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Interspinous device

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https://www.readbyqxmd.com/read/27826214/clinical-outcome-following-diam-implantation-for-symptomatic-lumbar-internal-disk-disruption-a-3-year-retrospective-analysis
#1
Kang Lu, Po-Chou Liliang, Hao-Kuang Wang, Jui-Sheng Chen, Te-Yuan Chen, Ruyi Huang, Han-Jung Chen
BACKGROUND/OBJECTIVE: Internal disk disruption (IDD), an early event of lumbar disk degeneration, is the most common cause of low back pain. Since increased intradiskal pressure (IDP) is associated with symptoms and progression of disk degeneration, unloading a painful disk with an interspinous process device (IPD) is a rational treatment option. The goal of this study was to evaluate the effectiveness of dynamic stabilization with an IPD in the treatment of symptomatic IDD of the lumbar spine...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27819001/interspinous-process-decompression-expanding-treatment-options-for-lumbar-spinal-stenosis
#2
Pierce D Nunley, A Nick Shamie, Scott L Blumenthal, Douglas Orndorff, Jon E Block, Fred H Geisler
Interspinous process decompression is a minimally invasive implantation procedure employing a stand-alone interspinous spacer that functions as an extension blocker to prevent compression of neural elements without direct surgical removal of tissue adjacent to the nerves. The Superion® spacer is the only FDA approved stand-alone device available in the US. It is also the only spacer approved by the CMS to be implanted in an ambulatory surgery center. We computed the within-group effect sizes from the Superion IDE trial and compared them to results extrapolated from two randomized trials of decompressive laminectomy...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27801521/surgical-options-for-lumbar-spinal-stenosis
#3
REVIEW
Gustavo C Machado, Paulo H Ferreira, Rafael Ij Yoo, Ian A Harris, Marina B Pinheiro, Bart W Koes, Maurits W van Tulder, Magdalena Rzewuska, Christopher G Maher, Manuela L Ferreira
BACKGROUND: Hospital charges for lumbar spinal stenosis have increased significantly worldwide in recent times, with great variation in the costs and rates of different surgical procedures. There have also been significant increases in the rate of complex fusion and the use of spinal spacer implants compared to that of traditional decompression surgery, even though the former is known to incur costs up to three times higher. Moreover, the superiority of these new surgical procedures over traditional decompression surgery is still unclear...
November 1, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27683693/interspinous-process-spacers-versus-traditional-decompression-for-lumbar-spinal-stenosis-systematic-review-and-meta-analysis
#4
Kevin Phan, Prashanth J Rao, Jonathon R Ball, Ralph J Mobbs
BACKGROUND: Interspinous spacers are used in selected patients for the treatment of lumbar spinal stenosis. The uses of interspinous devices are still debated, with reports of significantly higher reoperation rates and unfavourable cost-effectiveness compared to traditional decompression techniques. METHODS: Six electronic databases were searched from their date of inception to December 2015. Relevant studies were identified using specific eligibility criteria and data was extracted and analyzed based on predefined primary and secondary endpoints...
March 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/27616440/-spinal-sinovial-cysts-surgical-treatment-and-clinical-outcomes-in-a-series-of-18-cases
#5
Beatriz Mansilla, Alberto Isla, Carlos Pérez-López, María Román-de Aragón, Jorge Zamorano, Javier Giner
OBJECT: A series of 18 patients with symptomatic synovial cysts was analysed from May 2009 to November 2013. Different approaches were performed for their removal. MATERIAL AND METHODS: The study included 18 patients, 8 men and 10 women, aged between 50 and 77 years. An analysis was made of the variables including age, gender, symptoms, imaging studies, histopathology, surgery, follow-up, complications, and clinical outcome. RESULTS: An articular synovial cyst was diagnosed in 17 cases, and a ganglion in one cases...
September 5, 2016: Neurocirugía
https://www.readbyqxmd.com/read/27593783/can-interspinous-device-spire%C3%A2-be-an-alternative-fixation-modality-in-posterior-lumbar-fusion-instead-of-pedicle-screw
#6
Chang-Hyun Lee, Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim
AIM: Although conventional posterior lumbar interbody fusion (PLIF) using pedicle screws accomplish successful outcomes, pedicle screw related complications were sometimes noted. SPIRE™ was invented as interspinous fixation device (ISD) to replace pedicle screw. This study is to evaluate the clinical and radiological outcomes in patients underwent unilateral PLIF using SPIRE™ compared with pedicle screw. MATERIAL AND METHODS: All consecutive patients who shows medically intractable lumbar degenerative disease with unilateral radiculopathy and mild instability were enrolled...
November 13, 2015: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27582621/lumbar-lateral-shift-in-a-patient-with-interspinous-device-implantation-a-case-report
#7
Seth Peterson, Cheri Hodges
BACKGROUND: Lumbar lateral shift (LLS) is a common clinical observation but has rarely been described in a patient with a history of lumbar surgery. The purpose of the current case report was to describe the use of the McKenzie Method of Mechanical Diagnosis and Therapy (MDT) in the multi-modal treatment of a patient with an LLS and a history of multiple surgical procedures in the lumbar spine, including interspinous process device (IPD) implantation. CASE DESCRIPTION: A 72-year-old female with chronic low back pain (LBP) and a surgical history in the lumbar spine was referred to physical therapy for radiating leg pain and presented with a right LLS...
September 2016: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/27438402/lumbar-spinous-process-fixation-and-fusion-a-systematic-review-and-critical-analysis-of-an-emerging-spinal-technology
#8
Alejandro J Lopez, Justin K Scheer, Nader S Dahdaleh, Alpesh A Patel, Zachary A Smith
STUDY DESIGN: A systematic review. OBJECTIVE: The available literature on interspinous rigid fixation/fusion devices (IFD) was systematically reviewed to explore the devices' efficacy and complication profile. SUMMARY OF BACKGROUND DATA: The clinical application of new spinal technologies may proceed without well-established evidence, as is the case with IFDs. IFDs are plate-like devices that are attached to the lateral aspects of 2 adjacent spinous processes to promote rigidity at that segment...
July 19, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27399443/164%C3%A2-failure-rates-and-complications-of-interspinous-process-decompression-devices-a-european-multicenter-study
#9
Marcelo Galarzay Vicentini, Roberto Gazzeri, Pedro De la Rosa, Claudio Piqueras
INTRODUCTION: Spacers placed between the lumbar spinous processes represent a promising surgical treatment alternative for a variety of spinal pathologies. They provide an unloading distractive force to the stenotic motion segment, restoring foraminal height, and have the potential to relieve symptoms of degenerative disc disease. The authors performed a retrospective, multicenter nonrandomized study consisting of 1108 patients to evaluate implant survival and failure modes after the implantation of 8 different interspinous process devices (IPDs)...
August 2016: Neurosurgery
https://www.readbyqxmd.com/read/27391398/biomechanical-evaluation-of-lateral-lumbar-interbody-fusion-with-secondary-augmentation
#10
Marco T Reis, Phillip M Reyes, Bse, Idris Altun, Anna G U S Newcomb, Vaneet Singh, Steve W Chang, Brian P Kelly, Neil R Crawford
OBJECTIVE Lateral lumbar interbody fusion (LLIF) has emerged as a popular method for lumbar fusion. In this study the authors aimed to quantify the biomechanical stability of an interbody implant inserted using the LLIF approach with and without various supplemental fixation methods, including an interspinous plate (IP). METHODS Seven human cadaveric L2-5 specimens were tested intact and in 6 instrumented conditions. The interbody implant was intended to be used with supplemental fixation. In this study, however, the interbody was also tested without supplemental fixation for a relative comparison of these conditions...
December 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27373477/-radiographic-study-of-coflex-interspinous-device-for-lumbar-spinal-stenosis
#11
A X Pan, Y Hai, J C Yang, X L Chen, W Yuan, H Guo
Objective: To assess the radiography change of lumbar spinal stenosis (LSS) treated with the implantation of Coflex interspinous device retrospectively. Methods: Sixty patients (34 male and 26 female) with LSS who underwent the decompression and Coflex device implanted surgery from January 2010 to December 2013 were followed up. The mean age of the patients was 59.4 years. There were 33 cases underwent Coflex surgery and 27 cases underwent Topping-off surgery. The Coflex segment ranged from L1/2 to L4/5 (L1-2: 1, L2-3: 5, L3-4: 19, L4-5: 35)...
July 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27342707/interspinous-spacers-for-lumbar-spinal-stenosis-commentary-on-van-den-akker-van-marle-et-al
#12
Jon D Lurie
van den Akker-van Marle ME, Moojen WA, Arts MP, Vleggeert-Lankamp CLAM, Peul WC, for the Leiden-The Hague Spine Intervention Prognostic Study Group (SIPS). Interspinous process devices versus standard conventional surgical decompression for lumbar spinal stenosis: cost-utility analysis. Spine J 2016:16:702-10 (in this issue).
June 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27193185/a-proposal-of-a-simple-epidural-simulator-for-training-novice-anesthesiologists
#13
Sung-Moon Jeong, Jae Moon Choi, Ji Hyun Kim, Hwanhee Yoo, Sukyung Lee, Hyungseok Seo, Sooyoung Kim, Sung-Hoon Kim
PURPOSE: Confirming the epidural space during epidural anesthesia relies mainly on feel and experience, which are difficult techniques for a trainee to learn. We designed an epidural simulator for trainees to experience loss of resistance (LOR) and various degrees of pressure resistance. METHODS: The simulator consists of a Perifix(®) LOR syringe and 1-, 5-, 10- and 50-mL syringes assembled by three-way stopcocks. A total of 89 anesthesiologists evaluated the simulator, given the choice of either the intermittent technique with air or continuous technique with saline...
August 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27178046/interspinous-process-devices-for-the-treatment-of-neurogenic-intermittent-claudication-a-systematic-review-of-randomized-controlled-trials
#14
Mao Li, Huilin Yang, Genlin Wang
The aim of this study is to compare interspinous process device (IPD) implantation to other methods for the treatment of neurogenic intermittent claudication (NIC). PubMed and Cochrane library were searched in December 2014. Randomized controlled trials (RCTs) comparing IPD implantation and nonoperative therapy or laminectomy with/without spinal fusion for the treatment of NIC due to spinal stenosis or low-grade degenerative spondylolisthesis were included. Meta-analysis and qualitative analysis were conducted as appropriate...
May 14, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/26963708/restoring-lumbar-spine-stiffness-using-an-interspinous-implant-in-an-ovine-model-of-instability
#15
Marek Szpalski, Robert Gunzburg, Christopher J Colloca, Victor Kosmopoulos, Mostafa Afifi Hegazy, Brian J C Freeman, Laurent Fabeck
BACKGROUND: The objective of this study was to determine the effect of an interspinous implant on lumbar spine stability and stiffness during dorsoventral loading. METHODS: Twelve Merino lambs were mechanically tested in vivo. Oscillatory (2 Hz) loads were applied to L2 under load control while displacements were monitored. Tri-axial accelerometers further quantified adjacent L3-L4 accelerations. Dorsoventral lumbar spine stiffness and L3 and L4 dorsoventral and axial displacements were determined over six trials of 20 cycles of loading...
March 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/26962413/biomechanical-comparison-of-spinal-fusion-methods-using-interspinous-process-compressor-and-pedicle-screw-fixation-system-based-on-finite-element-method
#16
Jisoo Choi, Sohee Kim, Dong-Ah Shin
OBJECTIVE: To investigate the biomechanical effects of a newly proposed Interspinous Process Compressor (IPC) and compare with pedicle screw fixation at surgical and adjacent levels of lumbar spine. METHODS: A three dimensional finite element model of intact lumbar spine was constructed and two spinal fusion models using pedicle screw fixation system and a new type of interspinous devices, IPC, were developed. The biomechanical effects such as range of motion (ROM) and facet contact force were analyzed at surgical level (L3/4) and adjacent levels (L2/3, L4/5)...
March 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/26891907/posterior-dynamic-stabilization-in-the-lumbar-spine-24-months-results-of-a-prospective-clinical-and-radiological-study-with-an-interspinous-distraction-device
#17
Dorothea Daentzer, Christof Hurschler, Frank Seehaus, Christine Noll, Michael Schwarze
BACKGROUND: Interspinous distraction devices (IDD) are due to maintain or restore intersegmental range of motion (iROM) in a controlled fashion with the aim of stabilization the affected level dynamically. The following study is the first to present clinical and radiological data with the Wallis® spacer during a follow-up of 24 months. METHODS: Ten patients underwent posterior dynamic stabilization (PDS) of the lumbar spine with an IDD (Wallis® spacer) and were controlled clinically and radiologically after 3, 6, 12, and 24 months in a prospective study design...
February 18, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/26839990/distraction-laminoplasty-with-interlaminar-lumbar-instrumented-fusion-ilif-for-lumbar-stenosis-with-or-without-grade-1-spondylolisthesis-technique-and-2-year-outcomes
#18
Jason M Cuéllar, Justin S Field, Hyun W Bae
STUDY DESIGN: Prospective, nonrandomized cohort. OBJECTIVE: Describe the surgical technique and clinical outcome of distraction lumbar laminoplasty with allograft bone block augmentation and interlaminar lumbar instrumented fusion (ILIF) SUMMARY OF BACKGROUND DATA.: ILIF is a recently described technique that may offer a less invasive alternative to traditional posterior pedicle screw fixation for stabilization during posterior or posterolateral lumbar fusion after decompression for lumbar spinal stenosis...
April 2016: Spine
https://www.readbyqxmd.com/read/26769739/degenerative-lumbar-spinal-stenosis-treatment-with-aperius%C3%A2-perclid%C3%A2-system-and-falena%C3%A2-interspinous-spacers-1-year-follow-up-of-clinical-outcome-and-quality-of-life
#19
Salvatore Masala, Stefano Marcia, Amedeo Taglieri, Antonio Chiaravalloti, Eros Calabria, Mario Raguso, Emanuele Piras, Giovanni Simonetti
PURPOSE: Evaluation of the efficacy of the Falena(®) and Aperius™ PerCLID™ interspinous devices in the treatment of degenerative lumbar spinal stenosis with neurogenic intermittent claudication refractory to conservative treatment. MATERIALS AND METHODS: We retrospectively analyzed data from 24 patients (20 male and 4 female patients; 61 ± 7 years old), treated with an implantation of the AperiusTM PerCLID™ system, and from 35 patients (29 male and 6 female patients; 65 ± 9 years old) treated with the Falena(®) interspinous device...
April 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/26491369/superion-%C3%A2-interspinous-spacer-for-treatment-of-moderate-degenerative-lumbar-spinal-stenosis-durable-three-year-results-of-a-randomized-controlled-trial
#20
Vikas V Patel, Pierce D Nunley, Peter G Whang, Thomas R Haley, W Daniel Bradley, Raphael P Davis, Jon E Block, Fred H Geisler
PURPOSE: This report provides the 3-year clinical outcomes from the randomized, controlled US Food and Drug Administration Investigational Device Exemption trial of the Superion(®) for the treatment of moderate degenerative lumbar spinal stenosis. PATIENTS AND METHODS: The Superion(®) was evaluated in the treatment of subjects aged 45 years or older suffering from symptoms of intermittent neurogenic claudication, secondary to a confirmed diagnosis of moderate degenerative lumbar spinal stenosis at one or two contiguous levels from L1 to L5...
2015: Journal of Pain Research
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