhou Li, Shu-Xun Hou, Wei-Lin Shang, Ke-Ran Song, Hong-Liang Zhao
BACKGROUND: Conventional percutaneous endoscopic lumbar discectomy (PELD) with an "inside-outside" technique has 4.3% - 10.3% surgical failure rate, especially in central herniated discs (HDs), migrated HDs, and axillary type HDs. PELD with foraminoplasty has been used for complex HDs. Percutaneous lumbar foraminoplasty (PLF), which is performed with a trephine or bone reamer introduced over a guidewire without a protective working cannula in the original Tessys technique, can quickly cut the hypertrophied bony structure under fluoroscopic guidance, and risk injury to the exiting and traversing nerve roots...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28072799/percutaneous-endoscopic-lumbar-discectomy-for-highly-migrated-lumbar-disc-herniation
#12
Chao Liu, Lei Chu, Hao-Chuan Yong, Liang Chen, Zhong-Liang Deng
BACKGROUND: Percutaneous endoscopic lumbar discectomy (PELD) has been growing in popularity for the treatment of lumbar disc herniation (LDH) due to its irreplaceable advantages over conventional open surgery. Compared with common lumbar disc herniations, discectomy of highly migrated LDH by PELD is known to be very difficult. Highly migrated lumbar disc herniation has long been a challenge for its specific characteristics. Three approaches for PELD have been applied to access a highly migrated LDH, including an interlaminar approach (IL), transforaminal approach (TF), and contralateral transforaminal approach (CTF)...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28072796/incidence-of-spontaneous-resorption-of-lumbar-disc-herniation-a-meta-analysis
#13
Ming Zhong, Jin-Tao Liu, Hong Jiang, Wen Mo, Peng-Fei Yu, Xiao-Chun Li, Rui Rui Xue
BACKGROUND: Lumbar disc herniation (LDH), a common disease, is often treated conservatively, frequently resulting in spontaneous resorption of the herniated disc. The incidence of this phenomenon, however, remains unknown. OBJECTIVE: To analyze the incidence of spontaneous resorption after conservative treatment of LDH using computed tomography and magnetic resonance imaging. STUDY DESIGN: Meta-analysis and systematic review of cohort studies...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28065371/real-t1-relaxation-time-measurement-and-diurnal-variation-analysis-of-intervertebral-discs-in-a-healthy-population-of-50-volunteers
#14
J Galley, G Maestretti, G Koch, H-M Hoogewoud
PURPOSE: To measure the real T1 relaxation time of the lumbar intervertebral discs in a young and healthy population, using different inversion recovery times, and assess diurnal variation. MATERIAL AND METHODS: Intervertebral discs from D12 to S1 of 50 healthy volunteers from 18 to 25 years old were evaluated twice the same day, in the morning and in the late afternoon. Dedicated MRI sequences with different inversion recovery times (from 100 to 2500ms) were used to calculate the real T1 relaxation time...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28062121/instantaneous-centers-of-rotation-for-lumbar-segmental-extension-in-vivo
#15
Ameet Aiyangar, Liying Zheng, William Anderst, Xudong Zhang
The study aimed to map instantaneous centers of rotation (ICRs) of lumbar motion segments during a functional lifting task and examine differences across segments and variations caused by magnitude of weight lifted. Eleven healthy participants lifted loads of three different magnitudes (4.5, 9, and 13.5kg) from a trunk-flexed (~75°) to an upright position, while being imaged by a dynamic stereo X-ray (DSX) system. Tracked lumbar vertebral (L2-S1) motion data were processed into highly accurate 6DOF intervertebral (L2L3, L3L4, L4L5, L5S1) kinematics...
December 29, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/28061491/role-of-expression-of-inflammatory-mediators-in-primary-and-recurrent-lumbar-disc-herniation
#16
Yasar Dagistan, Selma Cukur, Emine Dagistan, Ali Riza Gezici
OBJECTIVE: To assess role of some inflammatory mediators in patients with primary and recurrent lumbar disc herniation. Expression of IL-6, transforming growth factor (TGF)-1, insulin-like growth factor (IGF)-1, and Bcl-2-associated X protein (BAX) have been shown to be more intense in the primary group than the recurrent goup, but this mediators may be important aspects prognostic. METHODS: 19 patients underwent primary and revision operations between June 1, 2009 and June 1, 2014, and they were included in this study...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28061487/thermal-induced-osteonecrosis-of-adjacent-vertebra-after-intradiscal-electrothermal-therapy
#17
Soonjoon Kim, Sun-Ho Lee, Eun-Sang Kim, Whan Eoh
A 42-year-old man was admitted to our hospital with complaints of low back pain and intermittent right thigh pain. Twelve weeks before admission, the patient received intradiscal electrothermal therapy (IDET) at a local hospital. The patient still reported low back pain after the procedure that was managed with narcotic analgesics. Follow-up magnetic resonance imaging (MRI) was performed, and his referring physician thought the likely diagnosis was spondylodiscitis at the L4-5 spinal segment with a small epidural abscess...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28052435/lumbar-spine-postures-in-marines-during-simulated-operational-positions
#18
David B Berry, Ana E Rodríguez-Soto, J Su, Sara P Gombatto, Bahar Shahidi, Laura Palombo, Christine Chung, Andrew Jensen, Karen R Kelly, Samuel R Ward
Low back pain has a 70% higher prevalence in members of the armed forces than in the general population, possibly due to the loads and positions soldiers experience during training and combat. Although the influence of heavy load carriage on standing lumbar spine posture in this population is known, postures in other operationally relevant positions are unknown. Therefore, the purpose of this study was to characterize the effect of simulated military operational positions under relevant loading conditions on global and local lumbar spine postures in active duty male US Marines...
January 4, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28051824/atypical-femoral-fracture-as-first-sign-of-non-hodgkin-lymphoma-case-report-with-a-brief-review-of-the-literature
#19
G Saviola, P Prometti, P R Ferrari, L G Dalle Carbonare
ABSTRACT: Atypical subtrochanteric and diaphyseal femoral fractures (AFF) have been suggested to be associated with the use of bisphosphonates (BPs), but the role of these drugs is still under debate. A 64-year old female, never treated with BPs was admitted to our Rehabilitation Institute because of a recent right AFF. The patient began suffering from low back pain radiating to the groin and to the anterior regions of the right thigh and leg, A nuclear magnetic resonance (NMR) of the lumbar spine showed disc protrusions at the L3-L4 and L5-S1 levels with impingement of the spinal nerve root...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28050537/spinopelvic-balance-evaluation-of-patients-with-degenerative-spondylolisthesis-l4l5-and-l4l5-herniated-disc-who-underwent-surgery
#20
Viviane Regina Hernandez Nunes, Charbel Jacob, Igor Machado Cardoso, José Lucas Batista, Marcus Alexandre Novo Brazolino, Thiago Cardoso Maia
OBJECTIVE: To correlate spinopelvic balance with the development of degenerative spondylolisthesis and disk herniation. METHODS: This was a descriptive retrospective study that evaluated 60 patients in this hospital, 30 patients with degenerative spondylolisthesis at the L4-L5 level and 30 with herniated disk at the L4-L5 level, all of whom underwent Surgical treatment. RESULTS: Patients with lumbar disk herniation at L4-L5 level had a mean tilt of 8...
November 2016: Revista Brasileira de Ortopedia
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