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Cervical incomplete spinal cord injury

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https://www.readbyqxmd.com/read/28931614/phase-dependent-deficits-during-reach-to-grasp-after-human-spinal-cord-injury
#1
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
#2
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
#3
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
#4
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...
September 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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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)...
June 20, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28615341/high-frequency-epidural-stimulation-across-the-respiratory-cycle-evokes-phrenic-short-term-potentiation-after-incomplete-cervical-spinal-cord-injury
#14
Elisa J Gonzalez-Rothi, Kristi A Streeter, Marie H Hanna, Anna C Stamas, Paul J Reier, David M Baekey, David D Fuller
C2 spinal hemilesion (C2Hx) paralyzes the ipsilateral diaphragm, but recovery is possible through activation of "crossed spinal" synaptic inputs to ipsilateral phrenic motoneurons. We tested the hypothesis that high frequency epidural stimulation (HF-ES) would potentiate ipsilateral phrenic output after subacute and chronic C2Hx. HF-ES (300 Hz) was applied to the ventrolateral C4 or T2 spinal cord ipsilateral to C2Hx in anesthetized and mechanically ventilated adult rats. Stimulus duration was 60-sec and currents ranged from 100-1000 µA...
June 14, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28598858/effects-of-intermittent-theta-burst-stimulation-on-spasticity-after-spinal-cord-injury
#15
Raffaele Nardone, Patrick B Langthaler, Andrea Orioli, Peter Höller, Yvonne Höller, Vanessa N Frey, Francesco Brigo, Eugen Trinka
PURPOSE: Spasticity is a common disorder in patients with spinal cord injury (SCI). The aim of this study was to investigate whether intermittent theta burst stimulation (iTBS), a safe, non-invasive and well-tolerated protocol of excitatory repetitive transcranial magnetic stimulation (rTMS), is effective in modulating spasticity in SCI patients. METHODS: In this randomized, double-blind, crossover, sham-controlled study, ten subjects with incomplete cervical or thoracic SCI received 10 days of daily sessions of real or sham iTBS...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28578003/generating-level-dependent-models-of-cervical-and-thoracic-spinal-cord-injury-exploring-the-interplay-of-neuroanatomy-physiology-and-function
#16
Jared T Wilcox, Kajana Satkunendrarajah, Yasmin Nasirzadeh, Alex M Laliberte, Alyssa Lip, David W Cadotte, Warren D Foltz, Michael G Fehlings
The majority of spinal cord injuries (SCI) occur at the cervical level, which results in significant impairment. Neurologic level and severity of injury are primary endpoints in clinical trials; however, how level-specific damages relate to behavioural performance in cervical injury is incompletely understood. We hypothesized that ascending level of injury leads to worsening forelimb performance, and correlates with loss of neural tissue and muscle-specific neuron pools. A direct comparison of multiple models was made with injury realized at the C5, C6, C7 and T7 vertebral levels using clip compression with sham-operated controls...
September 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28549131/a-novel-cortical-target-to-enhance-hand-motor-output-in-humans-with-spinal-cord-injury
#17
Jinyi Long, Paolo Federico, Monica A Perez
A main goal of rehabilitation strategies in humans with spinal cord injury is to strengthen transmission in spared neural networks. Although neuromodulatory strategies have targeted different sites within the central nervous system to restore motor function following spinal cord injury, the role of cortical targets remain poorly understood. Here, we use 180 pairs of transcranial magnetic stimulation for ∼30 min over the hand representation of the motor cortex at an interstimulus interval mimicking the rhythmicity of descending late indirect (I) waves in corticospinal neurons (4...
June 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28541431/emerging-safety-of-intramedullary-transplantation-of-human-neural-stem-cells-in-chronic-cervical-and-thoracic-spinal-cord-injury
#18
Allan D Levi, David O Okonkwo, Paul Park, Arthur L Jenkins, Shekar N Kurpad, Ann M Parr, Aruna Ganju, Bizhan Aarabi, Dong Kim, Steven Casha, Michael G Fehlings, James S Harrop, Kim D Anderson, Allyson Gage, Jane Hsieh, Stephen Huhn, Armin Curt, Raphael Guzman
BACKGROUND: Human central nervous system stem cells (HuCNS-SC) are multipotent adult stem cells with successful engraftment, migration, and region-appropriate differentiation after spinal cord injury (SCI). OBJECTIVE: To present data on the surgical safety profile and feasibility of multiple intramedullary perilesional injections of HuCNS-SC after SCI. METHODS: Intramedullary free-hand (manual) transplantation of HuCNS-SC cells was performed in subjects with thoracic (n = 12) and cervical (n = 17) complete and sensory incomplete chronic traumatic SCI...
May 24, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28527225/clinical-feasibility-of-gait-training-with-a-robotic-exoskeleton-wpal-in-an-individual-with-both-incomplete-cervical-and-complete-thoracic-spinal-cord-injury-a-case-study
#19
Shigeo Tanabe, Soichiro Koyama, Eiichi Saitoh, Satoshi Hirano, Kanan Yatsuya, Tetsuya Tsunoda, Masaki Katoh, Takeshi Gotoh, Ayako Furumoto
BACKGROUND: Patients with tetraplegia can achieve independent gait with lateral-type powered exoskeletons; it is unclear whether medial-type powered exoskeletons allow for this. OBJECTIVE: To investigate gait training with a medial-type powered exoskeleton wearable power-assist locomotor (WPAL) in an individual with incomplete cervical (C5) and complete thoracic (T12) spinal cord injury (SCI). METHODS: The 60-session program was investigated retrospectively using medical records...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28505987/improved-grasp-function-with-transcranial-direct-current-stimulation-in-chronic-spinal-cord-injury
#20
Mar Cortes, Ana Heloisa Medeiros, Aasta Gandhi, Peter Lee, Hermano Igo Krebs, Gary Thickbroom, Dylan Edwards
BACKGROUND: Recovering hand function has important implications for improving independence of patients with tetraplegia after traumatic spinal cord injury (SCI). Transcranial direct current stimulation (tDCS) is a noninvasive neuromodulation technique that has potential to improve motor function. OBJECTIVE: To investigate the effects of one session of 1 mA, 2 mA, and sham anodal tDCS (a-tDCS) in the upper extremity (hand) motor performance (grasp and lease) in patients with chronic cervical SCI...
2017: NeuroRehabilitation
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