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https://www.readbyqxmd.com/read/29905520/coflex-interspinous-implant-placement-leading-to-synovial-cyst-development-case-report
#1
Seba Ramhmdani, Marc Comair, Camilo A Molina, Daniel M Sciubba, Ali Bydon
Interspinous process devices (IPDs) have been developed as less-invasive alternatives to spinal fusion with the goal of decompressing the spinal canal and preserving segmental motion. IPD implantation is proposed to treat symptoms of lumbar spinal stenosis that improve during flexion. Recent indications of IPD include lumbar facet joint syndrome, which is seen in patients with mainly low-back pain. Long-term outcomes in this subset of patients are largely unknown. The authors present a previously unreported complication of coflex (IPD) placement: the development of a large compressive lumbar synovial cyst...
June 15, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29881147/high-values-of-pelvic-incidence-a-possible-risk-factor-for-zigoapophyseal-facet-arthrosis-in-young
#2
Giorgio Cacciola, Alessandro Pisani, Pietro Cavaliere, Bruno Pitrone, Domenico Rizzo, Giuseppina Rizzo, Filippo Cascio, Federico De Meo, Andrea Barbanera
In humans the acquisition of the bipedalism caused different structural changes to achieve the new functional demands. In particular, several changes have occurred in the spine and pelvis. In recent years the sagittal morphology of the spine and pelvis has become one of the most focused topics in spine research. The sample consists of 348 volunteers, with no history of low back pain, without any previous major trauma at the spine or at the pelvis. Aged between 20 and 29 years. The presence and severity of zygoapophyseal facet arthrosis were investigated in accordance with Pathria's classification (it considered four parameters: width of interarticular space, the presence of osteophytes, the presence of facet hypertrophy and presence of areas of bone erosion)...
June 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29734212/time-course-of-radiologic-changes-after-lumbar-total-disc-replacement-experience-of-single-institute-with-minimum-5-year-follow-up
#3
Jung-Woo Hur, Jin-Sung Kim, Kyeong-Sik Ryu, Myeong-Hoon Shin, Chun-Kun Park
STUDY DESIGN: This was a retrospective observatory analysis study. OBJECTIVE: The purpose of this study was to evaluate long-term safety and therapeutic effectiveness of the lumbar total disc replacement (TDR) using ProDisc-L by analyzing the radiologic changes at the index and adjacent levels in minimum 5-year follow-up. SUMMARY OF BACKGROUND DATA: Early successful clinical results of lumbar TDR have been reported. However, few reports have published its therapeutic effectiveness and radiologic degenerative changes at the index and adjacent segments in the long term...
June 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29547464/stiffness-matters-part-i-the-effects-of-plate-stiffness-on-the-biomechanics-of-acdf-in-vitro
#4
Joshua M Peterson, Carolyn Chlebek, Ashley M Clough, Alexandra K Wells, Eric H Ledet
STUDY DESIGN: In vitro biomechanical testing of human cadaveric cervical and goat cervical motion segments. OBJECTIVE: To measure the effects of plate stiffness on load-sharing, instantaneous axis of rotation (IAR), and posterior element loading after anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is intended to create an environment which facilitates sufficient stability and biomechanical conditions to promote bone formation...
March 15, 2018: Spine
https://www.readbyqxmd.com/read/28619268/retracted-ankle-hindfoot-after-calcaneal-fractures-a-biomechanical-study
#5
C Xu, M Li, C Wang, K Li, H Liu
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief. The decision to retract this article is based on the fact that it contains much of the same information that the authors stated in the following report, which was published in another journal: Xu C, Liu H, Li M, Wang C, Li K. A Three-Dimensional Finite Element Analysis of Displaced Intra-Articular Calcaneal Fractures...
September 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28538451/similar-anatomical-reduction-and-lower-complication-rates-with-the-sinus-tarsi-approach-compared-with-the-extended-lateral-approach-in-displaced-intra-articular-calcaneal-fractures
#6
COMPARATIVE STUDY
Tim Schepers, Manouk Backes, Siem A Dingemans, Vincent M de Jong, Jan S K Luitse
OBJECTIVES: To investigate whether the sinus tarsi approach (STA) allows for a similar anatomical reduction of the posterior talocalcaneal facet as the extended lateral approach (ELA) and compare the rate of postoperative wound complications. DESIGN: Retrospective. SETTING: Level 1 trauma center. PATIENTS: All consecutive patients from 2012 to 2015 with a closed displaced intra-articular calcaneal fracture Sanders type II and III surgically treated with the ELA (N = 60) and the STA (N = 65)...
June 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28340364/cervical-facet-force-analysis-after-disc-replacement-versus-fusion
#7
COMPARATIVE STUDY
Vikas V Patel, Zachary R Wuthrich, Kirk C McGilvray, Matthew C Lafleur, Emily M Lindley, Derrick Sun, Christian M Puttlitz
BACKGROUND: Cervical total disc replacement was developed to preserve motion and reduce adjacent-level degeneration relative to fusion, yet concerns remain that total disc replacement will lead to altered facet joint loading and long-term facet joint arthrosis. This study is intended to evaluate changes in facet contact force, pressure and surface area at the treated and superior adjacent levels before and after discectomy, disc replacement, and fusion. METHODS: Ten fresh-frozen human cadaveric cervical spines were potted from C2 to C7 with pressure sensors placed into the facet joints of C3-C4 and C4-C5 via slits in the facet capsules...
May 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28065872/posterior-cervical-transfacet-fusion-with-facetal-spacer-for-the-treatment-of-single-level-cervical-radiculopathy-a-randomized-controlled-prospective-study
#8
RANDOMIZED CONTROLLED TRIAL
Jacopo Lenzi, Antonio Nardone, Emiliano Passacantilli, Alessandro Caporlingua, Gennaro Lapadula, Federico Caporlingua
BACKGROUND: Single-level cervical radiculopathy may be treated conservatively with cervical tractions. Posterior cervical transfacet fusion with a facetal spacer is a viable option. The aim of the present study is to compare posterior cervical transfacet fusion with conservative physical treatment in single-level cervical radiculopathy. METHODS: A total of 80 patients were randomized in 2 groups, a surgical group in which patients were given posterior cervical transfacet fusion and a traction group in which patients were treated conservatively with mechanical cervical tractions...
April 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27885810/value-of-18-f-fdg-pet-mri-for-the-outcome-of-ct-guided-facet-block-therapy-in-cervical-facet-syndrome-initial-results
#9
Lino M Sawicki, Benedikt M Schaarschmidt, Philipp Heusch, Christian Buchbender, Sandra Rosenbaum-Krumme, Lale Umutlu, Sven O Eicker, Andreas Bockisch, Gerald Antoch, Frank W Floeth
INTRODUCTION: The aim of this study was to evaluate the ability of18 F-fluorodeoxyglucose positron emission tomography/magnetic resonance imaging (18 F-FDG PET/MRI) to detect PET-positive cervical facet arthropathy and identify patients who benefit from facet block therapy. METHODS: Ten patients with cervical facet syndrome (mean age: 65 ± 12 years) underwent18 F-FDG PET/MRI of the neck. Focal18 F-FDG uptake in PET-positive facet joints served as target for computed tomography (CT)-guided facet blocks...
June 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27803810/delayed-onset-of-a-spinal-epidural-hematoma-after-facet-joint-injection
#10
Mirko Velickovic, Tobias M Ballhause
The treatment of chronic back pain is a challenging problem. Facet joint infiltration is an established treatment for chronic low back pain caused by arthrosis of the lumbar facet joints. Due to the increasing number of patients with chronic low back pain, this therapy has become more frequent. We treated a 51-year-old male patient, who developed an epidural hematoma 2 months after infiltration therapy. Our case shows that even a delayed onset of spinal epidural hematoma is possible and should be kept in mind as a possible cause of acute myelopathy after spinal intervention...
2016: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/27793242/spinal-injection-of-local-anesthetic-during-cervical-facet-joint-injection
#11
Juan A Ramos
INTRODUCTION: Facet joint pain is a common source of non-radicular back pain worldwide. Non-surgical interventional modalities remain the mainstay in the treatment of facetogenic back pain and comprise the second most commonly performed interventional pain procedures in the USA. CASE: A 36 year-old man with chronic cervical pain secondary to C6-C7 facet arthrosis radiographically, underwent diagnostic local anesthetic bilateral facet joint injection under fluoroscopic guidance...
November 2016: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/27707846/radiographic-changes-in-the-cervical-spine-following-anterior-arthrodesis-a-long-term-analysis-of-166-patients
#12
COMMENT
Raj D Rao, Donald R Gore, Shu-Jie Tang, Brandon J Rebholz, Narayan Yoganandan, Mei Wang
BACKGROUND: Adjacent segment degeneration frequently develops following anterior cervical discectomy and fusion. The objectives of the present study were to characterize the long-term evolution of degenerative radiographic changes at segments adjacent to anterior cervical fusion and to identify factors associated with the development of these changes, including the preoperative condition of the cervical spine and parameters related to arthrodeses. METHODS: One hundred and sixty-six patients who underwent anterior cervical discectomy and fusion for symptomatic cervical spondylosis or disc herniation were followed radiographically for a mean time of 12...
October 5, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27417397/the-degenerative-spine
#13
REVIEW
Frédéric Clarençon, Bruno Law-Ye, Peggy Bienvenot, Évelyne Cormier, Jacques Chiras
Degenerative disease of the spine is a leading cause of back pain and radiculopathy, and is a frequent indication for spine MR imaging. Disc degeneration, disc protrusion/herniation, discarhtrosis, spinal canal stenosis, and facet joint arthrosis, as well as interspinous processes arthrosis, may require an MR imaging workup. This review presents the MR imaging patterns of these diseases and describes the benefit of the MR imaging in these indications compared with the other imaging modalities like plain radiographs or computed tomography scan...
August 2016: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27154449/subdural-empyema-following-lumbar-facet-joint-injection-an-exceeding-rare-complication
#14
Oluwafikayo Fayeye, Adikarige Haritha Dulanka Silva, Swarupsinh Chavda, Navin Raoul Furtado
Chronic low back pain is extremely common with a life time prevalence estimated at greater than 70%. Facet joint arthrosis is thought to be the causative aetiological substrate in approximately 25% of chronic low back pain cases. Facet joint injection is a routine intervention in the armamentarium for both the diagnostic and therapeutic management of chronic low back pain. In fact, a study by Carrino et al. reported in excess of 94,000 facet joint injection procedures were carried out in the US in 1999. Although generally considered safe, the procedure is not entirely without risk...
2016: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/27008289/radiofrequency-neurolysis-for-lumbar-pain-using-a-variation-of-the-original-technique
#15
Jorge F Ramirez Leon, Jose G Rugeles Ortiz, Enrique Osorio Fonseca, Carolina Ramirez Martinez, Gabriel Oswaldo Alonso Cuellar
BACKGROUND: Zygapophysial joint arthrosis is a pathology related with axial lumbar pain. The most accepted treatment, after failure of medical management, is the thermal denervation of the medial branch. Nonetheless, the placement of the heat probe remains a challenge to surgeons, even when using the fluoroscope. Using a variation of Shealy's and Bogduk's original techniques, which includes ablation of the medial branch and the nerves present in the joint capsule, we hypothesize that we can obtain similar outcomes to those found in the literature...
March 2016: Pain Physician
https://www.readbyqxmd.com/read/26949033/persistent-axial-neck-pain-after-cervical-disc-arthroplasty-a-radiographic-analysis
#16
Scott C Wagner, Peter M Formby, Daniel G Kang, Gregory S Van Blarcum, John P Cody, Robert W Tracey, Ronald A Lehman
BACKGROUND CONTEXT: There is very little literature examining optimal radiographic parameters for placement of cervical disc arthroplasty (CDA), nor is there substantial evidence evaluating the relationship between persistent postoperative neck pain and radiographic outcomes. PURPOSE: We set out to perform a single-center evaluation of the radiographic outcomes, including associated complications, of CDA. DESIGN: This is a retrospective review...
July 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/26511687/transverse-decompression-technique-in-the-surgical-treatment-of-degenerative-lumbar-canal-stenosis
#17
Salih Müjde, Nuri Erel, Fırat Ozan
OBJECTIVE: The aim of this study was to assess the outcomes of fusion technique via posterior instrumentation in combination with transverse decompression in the surgical treatment of degenerative lumbar canal stenosis. METHODS: Forty-five patients-39 women (86.7%) and 6 men (13.3%)-were included. Mean age was 58.68±8.63 years with mean follow-up of 51.71±20.96 months. Preoperative and postoperative clinical evaluation was performed using the Oswestry Disability Index (ODI) and Visual Analog Scale (VAS) for overall pain...
2015: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/26403424/bilateral-pars-defects-at-the-l4-vertebra-result-in-increased-degeneration-when-compared-with-those-at-l5-an-anatomic-study
#18
COMPARATIVE STUDY
Peter T McCunniff, HoJun Yoo, Anthony Dugarte, Navkirat S Bajwa, Jason O Toy, Uri M Ahn, Nicholas U Ahn
BACKGROUND: Cadaveric studies have examined disc degeneration at the L4-L5 and L5-S1 motion segments; however, we are not aware of another study that has examined the relationship between bilateral spondylolysis and its effect on degenerative disc disease at those levels. This may have been overlooked by researchers owing to the majority of spondylolysis occurring at the L5 vertebra. QUESTIONS/PURPOSES: Using osteologic specimens from a collection that included individuals who died in one city in the USA between 1893 and 1938, we asked: (1) do specimens with bilateral spondylolysis (bilateral pars defects) have increased levels of disc degeneration, at their respective motion segments, when compared with matched controls without spondylolysis, and (2) is the finding of a bilateral pars defect associated with more severe arthritis at L4-L5 than at L5-S1? METHODS: An observational study was performed on 665 skeletal lumbar spines from the Hamann-Todd Osteologic Collection at the Cleveland Museum of Natural History (Cleveland, OH, USA)...
February 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/26355013/-spinal-injection-of-local-anesthetic-during-cervical-facet-joint-injection
#19
Juan A Ramos
INTRODUCTION: facet joint pain is a common source of non-radicular back pain worldwide. Non-surgical interventional modalities remain the mainstay in the treatment of facetogenic back pain and comprise the second most commonly performed interventional pain procedures in the USA. CASE: a 36 year-old man with chronic cervical pain secondary to C6-C7 facet arthrosis radiographically, underwent diagnostic local anesthetic bilateral facet joint injection under fluoroscopic guidance...
September 2, 2014: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/26169027/risk-factors-for-a-recurrence-of-low-back-pain
#20
Mark J Hancock, Chris M Maher, Peter Petocz, Chung-Wei Christine Lin, Daniel Steffens, Alejandro Luque-Suarez, John S Magnussen
BACKGROUND CONTEXT: The clinical importance of lumbar pathology identified on magnetic resonance imaging (MRI) remains unclear. It is plausible that pathology seen on MRI is a risk factor for a recurrence of low back pain (LBP); however, to our knowledge, this has not been investigated by previous studies. PURPOSE: The aim was to investigate whether lumbar pathology, identifiable on MRI, increases the risk of a recurrence of LBP. STUDY DESIGN: This was a prospective inception cohort study with 1-year follow-up...
November 1, 2015: Spine Journal: Official Journal of the North American Spine Society
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