scholarly journals Effect of Seat Inclination on Seated Pressures of Individuals With Spinal Cord Injury

2004 ◽  
Vol 84 (3) ◽  
pp. 255-261 ◽  
Author(s):  
Christine L Maurer ◽  
Stephen Sprigle
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Spinal Cord Injuries ◽  
Lumbar Spinal Cord ◽  
Total Force ◽  
Pressure Index ◽  
Cord Injury ◽  
Back Angle ◽  
Interface Pressures ◽  
Seat Inclination

Abstract Background and Purpose. Manual wheelchair configurations commonly include “squeezing” the wheelchair frame to improve balance for users with spinal cord injuries. This squeezing is achieved by lowering the rear portion of the seat relative to the front of the seat while maintaining the same back angle. The study's purpose was to examine the effect of increasing posterior seat inclination on buttock interface pressures. Subjects. Nine male and 5 female subjects (mean age=37 years, SD=11.2, range=19–55) with complete thoracic or lumbar spinal cord injury were tested. Methods. Subjects sat on a pressure mat placed over a foam cushion. Pressure readings were taken at seat angles reflecting seat height decreases of 0, 5.1, 7.6, and 10.2 cm (0, 2, 3, and 4 in) of the rear of the seat relative to the front of the seat. An analysis of variance and a Duncan multiple range test were used for data analysis. Results. No meaningful differences were found in measurements of interface pressure (dispersion index, contact area, and seat pressure index), total force on seat, or peak pressure index with posterior seat inclination. Discussion and Conclusion. The data indicate no meaningful evidence that squeezing a wheelchair frame increases seat interface pressures.

scholarly journals Exoskeletons, Rehabilitation and Bodily Capacities

2021 ◽  
pp. 1357034X2110256
Author(s):  
Denisa Butnaru
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Crucial Role ◽  
Spinal Cord Injuries ◽  
Main Task ◽  
Cerebrovascular Accidents ◽  
Complex Processes ◽  
Cord Injury ◽  
Neurological Conditions

Motility impairments resulting from spinal cord injuries and cerebrovascular accidents are increasingly prevalent in society, leading to the growing development of rehabilitative robotic technologies, among them exoskeletons. This article outlines how bodies with neurological conditions such as spinal cord injury and stroke engage in processes of re-appropriation while using exoskeletons and some of the challenges they face. The main task of exoskeletons in rehabilitative environments is either to rehabilitate or ameliorate anatomic functions of impaired bodies. In these complex processes, they also play a crucial role in recasting specific corporeal phenomenologies. For the accomplishment of these forms of corporeal re-appropriation, the role of experts is crucial. This article explores how categories such as bodily resistance, techno-inter-corporeal co-production of bodies and machines, as well as body work mark the landscape of these contemporary forms of impaired corporeality. While defending corporeal extension rather than incorporation, I argue against the figure of the ‘cyborg’ and posit the idea of ‘residual subjectivity’.

scholarly journals Multi-pronged neuromodulation intervention engages the residual motor circuitry to facilitate walking in a rat model of spinal cord injury

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Marco Bonizzato ◽  
Nicholas D. James ◽  
Galyna Pidpruzhnykova ◽  
Natalia Pavlova ◽  
Polina Shkorbatova ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Rat Model ◽  
Stress Responses ◽  
Learning Algorithm ◽  
Lumbar Spinal Cord ◽  
Cord Injury ◽  
Potential Synergy ◽  
Lumbar Spinal ◽  
Deep Brain

AbstractA spinal cord injury usually spares some components of the locomotor circuitry. Deep brain stimulation (DBS) of the midbrain locomotor region and epidural electrical stimulation of the lumbar spinal cord (EES) are being used to tap into this spared circuitry to enable locomotion in humans with spinal cord injury. While appealing, the potential synergy between DBS and EES remains unknown. Here, we report the synergistic facilitation of locomotion when DBS is combined with EES in a rat model of severe contusion spinal cord injury leading to leg paralysis. However, this synergy requires high amplitudes of DBS, which triggers forced locomotion associated with stress responses. To suppress these undesired responses, we link DBS to the intention to walk, decoded from cortical activity using a robust, rapidly calibrated unsupervised learning algorithm. This contingency amplifies the supraspinal descending command while empowering the rats into volitional walking. However, the resulting improvements may not outweigh the complex technological framework necessary to establish viable therapeutic conditions.

Therapeutic trial of hypercarbia and hypocarbia in acute experimental spinal cord injury

1984 ◽  
Vol 61 (5) ◽  
pp. 925-930 ◽  
Author(s):  
Ronald W. J. Ford ◽  
David N. Malm
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Spinal Cord Injuries ◽  
Mortality Rates ◽  
Therapeutic Trial ◽  
Tissue Preservation ◽  
Content Type ◽  
Experimental Spinal Cord Injury ◽  
Cord Injury ◽  
Fine Print

✓ Hypocarbia, normocarbia, or hypercarbia was maintained for an 8-hour period beginning 30 minutes after acute threshold spinal cord injuries in cats. No statistically significant differences in neurological recovery or histologically assessed tissue preservation were found among the three groups of animals 6 weeks after injury. No animal recovered the ability to walk. It is concluded that maintenance of hypercarbia or hypocarbia during the early postinjury period is no more therapeutic than maintenance of normocarbia. Mortality rates and tissue preservation data suggest, however, that postinjury hypocarbia may be less damaging than hypercarbia.

scholarly journals The Effect of Intraspinal Micro Stimulation With Variable Stimulating Pattern in Adult Rat With Induction of Spinal Cord Injury in the Treatment of Spinal Cord Injuries

2019 ◽  
Vol 6 (3) ◽  
pp. 83-91
Author(s):  
Mohaddeseh Hedayatzadeh ◽  
Hamid Reza Kobravi ◽  
Maryam Tehranipour
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Electrical Stimulation ◽  
Spinal Cord Injuries ◽  
Animal Movement ◽  
Specific Treatment ◽  
Male Rats ◽  
Gait Dynamics ◽  
Variable Pattern ◽  
Cord Injury

Background: Spinal cord injury is one of the diseases that, no specific treatment has yet found despite the variety of works that have done in this field. Different approaches to treat such injuries have investigated today. One of them is invasive intra-spinal interventions such as electrical stimulation. Therefore, in this study, the effect of the protocol for intra-spinal variable and fixed electrical stimulation has been investigated in order to recover from spinal cord injury. Methods: In the study, 18 Wistar male rats randomly divided into Three groups, including intraspinal electrical stimulation (IES), IES with variable pattern of stimulation (VP IES) and a sham group. Animals initially subjected to induced spinal cord injury. After one week, the animal movement was recorded on the treadmill during practice using a camera and angles of the ankle joint were measured using the Tracker software. Then, the obtained data were analyzed by nonlinear evaluations in the phase space. Results: The motion analyses and kinematic analyses were carried out on all groups. According to the achieved results, the gait dynamics of the VP IES group has the most conformity to the gait dynamics of the healthy group. Also, the best quality of the balance preservation observed in the VP IES group. Conclusion: It can be concluded that the IES with variable pattern of stimulation along with exercise therapy has significant gait restorative effects and increases the range of motion in rats with induced spinal cord injury.

scholarly journals SOME ASPECTS OF PEDIATRIC SPINAL CORD INJURY

2005 ◽  
pp. 015-019
Author(s):  
Igor Ivanovich Larkin ◽  
Valery Ivanovich Larkin
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Spinal Cord Injuries ◽  
Spinal Injury ◽  
Radiological Diagnostics ◽  
Cord Injury ◽  
Pediatric Spinal Cord Injury ◽  
Mri Changes

Objective. To analyse the possibility of diagnostics improvement in children with spinal cord injuries. Material and Methods. The observations of 147 cases of various spinal cord injuries in children at the age of 11 months to 15 years have been analyzed. Causes of trauma, age peculiarities of spinal injury manifestations, and difficulties of clinical and radiological diagnostics are discussed. Results. Most cases of spinal cord injury in children could be revealed and adequately managed at a prehospital stage. It should be noted that the spine lesion and MRI changes do not always accompany spinal cord injury in children. This observation must be taken into account while making diagnosis. Conclusion. Electromyography is an important examination confirming spinal cord injury without radiographic abnormalities (SCIWORA syndrome) in children.

scholarly journals White matter regeneration induced by aligned fibrin nanofiber hydrogel contributes to motor functional recovery in canine T12 spinal cord injury

2021 ◽  
Author(s):  
Zheng Cao ◽  
Weitao Man ◽  
Yuhui Xiong ◽  
Yi Guo ◽  
Shuhui Yang ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
White Matter ◽  
Nerve Regeneration ◽  
Spinal Cord Injuries ◽  
Diffusion Tensor ◽  
Nerve Fibers ◽  
Functional Restoration ◽  
Large Animal ◽  
Cord Injury

Abstract A hierarchically aligned fibrin hydrogel (AFG) that possesses soft stiffness and aligned nanofiber structure has been successfully proven to facilitate neuroregeneration in vitro and in vivo. However, its potential in promoting nerve regeneration in large animal models that is critical for clinical translation has not been sufficiently specified. Here, the effects of AFG on directing neuroregeneration in canine hemisected T12 spinal cord injuries were explored. Histologically obvious white matter regeneration consisting of a large area of consecutive, compact, and aligned nerve fibers is induced by AFG, leading to a significant motor functional restoration. The canines with AFG implantation start to stand well with their defective legs from 3 to 4 weeks postoperatively and even effortlessly climb the steps from 7 to 8 weeks. Moreover, high-resolution multi-shot diffusion tensor imaging illustrates the spatiotemporal dynamics of nerve regeneration rapidly crossing the lesion within 4 weeks in the AFG group. Our findings indicate that AFG could be a potential therapeutic vehicle for spinal cord injury by inducing rapid white matter regeneration and restoring locomotion, pointing out its promising prospect in clinic practice.

scholarly journals A complex case of neuro-muscular rehabilitation with favorable evolution, in a patient with incomplete tetraplegia post cervical and thoracic spinal cord injury - surgically treated, in a politraumatic context, by car accident

2020 ◽  
pp. 524-526
Author(s):  
Andreea DUMITRASCU ◽  
Ioana ANDONE ◽  
Aura SPÎNU ◽  
Carmen CHIPĂRUȘ ◽  
Cristina POPESCU ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Spinal Cord Injuries ◽  
Functional Independence ◽  
Complex Case ◽  
Urinary Catheterization ◽  
Functional Evaluation ◽  
Thoracic Spinal Cord ◽  
Cord Injury ◽  
Car Accident

Introduction: Spinal cord injuries (SCI) are major conditions that usually determine severe and permanent dysfunctions, or even important loss of basic functions, generating severe or rather permanent sequels. They can have important chronic consequences such as: tetraplegia or paraplegia.(1). Materials and Methods: This paper presents the case of a young 19-year-old patient who suffered in March 2019, a car accident (passenger) with spinal cord injury (SCI) at cervical and thoracic level in a politraumatic context, hospitalized at the Neurosurgery Clinic (NS) II of TEHBA in a severe condition, for complete AIS/Frankel A tetraplegia, with a C7 fracture, T3, T4, T5 cominutive fractures with fragments in the medullary channel, minor traumatic brain injury, multiple costal fractures, abdominal trauma and respiratory failure. When the patient became hemodynamic and respiratory stable it was decided a neuro-surgical intervention, initially at cervical level through an anterior approach, with mixed osteo-sinthesis and C7 discectomy. Because of the spine instability, thoracic surgical treatment was delayed with 11 days, when he suffers a neurosurgery for medullary decompression, drainage and stabilization of the spine. In our clinical division, the patient was admitted with an incomplete AIS/Frankel B tetraplegia and initially followed a rehabilitation nursing program and subsequently continued with a recovery therapy according to clinical stages. The patient was assessed functionally using the following scales: AIS/Frankel, modified Ashworth, Functional Independence Measure (FIM), Life Quality Assessment (QOL), FAC International Scale, Independence Assessment Scale in Daily Activities (ADL / IADL), Walking Scale for Spinal Cord Injury (WISCI). Results: The patient benefited from a complex neuro-muscular rehabilitation program, having a favorable evolution, with an increase in the evaluated scales scores – passing from AIS/Frankel B classification to a severe AIS/Frankel C stage, and thus, at the moment he is performing walking on short distances, through parallel bars, with long left leg orthosis and support from another person. It was tried a sphincter re-education, but, after urologic examination, because of the important spasticity in the lower limbs and of the urinary catheterization discomfort, it was decided that for a while the patient to remain with fixed urinary catheterization. Conclusions: Even if there is still no cure for SCI sequels, the accurate clinical-functional evaluation, the neurosurgical prompt therapeutic approach, adding complex nursing measures, personalized rehabilitative and kinetotherapy programs, in a young patient with SCI by car accident, determined neuro-locomotor improvements with an increase in patient’s quality of life.(1),(2). Keywords: spinal cord injuries, tetraplegia, traumatism, rehabilitation,

A reproducible spinal cord injury model in the cat

1983 ◽  
Vol 59 (2) ◽  
pp. 268-275 ◽  
Author(s):  
Ronald W. J. Ford
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Spinal Cord Injuries ◽  
Sharp Transition ◽  
Content Type ◽  
Spinal Cord Injury Model ◽  
Injury Model ◽  
Cord Injury ◽  
Weight Drop ◽  
Future Evaluation

✓ Allen's weight-drop method for producing experimental spinal cord injuries was improved by placing a curved stainless steel plate anterior to the spinal cord to provide a smooth, hard surface for the receipt of posterior cord impact. In addition, an electronic circuit was used to ensure that cord injury was produced by a single impact, thereby enhancing the reproducibility of the injury mechanism. Using a spinal cord injury model with these modifications, the author found that the recovery of hindlimb function and the histopathological appearance of the injured cord 6 weeks after upper lumbar injury were closely related to injury magnitude. The curve of functional recovery versus injury magnitude has a sharp transition centered at 10 gm × 15 cm, and indicates that an injury of 10 gm × 20 cm produces a “threshold” lesion suitable for the future evaluation of spinal cord treatment methods.

Traumatic Brain and Spinal Cord Injuries

2020 ◽  
Author(s):  
Geoffrey S.F. Ling ◽  
Mohit Datta
Keyword(s):  
Traumatic Brain Injury ◽  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Brain Injury ◽  
Severe Traumatic Brain Injury ◽  
Gunshot Wound ◽  
Brain Injuries ◽  
Spinal Cord Injuries ◽  
Cord Injury ◽  
Brain And Spinal Cord

Traumatic brain and spinal cord injuries are significant causes of permanent disability and death. In 2010, 823,000 traumatic brain injuries were reported in the United States alone; in fact, the actual number is likely considerably higher because mild traumatic brain injuries and concussions are underreported. The number of new traumatic spinal cord injuries has been estimated at 12,000 annually. Survival from these injuries has increased due to improvements in medical care. This review covers mild traumatic brain injury and concussion, moderate to severe traumatic brain injury, and traumatic spinal cord injury. Figures include computed tomography scans showing a frontal contusion, diffuse cerebral edema and intracranial air from a gunshot wound, a subdural hematoma, an epidural hematoma, a skull fracture with epidural hematoma, and a spinal fracture from a gunshot wound. Tables list requirements for players with concussion, key guidelines for prehospital management of moderate to severe traumatic brain injury, key guidelines for management of moderate to severe traumatic brain injury, brain herniation brain code, key clinical practice guidelines for managing cervical spine and spinal cord injury, and the American Spinal Injury Association’s neurologic classification of spinal cord injury. This review contains 6 highly rendered figures, 12 tables, and 55 references.

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