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Spinal deterioration

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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/28193782/mitochondrial-mass-and-activity-as-a-function-of-body-composition-in-individuals-with-spinal-cord-injury
#2
Laura C O'Brien, Rodney C Wade, Liron Segal, Qun Chen, Jeannie Savas, Edward J Lesnefsky, Ashraf S Gorgey
Spinal cord injury (SCI) is accompanied by deterioration in body composition and severe muscle atrophy. These changes put individuals at risk for insulin resistance, type II diabetes, and cardiovascular disease. To determine the relationships between skeletal muscle mitochondrial mass, activity, and body composition, 22 men with motor complete SCI were studied. Body composition assessment was performed using dual-energy X-ray absorptiometry and magnetic resonance imaging. Skeletal muscle biopsies were obtained from the vastus lateralis muscle to measure citrate synthase (CS) and complex III (CIII) activity...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28193282/preoperative-embolization-in-patients-with-metastatic-spinal-cord-compression-mandatory-or-optional
#3
Chul Gie Hong, Jae Hwan Cho, Dae Chul Suh, Chang Ju Hwang, Dong-Ho Lee, Choon Sung Lee
BACKGROUND: The contribution of preoperative embolization in reducing intraoperative blood loss and its clinical importance are unclear. So, we aimed to compare the perioperative clinical outcomes based on whether preoperative embolization was performed and assess the role and safety of preoperative embolization in metastatic spinal cord compression (MSCC) patients. METHODS: We enrolled 52 patients (men, 37; women, 15) who underwent palliative decompression for MSCC...
February 14, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28183145/minimally-invasive-microscopic-posterior-cervical-decompression-simple-safe-and-effective
#4
Pierluigi Vergara
Background and Study Aims Cervical spondylotic myelopathy (CSM) is the most common cause of spinal cord dysfunction in the elderly population. Surgery is usually successful in preventing any deterioration, as well as improving functional status and quality of life. This study assesses the safety and efficacy of minimally invasive microscopic posterior cervical decompression for the treatment of CSM. Materials and Methods A retrospective review of patients with myelopathy from cervical stenosis treated with minimally invasive posterior cervical decompression was performed...
February 9, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28182597/surgical-treatment-for-subaxial-cervical-facet-dislocations-with-incomplete-or-without-neurological-deficit-a-prospective-study-of-52-cases
#5
Xingjie Jiang, Yu Yao, Mingchen Yu, Yong Cao, Huilin Yang
BACKGROUND This study aimed to treat patients with subaxial cervical facet dislocations with incomplete or without neurological deficit by a prospectively designed surgical protocol and observe the short-term clinical outcomes. MATERIAL AND METHODS Fifty-two consecutive subaxial cervical dislocation patients with incomplete or without neurological deficit were enrolled. The surgical strategy was determined based on whether or not the initial anterior closed reduction was successful and whether or not the patients were simultaneously combined with traumatic disc herniation (TDH)...
February 9, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28176604/c5-nerve-root-palsy-after-posterior-cervical-spine-surgery
#6
Fu-Min Pan, Shan-Jin Wang, Bin Ma, De-Sheng Wu
BACKGROUND: C5 palsy is a serious complication after cervical decompression surgery in which the patient shows a deterioration in power of the deltoid or biceps brachii by at least one grade in the manual muscle test without aggravation of lower extremity function. Although there are several hypotheses regarding the etiology of C5 palsy, the pathogenesis and preventive measures remain unidentified and many other controversies remain. OBJECTIVE: To systematically review the clinical features, risk factors, mechanism, and preventive measures of C5 palsy after posterior cervical decompression surgery...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28154973/progression-of-postural-changes-in-parkinson-s-disease-quantitative-assessment
#7
Alexander Khlebtovsky, Ruth Djaldetti, Yaniv Rodity, Ofir Keret, Gloria Tsvetov, Ilana Slutzcki-Shraga, Felix Benninger
Previous studies of posture in Parkinson's disease (PD) patients focused on the pathophysiology of severe deformities, using mainly subjective estimations or goniometric measures. The aim of this study was to investigate risk factors associated with flexed posture in PD and their effects on the course of posture variations. One hundred-ninety patients with definite PD were prospectively evaluated for angles of spinal inclination in upright position, extension, and flexion using a mechanical computer-assisted, hand-held device (SpinalMouse)...
February 2, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28132610/upper-limb-recovery-in-spinal-cord-injury
#8
Jens A Petersen, Martina Spiess, Armin Curt, Norbert Weidner, Rüdiger Rupp, Rainer Abel, Martin Schubert
BACKGROUND AND OBJECTIVE: The course of central and peripheral motor recovery after cervical spinal cord injury (SCI) may be investigated by electrophysiological measures. The goal of this study was to compare the 2 over the first year after injury in relation to motor gains. METHODS: Compound motor action potentials (CMAPs), motor-evoked potentials (MEPs), and F-waves were recorded from the abductor digiti minimi and CMAP and F-waves from abductor hallucis muscles in 305 patients at about 15 days, 1 month, 3 months, 6 months, and 12 months following an acute traumatic SCI...
January 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28128699/surgical-results-and-complications-of-anterior-decompression-and-fusion-as-a-revision-surgery-after-initial-posterior-surgery-for-cervical-myelopathy-due-to-ossification-of-the-posterior-longitudinal-ligament
#9
Seiichi Odate, Jitsuhiko Shikata, Tsunemitsu Soeda, Satoru Yamamura, Shinji Kawaguchi
OBJECTIVE Ossification of the posterior longitudinal ligament (OPLL) is a progressive disease. An anterior cervical decompression and fusion (ACDF) procedure for cervical OPLL is theoretically feasible, as the lesion exists anteriorly; however, such a procedure is considered technically demanding and is associated with serious complications. Cervical laminoplasty is reportedly an effective alternative procedure with few complications; it is recognized as a comparatively safe procedure, and has been widely used as an initial surgery for cervical OPLL...
January 27, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28117933/diffusion-tensor-tractography-of-pyramidal-tracts-in-patients-with-brainstem-and-intramedullary-spinal-cord-tumors-relationship-with-motor-deficits-and-intraoperative-mep-changes
#10
Tomasz Czernicki, Edyta Maj, Anna Podgórska, Przemysław Kunert, Marek Prokopienko, Arkadiusz Nowak, Andrzej Cieszanowski, Andrzej Marchel
PURPOSE: To evaluate whether pyramidal tracts course alterations observed in diffusion tensor tractography (DTT) in cases of brainstem and intramedullary spinal cord tumors reflect patient clinical status and prognosis. MATERIALS AND METHODS: For this purpose, we assessed in 17 patients relationships between pyramidal tracts course alterations observed in DTT (classified into four categories: unaffected; displaced or interspaced; partially disintegrated and completely disintegrated) performed on a 1...
January 24, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28104525/regional-spinal-cord-atrophy-is-associated-with-poor-outcome-after-surgery-on-intramedullary-spinal-cord-ependymoma-a-new-aspect-of-delayed-neurological-deterioration
#11
Bedjan Behmanesh, Florian Gessler, Johanna Quick-Weller, Andrea Spyrantis, Lioba Imöhl, Volker Seifert, Gerhard Marquardt
BACKGROUND: A considerable number of patients suffer delayed neurological deficits even after a successful removal of intramedullary spinal cord ependymoma. The underlying pathology remains unknown. Radiological findings could be an explanation for poor outcome after surgery. METHODS: We conducted a retrospective study of all cases treated from 1980 to 2016 in our department. Included were all patients with intramedullary spinal cord ependymoma treated with microsurgical excision...
January 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28103119/iatrogenic-spinal-cord-injury-in-a-trauma-patient-with-ankylosing-spondylitis
#12
Ahmad Maarouf, Colleen M McQuown, Jennifer A Frey, Rami A Ahmed, Lisa Derrick
BACKGROUND: The recommended practice for over 30 years has been to routinely immobilize patients with unstable cervical spinal injuries using cervical spinal collars. It is shown that patients with Ankylosing spondylitis (AS) are four times more likely to suffer a spinal fracture compared to the general population and have an eleven-fold greater risk of spinal cord injury. Current protocols of spinal immobilization were responsible for secondary neurologic deterioration in some of these patients...
January 19, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28102813/intramedullary-amputation-neuroma-a-case-report-and-review-of-the-literature
#13
Laura Stone McGuire, Mandana Behbahini, Sumit Das, David Loeffler, Peter Burger, Herbert Engelhard, Tibor Valyi-Nagy, Ankit Mehta
BACKGROUND AND IMPORTANCE: Amputation neuromas consist of non-neoplastic collections of myelinated axons and Schwann cells and typically arise in injured peripheral nerves. Rarely, however, neuromas occur within the spinal cord. Intramedullary amputation neuromas have been described both with and without a history of trauma within the peripheral nervous system. We report a rare case of an isolated intramedullary spinal cord amputation neuroma. CLINICAL PRESENTATION: This 43-year-old man presented with progressive and severe gait deterioration for ~ 7 years...
January 19, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28093705/manipulation-of-oxygen-and-endoplasmic-reticulum-stress-factors-as-possible-interventions-for-treatment-of-multiple-sclerosis-evidence-for-and-against
#14
Paul Eggleton, Gary R Smerdon, Janet E Holley, Nicholas J Gutowski
Multiple sclerosis (MS) is normally considered a chronic inflammatory disease of the central nervous system (CNS), where T-cells breaching the blood brain barrier react against proteins of the axonal myelin sheaths, leading to focal plaques and demyelination in the brain and spinal cord. Many current therapies are immunosuppressive in nature and are designed to target the immune system at an early stage of the disease. But there is no cure and MS may evolve into a neurodegenerative disease, where immunomodulatory treatments appear less effective...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28089423/crossed-cheiro-oral-syndrome-a-warning-sign-for-medullary-involvement-and-neurological-deterioration
#15
Wei-Hsi Chen, Tsung-Pei Yang, Hsin-Ling Yin
Crossed cheiro-oral syndrome (CCOS) is characterized by crossed sensory disturbance confined to the unilateral perioral area and contralateral hand/finger(s). Although a few classical crossed sensory syndromes accurately predict brainstem or spinal involvement, the clinical significance of CCOS remains unclear. In this study, we analyzed the etiology, localization and outcome of CCOS patients. The results showed that ischemic stroke is the exclusive cause of CCOS. The location of responsible stroke is pertinent to the middle or upper level of the lateral medulla oblongata medial to the lateral sulcus...
January 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28045855/the-interpretation-of-muscle-motor-evoked-potentials-for-spinal-cord-monitoring
#16
Karl F Kothbauer
OBJECTIVE: To provide a summary of the intraoperative monitoring of muscle motor evoked potentials (MEPs) based on the presence-absence concept during neurosurgical operations along the spinal cord. METHOD: Expert review. DISCUSSION: The measurable parameters of MEPs, such as signal amplitudes and thresholds vary considerably both during a single surgery in a single individual patient as well as between individuals and operations. The presence or absence of responses irrespective of stimulus intensity and response amplitude is much more clearly defined...
January 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28045115/skeletal-related-events-significantly-impact-health-related-quality-of-life-in-metastatic-castration-resistant-prostate-cancer-data-from-prevail-and-affirm-trials
#17
F Saad, C Ivanescu, D Phung, Y Loriot, S Abhyankar, T M Beer, B Tombal, S Holmstrom
BACKGROUND: We investigated the impact of skeletal-related events (SREs) on health-related quality of life (HRQoL) in patients with metastatic castration-resistant prostate cancer (mCRPC) in phase III trials of enzalutamide versus placebo. METHODS: Patients with mCRPC experiencing at least one SRE during AFFIRM and PREVAIL were assessed for trajectory-adjusted mean change in HRQoL by first SRE using Functional Assessment of Cancer Therapy-Prostate (FACT-P; AFFIRM, three domains, and PREVAIL, nine domains) and EQ-5D (PREVAIL) instruments...
January 3, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28040874/prevention-of-spinal-cord-injury-using-brain-evoked-muscle-action-potential-br-e-msep-monitoring-in-cervical-spinal-screw-fixation
#18
Kazuyoshi Kobayashi, Shiro Imagama, Zenya Ito, Kei Ando, Tetsuro Hida, Naoki Ishiguro
PURPOSE: The goal of the study was to examine waveform deterioration in intraoperative monitoring during posterior fusion with a cervical screw. This surgery is useful for alignment correction, but worsening of neurological symptoms may occur in association with screw insertion and rod installation. Therefore, spinal cord monitoring is important for safe surgery. METHODS: The study included 25 cases treated with posterior fusion with a cervical screw. Waveform deterioration was defined as an intraoperative amplitude <50% of the control waveform...
December 31, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28028447/spinal-epidural-abscess-in-a-patient-with-piriformis-pyomyositis
#19
Gerald S Oh, Hussam Abou-Al-Shaar, Gregory D Arnone, Ashley L Barks, Ziad A Hage, Sergey Neckrysh
BACKGROUND: Spinal epidural abscess resulting from piriformis pyomyositis is extremely rare. Such condition can result in serious morbidity and mortality if not addressed in a timely manner. CASE DESCRIPTION: The authors describe the case of a 19-year-old male presenting with a 2-week history of fever, low back pain, and nuchal rigidity. When found to have radiographic evidence of a right piriformis pyomyositis, he was transferred to our institution for further evaluation...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/28005993/decreased-peak-expiratory-flow-associated-with-muscle-fiber-type-switching-in-spinal-and-bulbar-muscular-atrophy
#20
Shinichiro Yamada, Atsushi Hashizume, Yasuhiro Hijikata, Tomonori Inagaki, Keisuke Suzuki, Naohide Kondo, Kaori Kawai, Seiya Noda, Hirotaka Nakanishi, Haruhiko Banno, Akihiro Hirakawa, Haruki Koike, Katherine Halievski, Cynthia L Jordan, Masahisa Katsuno, Gen Sobue
The aim of this study was to characterize the respiratory function profile of subjects with spinal and bulbar muscular atrophy (SBMA), and to explore the underlying pathological mechanism by comparing the clinical and biochemical indices of this disease with those of amyotrophic lateral sclerosis (ALS). We enrolled male subjects with SBMA (n = 40) and ALS (n = 25) along with 15 healthy control subjects, and assessed their respiratory function, motor function, and muscle strength. Predicted values of peak expiratory flow (%PEF) and forced vital capacity were decreased in subjects with SBMA compared with controls...
2016: PloS One
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