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Cervical incomplete spinal cord injury

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https://www.readbyqxmd.com/read/29107041/lateral-corticospinal-tract-damage-correlates-with-motor-output-in-incomplete-spinal-cord-injury
#1
Andrew C Smith, Kenneth A Weber, Denise R O'Dell, Todd B Parrish, Marie Wasielewski, James M Elliott
OBJECTIVE: To investigate the relationship between spinal cord damage and specific motor function in participants with incomplete spinal cord injury (iSCI). DESIGN: single-blinded cross-sectional study design SETTING: University setting research laboratory. PARTICIPANTS: Fourteen individuals with chronic cervical iSCI (1 female and 13 males, average age = 43 ± 12 years old). INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Axial T2 MRI of spinal cord damage was performed in 14 participants with iSCI...
October 26, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29024874/electrical-impedance-myography-changes-after-incomplete-cervical-spinal-cord-injury-an-examination-of-hand-muscles
#2
Le Li, Henry Shin, Argyrios Stampas, Xiaoyan Li, Ping Zhou
OBJECTIVE: This study was to apply the newly developed electrical impedance myography (EIM) technique to examine hand muscles in patients with an incomplete cervical spinal cord injury (SCI). METHODS: EIM was performed on the thenar, hypothenar, and first dorsal interosseous (FDI) muscles of SCI (n=16) and age-matched healthy control (n=18) subjects. By sending low intensity and high frequency current through the skin and measuring the consequent voltage, EIM estimates the major impedance parameters, which include resistance (R), reactance (X) and phase angle (θ)...
September 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28993348/delayed-spinal-cord-infarction-following-anterior-cervical-surgical-decompression
#3
Muhammad Faheem Khan, Rashid Jooma, Fauzan Alam Hashmi, Muhammad Faraz Raghib
Anterior cervical discectomy and fusion (ACDF) for cord compression is a safe and effective procedure with good outcomes. However, worsening of myelopathy is the most feared adverse event of the surgery. We report the case of a 36-year-old male patient who presented with an acute non-traumatic C5-6 cervical disc herniation causing incomplete quadriparesis. He underwent an uncomplicated ACDF at C5-6, and after an initial period of improvement, he developed a delayed onset of an anterior cord syndrome on day 3, without any discerning cause...
October 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28993290/spinal-cord-injury-associated-with-cervical-spinal-canal-stenosis-outcomes-and-prognostic-factors
#4
Y Ronzi, B Perrouin-Verbe, O Hamel, R Gross
OBJECTIVES: To specify outcomes and identify prognostic factors of neurologic and functional recovery in patients with an acute traumatic spinal cord injury (SCI) associated with cervical spinal canal stenosis (SCS), without spinal instability. METHODS: A retrospective study was conducted using data from a Regional Department for SCI rehabilitation in France. A description of the population characteristics, clinical data and neurological and functional outcomes of all patients treated for acute SCI due to cervical trauma associated with SCS was performed...
October 6, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28972191/effects-of-acute-intermittent-hypoxia-on-hand-use-after-spinal-cord-trauma-a-preliminary-study
#5
RANDOMIZED CONTROLLED TRIAL
Randy D Trumbower, Heather B Hayes, Gordon S Mitchell, Steven L Wolf, Victoria A Stahl
OBJECTIVE: To test the hypothesis that daily acute intermittent hypoxia (AIH) combined with hand opening practice improves hand dexterity, function, and maximum hand opening in persons with chronic, motor-incomplete, cervical spinal cord injury. METHODS: Six participants completed the double-blind, crossover study. Participants received daily (5 consecutive days) AIH (15 episodes per day: 1.5 minutes of fraction of inspired oxygen [FIo2] = 0.09, 1-minute normoxic intervals) followed by 20 repetitions of hand opening practice and normoxia (sham, FIo2 = 0...
October 31, 2017: Neurology
https://www.readbyqxmd.com/read/28967557/combining-constitutively-active-rheb-expression-and-chondroitinase-promotes-functional-axonal-regeneration-after-cervical-spinal-cord-injury
#6
Di Wu, Michelle C Klaw, Theresa Connors, Nikolai Kholodilov, Robert E Burke, Marie-Pascale Côté, Veronica J Tom
After spinal cord injury (SCI), severed axons in the adult mammalian CNS are unable to mount a robust regenerative response. In addition, the glial scar at the lesion site further restricts the regenerative potential of axons. We hypothesized that a combinatorial approach coincidentally targeting these obstacles would promote axonal regeneration. We combined (1) transplantation of a growth-permissive peripheral nerve graft (PNG) into an incomplete, cervical lesion cavity; (2) transduction of neurons rostral to the SCI site to express constitutively active Rheb (caRheb; a Ras homolog enriched in brain), a GTPase that directly activates the growth-promoting pathway mammalian target of rapamycin (mTOR) via AAV-caRheb injection; and (3) digestion of growth-inhibitory chondroitin sulfate proteoglycans within the glial scar at the distal PNG interface using the bacterial enzyme chondroitinase ABC (ChABC)...
August 19, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28944083/white-matter-changes-in-corticospinal-tract-associated-with-improvement-in-arm-and-hand-functions-in-incomplete-cervical-spinal-cord-injury-pilot-case-series
#7
Nuray Yozbatiran, Zafer Keser, Khader Hasan, Argyrios Stampas, Radha Korupolu, Sam Kim, Marcia K O'Malley, Felipe Fregni, Gerard E Francisco
INTRODUCTION: This is a prospective clinical pilot case series. Improvement of arm and hand functions after spinal cord injury (SCI) is one of the major rehabilitation goals. Electrical stimulation of the primary motor cortex via transcranial direct current stimulation (tDCS) coupled with high-intensity repetitive motor training may have potential to facilitate improvement in motor function in chronic, incomplete cervical SCI. We investigated the relationship between motor recovery and changes in white matter integrity in response to treatment intervention...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28931614/phase-dependent-deficits-during-reach-to-grasp-after-human-spinal-cord-injury
#8
Yuming Lei, Monica A Perez
Most cervical spinal cord injuries result in asymmetrical functional impairments in hand and arm function. However, the extent to which reach-to-grasp movements are affected in humans with incomplete cervical spinal cord injury (SCI) remains poorly understood. Using kinematics and electromyographic (EMG) recordings in hand and arm muscles we studied the different phases of unilateral self-paced reach-to-grasp movements (arm acceleration, hand opening and closing) to a small cylinder in the more and less affected arms of individuals with cervical SCI and age-matched controls...
September 20, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28890805/outcome-after-post-acute-spinal-cord-specific-rehabilitation-a-german-single-center-study
#9
Matthias Ponfick
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: The objective of this study was to analyze single center outcome measures of spinal cord injury (SCI)-specific rehabilitation (SCISR) in Germany. SETTING: The study was conducted at an SCI specialized rehabilitation center. METHODS: Nonparametric tests for outcome description such as SCIM and length of stay. Logistic regression for outcome prediction was used. RESULTS: One hundred and sixty patients (113 men, 47 women) with a mean age of 64...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28872148/incidence-of-traumatic-spinal-cord-injury-in-italy-during-2013-2014-a-population-based-study
#10
S Ferro, L Cecconi, J Bonavita, M C Pagliacci, A Biggeri, M Franceschini
STUDY DESIGN: Observational prospective population-based incidence study. OBJECTIVES: The main objective of this study was to assess the incidence of traumatic spinal cord injuries (TSCIs) and incidence rates, in order to provide estimates by age, gender, characteristics and cause. SETTING: This study was conducted at acute-care spinal cord injury (SCI) hospitals and SCI centers from 11 Italian regions, between 1 October 2013 and 30 September 2014...
September 5, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28871033/reticulospinal-contributions-to-gross-hand-function-after-human-spinal-cord-injury
#11
Stuart N Baker, Monica A Perez
Multiple descending motor pathways likely contribute to the recovery of hand motor function following spinal cord injury (SCI). Reticulospinal neurons project to spinal motor neurons controlling hand muscles and extensively sprout into gray matter structures after SCI; therefore, it has been proposed that the reticulospinal tract is one of the descending motor pathways involved in recovery of hand function after injury. To test this hypothesis, we examined the StartReact response, an involuntary release of a planned movement via a startling stimulus that engages the reticulospinal tract, by measuring reaction times from electromyographic activity in an intrinsic finger muscle during three motor tasks requiring different degrees of hand dexterity: index finger abduction, a precision grip, and a power grip...
October 4, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28857769/robot-assisted-training-of-arm-and-hand-movement-shows-functional-improvements-for-incomplete-cervical-spinal-cord-injury
#12
Gerard E Francisco, Nuray Yozbatiran, Jeffrey Berliner, Marcia K OʼMalley, Ali Utku Pehlivan, Zahra Kadivar, Kyle Fitle, Corwin Boake
OBJECTIVE: The aim of the study was to demonstrate the feasibility, tolerability, and effectiveness of robotic-assisted arm training in incomplete chronic tetraplegia. DESIGN: Pretest/posttest/follow-up was conducted. Ten individuals with chronic cervical spinal cord injury were enrolled. Participants performed single degree-of-freedom exercise of upper limbs at an intensity of 3-hr per session for 3 times a week for 4 wks with MAHI Exo-II. Arm and hand function tests (Jebsen-Taylor Hand Function Test, Action Research Arm Test), strength of upper limb (upper limb motor score, grip, and pinch strength), and independence in daily living activities (Spinal Cord Independence Measure II) were performed at baseline, end of training, and 6 mos later...
October 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28844726/cycling-and-spinal-trauma-a-worrying-trend-in-referrals-to-a-national-spine-centre
#13
M P Broe, J C Kelly, P J Groarke, K Synnott, S Morris
INTRODUCTION: Cycling has seen a large increase in popularity worldwide over the last number of years. This has been linked to an increase in the number of road traffic accidents involving cyclists. Participation in cycling as part of competitive sport and endurance events has seen particular growth. AIM: To examine patients referred with spinal trauma related to cycling and to assess whether the growing popularity of cycling and particularly competitive cycling is linked to an increase in spinal trauma...
August 22, 2017: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/28834891/interdisciplinary-rehabilitation-for-a-patient-with-incomplete-cervical-spinal-cord-injury-and-multimorbidity-a-case-report
#14
Robert D Vining, Donna M Gosselin, Jeb Thurmond, Kimberlee Case, Frederick R Bruch
RATIONALE: This report describes interdisciplinary rehabilitation for a 51-year-old male recovering from incomplete cervical spinal cord injury (SCI) and multiple comorbidities following an automobile accident. PATIENT CONCERNS: The patient was admitted to a rehabilitation specialty hospital approximately 2 months post SCI and 2 separate surgical fusion procedures (C3-C6). DIAGNOSES: Clinical presentation at the rehabilitation hospital included moderate to severe motor strength loss in both upper and lower extremities, a percutaneous endoscopic gastronomy tube (PEG), dysphagia, bowel/bladder incontinence, dependence on a mechanical lift and tilting wheelchair due to severe orthostatic hypotension, and pre-existing shoulder pain from bilateral joint degeneration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28761432/effects-of-pulsed-radiofrequency-on-spasticity-in-patients-with-spinal-cord-injury-a-report-of-two-cases
#15
Min Cheol Chang, Yun Woo Cho
Spasticity following spinal cord injury (SCI) results in functional deterioration and reduced quality of life. Herein, we report two SCI patients who presented with good response to pulsed radiofrequency (PRF) for the management of spasticity in the lower extremities. Patient 1 (a 47-year-old man) had complete thoracic cord injury and showed a phasic spasticity on the extensor of both knees (3-4 beats clonus per every 30 seconds) and tonic spasticity (Modified Ashworth Scale: 3) on both hip adductors. Patient 2 (a 64-year-old man) had incomplete cervical cord injury and showed a right ankle clonus (approximately 20 beats) when he walked...
June 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28720987/management-of-post-traumatic-neglected-cervical-facet-dislocation
#16
Vinay Prabhat, Tankeshwar Boruah, Hitesh Lal, Ramesh Kumar, Ashish Dagar, Harekrushna Sahu
BACKGROUND: Post-traumatic unilateral or bilateral sub-axial cervical spine dislocations with locked facets are quite common. In developing countries like India, many patients with cervical injuries report late due to many reasons like rural backgrounds, lack of infrastructures and skilled surgeons, unawareness, poor socioeconomic status, lack of transportation to the specialized center with proper facility, etc. Early management is essential to maximize better neurological outcome. Delayed or neglected presentation makes treatment more challenging...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28705774/american-spinal-injury-association-a-sensory-and-motor-complete-is-not-different-from-american-spinal-injury-association-b-sensory-incomplete-motor-complete-in-gunshot-related-spinal-cord-injury
#17
Eric McCoy, Nima Eftekhary, Kenneth Nwosu, Dudley Fukunaga, Charles Liu, Kevin Rolfe
BACKGROUND CONTEXT: We receive a large number of patients with spinal cord injury (SCI) due to penetrating gunshot wounds (GSW) at our national rehabilitation center. Although many patients are labeled American Spinal Injury Association (ASIA) B sensory incomplete because of sensory sparing, especially deep anal pressure, with purported prognostic value, we have not observed a clinical difference from patients labeled ASIA A complete. We hypothesized that sensory sparing, if meaningful, should reduce the occurrence of pressure ulcers...
July 10, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28673831/risk-factors-for-laryngeal-penetration-aspiration-in-patients-with-acute-traumatic-cervical-spinal-cord-injury
#18
Tiina Ihalainen, Irina Rinta-Kiikka, Teemu M Luoto, Tuomo Thesleff, Mika Helminen, Anna-Maija Korpijaakko-Huuhka, Antti Ronkainen
BACKGROUND CONTEXT: Laryngeal penetration-aspiration, the entry of material into the airways, is considered the most severe subtype of dysphagia and is common among patients with acute cervical spinal cord injury (SCI). PURPOSE: The aim of this study was to investigate risk factors for penetration-aspiration in patients with acute traumatic cervical spinal cord injury (TCSCI). STUDY DESIGN: This is a prospective cohort study. PATIENT SAMPLE: Thirty-seven patients with TCSCI were included in the study...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28659464/impact-of-glutamatergic-and-serotonergic-neurotransmission-on-diaphragm-muscle-activity-after-cervical-spinal-hemisection
#19
Carlos B Mantilla, Heather M Gransee, Wen-Zhi Zhan, Gary C Sieck
Incomplete cervical spinal cord hemisection at C2 (SH) disrupts descending excitatory drive to phrenic motoneurons, paralyzing the ipsilateral diaphragm muscle. Spontaneous recovery over time is associated with increased phrenic motoneuron expression of glutamatergic N-methyl-d-aspartate (NMDA) and serotonergic 5-HT2A receptors. We hypothesized that NMDA and 5-HT2A receptor-mediated neurotransmission play a role in ipsilateral diaphragm muscle activity post-SH. Adult male Sprague-Dawley rats were implanted with bilateral diaphragm EMG electrodes for chronic EMG recordings up to 28 days post-SH (SH 28D)...
September 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28631744/traumatic-cervical-spinal-cord-injury-a-prospective-clinical-study-of-laryngeal-penetration-and-aspiration
#20
T Ihalainen, I Rinta-Kiikka, T M Luoto, E A Koskinen, A-M Korpijaakko-Huuhka, A Ronkainen
STUDY DESIGN: Prospective cohort study. OBJECTIVES: Dysphagia is a relatively common secondary complication in patients with traumatic cervical spinal cord injuries (TCSCI). The purpose of this study was to determine the incidence of aspiration and penetration in patients with acute TCSCI. SETTING: Tampere University Hospital, Tampere, Finland. METHODS: A total of 46 patients with TCSCI were evaluated with a videofluoroscopic swallowing study (VFSS)...
November 2017: Spinal Cord
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