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Cervical spinal cord injury

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https://www.readbyqxmd.com/read/28437499/systemic-hypothermia-as-treatment-for-an-acute-cervical-spinal-cord-injury-in-a-professional-football-player-9-year-follow-up
#1
Andrew Cappuccino, Leslie J Bisson, Bud Carpenter, Ken Snyder, Helen Cappuccino
The following report provides clinical follow-up on a National Football League player who sustained a complete cervical spinal cord injury (SCI) while tackling an opposing player in 2007. He received prompt medical and surgical care based on then-current recommendations, but was also treated with systemic hypothermia soon after his injury, which was controversial at the time. Since then, smaller randomized human studies have described the tolerable safety profile, efficacy, and potential benefits of this intervention in acute SCI in humans...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28435924/treatment-of-chronic-traumatic-c7-t1-grade-iii-spondylolisthesis-with-mild-neurological-deficit-case-report
#2
Jacinto Mata-Gómez, Marta Ortega-Martínez, Julio Valencia-Anguita, Ignacio Gilete-Tejero, Manuel Royano-Sánchez
Traumatic cervical severe spondylolisthesis is a rare and severe lesion which is typically associated with a spinal cord injury. Nevertheless, it occasionally has a pauci-symptomatic course which may delay its diagnosis. The authors report an exceptional case of a 33-year-old woman who had mild spasticity in her lower limbs and neck pain 9 months after a traffic accident. The computed tomographic scan and magnetic resonance image revealed C7-T1 grade III spondylolisthesis and spinal cord signal change. The initial cervical traction did not obtain a spinal realignment...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28435743/effects-of-overground-locomotor-training-on-the-ventilatory-response-to-volitional-treadmill-walking-in-individuals-with-incomplete-spinal-cord-injury-a-pilot-study
#3
Gino S Panza, Andrew A Guccione, Lisa M Chin, Jared M Gollie, Jeffery E Herrick, John P Collins
INTRODUCTION: Although there has been substantial emphasis on the neuromuscular and cardiovascular adaptations following rehabilitation, pulmonary adaptations in individuals with incomplete SCI (iSCI) in response to locomotor training have been less frequently studied. In healthy individuals, effective transition from rest to work is accomplished by a hyperpneic response, which exhibits an exponential curve with three phases. However, the degree to which our current understanding of exercise hyperpnea can be applied to individuals with iSCI is unknown...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28434767/extrarenal-rhabdoid-tumor-presented-with-an-immobile-arm-in-a-one-year-old-boy
#4
Chi-Ting Chung, Yen-Lin Liu, Chien-Jui Cheng, Kevin Li-Chun Hsieh, Min-Lan Tsai, Tai-Tong Wong
Infants with an immobile arm may be easily overlooked in primary care settings. Differential diagnoses include injuries, infections, neuropathies, ischemia and rarely, neoplasms. We report the case of a one-year-old boy with weakness in his left arm after minor trauma with a diagnosis of brachial plexus palsy initially. After rehabilitation for 2months, his weakness progressed to unsteady gait and quadriparesis. MRI revealed a huge solid tumor in the left supraclavicular fossa, which also involved the left brachial plexus, upper thoracic cavity, and left paravertebral space with invasion into the spinal canal...
April 20, 2017: Brain & Development
https://www.readbyqxmd.com/read/28433644/supraspinal-respiratory-plasticity-following-acute-cervical-spinal-cord-injury
#5
Tatiana Bezdudnaya, Vitaliy Marchenko, Lyandysha V Zholudeva, Victoria M Spruance, Michael A Lane
Impaired breathing is a devastating result of high cervical spinal cord injuries (SCI) due to partial or full denervation of phrenic motoneurons, which innervate the diaphragm - a primary muscle of respiration. Consequently, people with cervical level injuries often become dependent on assisted ventilation and are susceptible to secondary complications. However, there is mounting evidence for limited spontaneous recovery of respiratory function following injury, demonstrating the neuroplastic potential of respiratory networks...
April 19, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28432435/c4-5-foraminal-stenosis-predicts-c5-palsy-after-expansive-open-door-laminoplasty
#6
Ho-Jin Lee, Jae-Sung Ahn, Byungkon Shin, Hoseok Lee
INTRODUCTION: Laminoplasty is frequently performed in cervical myelopathy patients, but can lead to unexpected postoperative C5 palsy. Although several studies have examined the pathogenesis and prevention of postoperative C5 palsy, many controversies remain and some radiological findings identified as risk factors were not correlated with our outcomes. PURPOSE: This study sought reliable radiological findings that predict C5 palsy after laminoplasty and examined why the predictors of C5 palsy did not apply in our series...
April 21, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28428213/clinically-feasible-microstructural-mri-to-quantify-cervical-spinal-cord-tissue-injury-using-dti-mt-and-t2-weighted-imaging-assessment-of-normative-data-and-reliability
#7
A R Martin, B De Leener, J Cohen-Adad, D W Cadotte, S Kalsi-Ryan, S F Lange, L Tetreault, A Nouri, A Crawley, D J Mikulis, H Ginsberg, M G Fehlings
BACKGROUND AND PURPOSE: DTI, magnetization transfer, T2*-weighted imaging, and cross-sectional area can quantify aspects of spinal cord microstructure. However, clinical adoption remains elusive due to complex acquisitions, cumbersome analysis, limited reliability, and wide ranges of normal values. We propose a simple multiparametric protocol with automated analysis and report normative data, analysis of confounding variables, and reliability. MATERIALS AND METHODS: Forty healthy subjects underwent T2WI, DTI, magnetization transfer, and T2*WI at 3T in <35 minutes using standard hardware and pulse sequences...
April 20, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28428212/a-novel-mri-biomarker-of-spinal-cord-white-matter-injury-t2-weighted-white-matter-to-gray-matter-signal-intensity-ratio
#8
A R Martin, B De Leener, J Cohen-Adad, D W Cadotte, S Kalsi-Ryan, S F Lange, L Tetreault, A Nouri, A Crawley, D J Mikulis, H Ginsberg, M G Fehlings
BACKGROUND AND PURPOSE: T2*-weighted imaging provides sharp contrast between spinal cord GM and WM, allowing their segmentation and cross-sectional area measurement. Injured WM demonstrates T2*WI hyperintensity but requires normalization for quantitative use. We introduce T2*WI WM/GM signal-intensity ratio and compare it against cross-sectional area, the DTI metric fractional anisotropy, and magnetization transfer ratio in degenerative cervical myelopathy. MATERIALS AND METHODS: Fifty-eight patients with degenerative cervical myelopathy and 40 healthy subjects underwent 3T MR imaging, covering C1-C7...
April 20, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28425069/a-prospective-serial-mri-study-following-acute-traumatic-cervical-spinal-cord-injury
#9
Joost P H J Rutges, Brian K Kwon, Manraj Heran, Tamir Ailon, John T Street, Marcel F Dvorak
PURPOSE: In acute traumatic cervical spinal cord injury (SCI) patients, we sought to characterize how objective MRI measures of injury change during the first 3 week post-injury. METHODS: Six MRI scans each were planned in 19 cervical SCI patients within the first 3 week post-injury. Length of cord edema, maximum spinal cord compression, maximum canal compromise, and presence and length of hematoma were measured. RESULTS: Length of spinal cord edema increased in the first 48 h after SCI, followed by a gradual decrease in the 3 weeks after injury...
April 19, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28418395/an-analysis-of-ideal-and-actual-time-to-surgery-after-traumatic-spinal-cord-injury-in-canada
#10
R A Glennie, C S Bailey, E C Tsai, V K Noonan, C S Rivers, D R Fourney, H Ahn, B K Kwon, J Paquet, B Drew, M G Fehlings, N Attabib, S D Christie, J Finkelstein, R J Hurlbert, S Parent, M F Dvorak
STUDY DESIGN: Retrospective analysis of a prospective registry and surgeon survey. OBJECTIVES: To identify surgeon opinion on ideal practice regarding the timing of decompression/stabilization for spinal cord injury and actual practice. Discrepancies in surgical timing and barriers to ideal timing of surgery were explored. SETTING: Canada. METHODS: Patients from the Rick Hansen Spinal Cord Registry (RHSCIR, 2004-2014) were reviewed to determine actual timing of surgical management...
April 18, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28416148/alterations-in-autonomic-cerebrovascular-control-after-spinal-cord-injury
#11
Dong-Il Kim, Can Ozan Tan
Among chronic cardiovascular and metabolic sequelae of spinal cord injury (SCI) is an up-to four-fold increase in the risk of ischemic and hemorrhagic stroke, suggesting that individuals with SCI cannot maintain stable cerebral perfusion. In able-bodied individuals, the cerebral vasculature is able to regulate cerebral perfusion in response to swings in arterial pressure (cerebral autoregulation), blood gases (cerebral vasoreactivity), and neural metabolic demand (neurovascular coupling). This ability depends, at least partly, on intact autonomic function, but high thoracic and cervical spinal cord injuries result in disruption of sympathetic and parasympathetic cerebrovascular control...
April 4, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28413945/body-machine-interface-enables-people-with-cervical-spinal-cord-injury-to-control-devices-with-available-body-movements-proof-of-concept
#12
Farnaz Abdollahi, Ali Farshchiansadegh, Camilla Pierella, Ismael Seáñez-González, Elias Thorp, Mei-Hua Lee, Rajiv Ranganathan, Jessica Pedersen, David Chen, Elliot Roth, Maura Casadio, Ferdinando Mussa-Ivaldi
This study tested the use of a customized body-machine interface (BoMI) for enhancing functional capabilities in persons with cervical spinal cord injury (cSCI). The interface allows people with cSCI to operate external devices by reorganizing their residual movements. This was a proof-of-concept phase 0 interventional nonrandomized clinical trial. Eight cSCI participants wore a custom-made garment with motion sensors placed on the shoulders. Signals derived from the sensors controlled a computer cursor. A standard algorithm extracted the combinations of sensor signals that best captured each participant's capacity for controlling a computer cursor...
May 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28409761/the-question-of-whether-or-not-to-perform-therapeutic-hypothermia-a-case-of-neonatal-spinal-cord-injury
#13
K Yokoi, S Kobayashi, K Muramatsu, S Suzuki, H Gotou
Neonatal spinal cord injury is an extremely rare perinatal complication that often occurs concurrently with hypoxic ischemic encephalopathy (HIE), further complicating diagnosis of spinal cord injury. Although therapeutic hypothermia for moderate to severe HIE is widely recommended in Japan, it is difficult to determine whether it satisfies the neurological findings-related entry criteria in some patients.We describe a female infant with neonatal spinal cord injury after forceps delivery, who underwent therapeutic hypothermia upon diagnosis of HIE...
April 8, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28394110/the-influence-of-corticosteroids-on-heart-rate-variablity-in-acute-cervical-spinal-cord-injury
#14
Antonija Krstačić, Goran Krstačić, Dragan Gamberger
Heart rate variability (HRV) gives information on the sympathetic-parasympathetic autonomic balance. The aim of the study was to analyze sympathovagal balance after acute spinal cord injury (SCI), demonstrated by linear measures in time and frequency domain of HRV and to analyze the effect of corticosteroids on HRV parameters in SCI. The study included 40 tetraplegic patients with acute SCI and 40 healthy subjects as control group. In the SCI group, 29 patients received and 11 patients did not receive corticosteroid therapy...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28393423/are-midsagittal-tissue-bridges-predictive-of-outcome-after-cervical-spinal-cord-injury
#15
Eveline Huber, Patrice Lachappelle, Reto Sutter, Armin Curt, Patrick Freund
T2-weighted scans provided data on the extent and dynamics of neuronal tissue damage and midsagittal tissue bridges at the epicenter of traumatic cervical spinal cord lesions in 24 subacute tetraplegic patients. At one month post-injury, smaller lesion area and midsagittal tissue bridges identified those patients with lower extremity evoked potentials and better clinical recovery. Wider midsagittal tissue bridges and smaller lesions at one month post-injury were associated with neurological and functional recovery at 1 year follow-up...
April 10, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28389264/the-bulbospinal-network-controlling-the-phrenic-motor-system-laterality-and-course-of-descending-projections
#16
REVIEW
Michael George Zaki Ghali
The respiratory rhythm is generated by the parafacial respiratory group, Bötzinger complex, and pre-Bötzinger complex and relayed to pre-motor neurons, which in turn project to and control respiratory motor outputs in the brainstem and spinal cord. The phrenic nucleus is one such target, containing phrenic motoneurons (PhMNs), which supply the diaphragm, the primary inspiratory muscle in mammals. While some investigators have demonstrated both ipsi- and contralateral bulbophrenic projections, there exists controversy regarding the relative physiological contribution of each to phasic and tonic drive to PhMNs and at which levels decussations occur...
April 4, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28385062/diffusion-tensor-imaging-parameter-obtained-during-acute-blunt-cervical-spinal-cord-injury-in-predicting-long-term-outcome
#17
Kathirkamanthan Shanmuganathan, Jiachen Zhuo, Hegang H Chen, Bizhan Aarabi, Jason Adams, Catriona Miller, Jay Menaker, Rao Gullapallie, Stuart E Mirvis
There are no reliable neuroimaging biomarkers to predict long term outcome following spinal cord injury. This prospective longitudinal study evaluates diffusion tensor imaging (DTI) in predicting long term outcome following cervical spinal cord injury (CSCI). We investigate the admission DTI parameters measured in 30 patients with CSCI, with 16 of them followed up to 1 year, and 15 volunteers serving as controls. All MRI examinations were performed within 24 hours of injury. DTI parameters were measured in patients and controls, avoiding areas of hemorrhage in patients and at corresponding upper/middle/lower regions of the spinal cord in controls...
April 6, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28384247/bimanual-reach-to-grasp-movements-after-cervical-spinal-cord-injury
#18
Laura Britten, Rachel Coats, Ronaldo Ichiyama, Wajid Raza, Firas Jamil, Sarah Astill
Injury to the cervical spinal cord results in bilateral deficits in arm/hand function reducing functional independence and quality of life. To date little research has been undertaken to investigate control strategies of arm/hand movements following cervical spinal cord injury (cSCI). This study aimed to investigate unimanual and bimanual coordination in patients with acute cSCI using 3D kinematic analysis as they performed naturalistic reach to grasp actions with one hand, or with both hands together (symmetrical task), and compare this to the movement patterns of uninjured younger and older adults...
2017: PloS One
https://www.readbyqxmd.com/read/28366050/a-safe-and-effective-multi-day-colonoscopy-bowel-preparation-for-individuals-with-spinal-cord-injuries
#19
Shawn H Song, Jelena N Svircev, Brandon J Teng, Jason A Dominitz, Stephen P Burns
CONTEXT/OBJECTIVE: Colonoscopy with polypectomy is associated with a reduced risk of colorectal cancer (CRC), but poor bowel cleansing limits the diagnostic yield of the procedure. Patients with spinal cord injury (SCI) frequently have suboptimal bowel cleansing with standard pre-colonoscopy bowel preparation regimens. We aimed to assess the safety, tolerability, and efficacy of a multi-day inpatient bowel preparation regimen in a population of patients with SCI. DESIGN: Retrospective case series...
April 1, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28363483/restoration-of-reaching-and-grasping-movements-through-brain-controlled-muscle-stimulation-in-a-person-with-tetraplegia-a-proof-of-concept-demonstration
#20
A Bolu Ajiboye, Francis R Willett, Daniel R Young, William D Memberg, Brian A Murphy, Jonathan P Miller, Benjamin L Walter, Jennifer A Sweet, Harry A Hoyen, Michael W Keith, P Hunter Peckham, John D Simeral, John P Donoghue, Leigh R Hochberg, Robert F Kirsch
BACKGROUND: People with chronic tetraplegia, due to high-cervical spinal cord injury, can regain limb movements through coordinated electrical stimulation of peripheral muscles and nerves, known as functional electrical stimulation (FES). Users typically command FES systems through other preserved, but unrelated and limited in number, volitional movements (eg, facial muscle activity, head movements, shoulder shrugs). We report the findings of an individual with traumatic high-cervical spinal cord injury who coordinated reaching and grasping movements using his own paralysed arm and hand, reanimated through implanted FES, and commanded using his own cortical signals through an intracortical brain-computer interface (iBCI)...
March 28, 2017: Lancet
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