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Laminectomy

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https://www.readbyqxmd.com/read/28080915/dorsal-laminectomy-to-relieve-spinal-cord-compression-in-a-captive-syrian-bear-ursus-arctos-syriacus
#1
Ariela Rosenzweig Büeler, Yael Merbl, Yishai Kushnir, Orit Chai, Itzhak Aizenberg, Igal Horowitz, Einat Matalon, Doron Tam, Merav H Shamir
A 19-yr-old captive male Syrian bear ( Ursus arctos syriacus) presented with a right hind limb lameness that progressed to nonambulatory paraparesis over the course of 2 wk. When night enclosure confinement and a short course of glucocorticoids and antibiotics did not lead to improvement, radiographs were performed, followed by cerebrospinal fluid analysis and myelography, revealing a dynamic spinal cord compression at the level of T2-T3. Dorsal laminectomy of both T2 and T3 was performed to allow decompression...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28079662/recognition-of-a-thoracic-epidural-hematoma-in-the-setting-of-transient-paralysis-a-case-report
#2
Beth VanderWielen, Lindsay Rubenstein, Marc Shnider, Cindy Ku, Jason Wakakuwa
A 71-year-old woman on aspirin presented for a distal pancreatectomy, splenectomy, and partial colectomy with a T8/9 epidural catheter placed preoperatively in 3 attempts. Prophylactic 5000 units of subcutaneous heparin were given before the procedure. After catheter removal on postoperative day 2, the patient developed transient bilateral lower extremity paralysis, with near complete recovery within 30 minutes. An urgent MRI revealed a T4-T8 epidural hematoma prompting an emergent T3-T8 laminectomy. This case presentation highlights the need for heightened awareness regarding complications related to neuraxial analgesia in patients receiving unfractionated heparin for thromboembolism prophylaxis with concurrent aspirin use...
January 11, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28075496/effect-of-dorsal-laminectomy-and-dorsal-annulectomy-with-partial-lumbosacral-discectomy-on-the-volume-of-the-lateral-intervertebral-neuroforamina-in-dogs-when-the-lumbosacral-junction-is-extended
#3
Andrew J Worth, Angela Hartman, Janis P Bridges, Boyd R Jones, Joe I G Mayhew
OBJECTIVE: To determine the effect of dorsal annulectomy and partial discectomy on the volume of the lumbosacral lateral intervertebral neurovascular foramina (intervertebral foramina) in canine cadavers during extension of the lumbosacral junction. STUDY DESIGN: Ex vivo experiment. SAMPLE POPULATION: Lumbosacral specimens from 10 large breed dogs euthanatized for reasons unrelated to lumbosacral disease. METHODS: The lumbosacral specimens were clamped in a wooden jig and scanned using computed tomography (CT) with the lumbosacral junction in a neutral position and loaded in extension using a tensioning device...
January 11, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28074456/therapeutic-efficacy-of-tadalafil-and-eriythropoietin-in-experimental-spinal-cord-injury
#4
Çağrı Kökoğlu, Emre Delen, Ali Arslantaş, Didem Arslantaş, Burcu Kökoğlu, Zühtü Özbek, Sema Uslu, Ahmet Tolgay Akıncı
BACKGROUND: This experimental study was an investigation of the efficacy of erythropoietin and tadalafil in rats with induced spinal cord injury (SCI). METHODS: Thirty-five Sprague Dawley rats were distributed into 5 groups. First group was used for normal biochemical values. Spinal cord injury was induced in 4 remaining groups with clip compression technique after laminectomy process to T10 vertebra. Second group was designated solvent group and received 1 cc physiological serum after injury...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28072705/posterior-only-vertebral-column-resection-for-revision-surgery-in-post-laminectomy-rotokyphoscoliosis-associated-with-late-onset-paraplegia-a-case-report-and-literature-review
#5
Youping Tao, Jigong Wu, Huasong Ma
RATIONALE: Severe post-laminectomy spinal deformity associated with late-onset paraplegia is a complex and rare disorder. Little is known about revision surgery in post-laminectomy rotokyphoscoliosis associated with late-onset paraplegia treated by the single stage posterior-only vertebral column resection (VCR) procedure. PATIENT CONCERNS AND DIAGNOSES: The patient was a 14-year-old male diagnosed as post-laminectomy rotokyphoscoliosis associated with late-onset paraplegia...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28059684/letter-to-the-editor-should-we-really-avoid-the-supine-position-in-patients-with-spinal-cord-injury-who-undergo-laminectomy
#6
Fubing Liu, Bing Wang, Yunchao Li, Guohua Lv, Xiaoxing Jiang
No abstract text is available yet for this article.
January 6, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28059679/perioperative-outcomes-for-pediatric-neurosurgical-procedures-analysis-of-the-national-surgical-quality-improvement-program-pediatrics
#7
Benjamin J Kuo, Joao Ricardo N Vissoci, Joseph R Egger, Emily R Smith, Gerald A Grant, Michael M Haglund, Henry E Rice
OBJECTIVE Existing studies have shown a high overall rate of adverse events (AEs) following pediatric neurosurgical procedures. However, little is known regarding the morbidity of specific procedures or the association with risk factors to help guide quality improvement (QI) initiatives. The goal of this study was to describe the 30-day mortality and AE rates for pediatric neurosurgical procedures by using the American College of Surgeons (ACS) National Surgical Quality Improvement Program-Pediatrics (NSQIP-Peds) database platform...
January 6, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28057094/-comparison-of-the-outcomes-between-anterior-cervical-discectomy-and-fusion-versus-posterior-laminectomy-and-fusion-for-the-treatment-of-multi-level-cervical-spondylotic-myelopathy-combined-with-cervical-kyphosis
#8
Q F Shen, T T Xu, Y P Xia
Objective: To compare the outcomes between anterior cervical discectomy and fusion (ACDF) and posterior laminectomy and fusion(LF) for multilevel cervical spondylotic myelopathy combined with cervical kyphosis. Methods: From January 2010 to June 2014, 54 patients with cervical spondylotic myelopathy combined with cervical kyphosis underwent surgical treatment.Among them, 29 patients were underwent ACDF, and 25 patients were underwent LF in Department of spine surgery, Tianjin Union Medical Centre. The operation time, intraoperative blood loss, fusion segments, Japanese Orthopaedic Association (JOA)score, Neck Disability Index (NDI), Visual Analog Scale (VAS), change of cervical curvature, range of motion(ROM)and complications were recorded and compared between the two groups...
December 20, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28043447/immediate-spinal-cord-collateral-blood-flow-during-thoracic-aortic-procedures-the-role-of-epidural-arcades
#9
Fabian A Kari, Karin Wittmann, Babak Saravi, Luisa Puttfarcken, Sonja Krause, Katharina Förster, Sven Maier, Ulrich Göbel, Friedhelm Beyersdorf
The objective of this study was to investigate the functional differences between paraspinal and intraspinal compartments of the spinal collateral network and the importance of circular epidural arcades in thoracic aortic surgery. N = 33 pigs (mean body weight: 34 ± 3kg) were included. A single-inlet-model of spinal collateral flow was created: paraspinal inflow into the collateral network was isolated by cephalad and caudal interruption of inflow into epidural arcades using laminectomies. Animals were assigned to treatment groups (Treatment "open" [patent epidural arcades, n = 10] and Treatment "closed" [closed epidural arcades, n = 10]) and Sham groups (Sham "open" n = 8 and Sham "closed" n = 5)...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28032698/thoracic-vertebral-hemangioma-with-spinal-cord-compression-multidisciplinary-surgical-treatment-and-follow-up-of-six-patients
#10
Hui-Lin Zhang, Yong-Cheng Hu, Rajendra Aryal, Xin He, Deng-Xing Lun, Li-Ming Zhao
OBJECTIVE: To provide useful insights of multidisciplinary surgical treatment for vertebral hemangioma with spinal cord compression. METHODS: From 2009 to 2014, data on six patients who were diagnosed with cord compression vertebral hemangioma were reviewed and analyzed retrospectively. There were five women and one man with a mean age of 48.6 years (range, 26-68 years). All the patients were treated by multidisciplinary approach, including use of gelfoam, pedicle screw instrumentation, vertebroplasty, and decompression laminectomy...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28029524/-external-lumbar-drainage-with-volumetric-continuing-infusion-pump-in-patients-with-cerebrospinal-fluid-leak-a-case-series
#11
Ana Belén Manso Melgosa, Helena García Gutiérrez, Mónica Fernández Porras, Ana Berta Castrillo Manero, Belén Pérez Marijuán
OBJECTIVE: To describe the incidence and complications arising in a number of cases of patients with cerebrospinal fluid leak treated by external lumbar drainage with infusion pump (IP) volumetric continuous from 2001 to 2014. Quantify cerebrospinal fluid leak closed by lumbar drainage with IP. METHODS: Retrospective descriptive case series study. POPULATION: patients undergoing transsphenoidal pituitary surgery, Chiari surgery and laminectomy, that developed postoperative cerebrospinal fluid leak treated with continuous external lumbar drainage by IP...
October 28, 2016: Enfermería Clínica
https://www.readbyqxmd.com/read/28028648/expansive-open-door-laminoplasty-versus-laminectomy-and-instrumented-fusion-for-cases-with-cervical-ossification-of-the-posterior-longitudinal-ligament-and-straight-lordosis
#12
Xiaowei Liu, Yu Chen, Haisong Yang, Tiefeng Li, Bin Xu, Deyu Chen
PURPOSE: To identify whether expansive open-door laminoplasty (Lam) is more appropriate than laminectomy and instrumented fusion (LIF) for cases with ossification of the posterior longitudinal ligament (OPLL) and straight cervical lordosis. METHODS: A total of 67 cases were included and divided into Group Lam (n = 32) and Group LIF (n = 35), and the mean follow-up periods were 38 and 42 months, respectively. The cervical lordosis was elevated by C2-7 Cobb angle and cervical sagittal balance by C2-C7 sagittal vertical axis (SVA)...
December 27, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28028445/long-standing-lumbosacral-dermoid-tumor-and-intracranial-fat-droplet-dissemination-a-case-report
#13
Ali Babashahi, Morteza Taheri, Arash Fattahi
BACKGROUND: Dermoid tumors are slow growing, benign CNS lesions. CASE DESCRIPTION: This case study concerns a 29-year-old female with a 6-year history of lower extremity paresthesias attributed to magnetic resonance (MR)/computed tomography (CT) documented intradural dermoid tumor that extended from L1 to S1. On MR, it was hypointense on T1, hyperintense on T2, and did not enhance with gadolinium. CT showed hyperdensity at the L1-L2 levels. The craniocervical MR imaging showed small hyperintense foci in the cisternal space favoring "fat dissemination...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/28012973/methotrexate-prevents-epidural-fibrosis-through-endoplasmic-reticulum-stress-signalling-pathway
#14
Hui Chen, Lianqi Yan, Jingcheng Wang, Yu Sun, Xiaolei Li, Shuai Zhao, Daxin Wang, Gengyao Zhu, Yuan Liang
Lumbar laminectomy is one of the most common treatments for lumbar disc herniation and other lumbar disorders with serious complications, such as failed back surgery syndrome, mainly caused by epidural fibrosis (EF). The developing fibrosis causes radicular pain after the laminectomy or discectomy. Methotrexate (MTX) is a folic acid antagonist that has shown anti-proliferative effects in previous studies. The aim of our experiment is to study whether MTX has positive effects on the outcome of the laminectomy in rats...
December 21, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28009771/spontaneous-spinal-subdural-hematoma
#15
Marlijn H de Beer, Marjolein M Eysink Smeets, Hille Koppen
OBJECTIVE: Spinal subdural hematomas (SSDHs) are rare. Causes are (1) posttraumatic, (2) iatrogenic (following surgery or lumbar puncture), (3) spontaneous including underlying malformations or coagulation deficits. With a systematic review of literature we want to shed light on the last group: symptomatology, etiology, treatment and outcome will we discussed. METHODS: Systematic review of literature on PubMed for cases of acute nontraumatic noniatrogenic SSDHs in adults (≥18 y of age)...
January 2017: Neurologist
https://www.readbyqxmd.com/read/27998207/application-of-the-rat-grimace-scale-as-a-marker-of-supraspinal-pain-sensation-after-cervical-spinal-cord-injury
#16
Lonnie E Schneider, Kathryn Y Henley, Omari A Turner, Betty M Pat, Tracy L Niedzielko, Candace L Floyd
Experimental models of neuropathic pain (NP) typically rely on withdrawal responses to assess the presence of pain. Reflexive withdrawal responses to a stimulus are used to evaluate evoked pain and as such do not include the assessment of spontaneous NP nor evaluation of the affective and emotional consequences of pain in animal models. Additionally, withdrawal responses can be mediated by spinal cord reflexes and may not accurately indicate supraspinal pain sensation. This is especially true in models of traumatic spinal cord injury (SCI) wherein spastic syndrome, a motor disorder characterized by exaggeration of the stretch reflex that is secondary to hyperexcitability of the spinal reflex, can cause paroxysmal withdrawals not associated with NP sensation...
December 21, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27997509/minimally-invasive-placement-of-spinal-cord-stimulator-paddle-electrodes-is-associated-with-improved-perioperative-and-long-term-experience-among-neuropathic-pain-patients
#17
Mohammed F Shamji, Darcia Paul, Alina Shcharinsky
STUDY DESIGN: Prospective, observational cohort study. OBJECTIVE: This study compared in-hospital and long-term outcomes among SCS patients undergoing paddle insertion by open or MIS approaches. SUMMARY OF BACKGROUND DATA: Patients with treatment-refractory extremity neuropathic pain may benefit from spinal cord stimulation (SCS). Conventional placement of surgical paddles for an external neurostimulation trial is through open laminectomy, but minimally-invasive surgery (MIS) techniques may offer advantages...
December 16, 2016: Spine
https://www.readbyqxmd.com/read/27994777/mini-open-anterior-lumbar-interbody-fusion-combined-with-lateral-lumbar-interbody-fusion-in-corrective-surgery-for-adult-spinal-deformity
#18
Chong-Suh Lee, Se-Jun Park, Sung-Soo Chung, Jun-Young Lee, Tae-Hoon Yum, Seong-Kee Shin
STUDY DESIGN: Prospective observational study. PURPOSE: To introduce the techniques and present the surgical outcomes of mini-open anterior lumbar interbody fusion (ALIF) at the most caudal segments of the spine combined with lateral lumbar interbody fusion (LLIF) for the correction of adult spinal deformity. OVERVIEW OF LITERATURE: Although LLIF is increasingly used to correct adult spinal deformity, the correction of sagittal plane deformity with LLIF alone is reportedly suboptimal...
December 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27993741/spinal-intradural-arachnoid-webs-causing-spinal-cord-compression-with-inconclusive-preoperative-imaging-a-report-of-three-cases-and-a-review-of-the-literature
#19
Dafang Zhang
OBJECTIVE: Spinal arachnoid webs are a rare variant of spinal arachnoid cysts where one or multiple focal membranes of arachnoid tissue obstruct the subarachnoid space. Only 11 prior cases of arachnoid webs have been reported in the literature. Our objective is to present a series of three consecutive cases of arachnoid webs from our institution and to review the literature on this rare condition to provide recommendations for its management. METHODS: A retrospective chart review was performed for three consecutive cases of intradural arachnoid webs causing spinal cord compression at our institution, with inconclusive preoperative imaging, treatment with surgical decompression and resection...
December 16, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27982764/spinal-cord-hemangioblastomas-significance-of-intraoperative-neurophysiological-monitoring-for-resection-and-long-term-outcome
#20
Sebastian Siller, Andrea Szelényi, Lisa Herlitz, Joerg Christian Tonn, Stefan Zausinger
OBJECTIVE Spinal cord hemangioblastomas are rare benign tumors developing either sporadically or as part of von Hippel-Lindau (VHL) disease. Generally, resection is the treatment of choice. However, the significance of intraoperative neurophysiological monitoring (IONM) for resection and postoperative outcome is still controversial. The authors analyzed the surgical and clinical courses of patients who had undergone resection of spinal cord hemangioblastoma, with special attention to preoperative imaging, the use of IONM, and short- and long-term outcomes...
December 16, 2016: Journal of Neurosurgery. Spine
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