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https://www.readbyqxmd.com/read/28448708/-wrist-x-ray-for-analysis-of-the-articular-surface-of-distal-radius
#1
E Vergara-Amador, R Penagos, E Pinilla
In the distal radius fracture requires radiographic views that allow you to see the articular surface without interposition. The objective was to determine whether lateral radiographic projections 7 and 22° improve the analysis of this surface. METHOD: Case series study with radiographs of healthy and operated patients, in order to identify the lunate and scaphoid facets in lateral and anteroposterior projections. Qualitative analysis was made on the radiographs of the distal radius with wedges of 7 and 22° in the lateral views and 11° in the anteroposterior view...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28443174/clinical-and-radiological-outcomes-after-microscopic-bilateral-decompression-via-a-unilateral-approach-for-degenerative-lumbar-disease-minimum-5-year-follow-up
#2
Sho Dohzono, Hiromitsu Toyoda, Akira Matsumura, Hidetomi Terai, Akinobu Suzuki, Hiroaki Nakamura
STUDY DESIGN: A retrospective study. PURPOSE: To assess postoperative bone regrowth at surgical sites after lumbar decompression with >5 years of follow-up. Postoperative preservation of facet joints and segmental spinal instability following surgery were also evaluated. OVERVIEW OF LITERATURE: Previous reports have documented bone regrowth after conventional laminectomy or laminotomy and several factors associated with new bone formation...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28443169/radiographic-analysis-of-the-lumbosacral-juncture-is-there-a-critical-sacral-angle-for-total-disc-replacement
#3
Rattalerk Arunakul, Melodie Metzger, Linda Kanim, Hyun Bae, Michael Kropf, Rick Delamarter
STUDY DESIGN: Retrospective review of a patient cohort through a prospective study. PURPOSE: To determine whether there are correlations between radiographic measurements, including sacral slope (SS) and pelvic incidence (PI), and self-reported clinical outcomes among single-level L5/S1 ProDisc-L patients. OVERVIEW OF LITERATURE: The lumbosacral juncture presents unique biomechanical challenges with respect to artificial disc replacement (ADR) because of its orientation and consequential shear loading...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28441960/incorporating-assessment-of-the-cervical-facet-joints-in-the-modified-stoke-ankylosing-spondylitis-spine-score-is-of-additional-value-in-the-evaluation-of-spinal-radiographic-outcome-in-ankylosing-spondylitis
#4
Fiona Maas, Suzanne Arends, Elisabeth Brouwer, Hendrika Bootsma, Reinhard Bos, Freke R Wink, Anneke Spoorenberg
BACKGROUND: To aim was to investigate the additional value of incorporating the de Vlam cervical facet joint score in the modified ankylosing spondylitis (AS) spine score (mSASSS) for the evaluation of spinal radiographic outcome in AS. METHOD: Baseline and 4-year radiographs from 98 consecutive patients from the Groningen Leeuwarden AS (GLAS) cohort, who had AS treated with TNF-α inhibitors, were scored by two readers; the vertebral bodies were assessed according to the mSASSS (0-72) and cervical facet joints (C2-C7) were assessed according to the method of de Vlam (0-15)...
April 26, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28427393/correlation-between-intervertebral-disc-degeneration-paraspinal-muscle-atrophy-and-lumbar-facet-joints-degeneration-in-patients-with-lumbar-disc-herniation
#5
Dong Sun, Peng Liu, Jie Cheng, Zikun Ma, Jingpei Liu, Tingzheng Qin
BACKGROUND: To assess the correlation between lumbar disc degeneration (LDD), multifidus muscle atrophy (LMA), and facet joints degeneration in patients with L4-L5 lumbar disc herniation (LDH). METHODS: Sixty patients with L4-L5 LDH diagnosed by a 1.5 T MRI scanner were enrolled in the study group and another 60 patients with non-specific back pain were enrolled in the control group. LDD, LMA, and facet joints degeneration were examined and analyzed independently by two independent orthopedic surgeons using T2-weighted images...
April 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28422871/ultrasound-versus-fluoroscopy-guided-medial-branch-block-for-the-treatment-of-lower-lumbar-facet-joint-pain-a-retrospective-comparative-study
#6
Seung Hoon Han, Ki Deok Park, Kyoung Rai Cho, Yongbum Park
The aim of this study was to compare the mid-term effects and benefits of ultrasound (US)-guided and fluoroscopy (FL)-guided medial branch blocks (MBBs) for chronic lower lumbar facet joint pain through pain relief, functional improvement, and injection efficiency evaluation.Patients with chronic lumbar facet joint pain who received US (n = 68) or FL-guided MBBs (n = 78) were included in this retrospective study. All procedures were performed under FL or US guidance. Complication frequency, therapeutic effects, functional improvement, and the injection efficiency of MBBs were compared at 1, 3, and 6 months after the last injection...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422800/evaluation-of-water-content-in-lumbar-intervertebral-discs-and-facet-joints-before-and-after-physiological-loading-using-t2-mapping-mri
#7
Daisuke Yamabe, Hideki Murakami, Kou Chokan, Hirooki Endo, Ryosuke Oikawa, Shoitsu Sawamura, Minoru Doita
STUDY DESIGN: T2 mapping was used to quantify the water content of lumbar spine intervertebral discs (IVD) and facet joints before and after physiological loading. OBJECTIVE: To clarify the interaction between lumbar spine IVD and facet joints as load-bearing structures by measuring the water content of their matrix after physiological loading using T2 mapping magnetic resonance imaging (MRI). SUMMARY OF BACKGROUND DATA: To date, few reports have functionally evaluated lumbar spine IVD and facet joints, and their interaction in vivo...
April 18, 2017: Spine
https://www.readbyqxmd.com/read/28418810/relationship-of-trochlear-morphology-and-patellofemoral-joint-alignment-to-superolateral-hoffa-fat-pad-edema-on-mr-images-in-individuals-with-or-at-risk-for-osteoarthritis-of-the-knee-the-most-study
#8
Rafael Widjajahakim, Michael Roux, Mohamed Jarraya, Frank W Roemer, Tuhina Neogi, John A Lynch, Cora E Lewis, James C Torner, David T Felson, Ali Guermazi, Joshua J Stefanik
Purpose To determine the relationship of patellofemoral joint alignment and trochlear morphology to superolateral Hoffa fat pad (SHFP) edema on magnetic resonance (MR) images in older adults with or at risk for osteoarthritis of the knee. Materials and Methods Institutional review board approval and written informed consent were obtained from all subjects. The Multicenter Osteoarthritis Study is a prospective cohort study of older adults with or at risk for osteoarthritis of the knee. Subjects were recruited from Birmingham, Alabama, and Iowa City, Iowa...
April 17, 2017: Radiology
https://www.readbyqxmd.com/read/28416834/-efficacy-of-transforaminal-endoscopic-nerve-root-decompression-in-the-treatment-of-degenerative-lumbar-spinal-stenosis
#9
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/28413117/structure-specific-movement-patterns-in-patients-with-chronic-low-back-dysfunction-using-lumbar-combined-movement-examination
#10
Aubrey P Monie, Roger I Price, Christopher R P Lind, Kevin P Singer
OBJECTIVE: A test-retest cohort study was conducted to assess the use of a novel computer-aided, combined movement examination (CME) to measure change in low back movement after pain management intervention in 17 cases of lumbar spondylosis. Additionally we desired to use a CME normal reference range (NRR) to compare and contrast movement patterns identified from 3 specific structural pathologic conditions: intervertebral disc, facet joint, and nerve root compression. METHODS: Computer-aided CME was used before and after intervention, in a cohort study design, to record lumbar range of movement along with pain, disability, and health self-report questionnaires in 17 participants who received image-guided facet, epidural, and/or rhizotomy intervention...
April 13, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28395102/percutaneous-translaminar-facet-cyst-rupture-and-epidural-access-description-of-a-novel-technique
#11
David Spinner, Moris Aner, Geet Paul, Thomas Simopoulos, Jatinder Gill
Synovial cysts of the lumbar zygapophysial joints can be treated by percutaneous injection of corticosteroids, with distension and rupture of the cyst. Some cysts can be difficult to access, particularly when they lie deep in relation to the lamina. This technical report describes a fluoroscopy-guided technique for accessing sublaminar pathology. Crucial to the safety of the technique is visualization of the ventral margin of the lamina using a contralateral oblique view, and controlling and limiting the insertion of the needle such that only its tip passes the lamina...
March 1, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28391024/endoscopic-intralaminar-approach-for-the-treatment-of-lumbar-disc-herniation
#12
Joachim M Oertel, Benedikt W Burkhardt
BACKGROUND: Almost every surgical approach carries the risk to cause some degree of spinal instability, especially in case of excessive resection of the lamina and facet joint. This study describes the endoscopic intralaminar approach (ILA) for the treatment of cranially and caudally migrated lumbar disc herniation. METHODS: Thirty-one patients who underwent endoscopic ILA for 26 caudally and 5 cranially migrated lumbar disc herniation were identified from a prospectively database...
April 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28388735/a-novel-anterior-trans-pedicular-screw-artificial-vertebral-body-system-for-lower-cervical-spine-fixation-a-finite-element-study
#13
Weidong Wu, Chun Chen, Jinpei Ning, Pei-Dong Sun, Jinyuan Zhang, Changfu Wu, Zhenyu Bi, Jihong Fan, Xianliang Lai, Jun Ouyang
Objective A finite element model was used to compare the biomechanical properties of a novel anterior trans-pedicular screw artificial vertebral body system (AVBS) with a conventional anterior screw plate system (ASPS) for fixation in the lower cervical spine. Methods A model of the intact cervical spine (C3-C7) was established. AVBS or ASPS constructs were implanted between C4 and C6. The models were loaded in three-dimensional motion. The Von Mises stress distribution in the internal fixators was evaluated, as well as the range of motion (ROM) and facet joint force...
April 7, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28383091/a-new-technique-for-the-surgical-treatment-of-atlantoaxial-instability-c1-lateral-mass-and-c2-3-transfacet-screwing
#14
Salim Senturk, Goktug Akyoldas, Onur Yaman, Ali Fahir Ozer
AIM: Atlantoaxial instability is a special entity that may be caused by many disorders such as trauma, tumor, arthritis, congenital malformation and infection. Atlantoaxial fixation is needed to provide stability, prevent neurological deficits and correct deformity. The objective of this study is to introduce an alternative technique for the treatment of atlantoaxial instability in patients who have vertebral artery anomaly, anomalous C2 or osteoporosis. MATERIAL AND METHODS: C1-2-3 fixation was performed in a 50-years-old, male patient with atlantoaxial instability due to os odontoideum...
March 9, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28382238/evaluation-and-interventional-management-of-pain-after-vertebral-augmentation-procedures
#15
Jesse Hatgis, Michelle Granville, Robert E Jacobson
INTRODUCTION: A small subset of patients who underwent successful vertebral compression fracture (VCF) augmentation procedures may develop subsequent pain requiring spinal injections. In a retrospective analysis, we determined whether the pain was related to the original fracture site or to another area within the lumbar or thoracic spine. The pain occurred either at the same/adjacent level and/or non-adjacent level as the VCF. Interventional treatments primarily targeted the facet joints, specifically in the form of facet joint blocks and/or radiofrequency ablation to the medial branches...
February 28, 2017: Curēus
https://www.readbyqxmd.com/read/28379913/misaligned-versus-straight-placement-of-anterior-cervical-plates-a-clinical-and-radiologic-outcomes-study
#16
Kingsley R Chin, Fabio J R Pencle, Shannon D Francis, Chloe A Francis, Jason A Seale, Elijah A Hothem
BACKGROUND: In anterior cervical diskectomy and fusion (ACDF), misaligned plates are concerning because of the risk of screw-and-plate failure; however, these plates also hypothetically have the potential for asymmetric micromotion on the facet and uncovertebral joint. The aim of this study was to determine whether misaligned plate placement during ACDF had clinical benefits compared with straight plate placement. METHODS: Postoperative AP radiographs of 128 consecutive patients who underwent ACDF with anterior cervical plate (ACP) fixation were reviewed, and plate alignment was assessed...
May 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28378052/three-dimensional-morphometric-analysis-of-the-talus-implication-for-variations-in-kinematics-of-the-subtalar-joint
#17
Shuhei Nozaki, Kota Watanabe, Masaki Katayose
PURPOSE: Three-dimensional (3D) movement of the clinical subtalar joint (CSTJ) is primarily determined by the morphology of the articular surfaces of the talus. The purposes of this study were to assess the 3D orientation of the CSTJ facets of the talus and the talar head and to determine the tri-axial angular relationship. METHODS: Fifty dry tali were scanned using computed tomography to create a 3D bone model of the talus. The tri-axial angles of the anterior, middle, and posterior facets and the talar head were calculated...
April 4, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28372971/the-anterior-borders-of-the-clavicle-and-the-acromion-are-not-always-aligned-in-the-intact-acromioclavicular-joint-a-cadaveric-study
#18
Johannes Barth, Achilleas Boutsiadis, Pablo Narbona, Alexandre Lädermann, Paolo Arrigoni, Christopher R Adams, Stephen S Burkhart, Patrick J Denard
BACKGROUND: The aim of this study was to find reliable anatomic landmarks of the normal acromioclavicular joint (ACJ) that could enable the precise evaluation of the horizontal displacement of the clavicle after dislocation. The hypothesis was that the anterior borders of the acromion and the clavicle are always aligned in intact ACJs. MATERIALS AND METHODS: In 30 cadaveric specimens, the anterior and posterior borders of the ACJ's articular facets and the most prominent anterior and posterior bony landmarks of the acromion and the clavicle were identified...
March 31, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28368985/prediction-of-cervical-spinal-joint-loading-and-secondary-motion-using-a-musculoskeletal-multibody-dynamics-model-via-force-dependent-kinematics-approach
#19
Hao Diao, Hua Xin, Jun Dong, Xijing He, Dichen Li, Zhongmin Jin
STUDY DESIGN: A cervical spine biomechanical investigation using multibody dynamics. OBJECTIVE: To develop a comprehensive cervical spine multibody dynamics model incorporated with the force-dependent kinematics (FDK) approach, and to study the influence of soft tissue deformation on the joint loading prediction. SUMMARY OF BACKGROUND DATA: Musculoskeletal multibody dynamics models have been widely used to analyze joint loading. Current cervical spine musculoskeletal models, however, neglect the joint internal motion caused by soft tissue deformation...
March 31, 2017: Spine
https://www.readbyqxmd.com/read/28366222/infections-of-the-spine
#20
REVIEW
Maja Babic, Claus S Simpfendorfer
Pyogenic infections of the bony spinal column and the intervertebral discs are on a steady rise in an aging western population. Despite advanced medical imaging, this clinical entity of devastating consequences if missed, still presents a diagnostic conundrum and is plagued by an unacceptably long diagnostic delay. The aim of this article is to raise awareness of the heterogeneity of spinal infections paralleling the complex structure of the spinal column and neighboring soft tissues. Emphasis is placed on the clinical presentation and management of septic facet joints and psoas muscle abscesses associated with lumbar spondylodiscitis...
March 30, 2017: Infectious Disease Clinics of North America
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