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Lumbar decompression

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https://www.readbyqxmd.com/read/28219305/biomechanical-comparison-between-cortical-screw-rod-construct-versus-pedicle-screw-rod-construct-in-transforaminal-lumbar-interbody-fusion
#1
Chris Chan Yin Wei, Sem Sei Haw, Elrofai Suliman Bashir, Saw Lim Beng, Rukmanikanthan Shanmugam, Kwan Mun Keong
OBJECTIVE: To compare construct stiffness of cortical screw (CS)-rod transforaminal lumbar interbody fusion (TLIF) construct (G2) versus pedicle screw (PS)-rod TLIF construct (G1) in the standardized porcine lumbar spine. METHODS: Six porcine lumbar spines (L2-L5) were separated into 12 functional spine units. Bilateral total facetectomies and interlaminar decompression were performed for all specimens. Non-destructive loading to assess stiffness in lateral bending, flexion and extension as well as axial rotation was performed using a universal material testing machine...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28216750/early-results-of-thoraco-lumbar-burst-fracture-treatment-using-selective-corpectomy-and-rectangular-cage-reconstruction
#2
Bowei Liang, Guofeng Huang, Luobing Ding, Liangqi Kang, Mo Sha, Zhenqi Ding
BACKGROUND: Subsidence and late fusion are commonly observed in anterior subtotal corpectomy and reconstruction for treating thoracolumbar burst fractures. The subsidence rate of this surgical method was reported from 19.6% to 75% in the literatures, which would cause treatment failure. Thus, an improvement of anterior surgery technique should be studied to reduce these complications. MATERIALS AND METHODS: 130 patients of thoracolumbar burst fractures treated by minimal corpectomy, decompression and U cage, between January 2009 and December 2010 were included in this study...
January 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28207618/magnetic-resonance-imaging-evaluation-of-the-effects-of-surgical-invasiveness-on-paravertebral-muscles-after-muscle-preserving-interlaminar-decompression-mild
#3
Hitoshi Tonomura, Yoichiro Hatta, Yasuo Mikami, Takumi Ikeda, Tomohisa Harada, Masateru Nagae, Hironori Koike, Hitoshi Hase, Toshikazu Kubo
STUDY DESIGN: This is a retrospective study. OBJECTIVES: The aim of this study was to determine the extent of damage to the paravertebral muscles after muscle-preserving interlaminar decompression (MILD) using magnetic resonance imaging to evaluate changes in the multifidus muscle (MF). SUMMARY OF BACKGROUND DATA: Short-term surgical outcomes of MILD for lumbar spinal canal stenosis (LSCS) are satisfactory; however, the extent of damage to the paravertebral muscles after MILD remains unclear...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28204925/circumferential-fusion-for-degenerative-lumbar-spondylolisthesis-complicated-by-distal-junctional-grade-4-spondylolisthesis-in-the-sub-acute-post-operative-setting
#4
Alexander A Theologis, Deeptee Jain, Christopher P Ames, Murat Pekmezci
INTRODUCTION: Surgical management for lumbar stenosis is generally safe and provides significant improvements in pain, disability, and function. Successful lumbar decompression hinges on removing an appropriate amount of lamina and other compressive pathology in the lateral recess. Too little bony decompression can result in persistent pain and disability, while over resection of the pars and/or facets may jeopardize spinal stability. CASE REPORT: In this unique report, we present for the first time an acute iatrogenic grade 4 L5-S1 spondylolisthesis distal to a L3-5 laminectomy and circumferential instrumented fusion due to bilateral iatrogenic L5 pars fractures and its management and clinical outcomes after revision operation...
February 15, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28187073/prolonged-preoperative-opioid-therapy-in-patients-with-degenerative-lumbar-stenosis-in-a-workers-compensation-setting
#5
Erik Y Tye, Joshua Anderson, Mhamad Faour, Arnold Haas, Rick Percy, Stephen T Woods, Uri M Ahn, Nicholas Ahn
STUDY DESIGN: Retrospective cohort study OBJECTIVE.: To investigate the impact of prolonged opioid use in the preoperative treatment plan of degenerative lumbar stenosis (DLS) SUMMARY OF BACKGROUND DATA.: Patients undergoing operative treatment for DLS with concomitant opioid use represent a clinically challenging population. The relative paucity of data on the relationship between preoperative opioid use and clinical outcomes in the Workers' compensation (WC) population necessitates further study of this unique population...
February 9, 2017: Spine
https://www.readbyqxmd.com/read/28185063/osteochondral-loose-body-an-unusual-cause-of-lumbar-spinal-stenosis
#6
Katrina Treon, M Ockendon
Lumbar spinal stenosis is most often a degenerate condition observed in the older population. We describe the case of a lady with typical claudicant symptoms with an unusual cause of stenosis identified at the time of her decompressive surgery. On review of the literature this is only the second case of osteochondral loose body as a cause for lumbar spinal stenosis and thus remains a rare phenomenon.
February 9, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28180981/does-pre-operative-magnetic-resonance-imaging-of-the-lumbar-multifidus-muscle-predict-clinical-outcomes-following-lumbar-spinal-decompression-for-symptomatic-spinal-stenosis
#7
Mario G T Zotti, F Vilas Boas, T Clifton, M Piche, W W Yoon, B J C Freeman
PURPOSE: To investigate whether pre-operative magnetic resonance imaging (MRI) of the lumbar multifidus muscle (LMM) would predict clinical outcomes following lumbar spinal decompression for symptomatic spinal stenosis. METHODS: A prospective cohort of patients with symptomatic neurogenic claudication, documented spinal stenosis on pre-operative MRI underwent spinal decompression. All subjects completed standardised outcome measures (Core Outcome Measures Index (COMI), Oswestry Disability Index (ODI v2...
February 8, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28178992/percutaneous-transforaminal-endoscopic-surgery-ptes-for-symptomatic-lumbar-disc-herniation-a-surgical-technique-outcome-and-complications-in-209-consecutive-cases
#8
Yu-Tong Gu, Zhan Cui, Hong-Wei Shao, Yun Ye, Ai-Qun Gu
BACKGROUND: We designed an easy posterolateral transforaminal endoscopic decompression technique, termed PTES, for radiculopathy secondary to lumbar disc herniation. The purpose of the study is to describe the technique of PTES and evaluate the efficacy and safety for treatment of lumbar disc herniation including primary herniation, reherniation, intracanal herniation, and extracanal herniation and to report outcome and complications. METHODS: PTES was performed to treat 209 cases of intracanal or extracanal herniations with or without extruding or sequestrated fragment, high iliac crest, scoliosis, calcification, or cauda equina syndrome including recurrent herniation after previous surgical intervention at the index level or adjacent disc herniation after decompression and fusion...
February 8, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28164163/change-of-sagittal-spinal-alignment-and-its-association-with-pain-and-function-after-lumbar-surgery-augmented-with-an-interspinous-implant
#9
Rebecca J Crawford, Quentin J Malone, Roger I Price
BACKGROUND: Interspinous spacer/implants like the Device for Intervertebral Assisted Motion (DIAM™) are controversially yet commonly used in the surgical treatment of lumbar degenerative pathologies. Criticism is based on ill-defined indications, lack of superiority over decompression, and a poorly understood mechanical effect. Yet, continued use by surgeons implies their perceived clinical merit. We examined radiographic spinal alignment for 12 months, and pain and function for 24 months, after DIAM-augmented surgery to improve the understanding of the mechanical effect relating to clinical outcomes in patients...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28161752/reversibility-of-nerve-root-sedimentation-sign-in-lumbar-spinal-stenosis-patients-after-decompression-surgery
#10
Christian Barz, Markus Melloh, Lukas P Staub, Sarah J Lord, Harry R Merk, Thomas Barz
PURPOSE: The nerve root sedimentation sign (SedSign) is a magnetic resonance imaging (MRI) sign for the diagnosis of lumbar spinal stenosis (LSS). It is included in the assessment of LSS to help determine whether decompression surgery is indicated. Assessment of the reversibility of the SedSign after surgery may also have clinical implications for the decision about whether or not a secondary operation or revision is needed. This study investigated if lumbar decompression leads to a reversal of the SedSign in patients with LSS and a positive SedSign pre-operatively; and if a reversal is associated with more favourable clinical outcomes...
February 4, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28161236/minimally-invasive-decompression-surgery-for-lumbar-spinal-stenosis-with-degenerative-scoliosis-predictive-factors-of-radiographic-and-clinical-outcomes
#11
Akihito Minamide, Munehito Yoshida, Hiroki Iwahashi, Andrew K Simpson, Hiroshi Yamada, Hiroshi Hashizume, Yukihiro Nakagawa, Hiroshi Iwasaki, Shunji Tsutsui, Ryohei Kagotani, Mayumi Sonekatsu, Takahide Sasaki, Kazunori Shinto, Tsuyoshi Deguchi
There is ongoing controversy regarding the most appropriate surgical treatment for lumbar spinal stenosis (LSS) with concurrent degenerative lumbar scoliosis (DLS): decompression alone, decompression with limited spinal fusion, or long spinal fusion for deformity correction. The coexistence of degenerative stenosis and deformity is a common scenario; Nonetheless, selecting the appropriate surgical intervention requires thorough understanding of the patients clinical symptomatology as well as radiographic parameters...
February 1, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28159488/lateral-lumbar-retroperitoneal-transpsoas-approach-in-the-setting-of-spondylodiscitis-a-technical-note
#12
George M Ghobrial, Fadi Al-Saiegh, Daniel Franco, Daniel Benito, Joshua Heller
Thoracolumbar spondylodiscitis is a morbid disease entity, impacting a sick patient population with multiple comorbidities. Wherever possible, surgical measures in this population should limit the extent of soft tissue disruption and overall morbidity that is often associated with anteroposterior thoracolumbar decompression and fusion. The authors describe the rationale, technique, and use of the lateral lumbar transpsoas retroperitoneal approach in tandem with posterior decompression and instrumented fusion in the treatment of circumferential thoracolumbar spondylodiscitis with or without epidural abscesses...
January 31, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28158159/full-endoscopic-assisted-lumbar-decompressive-surgery-performed-in-an-outpatient-ambulatory-facility-report-of-5-years-of-complications-and-risk-factors
#13
Solomon Kamson, Andrea M Trescot, Paul D Sampson, Yiyi Zhang
BACKGROUND: Minimally invasive surgery (MIS) technique is becoming the standard tissue sparing approach for decompression of lumbar central and lateral recess stenosis, intervertebral disc herniation, or any situation that would have required extensive open decompression laminectomy. Full-endoscopic or arthroscopic assisted surgery is arguably the "ultra-MIS" approach to lumbar spinal pathology. Age and body mass index (BMI) are significant risk factors to be considered in full-endoscopic assisted ultra-MIS...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28156180/diagnosis-of-optic-nerve-sheath-meningioma-during-optic-nerve-sheath-decompression
#14
Austin R Meeker, Melissa W Ko, Bryant P Carruth, Kenneth B Strumpf, Thomas A Bersani
Optic nerve sheath meningioma (ONSM) is typically diagnosed based on clinical suspicion and imaging characteristics and is most often treated with radiation. Historically, biopsy, optic nerve sheath decompression, and debulking surgeries have been avoided for fear of optic nerve vascular disruption and tumor spread into the orbit. This is a case of a 48-year-old man who presented with unilateral optic disc edema, declining visual acuity, and a visual field defect. Despite an initial improvement with acetazolamide, his vision subsequently worsened...
February 3, 2017: Orbit
https://www.readbyqxmd.com/read/28155820/analysis-of-reasons-for-failure-of-surgery-for-degenerative-disease-of-lumbar-spine
#15
Alicja Baranowska, Joanna Baranowska, Paweł Baranowski
BACKGROUND: In the aging society, there is a growing number of patients with advanced degenerative disease of the spine. These patients frequently require surgical treatment. This paper aims to analyse the reasons for failure of surgery for degenerative disease of the lumbar spine. MATERIAL AND METHODS: Histories of patients operated on by one group of surgeons in the Neuroorthopaedic Department of "STOCER" in 2014 and 2015 due to degenerative disease of the lumbar spine were analysed retrospectively...
March 23, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28153626/contralateral-interlaminar-keyhole-percutaneous-endoscopic-surgery-in-patients-with-unilateral-radiculopathy-technical-notes
#16
Jae Ha Hwang, Cheul Woong Park
OBJECTIVE: Percutaneous endoscopic surgery is increasingly used as an alternative to open microsurgery for treating lumbar spinal diseases. The purpose of this study was to determine the feasibility and efficacy of contralateral keyhole endoscopic surgery (CKES) for treating unilateral radiculopathy. METHODS: We performed percutaneous endoscopic sublaminar decompression via the contralateral interlaminar approach in 14 patients with unilateral radiculopathy. All procedures were performed under epidural anesthesia...
January 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28151909/incidence-and-risk-factors-of-adjacent-segment-disease-following-posterior-decompression-and-instrumented-fusion-for-degenerative-lumbar-disorders
#17
Hui Wang, Lei Ma, Dalong Yang, Tao Wang, Sen Liu, Sidong Yang, Wenyuan Ding
The purpose of this study was to explore incidence and risk factors of adjacent segment disease (ASD) following posterior decompression and instrumented fusion for degenerative lumbar disorders, and hope to provide references in decision making and surgical planning for both spinal surgeon and surgically treated patients.By retrieving the medical records from January 2011 to December 2013 in our hospital, 237 patients were retrospectively reviewed. According to the occurrence of ASD at follow up, patients were divided into 2 groups: ASD and N-ASD group...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28127376/safety-and-efficacy-of-mini-open-transforaminal-lumbar-interbody-fusion
#18
Mohamed M Mohi Eldin, Ehab M Eissa, Haitham M Elmorsy
OBJECTIVE: Mini-transforaminal lumbar interbody fusion (Mini-TLIF) and other minimally invasive approaches introduced for the purpose of treating lumbar degenerative disc disease and instability are achieving high success and safety rates as the conventional approaches. Moreover, it has less soft tissue damage, minimal blood loss, and less hospital stay. METHODS: A prospective study was conducted from 2012 to 2014 on 28 patients who were subjected to Mini-open TLIF combined with transpedicular screw fixation for spondylolisthesis and degenerative disc disease...
December 2016: Korean Journal of Spine
https://www.readbyqxmd.com/read/28124176/charcot-spinal-arthropathy-in-patients-with-congenital-insensitivity-to-pain-a-report-of-two-cases-and-review-of-the-literature
#19
REVIEW
Michael D Staudt, Christopher S Bailey, Fawaz Siddiqi
Charcot spine, or neuropathic spinal arthropathy, involves the progressive destruction of the spinal joint due to the lack of normal protective sensations and proprioception. A rare cause of Charcot spine is congenital insensitivity to pain, which is an absent or abnormal response to painful stimuli. There are few case reports describing this condition, and long-term follow-up data are limited. The presentation and treatment of two patients with Charcot spine secondary to congenital insensitivity to pain are described...
January 26, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28123921/relief-of-lumbar-symptoms-after-cervical-decompression-in-patients-with-tandem-spinal-stenosis-presenting-with-primarily-lumbar-pain
#20
Daniel R Felbaum, Islam Fayed, Jeffrey J Stewart, Faheem A Sandhu
OBJECTIVE: Tandem cervical and lumbar spinal stenosis (TSS) is classically described as intermittent claudication, gait disturbance, and clinical findings of mixed myelopathy and polyradiculopathy. Rarely, patients can present with TSS manifesting in isolated lumbar pain. Several reports have demonstrated improved lumbar back pain and radiculopathy after decompressive cervical spine procedures. We present six patients with dramatic resolution of lumbar spine related symptoms after decompression of the cervical spinal cord despite presenting solely with lower back complaints...
December 24, 2016: Curēus
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