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https://www.readbyqxmd.com/read/28223250/dorsal-cervical-spinal-cord-herniation-precipitated-by-kyphosis-deformity-correction-for-spinal-cord-tethering
#1
Robert S Heller, Steven W Hwang, Ron I Riesenburger
INTRODUCTION: Cervical spinal cord herniation (SCH) is a rare clinical entity. Reported following prior intradural surgery or surgery complicated by durotomy, patients return several months to years later with symptoms of worsening myelopathy. Herein is presented a case of a 51-year old female with SCH in the cervical spine following kyphosis deformity correction CASE DESCRIPTION: A 51-year old female presented to the Neurosurgery clinic with worsening cervical myelopathy due to cervical spinal cord tethering and adhesions from prior intradural surgery for Chiari malformation...
February 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28192262/intra-operative-ultrasonography-for-definition-of-less-invasive-surgical-technique-in-patients-with-chiari-type-i-malformation
#2
Roger Schmidt Brock, Mario Augusto Taricco, Matheus Fernandes de Oliveira, Marcelo de Lima Oliveira, Manoel Jacobsen Teixeira, Edson Bor-Seng-Shu
INTRODUCTION: Chiari malformation Type I (CM) is the main congenital malformation disease of the craniovertebral junction. The ideal surgical treatment is still controversial. Invasive procedures inside CSF space and associated with dural repair are considered the gold standard, however a less invasive surgery with isolated bone decompression without dural opening may be possible in selected patients.. Our study evaluates the efficacy of intra-operative CSF flow measurement with ultrasonography (USG) as a determining parameter in the selection of these patients...
February 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28144849/biocompatible-bacterial-cellulose-membrane-in-dural-defect-repair-of-rat
#3
Frederico de Melo Tavares de Lima, Flávia Cristina Morone Pinto, Belmira Lara da Silveira Andrade-da-Costa, Jaiurte Gomes Martins da Silva, Olávio Campos Júnior, José Lamartine de Andrade Aguiar
Duraplasty is necessary in nearly 30% of all neurological surgeries. Different tissues and materials have been evaluated in dura mater repair or as dural substitutes in neurosurgery. The aim was to evaluate the biocompatibility of the bacterial cellulose (BC) membranes, produced from sugarcane molasses, for dural defect repair in rats. Forty adults males Wistar rats divided into two groups: a control (ePTFE) and an experimental (BC). Bilateral frontoparietal craniectomy was performed, and a dural defect was created...
March 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28121938/comparison-of-posterior-fossa-decompression-with-and-without-duraplasty-for-the-surgical-treatment-of-chiari-malformation-type-i-in-adult-patients-a-retrospective-analysis-of-103-patients
#4
COMPARATIVE STUDY
Junchen Chen, Yongning Li, Tianyu Wang, Jun Gao, Jincheng Xu, Runlong Lai, Dianhui Tan
Chiari malformation type I (CM-I) is a congenital neurosurgical disease about the herniation of cerebellar tonsil through the foramen magnum. A variety of surgical techniques for CM-I have been used, and there is a controversy whether to use posterior fossa decompression with duraplasty (PFDD) or posterior fossa decompression without duraplasty (PFD) in CM-I patients. Here, we compared the clinical results and effectiveness of PFDD and PFD in adult patients with CM-I. The cases of 103 adult CM-I patients who underwent posterior fossa decompression with or without duraplasty from 2008 to 2014 were reviewed retrospectively...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28110458/experimental-evaluation-of-new-chitin-chitosan-graft-for-duraplasty
#5
M Pogorielov, A Kravtsova, G C Reilly, V Deineka, G Tetteh, O Kalinkevich, O Pogorielova, R Moskalenko, G Tkach
Natural materials such as collagen and alginate have promising applications as dural graft substitutes. These materials are able to restore the dural defect and create optimal conditions for the development of connective tissue at the site of injury. A promising material for biomedical applications is chitosan-a linear polysaccharide obtained by the deacetylation of chitin. It has been found to be nontoxic, biodegradable, biofunctional and biocompatible in addition to having antimicrobial characteristics. In this study we designed new chitin-chitosan substitutes for dura mater closure and evaluated their effectiveness and safety...
February 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28097250/spinal-cord-compression-from-wegener-s-granulomatosis-an-unusual-presentation
#6
Deb Roy, Prashanth J Rao, Kevin Phan, Ralph J Mobbs, Michael Selby
Wegener's granulomatosis (WG) causing spinal cord compression is very rare with only few cases reported in literature. We present a case report with review of literature. A 55-year-old lady with known WG presented with acute on chronic spinal cord compression. MRI scan revealed spinal cord compression anteriorly and posteriorly at T2-T5 level. Patient underwent urgent surgical decompression with excision of the posterior dural lesion with synthetic duraplasty. Patient made good neurological recovery. Histopathology revealed features consistent with WG...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28094426/the-role-of-cine-flow-magnetic-resonance-imaging-in-patients-with-chiari-0-malformation
#7
Kerem Mazhar Ozsoy, Kadir Oktay, Nuri Eralp Cetinalp, Yurdal Gezercan, Tahsin Erman
AIM: The aim of this study was to define the role of phase-contrast cine magnetic resonance imaging in deciding the therapeutic strategy and underlying pathophysiology resulting in syrinx formation in patients with Chiari type 0 malformation. MATERIAL AND METHODS: Seven patients admitted to our clinic with diagnosis of Chiari 0 malformations during the period January 2005 to July 2016 were enrolled in the study. All patients underwent a detailed preoperative neurological examination...
December 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28052881/headache-outcomes-in-children-undergoing-foramen-magnum-decompression-for-chiari-i-malformation
#8
Saba Raza-Knight, Kshitij Mankad, Prab Prabhakar, Dominic Thompson
OBJECTIVE: A common symptom of Chiari I malformation (CIM) is headache, which is diagnosed using non-validated criteria from the International Headache Society (IHS). CIM-associated headaches should resolve following neurosurgical treatment of the malformation by foramen magnum decompression (FMD). We aimed to validate the IHS criteria and determine (1) the efficacy of FMD in treating headache and (2) whether duraplasty confers an advantage over simple bony decompression in the treatment of this symptom...
January 4, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28042220/internal-carotid-artery-fibromuscular-dysplasia-in-a-child-incidental-postmortem-finding-after-head-injury
#9
Arulselvi Subramanian, Garima Aggarwal, Deepak Agarwal, Sanjeev Lalwani
Fibromuscular dysplasia (FMD) is a rare, segmental, nonatheromatous, and noninflammatory arterial disease of unknown etiology. It predominantly involves renal artery (60-75%) followed by extracranial part of the internal carotid artery and vertebral arteries (25-30%). The disease typically affects middle-aged women and involves intermediate-sized arteries throughout the body. There are rare case reports of extracranial FMD compounding a trauma case. A patient was brought to trauma center emergency with a history of fall from height...
January 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28038480/intracranial-ameloblastoma-arising-from-the-maxilla-an-interdisciplinary-surgical-approach
#10
Johanna Quick-Weller, Felix Koch, Nazife Dinc, Stephanie Lescher, Peter Baumgarten, Patrick Harter, Friedrich Scheerer, Robert Sader, Volker Seifert, Gerhard Marquardt, Thomas Freiman
Background Ameloblastomas are a rare tumor entity accounting for only 10% of all odontogenic tumors. They mostly originate from the mandible. Only a few cases are known to grow aggressively and to invade the orbit, nasal cavity, or even the brain. Patient and Methods/Case Report We present the case of a 57-year-old patient who was admitted with a huge tumor involving the nasal cavity, the left maxilla, and the anterior fossa. Histologic diagnosis was made by biopsy. A combined two-stage neurosurgical maxillofacial approach was planned...
December 30, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27858679/entire-syringomyelia-associated-with-chiari-ii-malformation-and-severe-scoliosis-and-hydrocephalus
#11
Jie Liang, Weifei Wu, Neng Ru, Jianfeng Chen
BACKGROUND: The syrinx can occur in any region of the spinal cord and is common in cervical and/or thoracic region, and distributing along spinal cord is unusual, especially association with Chiari II malformation and scoliosis. OBJECTIVE: To report a first case of entire syringomyelia associated with Chiari II malformation and severe scoliosis and hydrocephalus. CASE PRESENTATION: The patient began to experience symptoms of bilateral hand weakness in adulthood...
November 18, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27816775/adding-expansile-duraplasty-to-posterior-fossa-decompression-may-restore-cervical-range-of-motion-in-grade-3-chiari-i-malformation-patients
#12
Adem Yilmaz, Kamran Urgun, Salah G Aoun, Ibrahim Colak, Ilhan Yilmaz, Kadir Altas, Murat Musluman
No abstract text is available yet for this article.
November 2, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27798986/chiari-related-hydrocephalus-assessment-of-clinical-risk-factors-in-a-cohort-of-297-consecutive-patients
#13
Jian Guan, Jay Riva-Cambrin, Douglas L Brockmeyer
OBJECTIVE Patients treated for Chiari I malformation (CM-I) with posterior fossa decompression (PFD) may occasionally and unpredictably develop postoperative hydrocephalus. The clinical risk factors predictive of this type of Chiari-related hydrocephalus (CRH) are unknown. The authors' objective was to evaluate their experience to identify risk factors that may predict which of these patients undergoing PFD will develop CRH after surgery. METHODS The authors performed a retrospective clinical chart review of all patients who underwent PFD surgery and duraplasty for CM-I at the Primary Children's Hospital in Utah from June 1, 2005, through May 31, 2015...
November 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27752035/application-of-compont-medical-adhesive-glue-for-tension-reduced-duraplasty-in-decompressive-craniotomy
#14
Yujia Zhou, Gesheng Wang, Jialin Liu, Yong Du, Lei Wang, Xiaoyong Wang
BACKGROUND The aim of this study was to evaluate the application of medical adhesive glue for tension-reduced duraplasty in decompressive craniotomy. MATERIAL AND METHODS A total of 56 cases were enrolled for this study from Jan 2013 to May 2015. All patients underwent decompressive craniotomy and the dura was repaired in all of them with tension-reduced duraplasty using the COMPONT medical adhesive to glue artificial dura together. The postoperative complications and the healing of dura mater were observed and recorded...
October 14, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27636866/effects-of-early-surgical-decompression-on-functional-and-histological-outcomes-after-severe-experimental-thoracic-spinal-cord-injury
#15
Devesh Jalan, Neginder Saini, Mohammad Zaidi, Alexandra Pallottie, Stella Elkabes, Robert F Heary
OBJECTIVE In acute traumatic brain injury, decompressive craniectomy is a common treatment that involves the removal of bone from the cranium to relieve intracranial pressure. The present study investigated whether neurological function following a severe spinal cord injury improves after utilizing either a durotomy to decompress the intradural space and/or a duraplasty to maintain proper flow of cerebrospinal fluid. METHODS Sixty-four adult female rats (n = 64) were randomly assigned to receive either a 3- or 5-level decompressive laminectomy (Groups A and B), laminectomy + durotomy (Groups C and D), or laminectomy + duraplasty with graft (Group E and F) at 24 hours following a severe thoracic contusion injury (200 kilodynes)...
January 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27593828/fleece-bound-tissue-sealing-in-microvascular-decompression
#16
Levent Tanrikulu, Michael Buchfelder, Ramin Naraghi
AIM: There is a feared complication for cerebrospinal fluid (CSF) leakage after microvascular decompression (MVD). In this study we present our experience of fleece-bound tissue sealing in MVD with our aim to minimize the rate of postoperative CSF leakage. MATERIAL AND METHODS: We treated 50 patients (female/male: 26/24) with neurovascular compression (NVC) syndromes (trigeminal neuralgia, hemifacial spasm and glossopharyngeal neuralgia) by MVD from the year 2003 to 2006...
April 20, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27573703/the-role-of-intraoperative-neuromonitoring-in-adults-with-chiari-i-malformation
#17
Florian Roser, Florian H Ebner, Marina Liebsch, Marcos S Tatagiba, Georgios Naros
OBJECT: Suboccipital decompression and duraplasty is considered the treatment of choice for Chiari-I-malformation. Several studies have shown improvement of neurophysiological parameters during decompressive surgery in pediatric patients. However, there is no evidence of the beneficial role of intraoperative neuromonitoring in adults. METHODS: A total of 39 consecutive patients (25 female, age 41.1±14.5 years [mean±SD]) underwent suboccipital decompression for the treatment of symptomatic Chiari-I-malformation senior neurosurgeon and his team...
November 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27500770/-posterior-decompression-of-the-craniovertebral-junction-in-children-with-chiari-malformation-a-surgery-extent-issue
#18
A E Korshunov, Yu V Kushel'
AIM: The study objective was to develop a rational approach for defining the extent of posterior decompression in children with Chiari 1 malformation. MATERIAL AND METHODS: Posterior decompression was performed in 76 children with Chiari 1 malformation, under 18 years of age, in the period between 2001 and 2015. Fifty two (68%) children had syringomyelia. Extradural decompression (EDD) was performed in 14 (18%) cases, extra-arachnoid duraplasty (EAD) in 21 (28%) cases, intra-arachnoid dissection and duraplasty in 21 (28%) cases, and foramen of Magendie stenting and duraplasty in 20 (26%) cases...
2016: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/27494782/magnetic-resonance-imaging-based-measures-predictive-of-short-term-surgical-outcome-in-patients-with-chiari-malformation-type-i-a-pilot-study
#19
Noam Alperin, James Ryan Loftus, Ahmet M Bagci, Sang H Lee, Carlos J Oliu, Ashish H Shah, Barth A Green
OBJECTIVE This study identifies quantitative imaging-based measures in patients with Chiari malformation Type I (CM-I) that are associated with positive outcomes after suboccipital decompression with duraplasty. METHODS Fifteen patients in whom CM-I was newly diagnosed underwent MRI preoperatively and 3 months postoperatively. More than 20 previously described morphological and physiological parameters were derived to assess quantitatively the impact of surgery. Postsurgical clinical outcomes were assessed in 2 ways, based on resolution of the patient's chief complaint and using a modified Chicago Chiari Outcome Scale (CCOS)...
January 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27487559/evaluation-of-efficacy-and-biocompatibility-of-a-new-absorbable-synthetic-substitute-as-a-dural-onlay-graft-in-a-large-animal-model
#20
Kunxue Deng, Xun Ye, Yaya Yang, Man Liu, Ali Ayyad, Yuanli Zhao, Yuyu Yuan, Jizong Zhao, Tao Xu
BACKGROUND: Numerous dura substitutes are commercially available, but no absorbable synthetic dura repair product has been used for both onlay and suture applications. OBJECTIVE: The safety and effectiveness of a new absorbable synthetic substitute composed of Poly-L-lactide microfibers as onlay dural graft were evaluated. METHODS: Physical properties and performance of the microfibrous synthetic dural substitute implanted as an onlay or suturable grafts were compared with these commercial products, including CODMAN ETHISORB™ Dura Patch and DuraGen™ Dural Graft Matrix, in a canine duraplasty model...
September 2016: Neurological Research
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